)]}' { "log": [ { "commit": "96dccab1d63cb35d3f5e75d2ef275fdbff4d5f3b", "tree": "d4baab082b2760be1bee774762c595ef389146e9", "parents": [ "10d1f9e2ccfff40665a00ea0e0a0d11e54c9cbb1" ], "author": { "name": "Randy Dunlap", "email": "randy.dunlap@oracle.com", "time": "Mon Jul 19 16:49:17 2010 -0700" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:26:35 2010 +0200" }, "message": "writeback.h: needs linux/device.h\n\ninclude/trace/events/writeback.h uses dev_name(), so it needs to\ninclude linux/device.h.\n\ninclude/trace/events/writeback.h:12: error: implicit declaration of function \u0027dev_name\u0027\n\nSigned-off-by: Randy Dunlap \u003crandy.dunlap@oracle.com\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "10d1f9e2ccfff40665a00ea0e0a0d11e54c9cbb1", "tree": "222c661376d8530a1bdf4e18cf5ff84267529bb3", "parents": [ "f10d9f617a65905c556c3b37c9b9646ae7d04ed7" ], "author": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Thu Jul 15 10:49:31 2010 -0600" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:26:33 2010 +0200" }, "message": "block: fix problem with sending down discard that isn\u0027t of correct granularity\n\nIf the queue doesn\u0027t have a limit set, or it just set UINT_MAX like\nwe default to, we coud be sending down a discard request that isn\u0027t\nof the correct granularity if the block size is \u003e 512b.\n\nFix this by adjusting max_discard_sectors down to the proper\nalignment.\n\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "f10d9f617a65905c556c3b37c9b9646ae7d04ed7", "tree": "0e1d1a28578e8c1b2115b8486add3b235f7e3619", "parents": [ "2669b19fa4debcdd6a660ace1a124c0900f113e6" ], "author": { "name": "Dave Chinner", "email": "dchinner@redhat.com", "time": "Tue Jul 13 17:50:50 2010 +1000" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:26:29 2010 +0200" }, "message": "blkdev: check for valid request queue before issuing flush\n\nIssuing a blkdev_issue_flush() on an unconfigured loop device causes a panic as\nq-\u003emake_request_fn is not configured. This can occur when trying to mount the\nunconfigured loop device as an XFS filesystem. There are no guards that catch\nthe bio before the request function is called because we don\u0027t add a payload to\nthe bio. Instead, manually check this case as soon as we have a pointer to the\nqueue to flush.\n\nSigned-off-by: Dave Chinner \u003cdchinner@redhat.com\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "2669b19fa4debcdd6a660ace1a124c0900f113e6", "tree": "a9d301e93bf3540137436c60b380d369257ffc03", "parents": [ "2daa672b1a736d41b3e7a2e3a05f1909a1f96530" ], "author": { "name": "Stephen Rothwell", "email": "sfr@canb.auug.org.au", "time": "Fri Jul 09 14:24:38 2010 +1000" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:26:29 2010 +0200" }, "message": "block: fix for block tracing build error\n\nblock/compat_ioctl.c: In function \u0027compat_blkdev_ioctl\u0027:\nblock/compat_ioctl.c:754: error: \u0027BLKTRACESETUP32\u0027 undeclared (first use in this function)\n\nSigned-off-by: Stephen Rothwell \u003csfr@canb.auug.org.au\u003e\nAcked-by: Arnd Bergmann \u003carnd@arndb.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "2daa672b1a736d41b3e7a2e3a05f1909a1f96530", "tree": "17a9b1f945307192e6cb9dec78472e39da32e727", "parents": [ "409f3499a2cfcd1e9c2857c53af7fcce069f027f" ], "author": { "name": "Arnd Bergmann", "email": "arnd@arndb.de", "time": "Thu Jul 08 14:57:03 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:26:29 2010 +0200" }, "message": "scsi/i2o: restore ioctl changes\n\nThis restores the changes from \"scsi/i2o_block: cleanup ioctl\nhandling\", which accidentally got reverted.\n\nOrigignal changelog:\n This fixes the ioctl function of the i2o_block driver, which\n has multiple problems:\n\n * The BLKI2OSRSTRAT and BLKI2OSWSTRAT commands always return\n -ENOTTY on success, where they should return 0.\n * Support for 32 bit compat is missing\n * The driver should use the .ioctl function and because\n .locked_ioctl is going away.\n\n The use of the big kernel lock remains for now, but gets\n made explictit in the ioctl function.\n\nSigned-off-by: Arnd Bergmann \u003carnd@arndb.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "409f3499a2cfcd1e9c2857c53af7fcce069f027f", "tree": "7275165954c7f1143d219f4b141888d6c0a5a4ab", "parents": [ "15392efb9d427482754f6d267262452878667499" ], "author": { "name": "Arnd Bergmann", "email": "arnd@arndb.de", "time": "Wed Jul 07 16:51:29 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:26:08 2010 +0200" }, "message": "scsi/sd: remove big kernel lock\n\nEvery user of the BKL in the sd driver is the\nresult of the pushdown from the block layer\ninto the open/close/ioctl functions.\n\nThe only place that used to rely on the BKL is\nthe sdkp-\u003eopeners variable, which gets converted\ninto an atomic_t.\n\nNothing else seems to rely on the BKL, since the\nfunctions do not touch global data without holding\nanother lock, and the open/close functions are\nstill protected from concurrent execution using\nthe bdev-\u003ebd_mutex.\n\nSigned-off-by: Arnd Bergmann \u003carnd@arndb.de\u003e\nCc: linux-scsi@vger.kernel.org\nCc: \"James E.J. Bottomley\" \u003cJames.Bottomley@suse.de\u003e\nAcked-by: Christoph Hellwig \u003chch@infradead.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "15392efb9d427482754f6d267262452878667499", "tree": "e71dd54c88454971750436f5b4e5e512b0c9368a", "parents": [ "6de43703108bb1d3fc9495b3e8107d6ec72f97e4" ], "author": { "name": "Arnd Bergmann", "email": "arnd@arndb.de", "time": "Wed Jul 07 16:51:28 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:26:08 2010 +0200" }, "message": "block: remove BKL from partition ioctls\n\nThe blkpg_ioctl and blkdev_reread_part access fields of\nthe bdev and gendisk structures, yet they always do so\nunder the protection of bdev-\u003ebd_mutex, which seems\nsufficient.\n\nSigned-off-by: Arnd Bergmann \u003carnd@arndb.de\u003e\ncked-by: Christoph Hellwig \u003chch@infradead.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "6de43703108bb1d3fc9495b3e8107d6ec72f97e4", "tree": "86a5e955f33b0478b61631d373ca01ecf1558bc6", "parents": [ "62c2a7d969f30163f733c81158254b3095b23e72" ], "author": { "name": "Arnd Bergmann", "email": "arnd@arndb.de", "time": "Wed Jul 07 16:51:27 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:26:08 2010 +0200" }, "message": "block: remove BKL from BLKROSET and BLKFLSBUF\n\nWe only call the functions set_device_ro(),\ninvalidate_bdev(), sync_filesystem() and sync_blockdev()\nwhile holding the BKL in these commands. All\nof these are also done in other code paths without\nthe BKL, which leads me to the conclusion that\nthe BKL is not needed here either.\n\nThe reason we hold it here is that it was originally\npushed down into the ioctl function from vfs_ioctl.\n\nSigned-off-by: Arnd Bergmann \u003carnd@arndb.de\u003e\nReviewed-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "62c2a7d969f30163f733c81158254b3095b23e72", "tree": "3e5dd79d874b996757814562b874a18415599a61", "parents": [ "6e9624b8caec290d28b4c6d9ec75749df6372b87" ], "author": { "name": "Arnd Bergmann", "email": "arnd@arndb.de", "time": "Wed Jul 07 16:51:26 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:26:08 2010 +0200" }, "message": "block: push BKL into blktrace ioctls\n\nThe blktrace driver currently needs the BKL, but\nwe should not need to take that in the block layer,\nso just push it down into the driver itself.\n\nIt is quite likely that the BKL is not actually\nrequired in blktrace code and could be removed\nin a follow-on patch.\n\nSigned-off-by: Arnd Bergmann \u003carnd@arndb.de\u003e\nAcked-by: Christoph Hellwig \u003chch@infradead.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "6e9624b8caec290d28b4c6d9ec75749df6372b87", "tree": "47225b544e1da82742795553dc4e8aa70c17afdc", "parents": [ "8a6cfeb6deca3a8fefd639d898b0d163c0b5d368" ], "author": { "name": "Arnd Bergmann", "email": "arnd@arndb.de", "time": "Sat Aug 07 18:25:34 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:25:34 2010 +0200" }, "message": "block: push down BKL into .open and .release\n\nThe open and release block_device_operations are currently\ncalled with the BKL held. In order to change that, we must\nfirst make sure that all drivers that currently rely\non this have no regressions.\n\nThis blindly pushes the BKL into all .open and .release\noperations for all block drivers to prepare for the\nnext step. The drivers can subsequently replace the BKL\nwith their own locks or remove it completely when it can\nbe shown that it is not needed.\n\nThe functions blkdev_get and blkdev_put are the only\nremaining users of the big kernel lock in the block\nlayer, besides a few uses in the ioctl code, none\nof which need to serialize with blkdev_{get,put}.\n\nMost of these two functions is also under the protection\nof bdev-\u003ebd_mutex, including the actual calls to\n-\u003eopen and -\u003erelease, and the common code does not\naccess any global data structures that need the BKL.\n\nSigned-off-by: Arnd Bergmann \u003carnd@arndb.de\u003e\nAcked-by: Christoph Hellwig \u003chch@infradead.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "8a6cfeb6deca3a8fefd639d898b0d163c0b5d368", "tree": "9a633ad48c3b1ada0519ee7bade0602f940037f6", "parents": [ "34484062445fe905bf02c72f87ddda21881acda3" ], "author": { "name": "Arnd Bergmann", "email": "arnd@arndb.de", "time": "Thu Jul 08 10:18:46 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:25:00 2010 +0200" }, "message": "block: push down BKL into .locked_ioctl\n\nAs a preparation for the removal of the big kernel\nlock in the block layer, this removes the BKL\nfrom the common ioctl handling code, moving it\ninto every single driver still using it.\n\nSigned-off-by: Arnd Bergmann \u003carnd@arndb.de\u003e\nAcked-by: Christoph Hellwig \u003chch@infradead.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "34484062445fe905bf02c72f87ddda21881acda3", "tree": "d1eb872d04cc06b474d299746207864f0e085bd8", "parents": [ "610a63498f7f366031a6327eaaa9963ffa110b2b" ], "author": { "name": "Arnd Bergmann", "email": "arnd@arndb.de", "time": "Wed Jul 07 16:51:23 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:31 2010 +0200" }, "message": "scsi/i2o_block: cleanup ioctl handling\n\nThis fixes the ioctl function of the i2o_block driver, which\nhas multiple problems:\n\n* The BLKI2OSRSTRAT and BLKI2OSWSTRAT commands always return\n -ENOTTY on success, where they should return 0.\n* Support for 32 bit compat is missing\n* The driver should use the .ioctl function and because\n .locked_ioctl is going away.\n\nThe use of the big kernel lock remains for now, but gets\nmade explictit in the ioctl function.\n\nSigned-off-by: Arnd Bergmann \u003carnd@arndb.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "610a63498f7f366031a6327eaaa9963ffa110b2b", "tree": "8ea7f0c9e1e2f41ee09677909a3491adeee31799", "parents": [ "9e094383b60066996fbc3b53891324e5d2ec858d" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Thu Jul 08 10:16:17 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:28 2010 +0200" }, "message": "scsi: fix discard page leak\n\nWe leak a page allocated for discard on some error conditions\n(e.g. scsi_prep_state_check returns BLKPREP_DEFER in\nscsi_setup_blk_pc_cmnd).\n\nWe unprep on requests that weren\u0027t prepped in the error path of\nscsi_init_io. It makes the error path to clean up scsi commands messy.\n\nLet\u0027s strictly apply the rule that we can\u0027t unprep on a request that\nwasn\u0027t prepped.\n\nCalling just scsi_put_command() in the error path of scsi_init_io() is\nenough. We don\u0027t set REQ_DONTPREP yet.\n\nscsi_setup_discard_cmnd can safely free a page on the error case with\nthe above rule.\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "9e094383b60066996fbc3b53891324e5d2ec858d", "tree": "a3f4af7e60781f62b52dcfddd2032c3bbf933644", "parents": [ "028c2dd184c097809986684f2f0627eea5529fea" ], "author": { "name": "Dave Chinner", "email": "dchinner@redhat.com", "time": "Wed Jul 07 13:24:08 2010 +1000" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:26 2010 +0200" }, "message": "writeback: Add tracing to write_cache_pages\n\nAdd a trace event to the -\u003ewritepage loop in write_cache_pages to give\nvisibility into how the -\u003ewritepage call is changing variables within the\nwriteback control structure. Of most interest is how wbc-\u003enr_to_write changes\nfrom call to call, especially with filesystems that write multiple pages\nin -\u003ewritepage.\n\nSigned-off-by: Dave Chinner \u003cdchinner@redhat.com\u003e\nReviewed-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "028c2dd184c097809986684f2f0627eea5529fea", "tree": "f6eb9e30a24d73597e5ce2a65b4638e9d1947504", "parents": [ "455b2864686d3591b3b2f39eb46290c95f76471f" ], "author": { "name": "Dave Chinner", "email": "dchinner@redhat.com", "time": "Wed Jul 07 13:24:07 2010 +1000" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:25 2010 +0200" }, "message": "writeback: Add tracing to balance_dirty_pages\n\nTracing high level background writeback events is good, but it doesn\u0027t\ngive the entire picture. Add visibility into write throttling to catch IO\ndispatched by foreground throttling of processing dirtying lots of pages.\n\nSigned-off-by: Dave Chinner \u003cdchinner@redhat.com\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "455b2864686d3591b3b2f39eb46290c95f76471f", "tree": "b88059e3691fc5ad4491518e9eb1f1f2ba21711a", "parents": [ "a89f5c899db3c6be4bb426e4efb72ecee29a93b5" ], "author": { "name": "Dave Chinner", "email": "david@fromorbit.com", "time": "Wed Jul 07 13:24:06 2010 +1000" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:23 2010 +0200" }, "message": "writeback: Initial tracing support\n\nTrace queue/sched/exec parts of the writeback loop. This provides\ninsight into when and why flusher threads are scheduled to run. e.g\na sync invocation leaves traces like:\n\n sync-[...]: writeback_queue: bdi 8:0: sb_dev 8:1 nr_pages\u003d7712 sync_mode\u003d0 kupdate\u003d0 range_cyclic\u003d0 background\u003d0\nflush-8:0-[...]: writeback_exec: bdi 8:0: sb_dev 8:1 nr_pages\u003d7712 sync_mode\u003d0 kupdate\u003d0 range_cyclic\u003d0 background\u003d0\n\nThis also lays the foundation for adding more writeback tracing to\nprovide deeper insight into the whole writeback path.\n\nThe original tracing code is from Jens Axboe, though this version is\na rewrite as a result of the code being traced changing\nsignificantly.\n\nSigned-off-by: Dave Chinner \u003cdchinner@redhat.com\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "a89f5c899db3c6be4bb426e4efb72ecee29a93b5", "tree": "b71bcb7885c1ff5dc2001800852b6144db640157", "parents": [ "82b6d57fb11644fe25c8a1346627ad0027673dae" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Tue Jul 06 09:03:18 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:21 2010 +0200" }, "message": "block: remove unused REQ_TYPE_LINUX_BLOCK\n\nNobody uses REQ_TYPE_LINUX_BLOCK (and its REQ_LB_OP_*).\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nAcked-by: Jeff Garzik \u003cjgarzik@redhat.com\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "82b6d57fb11644fe25c8a1346627ad0027673dae", "tree": "0270b7eb3e995f88cbe1e8626153af15a5cc05d8", "parents": [ "00fff26539bfe3fad21c164fc4002d9ede056fb0" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Sat Jul 03 08:07:04 2010 -0600" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:15 2010 +0200" }, "message": "scsi: need to reset unprep_rq_fn in sd_remove\n\nThis is for block\u0027s for-2.6.36.\n\nWe need to reset q-\u003eunprep_rq_fn in sd_remove. Otherwise we hit kernel\noops if we access to a scsi disk device via sg after removing scsi\ndisk module.\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "00fff26539bfe3fad21c164fc4002d9ede056fb0", "tree": "4909c8eed03133b1d46f689e465ed1f579b8e282", "parents": [ "afc23068103ccfbf1917eb2a007bc15ab5418cc9" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Sat Jul 03 17:45:40 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:15 2010 +0200" }, "message": "block: remove q-\u003eprepare_flush_fn completely\n\nThis removes q-\u003eprepare_flush_fn completely (changes the\nblk_queue_ordered API).\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nReviewed-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "afc23068103ccfbf1917eb2a007bc15ab5418cc9", "tree": "57a4c920f07dc9447e08912ada3d3ab2e40ef31a", "parents": [ "dd40e456a40ebb87330b7fc694359ce52f1996aa" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Sat Jul 03 17:45:39 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:15 2010 +0200" }, "message": "ide: stop using q-\u003eprepare_flush_fn\n\nuse REQ_FLUSH flag instead.\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nAcked-by: David S. Miller \u003cdavem@davemloft.net\u003e\nReviewed-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "dd40e456a40ebb87330b7fc694359ce52f1996aa", "tree": "d5d1bea7f754e54b1cc9c975652bc4dfa714991f", "parents": [ "144d6ed551ce430084489b198826c89bac5680dc" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Sat Jul 03 17:45:38 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:14 2010 +0200" }, "message": "virtio_blk: stop using q-\u003eprepare_flush_fn\n\nuse REQ_FLUSH flag instead.\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nReviewed-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "144d6ed551ce430084489b198826c89bac5680dc", "tree": "78b59ca5c4487784bfc2a16bcd91c0cb41631f8a", "parents": [ "98d8c8f40ed72d997e50bc107a5cc1a6cee19e76" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Sat Jul 03 17:45:37 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:14 2010 +0200" }, "message": "dm: stop using q-\u003eprepare_flush_fn\n\nuse REQ_FLUSH flag instead.\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nCc: Alasdair G Kergon \u003cagk@redhat.com\u003e\nReviewed-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "98d8c8f40ed72d997e50bc107a5cc1a6cee19e76", "tree": "6aa864c867157e7c3b3962ab4beb8a01e182965d", "parents": [ "7f9815f09dc201f2205981c11fadcf82a9e3cc42" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Sat Jul 03 17:45:36 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:03 2010 +0200" }, "message": "ps3disk: stop using q-\u003eprepare_flush_fn\n\nREQ_FLUSH flag enables us to kill ps3disk_prepare_flush().\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nReviewed-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "7f9815f09dc201f2205981c11fadcf82a9e3cc42", "tree": "ffc8ca31584e269a87d0ebbcac16f8b5b1b763ff", "parents": [ "90467c294aba7f911bdae72ed86995cf1de4d364" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Sat Jul 03 17:45:35 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:24:00 2010 +0200" }, "message": "osdblk: stop using q-\u003eprepare_flush_fn\n\nuse REQ_FLUSH flag instead.\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nReviewed-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "90467c294aba7f911bdae72ed86995cf1de4d364", "tree": "f1b516586b02a477d78ccc627b0c298c2be982a3", "parents": [ "b6a903151d05e3912ab66b186f74c61851efb88c" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Sat Jul 03 17:45:34 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:58 2010 +0200" }, "message": "scsi: stop using q-\u003eprepare_flush_fn\n\nscsi-ml builds flush requests via q-\u003eprepare_flush_fn(), however,\nbuilds discard requests via q-\u003eprep_rq_fn.\n\nUsing two different mechnisms for the similar requests (building\ncommands in SCSI ULD) doesn\u0027t make sense.\n\nHanding both via q-\u003eprep_rq_fn makes the code design simpler.\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nCc: James Bottomley \u003cJames.Bottomley@suse.de\u003e\nReviewed-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "b6a903151d05e3912ab66b186f74c61851efb88c", "tree": "dbf0f8d2da9aba48cac375304a9842e0166628c8", "parents": [ "8749534fe6826596b71bc409c872b047a8e2755b" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Sat Jul 03 17:45:33 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:56 2010 +0200" }, "message": "block: permit PREFLUSH and POSTFLUSH without prepare_flush_fn\n\nThis is preparation for removing q-\u003eprepare_flush_fn.\n\nTemporarily, blk_queue_ordered() permits QUEUE_ORDERED_DO_PREFLUSH and\nQUEUE_ORDERED_DO_POSTFLUSH without prepare_flush_fn.\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nReviewed-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "8749534fe6826596b71bc409c872b047a8e2755b", "tree": "29ceb928f03dfb33d3a03df1c00e4a51d22b55b3", "parents": [ "802447c1c0513a0ea0e29d6bda23b19ac0686654" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Sat Jul 03 17:45:32 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:53 2010 +0200" }, "message": "block: introduce REQ_FLUSH flag\n\nSCSI-ml needs a way to mark a request as flush request in\nq-\u003eprepare_flush_fn because it needs to identify them later (e.g. in\nq-\u003erequest_fn or prep_rq_fn).\n\nqueue_flush sets REQ_HARDBARRIER in rq-\u003ecmd_flags however the block\nlayer also sends normal REQ_TYPE_FS requests with REQ_HARDBARRIER. So\nSCSI-ml can\u0027t use REQ_HARDBARRIER to identify flush requests.\n\nWe could change the block layer to clear REQ_HARDBARRIER bit before\nsending non flush requests to the lower layers. However, intorudcing\nthe new flag looks cleaner (surely easier).\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nCc: James Bottomley \u003cJames.Bottomley@suse.de\u003e\nCc: David S. Miller \u003cdavem@davemloft.net\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nCc: Alasdair G Kergon \u003cagk@redhat.com\u003e\nReviewed-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "802447c1c0513a0ea0e29d6bda23b19ac0686654", "tree": "9504fcb73862dc97534d0300f8adb87c0c65d002", "parents": [ "f1126e950d28ff875d96ed6a04a9ff96c7bfc357" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Thu Jul 01 19:49:19 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:51 2010 +0200" }, "message": "scsi: remove unused free discard page in sd_done\n\n- sd_done isn\u0027t called for pc request so we never call the code.\n- we use sd_unprep to free discard page now.\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "f1126e950d28ff875d96ed6a04a9ff96c7bfc357", "tree": "4d7217b91a658c1c8fa31325f39b102377765f21", "parents": [ "28018c242a4ec7017bbbf81d2d3952f820a27118" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Thu Jul 01 19:49:18 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:49 2010 +0200" }, "message": "scsi: add sd_unprep_fn to free discard page\n\nThis fixes discard page leak by using q-\u003eunprep_rq_fn facility.\n\nq-\u003eunprep_rq_fn is called when all the data buffer (req-\u003ebio and\nscsi_data_buffer) in the request is freed.\n\nsd_unprep() uses rq-\u003ebuffer to free discard page allocated in\nsd_prepare_discard().\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "28018c242a4ec7017bbbf81d2d3952f820a27118", "tree": "03732bef20d0e4dad30d81d9b9ad9ffcf5a2e41c", "parents": [ "e597cd09f711b28b8466ebdc2f12e55b44fa81e4" ], "author": { "name": "James Bottomley", "email": "James.Bottomley@suse.de", "time": "Thu Jul 01 19:49:17 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:47 2010 +0200" }, "message": "block: implement an unprep function corresponding directly to prep\n\nReviewed-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\n\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "e597cd09f711b28b8466ebdc2f12e55b44fa81e4", "tree": "d5a26dfcf92e2282537fc0ab9ebf3a977129650f", "parents": [ "3ffb52e73b47d6ad86b645942ff49035efdbcd31" ], "author": { "name": "Joe Perches", "email": "joe@perches.com", "time": "Thu Jul 01 08:24:32 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:44 2010 +0200" }, "message": "drivers/cdrom: use pr_\u003clevel\u003e\n\n- add pr_fmt.\n\n- convert printks to pr_\u003clevel\u003e\n\n- add if (0) and printf argument checking to cdinfo\n\n- coalesce consecutive printks to single pr_\n\n- fix a typo \"back ground\" to \"background\"\n\n- convert printks without level to pr_info\n\n- remove VIOCD_ prefixes and use pr_fmt/pr_\u003clevel\u003e\n\n- add a missing newline to an OS/400 message\n\nSigned-off-by: Joe Perches \u003cjoe@perches.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\n\nFolded in tab indentation fix from Andrew.\n\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "3ffb52e73b47d6ad86b645942ff49035efdbcd31", "tree": "1bc8e681b7b4249c0cbb804014769b0370885c73", "parents": [ "511d37af66246c67f65e7896c230bdb81d853b6c" ], "author": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Tue Jun 29 13:33:38 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:41 2010 +0200" }, "message": "block: fixup missing conversion from BIO_RW_DISCARD to REQ_DISCARD\n\nDidn\u0027t cause a merge conflict, so fixed this one up manually\npost merge.\n\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "511d37af66246c67f65e7896c230bdb81d853b6c", "tree": "dea427439e9ee504b53d6a05af791d68f2b12bae", "parents": [ "1676effca4cd2a6b32e6e8e0ecaa91522dfda6fa" ], "author": { "name": "Randy Dunlap", "email": "randy.dunlap@oracle.com", "time": "Tue Jun 22 09:03:43 2010 -0700" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:14 2010 +0200" }, "message": "block/xd.c: fix brace typo\n\nFix extra brace typo that is causing build errors.\n\nSigned-off-by: Randy Dunlap \u003crandy.dunlap@oracle.com\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "1676effca4cd2a6b32e6e8e0ecaa91522dfda6fa", "tree": "7d570c366f6d968a74c39406052d6dd0223e4881", "parents": [ "2c8919dee659928d66cc13333d4e7a5bdd2206d5" ], "author": { "name": "Andi Kleen", "email": "andi@firstfloor.org", "time": "Mon Jun 21 11:02:48 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:12 2010 +0200" }, "message": "gcc-4.6: fs: fix unused but set warnings\n\nNo real bugs I believe, just some dead code, and some\nshut up code.\n\nSigned-off-by: Andi Kleen \u003cak@linux.intel.com\u003e\nCc: Eric Paris \u003ceparis@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "2c8919dee659928d66cc13333d4e7a5bdd2206d5", "tree": "c60a8c1208cd89b0f5bdb7fc8cdc082b4569f289", "parents": [ "66ac0280197981f88774e74b60c8e5f9f07c1dba" ], "author": { "name": "Andi Kleen", "email": "andi@firstfloor.org", "time": "Mon Jun 21 11:02:47 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:10 2010 +0200" }, "message": "gcc-4.6: block: fix unused but set variables in blk-merge\n\nJust some dead code.\n\nSigned-off-by: Andi Kleen \u003cak@linux.intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "66ac0280197981f88774e74b60c8e5f9f07c1dba", "tree": "d093ce493146779926df88b5831805c6f9ee14e1", "parents": [ "082439004b31adc146e96e5f1c574dd2b57dcd93" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Fri Jun 18 16:59:42 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:08 2010 +0200" }, "message": "block: don\u0027t allocate a payload for discard request\n\nAllocating a fixed payload for discard requests always was a horrible hack,\nand it\u0027s not coming to byte us when adding support for discard in DM/MD.\n\nSo change the code to leave the allocation of a payload to the lowlevel\ndriver. Unfortunately that means we\u0027ll need another hack, which allows\nus to update the various block layer length fields indicating that we\nhave a payload. Instead of hiding this in sd.c, which we already partially\ndo for UNMAP support add a documented helper in the core block layer for it.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nAcked-by: Mike Snitzer \u003csnitzer@redhat.com\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "082439004b31adc146e96e5f1c574dd2b57dcd93", "tree": "19ef2ccab9588c2aa77d0b09c2bae760b23ae110", "parents": [ "c1955ce32fdb0877b7a1b22feb2669358f65be76" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Sat Jun 19 23:08:22 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:06 2010 +0200" }, "message": "writeback: merge bdi_writeback_task and bdi_start_fn\n\nMove all code for the writeback thread into fs/fs-writeback.c instead of\nsplitting it over two functions in two files.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "c1955ce32fdb0877b7a1b22feb2669358f65be76", "tree": "805b4da7168b0b16de890ea248323f3cdf5dc0b7", "parents": [ "4c4762d10faf93167b84ee03e4b58dd62012b06f" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Sat Jun 19 23:08:06 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:23:03 2010 +0200" }, "message": "writeback: remove wb_list\n\nThe wb_list member of struct backing_device_info always has exactly one\nelement. Just use the direct bdi-\u003ewb pointer instead and simplify some\ncode.\n\nAlso remove bdi_task_init which is now trivial to prepare for the next\npatch.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "4c4762d10faf93167b84ee03e4b58dd62012b06f", "tree": "5819c7acb3e457885e77edf124196e62b09fd387", "parents": [ "15fa6e81650a167f82dc0d478f290f1cffa9183d" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Sat Jun 19 17:26:47 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:22:29 2010 +0200" }, "message": "block: fix some more cmd_type cleanup fallout\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "15fa6e81650a167f82dc0d478f290f1cffa9183d", "tree": "3f7c13c2bd7f8b330c9820641dd253f23c89ef07", "parents": [ "7b6d91daee5cac6402186ff224c3af39d79f4a0e" ], "author": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Fri Jun 18 12:10:18 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:22:26 2010 +0200" }, "message": "virtio_blk: add default case to cmd type switch\n\nOn compilation, gcc correctly detects that we do not handle\nall types:\n\nIn function ‘blk_done’:\nwarning: enumeration value ‘REQ_TYPE_FS’ not handled in switch\nwarning: enumeration value ‘REQ_TYPE_SENSE’ not handled in switch\nwarning: enumeration value ‘REQ_TYPE_PM_SUSPEND’ not handled in switch\nwarning: enumeration value ‘REQ_TYPE_PM_RESUME’ not handled in switch\nwarning: enumeration value ‘REQ_TYPE_PM_SHUTDOWN’ not handled in switch\nwarning: enumeration value ‘REQ_TYPE_LINUX_BLOCK’ not handled in switch\nwarning: enumeration value ‘REQ_TYPE_ATA_TASKFILE’ not handled in switch\nwarning: enumeration value ‘REQ_TYPE_ATA_PC’ not handled in switch\n\nwhich is a bit pointless since this is at the end of the request\nprocessessing. Add a default case that just breaks out.\n\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "7b6d91daee5cac6402186ff224c3af39d79f4a0e", "tree": "b1518cf0b6c301178e0a320f80610cd5b3aa7625", "parents": [ "33659ebbae262228eef4e0fe990f393d1f0ed941" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Sat Aug 07 18:20:39 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:20:39 2010 +0200" }, "message": "block: unify flags for struct bio and struct request\n\nRemove the current bio flags and reuse the request flags for the bio, too.\nThis allows to more easily trace the type of I/O from the filesystem\ndown to the block driver. There were two flags in the bio that were\nmissing in the requests: BIO_RW_UNPLUG and BIO_RW_AHEAD. Also I\u0027ve\nrenamed two request flags that had a superflous RW in them.\n\nNote that the flags are in bio.h despite having the REQ_ name - as\nblkdev.h includes bio.h that is the only way to go for now.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "33659ebbae262228eef4e0fe990f393d1f0ed941", "tree": "fcb537f09359c8dad3a6f6e16dc4319562dc42cc", "parents": [ "7e005f79791dcd58436c88ded4a7f5aed1b82147" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Sat Aug 07 18:17:56 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:17:56 2010 +0200" }, "message": "block: remove wrappers for request type/flags\n\nRemove all the trivial wrappers for the cmd_type and cmd_flags fields in\nstruct requests. This allows much easier grepping for different request\ntypes instead of unwinding through macros.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "7e005f79791dcd58436c88ded4a7f5aed1b82147", "tree": "3dfed83c36d9627ceffdedd783d1d02dadb7d436", "parents": [ "bfe172310e58225f0d07f9354b683abacbd6a0d8" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Mon May 31 15:59:04 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:50 2010 +0200" }, "message": "remove needless ISA_DMA_THRESHOLD\n\nArchitectures don\u0027t need to define ISA_DMA_THRESHOLD anymore.\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nAcked-by: James Bottomley \u003cJames.Bottomley@suse.de\u003e\nAcked-by: David Howells \u003cdhowells@redhat.com\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "bfe172310e58225f0d07f9354b683abacbd6a0d8", "tree": "6f50393419bd29dabb27316e6875bc5715816789", "parents": [ "b375a612ad931264b71cf162d692b4420f2578a9" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Mon May 31 15:59:03 2010 +0900" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:49 2010 +0200" }, "message": "block: kill ISA_DMA_THRESHOLD usage\n\nblock uses ISA_DMA_THRESHOLD for BLK_BOUNCE_ISA. Only SCSI uses\nISA_DMA_THRESHOLD for ancient drivers with non-zero\nunchecked_isa_dma. Nowadays drivers (and subsystems) use dma_mask\nproperly instead of ISA_DMA_THRESHOLD.\n\nDocumentation/scsi/scsi_mid_low_api.txt says:\n\nunchecked_isa_dma - 1\u003d\u003eonly use bottom 16 MB of ram (ISA DMA addressing\n restriction), 0\u003d\u003ecan use full 32 bit (or better) DMA\n address space\n\nSo block simply uses DMA_BIT_MASK(24) for BLK_BOUNCE_ISA for SCSI.\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nAcked-by: James Bottomley \u003cJames.Bottomley@suse.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "b375a612ad931264b71cf162d692b4420f2578a9", "tree": "9d83cab7da3a9088f83c70078bb59d15bd096370", "parents": [ "41f2df62894bfcd3bf868af916b32b90aa7168dc" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Thu Jun 17 14:58:21 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:46 2010 +0200" }, "message": "aha1532: remove ISA_DMA_THRESHOLD usage\n\nWe can safely remove ISA_DMA_THRESHOLD usage in aha1542. aha1542 uses\nISA_DMA_THRESHOLD to see if:\n\n- the buffers in scatter/list are below 16MB.\n- scsi_host is below 16MB.\n\nBoth checkings were added in the ancient times but aren\u0027t necessary\nnowadays since we properly bounce the buffers and allocate scsi_host\nbelow 16MB with non-zero unchecked_isa_dma.\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nAcked-by: James Bottomley \u003cJames.Bottomley@suse.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "41f2df62894bfcd3bf868af916b32b90aa7168dc", "tree": "b582399975cd1cf19aa8b6e67623f252b7cada85", "parents": [ "01b6b67edabe864391163dc6405e2cb454f108db" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Thu Jun 17 08:54:16 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:44 2010 +0200" }, "message": "block: BARRIER request should imply SYNC\n\nA barrier request should by defintion have priority in get_request\nand let the queue be unplugged immediately as it\u0027s blocking all forward\nprogress due to the queue draining.\n\nMost filesystems already get this implicitly by the way how submit_bh\ntreats the buffer_ordered flag, and gfs2 sets it explicitly. But btrfs\nand XFS are still forgetting to set the flag, as is blkdev_issue_flush\nand some places in DM/MD.\n\nFor XFS on metadata heavy workloads this gives a consistent speedup\nin the 2-3% range.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "01b6b67edabe864391163dc6405e2cb454f108db", "tree": "0becf9407f37302cb86ffd5021eae684d5841873", "parents": [ "b862f26fe17df273167bd47df79e8742a1bf101c" ], "author": { "name": "Stephen Hemminger", "email": "shemminger@vyatta.com", "time": "Tue Jun 15 13:21:11 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:43 2010 +0200" }, "message": "floppy: use warning macros\n\nConvert assertions to use WARN(). There are several error checks in the\ncode for things that should never happen. Convert them to standard\nwarnings so kerneloops.org will see them.\n\nSigned-off-by: Stephen Hemminger \u003cshemminger@vyatta.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "b862f26fe17df273167bd47df79e8742a1bf101c", "tree": "7bd31baa632893b980cab3f28b04ced0b5b5079b", "parents": [ "21af5448042a0962fb1df13a310bb363a8f6a8dc" ], "author": { "name": "Stephen Hemminger", "email": "shemminger@vyatta.com", "time": "Tue Jun 15 13:21:11 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:41 2010 +0200" }, "message": "floppy: use wait_event_interruptible\n\nConvert wait loops to use wait_event_ macros.\n\nSigned-off-by: Stephen Hemminger \u003cshemminger@vyatta.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "21af5448042a0962fb1df13a310bb363a8f6a8dc", "tree": "d2ede4a567ef627c4923294949cbcb36ef02504d", "parents": [ "be1c0fbfb4e84d0b02903cbc6358124586605a1b" ], "author": { "name": "Stephen Hemminger", "email": "shemminger@vyatta.com", "time": "Tue Jun 15 13:21:11 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:39 2010 +0200" }, "message": "floppy: fix signed/unsigned warnings\n\nIoctl cmd value is unsigned, so change normalize_ioctl\n\nSigned-off-by: Stephen Hemminger \u003cshemminger@vyatta.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "be1c0fbfb4e84d0b02903cbc6358124586605a1b", "tree": "3a69ace0dcb3d10dec513c508a27a31820fd282b", "parents": [ "575cfc673e0f2e6f71ccc01bb77d7ec811054048" ], "author": { "name": "Stephen Hemminger", "email": "shemminger@vyatta.com", "time": "Tue Jun 15 13:21:11 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:37 2010 +0200" }, "message": "floppy: cmos attribute should be static\n\nAs reported by sparse, cmos attribute is local.\n\nSigned-off-by: Stephen Hemminger \u003cshemminger@vyatta.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "575cfc673e0f2e6f71ccc01bb77d7ec811054048", "tree": "696bdbfec6870511493962c7786506e5c61e2948", "parents": [ "41a55b4de396f675485a3f3cb3e1b117316e9ce9" ], "author": { "name": "Stephen Hemminger", "email": "shemminger@vyatta.com", "time": "Tue Jun 15 13:21:11 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:36 2010 +0200" }, "message": "floppy: use atomic type for usage_count\n\nThe usage_count was being protected by a lock which was only there to\ncreate an atomic counter.\n\nSigned-off-by: Stephen Hemminger \u003cshemminger@vyatta.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "41a55b4de396f675485a3f3cb3e1b117316e9ce9", "tree": "94fbff89dc6a74159cf62b1d6b66e44f241c6c3f", "parents": [ "be7a12bb1a7dc185d5143e3ae434f8a855f66a31" ], "author": { "name": "Stephen Hemminger", "email": "shemminger@vyatta.com", "time": "Tue Jun 15 13:21:11 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:34 2010 +0200" }, "message": "floppy: silence warning during disk test\n\nThe first thing the floppy does is read block 0 to test geometry and to\ntest for disk presence. If disk is not present this causes a console\nwarning message about failed I/O. Set flag to silence.\n\nSigned-off-by: Stephen Hemminger \u003cshemminger@vyatta.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "be7a12bb1a7dc185d5143e3ae434f8a855f66a31", "tree": "55dfe676befac46dad8f5c49157661ee48794733", "parents": [ "285203c8ff541a775f27148c06c58b96822d8b68" ], "author": { "name": "Stephen Hemminger", "email": "shemminger@vyatta.com", "time": "Tue Jun 15 13:21:11 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:32 2010 +0200" }, "message": "floppy: remove unnecessary inlines\n\nThese routines are all big enough that is better to let the compiler\ndecide to inline or not.\n\nSigned-off-by: Stephen Hemminger \u003cshemminger@vyatta.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "285203c8ff541a775f27148c06c58b96822d8b68", "tree": "06bfac235ddab9e977f07d82ada65303c1ca69e0", "parents": [ "f3bcb14332a5881c88f8cd16ed59f3fd0ae26e12" ], "author": { "name": "Stephen Hemminger", "email": "shemminger@vyatta.com", "time": "Tue Jun 15 13:21:11 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:30 2010 +0200" }, "message": "floppy: initialize debug jiffies offset\n\nSet debug jiffies offset at initialization. Avoids wierd values showing\nup if debugging enabled.\n\nSigned-off-by: Stephen Hemminger \u003cshemminger@vyatta.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "f3bcb14332a5881c88f8cd16ed59f3fd0ae26e12", "tree": "4b9da62a92bd9d175d08d744f60894ba0d2f88de", "parents": [ "b0dd5cad3a3297415f8205135d37f22da12b9083" ], "author": { "name": "Mike Miller", "email": "mike.miller@hp.com", "time": "Fri Jun 11 13:13:36 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:29 2010 +0200" }, "message": "cciss: change pad value from 32 to 0\n\nChange the command padding on 32-bit systems to 0 since setting it to 32\nhas the identical effect.\n\nSigned-off-by: Mike Miller \u003cmike.miller@hp.com\u003e\nCc: Stephen M. Cameron \u003cscameron@beardog.cce.hp.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "b0dd5cad3a3297415f8205135d37f22da12b9083", "tree": "df42eba20a20d0d559e977785789815eac3548c1", "parents": [ "29979a71227c46b2ed970b9d603d529c718e5fc8" ], "author": { "name": "Mike Miller", "email": "mike.miller@hp.com", "time": "Fri Jun 11 13:13:36 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:27 2010 +0200" }, "message": "cciss: remove errant debug code\n\nRemove a debug statement left behind by accident Ths debug statement got\nleft behind. It was commented out after use but not deleted.\n\nSigned-off-by: Mike Miller \u003cmike.miller@hp.com\u003e\nCc: Stephen M. Cameron \u003cscameron@beardog.cce.hp.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "29979a71227c46b2ed970b9d603d529c718e5fc8", "tree": "645d790dfb28a2a53a198a778ec1b41509cf73f0", "parents": [ "b14aa6dcd083ad00fb416a93f76131734e6c3c17" ], "author": { "name": "Mike Miller", "email": "mike.miller@hp.com", "time": "Fri Jun 11 13:13:35 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:25 2010 +0200" }, "message": "cciss: move next_command function from ifdef\n\nThe definition of next_command also ended up in wrong place It ended up\ninside an \"#ifdef CONFIG_PROCFS\". Already caught by Randy Dunlap and a\ncouple others. Tried to put it somewhere that made sense.\n\nSigned-off-by: Mike Miller \u003cmike.miller@hp.com\u003e\nCc: Stephen M. Cameron \u003cscameron@beardog.cce.hp.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "b14aa6dcd083ad00fb416a93f76131734e6c3c17", "tree": "3f6a103e7d20358f14c7bda51569958b0914f0ca", "parents": [ "256aea3fd3b5c43e8d05ce66eaf43def83773612" ], "author": { "name": "Mike Miller", "email": "mike.miller@hp.com", "time": "Fri Jun 11 13:13:35 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:23 2010 +0200" }, "message": "cciss: fix call to put_controller_in_performant_mode\n\ncall to put_controller_in_performant_mode was in the wrong place\nThe call inadvertently ended up in an error path.\n\nSigned-off-by: Mike Miller \u003cmike.miller@hp.com\u003e\nCc: Stephen M. Cameron \u003cscameron@beardog.cce.hp.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "256aea3fd3b5c43e8d05ce66eaf43def83773612", "tree": "40d14e55b8e1410bda9f566b77c30d0a923dc8f3", "parents": [ "956bcb7c1a9a73c6d5db66e83f32c785d06dc8fc" ], "author": { "name": "Mike Miller", "email": "mike.miller@hp.com", "time": "Fri Jun 11 13:13:14 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:15:21 2010 +0200" }, "message": "cciss: make sure we request the performant mode irq\n\nMake sure we register the performant mode interrupt Another blunder.\nSeemed to work because the call to put_controller_into_performant_mode was\nnever called.\n\nSigned-off-by: Mike Miller \u003cmike.miller@hp.com\u003e\nCc: Stephen M. Cameron \u003cscameron@beardog.cce.hp.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "956bcb7c1a9a73c6d5db66e83f32c785d06dc8fc", "tree": "dca3c08c3bff512c9d47a78c6762b006e165cc5d", "parents": [ "e2e1a148bc45855816ae6b4692ce29d0020fa22e" ], "author": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:13:50 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:13:50 2010 +0200" }, "message": "block: add helpers for the trivial queue flag sysfs show/store entries\n\nThe code for nonrot, random, and io stats are completely identical.\n\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "e2e1a148bc45855816ae6b4692ce29d0020fa22e", "tree": "fd5ec8a580d4333b471acfe50f6f92b4cc880087", "parents": [ "841fdffdd382722d33579a6aa1487e8a4e526dbd" ], "author": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Wed Jun 09 10:42:09 2010 +0200" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:13:00 2010 +0200" }, "message": "block: add sysfs knob for turning off disk entropy contributions\n\nThere are two reasons for doing this:\n\n- On SSD disks, the completion times aren\u0027t as random as they\n are for rotational drives. So it\u0027s questionable whether they\n should contribute to the random pool in the first place.\n\n- Calling add_disk_randomness() has a lot of overhead.\n\nThis adds /sys/block/\u003cdev\u003e/queue/add_random that will allow you to\nswitch off on a per-device basis. The default setting is on, so there\nshould be no functional changes from this patch.\n\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "841fdffdd382722d33579a6aa1487e8a4e526dbd", "tree": "a1ec6ce429b34b78a9c2b22adc2b732eb1a3c317", "parents": [ "5e216153c34ac21781110795284a784037f808e3" ], "author": { "name": "Mike Miller", "email": "mike.miller@hp.com", "time": "Wed Jun 02 12:58:09 2010 -0700" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:12:51 2010 +0200" }, "message": "cciss: new controller support and bump driver version\n\nAdd support for new controllers due out next year. HP must continue to\nsupport new controllers in older distros. All vendors require support be\nupstream. These controllers support only 16 commands in simple mode but\ncan support up to 1024 in performant mode. See patch 5/6/ We have no\nmarketing names yet.\n\nSigned-off-by: Mike Miller \u003cmike.miller@hp.com\u003e\nCc: Stephen M. Cameron \u003cscameron@beardog.cce.hp.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "5e216153c34ac21781110795284a784037f808e3", "tree": "b42ceb1e884bdb397283ddb01562fe03d1f95cad", "parents": [ "1d1414419f034702bf587accdf2a9ac53245e000" ], "author": { "name": "Mike Miller", "email": "mike.miller@hp.com", "time": "Wed Jun 02 12:58:06 2010 -0700" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:12:51 2010 +0200" }, "message": "cciss: add performant mode support for Stars/Sirius\n\nAdd a mode of controller operation called Performant Mode. Even though\ncciss has been deprecated in favor of hpsa there are new controllers due\nout next year that HP must support in older vendor distros. Vendors\nrequire all fixes/features be upstream. These new controllers support\nonly 16 commands in simple mode but support up to 1024 in performant mode.\nThis requires us to add this support at this late date.\n\nThe performant mode transport minimizes host PCI accesses by performinf\nmany completions per read. PCI writes are posted so the host can write\nthen immediately get off the bus not waiting for the writwe to complete to\nthe target. In the context of performant mode the host read out to a\ncontroller pulls all posted writes into host memory ensuring the reply\nqueue is coherent.\n\nSigned-off-by: Mike Miller \u003cmike.miller@hp.com\u003e\nCc: Stephen M. Cameron \u003cscameron@beardog.cce.hp.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "1d1414419f034702bf587accdf2a9ac53245e000", "tree": "c3a5b466c35118b3fff4ab1a981f15e471393605", "parents": [ "2cf3af1c9ec26f8db3f386e48f9d979ad8bb3eff" ], "author": { "name": "Mike Miller", "email": "mike.miller@hp.com", "time": "Wed Jun 02 12:58:04 2010 -0700" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:12:51 2010 +0200" }, "message": "cciss: make interrupt access methods return type bool\n\nChange the return type of our interrupt access routines to bool from\nunsigned long. It makes more sense that way.\n\nSigned-off-by: Mike Miller \u003cmike.miller@hp.com\u003e\nCc: Stephen M. Cameron \u003cscameron@beardog.cce.hp.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "2cf3af1c9ec26f8db3f386e48f9d979ad8bb3eff", "tree": "f5a315a693777164760fd25c1c8702017efc3e03", "parents": [ "0c2b39087c900bdb240b50ac95ee9da00d844565" ], "author": { "name": "Mike Miller", "email": "mike.miller@hp.com", "time": "Wed Jun 02 12:58:02 2010 -0700" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:12:35 2010 +0200" }, "message": "cciss: check for msi in interrupt_not_for_us\n\nCheck to see if h-\u003emsi[x]_vector is set. We need this for a following\npatch. Without this check we process one interrupt then stop because in\nmsi[x] mode the interrupt pending bit is not set. Not sure why we didn\u0027t\nencounter this before.\n\nSigned-off-by: Mike Miller \u003cmike.miller@hp.com\u003e\nCc: Stephen M. Cameron \u003cscameron@beardog.cce.hp.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "0c2b39087c900bdb240b50ac95ee9da00d844565", "tree": "8762af580586072ef0a9124f5d0c88afaf00fa27", "parents": [ "664a717d3ac5871efc1fd3bb5a32c552dc339d3f" ], "author": { "name": "Mike Miller", "email": "mike.miller@hp.com", "time": "Wed Jun 02 12:58:00 2010 -0700" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:12:33 2010 +0200" }, "message": "cciss: clean up interrupt handler\n\nSimplify the interrupt handler code to more closely match hpsa and to\nhopefully make it easier to follow.\n\nSigned-off-by: Mike Miller \u003cmike.miller@hp.com\u003e\nCc: Stephen M. Cameron \u003cscameron@beardog.cce.hp.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "664a717d3ac5871efc1fd3bb5a32c552dc339d3f", "tree": "ffe4d3537dccd8aaf2662002ec50b2b297ae604e", "parents": [ "9fe6206f400646a2322096b56c59891d530e8d51" ], "author": { "name": "Mike Miller", "email": "mike.miller@hp.com", "time": "Wed Jun 02 12:57:58 2010 -0700" }, "committer": { "name": "Jens Axboe", "email": "jaxboe@fusionio.com", "time": "Sat Aug 07 18:12:32 2010 +0200" }, "message": "cciss: enqueue and submit io\n\nClean up some code where we subit our io. The same 5 lines appeared\nseveral times. Also helps for a following patch.\n\nSigned-off-by: Mike Miller \u003cmike.miller@hp.com\u003e\nCc: Stephen M. Cameron \u003cscameron@beardog.cce.hp.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n" }, { "commit": "9fe6206f400646a2322096b56c59891d530e8d51", "tree": "d5705a3afd855a498328bd2dfd7a5a9140a51e6f", "parents": [ "77a63f3d1e0a3e7ede8d10f569e8481b13ff47c5" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun Aug 01 15:11:14 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun Aug 01 15:11:14 2010 -0700" }, "message": "Linux 2.6.35\n" }, { "commit": "77a63f3d1e0a3e7ede8d10f569e8481b13ff47c5", "tree": "f08c0c2dab44348919ec296254c3cc39d34e9f85", "parents": [ "a63ecd835f075b21d7d5cef9580447f5fbb36263" ], "author": { "name": "Trond Myklebust", "email": "Trond.Myklebust@netapp.com", "time": "Sun Aug 01 13:40:40 2010 -0400" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun Aug 01 15:10:01 2010 -0700" }, "message": "NFS: Fix a typo in include/linux/nfs_fs.h\n\nnfs_commit_inode() needs to be defined irrespectively of whether or not\nwe are supporting NFSv3 and NFSv4.\n\nAllow the compiler to optimise away code in the NFSv2-only case by\nconverting it into an inlined stub function.\n\nReported-and-tested-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "a63ecd835f075b21d7d5cef9580447f5fbb36263", "tree": "952d222271e5aed0c500d3d31b39336f13db2943", "parents": [ "fc71ff8a6c187ecc1ba79ee5688668af97a970fc", "e76df4d33973bd9b963d0cce05749b090cc14936" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jul 30 19:02:51 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jul 30 19:02:51 2010 -0700" }, "message": "Merge master.kernel.org:/home/rmk/linux-2.6-arm\n\n* master.kernel.org:/home/rmk/linux-2.6-arm:\n cyber2000fb: fix console in truecolor modes\n cyber2000fb: fix machine hang on module load\n SA1111: Eliminate use after free\n ARM: Fix Versatile/Realview/VExpress MMC card detection sense\n ARM: 6279/1: highmem: fix SMP preemption bug in kmap_high_l1_vipt\n ARM: Add barriers to io{read,write}{8,16,32} accessors as well\n ARM: 6273/1: Add barriers to the I/O accessors if ARM_DMA_MEM_BUFFERABLE\n ARM: 6272/1: Convert L2x0 to use the IO relaxed operations\n ARM: 6271/1: Introduce *_relaxed() I/O accessors\n ARM: 6275/1: ux500: don\u0027t use writeb() in uncompress.h\n ARM: 6270/1: clean files in arch/arm/boot/compressed/\n ARM: Fix csum_partial_copy_from_user()\n" }, { "commit": "fc71ff8a6c187ecc1ba79ee5688668af97a970fc", "tree": "50fff02480afe0e7d233e62bb9f42965308d7ffc", "parents": [ "1cf66e16160653b4ac92e3ada57fc0bc48798145", "cfb506e1d330387dfaf334dd493b3773d388863d" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jul 30 19:02:21 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jul 30 19:02:21 2010 -0700" }, "message": "Merge branch \u0027bugfixes\u0027 of git://git.linux-nfs.org/projects/trondmy/nfs-2.6\n\n* \u0027bugfixes\u0027 of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:\n NFS: Ensure that writepage respects the nonblock flag\n NFS: kswapd must not block in nfs_release_page\n nfs: include space for the NUL in root path\n" }, { "commit": "1cf66e16160653b4ac92e3ada57fc0bc48798145", "tree": "ad6b4bac80f4caf9edc1cddb12f273af99615b1e", "parents": [ "de51257aa301652876ab6e8f13ea4eadbe4a3846", "a4967de6cbb260ad0f6612a1d2035e119ef1578f" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jul 30 19:01:11 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jul 30 19:01:11 2010 -0700" }, "message": "Merge branch \u0027drm-fixes\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6\n\n* \u0027drm-fixes\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:\n drm/edid: Fix the HDTV hack sync adjustment\n drm/radeon/kms: fix radeon mid power profile reporting\n" }, { "commit": "de51257aa301652876ab6e8f13ea4eadbe4a3846", "tree": "388ee39bed1d7e362438d047b57399a28e2617f8", "parents": [ "51c20fcced5badee0e2021c6c89f44aa3cbd72aa" ], "author": { "name": "Hugh Dickins", "email": "hughd@google.com", "time": "Fri Jul 30 10:58:26 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jul 30 18:56:09 2010 -0700" }, "message": "mm: fix ia64 crash when gcore reads gate area\n\nDebian\u0027s ia64 autobuilders have been seeing kernel freeze or reboot\nwhen running the gdb testsuite (Debian bug 588574): dannf bisected to\n2.6.32 62eede62dafb4a6633eae7ffbeb34c60dba5e7b1 \"mm: ZERO_PAGE without\nPTE_SPECIAL\"; and reproduced it with gdb\u0027s gcore on a simple target.\n\nI\u0027d missed updating the gate_vma handling in __get_user_pages(): that\nhappens to use vm_normal_page() (nowadays failing on the zero page),\nyet reported success even when it failed to get a page - boom when\naccess_process_vm() tried to copy that to its intermediate buffer.\n\nFix this, resisting cleanups: in particular, leave it for now reporting\nsuccess when not asked to get any pages - very probably safe to change,\nbut let\u0027s not risk it without testing exposure.\n\nWhy did ia64 crash with 16kB pages, but succeed with 64kB pages?\nBecause setup_gate() pads each 64kB of its gate area with zero pages.\n\nReported-by: Andreas Barth \u003caba@not.so.argh.org\u003e\nBisected-by: dann frazier \u003cdannf@debian.org\u003e\nSigned-off-by: Hugh Dickins \u003chughd@google.com\u003e\nTested-by: dann frazier \u003cdannf@dannf.org\u003e\nCc: stable@kernel.org\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "51c20fcced5badee0e2021c6c89f44aa3cbd72aa", "tree": "f885ebf3c2a71cb4475d45466636cd20750bb450", "parents": [ "a2dccdb2055abeb8a7ce8e45e5f83de9c980a00c" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Fri Jul 30 15:25:19 2010 +0100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jul 30 18:56:09 2010 -0700" }, "message": "CIFS: Remove __exit mark from cifs_exit_dns_resolver()\n\nRemove the __exit mark from cifs_exit_dns_resolver() as it\u0027s called by the\nmodule init routine in case of error, and so may have been discarded during\nlinkage.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Jeff Layton \u003cjlayton@redhat.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "e76df4d33973bd9b963d0cce05749b090cc14936", "tree": "f36fb45132f66f44a52446d9113fcbcdcfd57c05", "parents": [ "00b4703f03ce04bd7f2f912fd05a243096ab826f" ], "author": { "name": "Ondrej Zary", "email": "linux@rainbow-software.org", "time": "Thu Jul 29 22:40:54 2010 +0200" }, "committer": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Fri Jul 30 23:29:33 2010 +0100" }, "message": "cyber2000fb: fix console in truecolor modes\n\nReturn value was not set to 0 in setcolreg() with truecolor modes. This causes\nfb_set_cmap() to abort after first color, resulting in blank palette - and\nblank console in 24bpp and 32bpp modes.\n\nSigned-off-by: Ondrej Zary \u003clinux@rainbow-software.org\u003e\nSigned-off-by: Russell King \u003crmk+kernel@arm.linux.org.uk\u003e\n" }, { "commit": "00b4703f03ce04bd7f2f912fd05a243096ab826f", "tree": "de937808326366a5552ee92a3417f08380aa7776", "parents": [ "f2d2420bbf4bb125ea5f2e1573d4da6b668fc78a" ], "author": { "name": "Ondrej Zary", "email": "linux@rainbow-software.org", "time": "Thu Jul 29 22:32:20 2010 +0200" }, "committer": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Fri Jul 30 23:29:33 2010 +0100" }, "message": "cyber2000fb: fix machine hang on module load\n\nI was testing two CyberPro 2000 based PCI cards on x86 and the machine always\nhanged completely when the cyber2000fb module was loaded. It seems that the\ncard hangs when some registers are accessed too quickly after writing RAMDAC\ncontrol register. With this patch, both card work.\n\nAdd delay after RAMDAC control register write to prevent hangs on module load.\n\nSigned-off-by: Ondrej Zary \u003clinux@rainbow-software.org\u003e\nSigned-off-by: Russell King \u003crmk+kernel@arm.linux.org.uk\u003e\n" }, { "commit": "f2d2420bbf4bb125ea5f2e1573d4da6b668fc78a", "tree": "b6a074ce9a14e7fc1f99641bb3e47b83417f34eb", "parents": [ "74bc80931c8bc34d24545f992a35349ad548897c" ], "author": { "name": "Julia Lawall", "email": "julia@diku.dk", "time": "Fri Jul 30 17:17:28 2010 +0200" }, "committer": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Fri Jul 30 23:19:30 2010 +0100" }, "message": "SA1111: Eliminate use after free\n\n__sa1111_remove always frees its argument, so the subsequent reference to\nsachip-\u003esaved_state represents a use after free. __sa1111_remove does not\nappear to use the saved_state field, so the patch simply frees it first.\n\nA simplified version of the semantic patch that finds this problem is as\nfollows: (http://coccinelle.lip6.fr/)\n\n// \u003csmpl\u003e\n@@\nexpression E,E2;\n@@\n\n__sa1111_remove(E)\n...\n(\n E \u003d E2\n|\n* E\n)\n// \u003c/smpl\u003e\n\nSigned-off-by: Julia Lawall \u003cjulia@diku.dk\u003e\nSigned-off-by: Russell King \u003crmk+kernel@arm.linux.org.uk\u003e\n" }, { "commit": "74bc80931c8bc34d24545f992a35349ad548897c", "tree": "402cb830059e78812ba32d3aa9245cc82c3a8ca3", "parents": [ "831e8047eb2af310184a9d4d9e749f3de119ae39" ], "author": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Thu Jul 29 15:58:59 2010 +0100" }, "committer": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Fri Jul 30 23:16:32 2010 +0100" }, "message": "ARM: Fix Versatile/Realview/VExpress MMC card detection sense\n\nThe MMC card detection sense has become really confused with negations\nat various levels, leading to some platforms not detecting inserted\ncards. Fix this by converting everything to positive logic throughout,\nthereby getting rid of these negations.\n\nSigned-off-by: Russell King \u003crmk+kernel@arm.linux.org.uk\u003e\n" }, { "commit": "831e8047eb2af310184a9d4d9e749f3de119ae39", "tree": "f9fd2e3982796a50e2d2b9374c80ba0c1c4204bb", "parents": [ "b92b3612134faff171981fad4f0adb33f485e02e" ], "author": { "name": "Gary King", "email": "gking@nvidia.com", "time": "Thu Jul 29 17:37:20 2010 +0100" }, "committer": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Fri Jul 30 23:16:07 2010 +0100" }, "message": "ARM: 6279/1: highmem: fix SMP preemption bug in kmap_high_l1_vipt\n\nsmp_processor_id() must not be called from a preemptible context (this\nis checked by CONFIG_DEBUG_PREEMPT). kmap_high_l1_vipt() was doing so.\nThis lead to a problem where the wrong per_cpu kmap_high_l1_vipt_depth\ncould be incremented, causing a BUG_ON(*depth \u003c\u003d 0); in\nkunmap_high_l1_vipt().\n\nThe solution is to move the call to smp_processor_id() after the call\nto preempt_disable().\n\nOriginally by: Andrew Howe \u003cahowe@nvidia.com\u003e\n\nSigned-off-by: Gary King \u003cgking@nvidia.com\u003e\nAcked-by: Nicolas Pitre \u003cnico.as.pitre@linaro.org\u003e\nSigned-off-by: Russell King \u003crmk+kernel@arm.linux.org.uk\u003e\n" }, { "commit": "cfb506e1d330387dfaf334dd493b3773d388863d", "tree": "4c376c8ff15082553f8f0f64a65dfe573072f7c7", "parents": [ "b608b283a962caaa280756bc8563016a71712acf" ], "author": { "name": "Trond Myklebust", "email": "Trond.Myklebust@netapp.com", "time": "Fri Jul 30 15:31:57 2010 -0400" }, "committer": { "name": "Trond Myklebust", "email": "Trond.Myklebust@netapp.com", "time": "Fri Jul 30 15:38:56 2010 -0400" }, "message": "NFS: Ensure that writepage respects the nonblock flag\n\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n" }, { "commit": "b608b283a962caaa280756bc8563016a71712acf", "tree": "217a745ab305219fab676d4a215c1a709004bd57", "parents": [ "674b2222920012244ca59978b356b25412a8dcc7" ], "author": { "name": "Trond Myklebust", "email": "Trond.Myklebust@netapp.com", "time": "Fri Jul 30 15:31:54 2010 -0400" }, "committer": { "name": "Trond Myklebust", "email": "Trond.Myklebust@netapp.com", "time": "Fri Jul 30 15:38:42 2010 -0400" }, "message": "NFS: kswapd must not block in nfs_release_page\n\nSee https://bugzilla.kernel.org/show_bug.cgi?id\u003d16056\n\nIf other processes are blocked waiting for kswapd to free up some memory so\nthat they can make progress, then we cannot allow kswapd to block on those\nprocesses.\n\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nCc: stable@kernel.org\n" }, { "commit": "674b2222920012244ca59978b356b25412a8dcc7", "tree": "01b3673031df1fb3b9a3f5c8f3394f1c0036dde6", "parents": [ "a2dccdb2055abeb8a7ce8e45e5f83de9c980a00c" ], "author": { "name": "Dan Carpenter", "email": "error27@gmail.com", "time": "Tue Jul 13 13:34:59 2010 +0200" }, "committer": { "name": "Trond Myklebust", "email": "Trond.Myklebust@netapp.com", "time": "Fri Jul 30 15:33:39 2010 -0400" }, "message": "nfs: include space for the NUL in root path\n\nIn root_nfs_name() it does the following:\n\n if (strlen(buf) + strlen(cp) \u003e NFS_MAXPATHLEN) {\n printk(KERN_ERR \"Root-NFS: Pathname for remote directory too long.\\n\");\n return -1;\n }\n sprintf(nfs_export_path, buf, cp);\n\nIn the original code if (strlen(buf) + strlen(cp) \u003d\u003d NFS_MAXPATHLEN)\nthen the sprintf() would lead to an overflow. Generally the rest of the\ncode assumes that the path can have NFS_MAXPATHLEN (1024) characters and\na NUL terminator so the fix is to add space to the nfs_export_path[]\nbuffer.\n\nSigned-off-by: Dan Carpenter \u003cerror27@gmail.com\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n" }, { "commit": "a2dccdb2055abeb8a7ce8e45e5f83de9c980a00c", "tree": "14b0997d648a158e05fa2243b1beddaa6d4cfd36", "parents": [ "7d5fcdc38ff0425ff52bffe26d481ea07547574c", "33fea794b9deeb8ffb77e284eb37375b8f45a2c4" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jul 29 15:23:28 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jul 29 15:23:28 2010 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git390.marist.edu/pub/scm/linux-2.6\n\n* \u0027for-linus\u0027 of git://git390.marist.edu/pub/scm/linux-2.6:\n [S390] etr: fix clock synchronization race\n [S390] Fix IRQ tracing in case of PER\n" }, { "commit": "7d5fcdc38ff0425ff52bffe26d481ea07547574c", "tree": "d4dc2e778ea8672775aa969984f962917e5a03fc", "parents": [ "e271e872a8685be8e13fe006f0d81630f65d7e5c", "230a5cef48158221e3f5ae030fef1cf4512401e1" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jul 29 15:21:44 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jul 29 15:21:44 2010 -0700" }, "message": "Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog\n\n* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:\n watchdog: update MAINTAINERS entry\n" }, { "commit": "e271e872a8685be8e13fe006f0d81630f65d7e5c", "tree": "d1a671f411a8e8cbbada2db46efafb0b5e3fe10e", "parents": [ "8f92054e7ca1d3a3ae50fb42d2253ac8730d9b2a", "dc1eae256cfac03bf17bf3eb016e3a6423d3f9d5" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jul 29 15:21:07 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jul 29 15:21:07 2010 -0700" }, "message": "Merge branch \u0027fix/hda\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6\n\n* \u0027fix/hda\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:\n ALSA: hda - Add a PC-beep workaround for ASUS P5-V\n ALSA: hda - Assume PC-beep as default for Realtek\n ALSA: hda - Don\u0027t register beep input device when no beep is available\n ALSA: hda - Fix pin-detection of Nvidia HDMI\n" }, { "commit": "8f92054e7ca1d3a3ae50fb42d2253ac8730d9b2a", "tree": "29d1bcf78bf04fe41c7e811f806f58d655c41f9f", "parents": [ "de09a9771a5346029f4d11e4ac886be7f9bfdd75" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Thu Jul 29 12:45:55 2010 +0100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jul 29 15:16:18 2010 -0700" }, "message": "CRED: Fix __task_cred()\u0027s lockdep check and banner comment\n\nFix __task_cred()\u0027s lockdep check by removing the following validation\ncondition:\n\n\tlockdep_tasklist_lock_is_held()\n\nas commit_creds() does not take the tasklist_lock, and nor do most of the\nfunctions that call it, so this check is pointless and it can prevent\ndetection of the RCU lock not being held if the tasklist_lock is held.\n\nInstead, add the following validation condition:\n\n\ttask-\u003eexit_state \u003e\u003d 0\n\nto permit the access if the target task is dead and therefore unable to change\nits own credentials.\n\nFix __task_cred()\u0027s comment to:\n\n (1) discard the bit that says that the caller must prevent the target task\n from being deleted. That shouldn\u0027t need saying.\n\n (2) Add a comment indicating the result of __task_cred() should not be passed\n directly to get_cred(), but rather than get_task_cred() should be used\n instead.\n\nAlso put a note into the documentation to enforce this point there too.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Jiri Olsa \u003cjolsa@redhat.com\u003e\nCc: Paul E. McKenney \u003cpaulmck@linux.vnet.ibm.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "de09a9771a5346029f4d11e4ac886be7f9bfdd75", "tree": "ccce9e75753c98a9f38075d54ab98aa4b89e66c7", "parents": [ "540ad6b62b3a188a53b51cac81d8a60d40e29fbd" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Thu Jul 29 12:45:49 2010 +0100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jul 29 15:16:17 2010 -0700" }, "message": "CRED: Fix get_task_cred() and task_state() to not resurrect dead credentials\n\nIt\u0027s possible for get_task_cred() as it currently stands to \u0027corrupt\u0027 a set of\ncredentials by incrementing their usage count after their replacement by the\ntask being accessed.\n\nWhat happens is that get_task_cred() can race with commit_creds():\n\n\tTASK_1\t\t\tTASK_2\t\t\tRCU_CLEANER\n\t--\u003eget_task_cred(TASK_2)\n\trcu_read_lock()\n\t__cred \u003d __task_cred(TASK_2)\n\t\t\t\t--\u003ecommit_creds()\n\t\t\t\told_cred \u003d TASK_2-\u003ereal_cred\n\t\t\t\tTASK_2-\u003ereal_cred \u003d ...\n\t\t\t\tput_cred(old_cred)\n\t\t\t\t call_rcu(old_cred)\n\t\t[__cred-\u003eusage \u003d\u003d 0]\n\tget_cred(__cred)\n\t\t[__cred-\u003eusage \u003d\u003d 1]\n\trcu_read_unlock()\n\t\t\t\t\t\t\t--\u003eput_cred_rcu()\n\t\t\t\t\t\t\t[__cred-\u003eusage \u003d\u003d 1]\n\t\t\t\t\t\t\tpanic()\n\nHowever, since a tasks credentials are generally not changed very often, we can\nreasonably make use of a loop involving reading the creds pointer and using\natomic_inc_not_zero() to attempt to increment it if it hasn\u0027t already hit zero.\n\nIf successful, we can safely return the credentials in the knowledge that, even\nif the task we\u0027re accessing has released them, they haven\u0027t gone to the RCU\ncleanup code.\n\nWe then change task_state() in procfs to use get_task_cred() rather than\ncalling get_cred() on the result of __task_cred(), as that suffers from the\nsame problem.\n\nWithout this change, a BUG_ON in __put_cred() or in put_cred_rcu() can be\ntripped when it is noticed that the usage count is not zero as it ought to be,\nfor example:\n\nkernel BUG at kernel/cred.c:168!\ninvalid opcode: 0000 [#1] SMP\nlast sysfs file: /sys/kernel/mm/ksm/run\nCPU 0\nPid: 2436, comm: master Not tainted 2.6.33.3-85.fc13.x86_64 #1 0HR330/OptiPlex\n745\nRIP: 0010:[\u003cffffffff81069881\u003e] [\u003cffffffff81069881\u003e] __put_cred+0xc/0x45\nRSP: 0018:ffff88019e7e9eb8 EFLAGS: 00010202\nRAX: 0000000000000001 RBX: ffff880161514480 RCX: 00000000ffffffff\nRDX: 00000000ffffffff RSI: ffff880140c690c0 RDI: ffff880140c690c0\nRBP: ffff88019e7e9eb8 R08: 00000000000000d0 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000040 R12: ffff880140c690c0\nR13: ffff88019e77aea0 R14: 00007fff336b0a5c R15: 0000000000000001\nFS: 00007f12f50d97c0(0000) GS:ffff880007400000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f8f461bc000 CR3: 00000001b26ce000 CR4: 00000000000006f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400\nProcess master (pid: 2436, threadinfo ffff88019e7e8000, task ffff88019e77aea0)\nStack:\n ffff88019e7e9ec8 ffffffff810698cd ffff88019e7e9ef8 ffffffff81069b45\n\u003c0\u003e ffff880161514180 ffff880161514480 ffff880161514180 0000000000000000\n\u003c0\u003e ffff88019e7e9f28 ffffffff8106aace 0000000000000001 0000000000000246\nCall Trace:\n [\u003cffffffff810698cd\u003e] put_cred+0x13/0x15\n [\u003cffffffff81069b45\u003e] commit_creds+0x16b/0x175\n [\u003cffffffff8106aace\u003e] set_current_groups+0x47/0x4e\n [\u003cffffffff8106ac89\u003e] sys_setgroups+0xf6/0x105\n [\u003cffffffff81009b02\u003e] system_call_fastpath+0x16/0x1b\nCode: 48 8d 71 ff e8 7e 4e 15 00 85 c0 78 0b 8b 75 ec 48 89 df e8 ef 4a 15 00\n48 83 c4 18 5b c9 c3 55 8b 07 8b 07 48 89 e5 85 c0 74 04 \u003c0f\u003e 0b eb fe 65 48 8b\n04 25 00 cc 00 00 48 3b b8 58 04 00 00 75\nRIP [\u003cffffffff81069881\u003e] __put_cred+0xc/0x45\n RSP \u003cffff88019e7e9eb8\u003e\n---[ end trace df391256a100ebdd ]---\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Jiri Olsa \u003cjolsa@redhat.com\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "230a5cef48158221e3f5ae030fef1cf4512401e1", "tree": "cf3fd6d73c7bc7ac8a57338147595885b9184d19", "parents": [ "540ad6b62b3a188a53b51cac81d8a60d40e29fbd" ], "author": { "name": "Wim Van Sebroeck", "email": "wim@iguana.be", "time": "Thu Jul 29 18:02:51 2010 +0000" }, "committer": { "name": "Wim Van Sebroeck", "email": "wim@iguana.be", "time": "Thu Jul 29 18:02:51 2010 +0000" }, "message": "watchdog: update MAINTAINERS entry\n\nAdd Mailing-list and website to watchdog MAINTAINERS entry.\n\nSigned-off-by: Wim Van Sebroeck \u003cwim@iguana.be\u003e\n" }, { "commit": "dc1eae256cfac03bf17bf3eb016e3a6423d3f9d5", "tree": "790b8571fae2787ce1ccd02e518b0f192ef6de58", "parents": [ "b6cbe517b9a4f21e1ca5e58356929383974500f3" ], "author": { "name": "Takashi Iwai", "email": "tiwai@suse.de", "time": "Thu Jul 29 15:30:02 2010 +0200" }, "committer": { "name": "Takashi Iwai", "email": "tiwai@suse.de", "time": "Thu Jul 29 15:30:02 2010 +0200" }, "message": "ALSA: hda - Add a PC-beep workaround for ASUS P5-V\n\nASUS P5-V provides a SSID that unexpectedly matches with the value\ncompilant with Realtek\u0027s specification. Thus the driver interprets\nit badly, resulting in non-working PC beep.\n\nThis patch adds a white-list for such a case; a white-list of known\ndevices with working PC beep.\n\nSigned-off-by: Takashi Iwai \u003ctiwai@suse.de\u003e\n" }, { "commit": "b92b3612134faff171981fad4f0adb33f485e02e", "tree": "90e686709e31ab7523e4ce730b2c85a930384cf7", "parents": [ "79f64dbf68c8a9779a7e9a25e0a9f0217a25b57a" ], "author": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Thu Jul 29 11:38:05 2010 +0100" }, "committer": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Thu Jul 29 14:04:37 2010 +0100" }, "message": "ARM: Add barriers to io{read,write}{8,16,32} accessors as well\n\nThe ioread/iowrite accessors also need barriers as they\u0027re used in\nplace of readl/writel et.al. in portable drivers. Create __iormb()\nand __iowmb() which are conditionally defined to be barriers dependent\non ARM_DMA_MEM_BUFFERABLE, and always use these macros in the accessors.\n\nSigned-off-by: Russell King \u003crmk+kernel@arm.linux.org.uk\u003e\n" }, { "commit": "79f64dbf68c8a9779a7e9a25e0a9f0217a25b57a", "tree": "bd75d76d566c5dd211d310bf136cf3e4b07184ae", "parents": [ "6775a558fece413376e1dacd435adb5fbe225f40" ], "author": { "name": "Catalin Marinas", "email": "catalin.marinas@arm.com", "time": "Wed Jul 28 22:01:55 2010 +0100" }, "committer": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Thu Jul 29 14:04:37 2010 +0100" }, "message": "ARM: 6273/1: Add barriers to the I/O accessors if ARM_DMA_MEM_BUFFERABLE\n\nWhen the coherent DMA buffers are mapped as Normal Non-cacheable\n(ARM_DMA_MEM_BUFFERABLE enabled), buffer accesses are no longer ordered\nwith Device memory accesses causing failures in device drivers that do\nnot use the mandatory memory barriers before starting a DMA transfer.\nLKML discussions led to the conclusion that such barriers have to be\nadded to the I/O accessors:\n\nhttp://thread.gmane.org/gmane.linux.kernel/683509/focus\u003d686153\nhttp://thread.gmane.org/gmane.linux.ide/46414\nhttp://thread.gmane.org/gmane.linux.kernel.cross-arch/5250\n\nThis patch introduces a wmb() barrier to the write*() I/O accessors to\nhandle the situations where Normal Non-cacheable writes are still in the\nprocessor (or L2 cache controller) write buffer before a DMA transfer\ncommand is issued. For the read*() accessors, a rmb() is introduced\nafter the I/O to avoid speculative loads where the driver polls for a\nDMA transfer ready bit.\n\nSigned-off-by: Catalin Marinas \u003ccatalin.marinas@arm.com\u003e\nSigned-off-by: Russell King \u003crmk+kernel@arm.linux.org.uk\u003e\n" }, { "commit": "6775a558fece413376e1dacd435adb5fbe225f40", "tree": "e4428d3915151d3718a9687f843ecec115aeb546", "parents": [ "e936771a76a7b61ca55a5142a3de835c2e196871" ], "author": { "name": "Catalin Marinas", "email": "catalin.marinas@arm.com", "time": "Wed Jul 28 22:01:25 2010 +0100" }, "committer": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Thu Jul 29 14:04:36 2010 +0100" }, "message": "ARM: 6272/1: Convert L2x0 to use the IO relaxed operations\n\nThis patch is in preparation for a subsequent patch which adds barriers\nto the I/O accessors. Since the mandatory barriers may do an L2 cache\nsync, this patch avoids a recursive call into l2x0_cache_sync() via the\nwrite*() accessors and wmb() and a call into l2x0_cache_sync() with the\nl2x0_lock held.\n\nSigned-off-by: Catalin Marinas \u003ccatalin.marinas@arm.com\u003e\nSigned-off-by: Russell King \u003crmk+kernel@arm.linux.org.uk\u003e\n" }, { "commit": "e936771a76a7b61ca55a5142a3de835c2e196871", "tree": "3ec67935283bbd150bbaa2c9847dec525a0eb031", "parents": [ "661f10f6b6ce55c737e88c4803453eba4ba3a61c" ], "author": { "name": "Catalin Marinas", "email": "catalin.marinas@arm.com", "time": "Wed Jul 28 22:00:54 2010 +0100" }, "committer": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Thu Jul 29 14:04:36 2010 +0100" }, "message": "ARM: 6271/1: Introduce *_relaxed() I/O accessors\n\nThis patch introduces readl*_relaxed()/write*_relaxed() as the main I/O\naccessors (when __mem_pci is defined). The standard read*()/write*()\nmacros are now based on the relaxed accessors.\n\nThis patch is in preparation for a subsequent patch which adds barriers\nto the I/O accessors.\n\nSigned-off-by: Catalin Marinas \u003ccatalin.marinas@arm.com\u003e\nSigned-off-by: Russell King \u003crmk+kernel@arm.linux.org.uk\u003e\n" }, { "commit": "661f10f6b6ce55c737e88c4803453eba4ba3a61c", "tree": "08b68ecb2b26d16cbd6c26a7f356b9305da5900b", "parents": [ "f1b957d3a06826f4a30fd4440e54a6b87c2e6173" ], "author": { "name": "Rabin Vincent", "email": "rabin.vincent@stericsson.com", "time": "Thu Jul 29 12:13:18 2010 +0100" }, "committer": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Thu Jul 29 14:04:35 2010 +0100" }, "message": "ARM: 6275/1: ux500: don\u0027t use writeb() in uncompress.h\n\nDon\u0027t use writeb() in uncompress.h, to avoid the following build errors\nwhen the \"Add barriers to the I/O accessors\" series is applied. Use\n__raw_writeb() instead.\n\narch/arm/boot/compressed/misc.o: In function `putc\u0027:\narch/arm/mach-ux500/include/mach/uncompress.h:41:\nundefined reference to `outer_cache\u0027\n\nAcked-by: Linus Walleij \u003clinus.walleij@stericsson.com\u003e\nSigned-off-by: Rabin Vincent \u003crabin.vincent@stericsson.com\u003e\nSigned-off-by: Russell King \u003crmk+kernel@arm.linux.org.uk\u003e\n" }, { "commit": "f1b957d3a06826f4a30fd4440e54a6b87c2e6173", "tree": "c16aeebaaaf42d647235e7fc9396b015fd3f2d7d", "parents": [ "4609a179c97ae60fef173547a9bbb214359808ce" ], "author": { "name": "Magnus Damm", "email": "magnus.damm@gmail.com", "time": "Wed Jul 28 05:46:21 2010 +0100" }, "committer": { "name": "Russell King", "email": "rmk+kernel@arm.linux.org.uk", "time": "Thu Jul 29 11:31:21 2010 +0100" }, "message": "ARM: 6270/1: clean files in arch/arm/boot/compressed/\n\nUpdate the compressed boot Makefile for ARM to\nremove files during clean.\n\nSigned-off-by: Magnus Damm \u003cdamm@opensource.se\u003e\nSigned-off-by: Russell King \u003crmk+kernel@arm.linux.org.uk\u003e\n" }, { "commit": "a4967de6cbb260ad0f6612a1d2035e119ef1578f", "tree": "64ea75d7f0f4b85cc78089a14c35b8e7c3dcd91e", "parents": [ "12e27be852db6d3e701e5563f394d6c7aa7aa778" ], "author": { "name": "Adam Jackson", "email": "ajax@redhat.com", "time": "Wed Jul 28 07:40:32 2010 +1000" }, "committer": { "name": "Dave Airlie", "email": "airlied@redhat.com", "time": "Thu Jul 29 16:14:43 2010 +1000" }, "message": "drm/edid: Fix the HDTV hack sync adjustment\n\nWe\u0027re adjusting horizontal timings only here, moving vsync was just a\nslavish translation of a typo in the X server.\n\nSigned-off-by: Adam Jackson \u003cajax@redhat.com\u003e\nSigned-off-by: Dave Airlie \u003cairlied@redhat.com\u003e\n" }, { "commit": "12e27be852db6d3e701e5563f394d6c7aa7aa778", "tree": "eeb4ab3056acb4f0d3dee1ee95efb60732a60064", "parents": [ "fc0f5ac8fe693d1b05f5a928cc48135d1c8b7f2e" ], "author": { "name": "Daniel J Blueman", "email": "daniel.blueman@gmail.com", "time": "Wed Jul 28 12:25:58 2010 +0100" }, "committer": { "name": "Dave Airlie", "email": "airlied@redhat.com", "time": "Thu Jul 29 15:22:35 2010 +1000" }, "message": "drm/radeon/kms: fix radeon mid power profile reporting\n\nFix incorrectly reporting \u0027default\u0027 power profile, when it is set to \u0027mid\u0027.\n\nSigned-off-by: Daniel J Blueman \u003cdaniel.blueman@gmail.com\u003e\nReviewed-by: Alex Deucher \u003calexdeucher@gmail.com\u003e\nSigned-off-by: Dave Airlie \u003cairlied@redhat.com\u003e\n" }, { "commit": "540ad6b62b3a188a53b51cac81d8a60d40e29fbd", "tree": "554d3905c18c711ee2b9853dca2b45d274542eb7", "parents": [ "2fa82e1f10949dbde97fe13c269df2321c0d0715", "ba773f7c510c0b252145933926c636c439889207" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jul 28 20:01:26 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jul 28 20:01:26 2010 -0700" }, "message": "Merge branch \u0027for_linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb\n\n* \u0027for_linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:\n x86,kgdb: Fix hw breakpoint regression\n" }, { "commit": "2fa82e1f10949dbde97fe13c269df2321c0d0715", "tree": "ed209193ef4c6c9d0517c875665f414a8504523f", "parents": [ "8785eb1e7ca0292c04007fc7768e1599e0c6cef3", "8f83d7688026729c9d356d865f65a8996f090048" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jul 28 20:00:42 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jul 28 20:00:42 2010 -0700" }, "message": "Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6\n\n* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:\n [SCSI] ibmvscsi: Fix oops when an interrupt is pending during probe\n [SCSI] zfcp: Update status read mempool\n [SCSI] zfcp: Do not wait for SBALs on stopped queue\n [SCSI] zfcp: Fix check whether unchained ct_els is possible\n [SCSI] ipr: fix resource path display and formatting\n" }, { "commit": "8785eb1e7ca0292c04007fc7768e1599e0c6cef3", "tree": "8016acc3d90f4af72940ce3b85beaeb25fe8326d", "parents": [ "a6f80fb7b5986fda663d94079d3bba0937a6b6ff", "8b24599e72c9aee1ea1187e29cb9c5de9f449cce" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jul 28 19:59:55 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jul 28 19:59:55 2010 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6:\n davinci: da850/omap-l138 evm: account for DEFDCDC{2,3} being tied high\n regulator: tps6507x: allow driver to use DEFDCDC{2,3}_HIGH register\n wm8350-regulator: fix wm8350_register_regulator error handling\n ab3100: fix off-by-one value range checking for voltage selector\n" } ], "next": "a6f80fb7b5986fda663d94079d3bba0937a6b6ff" }