)]}' { "log": [ { "commit": "75ce6faccdbbea4465876a759917d4994660c025", "tree": "f9aa756077d27dcc33bb5420dd1c67b11bf7e635", "parents": [ "d237e5c7ce82b6c7e1aa50348520a0c5a47274fa" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Apr 15 10:23:35 2008 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Apr 15 10:23:35 2008 +0200" }, "message": "block: update git url for blktrace\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "4faa3c8150c1d4f7b38d962eda7851083e218e3f", "tree": "a9110e7d49bc5f76d51d437a684844b47c31be3a", "parents": [ "8191ecd1d14c6914c660dfa007154860a7908857" ], "author": { "name": "Fabio Checconi", "email": "fabio@gandalf.sssup.i", "time": "Thu Apr 10 08:28:01 2008 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Thu Apr 10 08:28:01 2008 +0200" }, "message": "cfq-iosched: do not leak ioc_data across iosched switches\n\nWhen switching scheduler from cfq, cfq_exit_queue() does not clear\nioc-\u003eioc_data, leaving a dangling pointer that can deceive the following\nlookups when the iosched is switched back to cfq. The pattern that can\ntrigger that is the following:\n\n - elevator switch from cfq to something else;\n - module unloading, with elv_unregister() that calls cfq_free_io_context()\n on ioc freeing the cic (via the .trim op);\n - module gets reloaded and the elevator switches back to cfq;\n - reallocation of a cic at the same address as before (with a valid key).\n\nTo fix it just assign NULL to ioc_data in __cfq_exit_single_io_context(),\nthat is called from the regular exit path and from the elevator switching\ncode. The only path that frees a cic and is not covered is the error handling\none, but cic\u0027s freed in this way are never cached in ioc_data.\n\nSigned-off-by: Fabio Checconi \u003cfabio@gandalf.sssup.it\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "34e6bbf23c8f43e8713d9bd092680f1660494b4a", "tree": "908e97ac3d43882cb42bf57c41926852d3bc2f6e", "parents": [ "00d61e3e8c12d5f395b167856d2b3c430816afb0" ], "author": { "name": "Fabio Checconi", "email": "fabio@gandalf.sssup.i", "time": "Wed Apr 02 14:31:02 2008 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Wed Apr 02 15:42:20 2008 +0200" }, "message": "cfq-iosched: fix rcu freeing of cfq io contexts\n\nSLAB_DESTROY_BY_RCU is not a direct substitute for normal call_rcu()\nfreeing, since it\u0027ll page freeing but NOT object freeing. So change\ncfq to do the freeing on its own.\n\nSigned-off-by: Fabio Checconi \u003cfabio@gandalf.sssup.it\u003e\nAcked-by: Paul E. McKenney \u003cpaulmck@linux.vnet.ibm.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "00d61e3e8c12d5f395b167856d2b3c430816afb0", "tree": "757df09b076810b40ee3431a394882a2be860a68", "parents": [ "0e81a8ae37687845f7cdfa2adce14ea6a5f1dd34" ], "author": { "name": "Andrea Arcangeli", "email": "andrea@qumranet.com", "time": "Wed Apr 02 09:06:44 2008 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Wed Apr 02 09:06:44 2008 +0200" }, "message": "Fix bounce setting for 64-bit\n\nLooking a bit closer into this regression the reason this can\u0027t be\nright is that dma_addr common default is BLK_BOUNCE_HIGH and most\nmachines have less than 4G. So if you do:\n\n if (b_pfn \u003c\u003d (min_t(u64, 0xffffffff, BLK_BOUNCE_HIGH) \u003e\u003e PAGE_SHIFT))\n\tdma \u003d 1\n\nthat will translate to:\n\n if (BLK_BOUNCE_HIGH \u003c\u003d BLK_BOUNCE_HIGH)\n \tdma \u003d 1\n\nSo for 99% of hardware this will trigger unnecessary GFP_DMA\nallocations and isa pooling operations.\n\nAlso note how the 32bit code still does b_pfn \u003c blk_max_low_pfn.\n\nI guess this is what you were looking after. I didn\u0027t verify but as\nfar as I can tell, this will stop the regression with isa dma\noperations at boot for 99% of blkdev/memory combinations out there and\nI guess this fixes the setups with \u003e4G of ram and 32bit pci cards as\nwell (this also retains symmetry with the 32bit code).\n\nSigned-off-by: Andrea Arcangeli \u003candrea@qumranet.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "ee27a558ae0ff5063ccd6c47ca102c0bb0e3ba27", "tree": "dcf8c19fa113bf8bd1e8d5c97a4d527cc845e38d", "parents": [ "a8ae50ba9336ff77d0df0943ac27b79ba0a5a521" ], "author": { "name": "Roland McGrath", "email": "roland@redhat.com", "time": "Tue Mar 11 17:13:15 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Mar 12 12:34:37 2008 -0700" }, "message": "genhd must_check warning fix\n\nFixes:\n\n\tblock/genhd.c:361: warning: ignoring return value of ‘class_register’, declared with attribute warn_unused_result\n\nSigned-off-by: Roland McGrath \u003croland@redhat.com\u003e\nAcked-by: Jeff Garzik \u003cjeff@garzik.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "cc66b4512cae8df4ed1635483210aabf7690ec27", "tree": "8f96be9db22c086efa3751c5c3a80f0ac6007c9f", "parents": [ "56d94a37f63ad1c9da3bc8e903f79d0ee1e80170" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Mar 04 11:47:46 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Mar 04 11:47:46 2008 +0100" }, "message": "block: fix blkdev_issue_flush() not detecting and passing EOPNOTSUPP back\n\nThis is important to eg dm, that tries to decide whether to stop using\nbarriers or not.\n\nTested as working by Anders Henke \u003canders.henke@1und1.de\u003e\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "56d94a37f63ad1c9da3bc8e903f79d0ee1e80170", "tree": "f5a89d4d6df7b959ca7e1ae3cd8f54a935496cc4", "parents": [ "448da4d262b5db90817ce853726ff4d9b0c2bf48" ], "author": { "name": "Harvey Harrison", "email": "harvey.harrison@gmail.com", "time": "Tue Mar 04 11:31:22 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Mar 04 11:31:22 2008 +0100" }, "message": "block: fix shadowed variable warning in blk-map.c\n\nIntroduced between 2.6.25-rc2 and -rc3\nblock/blk-map.c:154:14: warning: symbol \u0027bio\u0027 shadows an earlier one\nblock/blk-map.c:110:13: originally declared here\n\nSigned-off-by: Harvey Harrison \u003charvey.harrison@gmail.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "448da4d262b5db90817ce853726ff4d9b0c2bf48", "tree": "01fecb0f9a1d89eb6c418320d3124d2ff92fae83", "parents": [ "68d95b585f1b67b3c89ce0eb934e221ebeeb5c61" ], "author": { "name": "Harvey Harrison", "email": "harvey.harrison@gmail.com", "time": "Tue Mar 04 11:30:18 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Mar 04 11:30:18 2008 +0100" }, "message": "block: remove extern on function definition\n\nIntoduced between 2.6.25-rc2 and -rc3\nblock/blk-settings.c:319:12: warning: function \u0027blk_queue_dma_drain\u0027 with external linkage has definition\n\nSigned-off-by: Harvey Harrison \u003charvey.harrison@gmail.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "bec419404afe8b0d60000118ca90ada4c69a3a6d", "tree": "4febf3a554ef432a9de40a2653131f8a60137f45", "parents": [ "9d7f1e6b9b2c2e4fe029ff35f4ca1e2879864208" ], "author": { "name": "Adrian Bunk", "email": "bunk@kernel.org", "time": "Tue Mar 04 11:23:48 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Mar 04 11:28:34 2008 +0100" }, "message": "unexport blk_rq_map_user_iov\n\nThis patch removes the unused export of blk_rq_map_user_iov.\n\nSigned-off-by: Adrian Bunk \u003cbunk@kernel.org\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "9d7f1e6b9b2c2e4fe029ff35f4ca1e2879864208", "tree": "06ac8af66970f1fd25bb97303c8d824062ee5d4b", "parents": [ "1826eadfc42839af7c1c5a1859510aff635d3fa1" ], "author": { "name": "Adrian Bunk", "email": "bunk@kernel.org", "time": "Tue Mar 04 11:23:47 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Mar 04 11:28:32 2008 +0100" }, "message": "unexport blk_{get,put}_queue\n\nThis patch removes the unused exports of blk_{get,put}_queue.\n\nSigned-off-by: Adrian Bunk \u003cbunk@kernel.org\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "1826eadfc42839af7c1c5a1859510aff635d3fa1", "tree": "387895990fb3db91cbf9d82d33f5df27d62a0219", "parents": [ "ff88972c850ced92b9c4c7f538d85829c741eeb0" ], "author": { "name": "Adrian Bunk", "email": "bunk@kernel.org", "time": "Tue Mar 04 11:23:46 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Mar 04 11:28:31 2008 +0100" }, "message": "block/genhd.c: cleanups\n\nThis patch contains the following cleanups:\n- make the needlessly global struct disk_type static\n- #if 0 the unused genhd_media_change_notify()\n\nSigned-off-by: Adrian Bunk \u003cbunk@kernel.org\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "ff88972c850ced92b9c4c7f538d85829c741eeb0", "tree": "e7cfb7e15db26f35da6e982b934417f3909017a6", "parents": [ "278caf0120a77e4398762357a8cc522d094fe2f2" ], "author": { "name": "Adrian Bunk", "email": "bunk@kernel.org", "time": "Tue Mar 04 11:23:45 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Mar 04 11:28:29 2008 +0100" }, "message": "proper prototype for blk_dev_init()\n\nThis patch adds a proper prototye for blk_dev_init() in block/blk.h\n\nSigned-off-by: Adrian Bunk \u003cbunk@kernel.org\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "278caf0120a77e4398762357a8cc522d094fe2f2", "tree": "e81bc300bf4f73654256067e9b466a5722e6a714", "parents": [ "419c434c35614609fd0c79d335c134bf4b88b30b" ], "author": { "name": "Adrian Bunk", "email": "bunk@kernel.org", "time": "Tue Mar 04 11:23:44 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Mar 04 11:28:24 2008 +0100" }, "message": "block/blk-tag.c should #include \"blk.h\"\n\nEvery file should include the headers containing the externs for its\nglobal functions (in this case for __blk_queue_free_tags()).\n\nSigned-off-by: Adrian Bunk \u003cbunk@kernel.org\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "419c434c35614609fd0c79d335c134bf4b88b30b", "tree": "c2e076f6d0c61051dac3184f9f1255db1c680902", "parents": [ "e3790c7d42a545e8fe8b38b513613ca96687b670" ], "author": { "name": "Yang Shi", "email": "yang.shi@windriver.com", "time": "Tue Mar 04 11:20:51 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Mar 04 11:20:51 2008 +0100" }, "message": "Fix DMA access of block device in 64-bit kernel on some non-x86 systems with 4GB or upper 4GB memory\n\nFor some non-x86 systems with 4GB or upper 4GB memory,\nwe need increase the range of addresses that can be\nused for direct DMA in 64-bit kernel.\n\nSigned-off-by: Yang Shi \u003cyang.shi@windriver.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "e3790c7d42a545e8fe8b38b513613ca96687b670", "tree": "0b849ba46007c4d7f7a34271a76d58e7406cbad7", "parents": [ "7a85f8896f4b4a4a0249563b92af9e3161a6b467" ], "author": { "name": "Tejun Heo", "email": "htejun@gmail.com", "time": "Tue Mar 04 11:18:17 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Mar 04 11:18:17 2008 +0100" }, "message": "block: separate out padding from alignment\n\nBlock layer alignment was used for two different purposes - memory\nalignment and padding. This causes problems in lower layers because\ndrivers which only require memory alignment ends up with adjusted\nrq-\u003edata_len. Separate out padding such that padding occurs iff\ndriver explicitly requests it.\n\nTomo: restorethe code to update bio in blk_rq_map_user\n introduced by the commit 40b01b9bbdf51ae543a04744283bf2d56c4a6afa\n according to padding alignment.\n\nSigned-off-by: Tejun Heo \u003chtejun@gmail.com\u003e\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "7a85f8896f4b4a4a0249563b92af9e3161a6b467", "tree": "616c62e3c96237e874fc0f47133fbca2160913b5", "parents": [ "89b6e743788516491846724d7ef89bcac7ac9c99" ], "author": { "name": "FUJITA Tomonori", "email": "fujita.tomonori@lab.ntt.co.jp", "time": "Tue Mar 04 11:17:11 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "axboe@carl.home.kernel.dk", "time": "Tue Mar 04 11:17:11 2008 +0100" }, "message": "block: restore the meaning of rq-\u003edata_len to the true data length\n\nThe meaning of rq-\u003edata_len was changed to the length of an allocated\nbuffer from the true data length. It breaks SG_IO friends and\nbsg. This patch restores the meaning of rq-\u003edata_len to the true data\nlength and adds rq-\u003eextra_len to store an extended length (due to\ndrain buffer and padding).\n\nThis patch also removes the code to update bio in blk_rq_map_user\nintroduced by the commit 40b01b9bbdf51ae543a04744283bf2d56c4a6afa.\nThe commit adjusts bio according to memory alignment\n(queue_dma_alignment). However, memory alignment is NOT padding\nalignment. This adjustment also breaks SG_IO friends and bsg. Padding\nalignment needs to be fixed in a proper way (by a separate patch).\n\nSigned-off-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nSigned-off-by: Jens Axboe \u003caxboe@carl.home.kernel.dk\u003e\n" }, { "commit": "5d87a052c7e5f245bbb3018721b4b0afe0afc252", "tree": "3d24eaf1409518e1a0b36d8cd9e7131d5f5a8044", "parents": [ "976dde010e513a9c7c3117a32b7b015f84b37430" ], "author": { "name": "Randy Dunlap", "email": "randy.dunlap@oracle.com", "time": "Wed Feb 20 09:01:22 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "axboe@carl.home.kernel.dk", "time": "Tue Mar 04 11:14:39 2008 +0100" }, "message": "block: fix kernel-docbook parameters and files\n\nkernel-doc for block/:\n- add missing parameters\n- fix one function\u0027s parameter list (remove blank line)\n- add 2 source files to docbook for non-exported kernel-doc functions\n\nSigned-off-by: Randy Dunlap \u003crandy.dunlap@oracle.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "db0a2e0099be3a1cff55879225881465f16c67d3", "tree": "297f788296f1722b4a6b2e5947fa9a3aa63dc36b", "parents": [ "2fb98e8414c42cb14698833aac640b143b9ade4f" ], "author": { "name": "Tejun Heo", "email": "htejun@gmail.com", "time": "Tue Feb 19 11:36:55 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Feb 19 11:36:55 2008 +0100" }, "message": "block: clear drain buffer if draining for write command\n\nClear drain buffer before chaining if the command in question is a\nwrite.\n\nSigned-off-by: Tejun Heo \u003chtejun@gmail.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "2fb98e8414c42cb14698833aac640b143b9ade4f", "tree": "ab241305b5ce3ea5ef3e76df7abe04b831cd9e34", "parents": [ "6b00769fe1502b4ad97bb327ef7ac971b208bfb5" ], "author": { "name": "Tejun Heo", "email": "htejun@gmail.com", "time": "Tue Feb 19 11:36:53 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Feb 19 11:36:53 2008 +0100" }, "message": "block: implement request_queue-\u003edma_drain_needed\n\nDraining shouldn\u0027t be done for commands where overflow may indicate\ndata integrity issues. Add dma_drain_needed callback to\nrequest_queue. Drain buffer is appened iff this function returns\nnon-zero.\n\nSigned-off-by: Tejun Heo \u003chtejun@gmail.com\u003e\nCc: James Bottomley \u003cJames.Bottomley@HansenPartnership.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "6b00769fe1502b4ad97bb327ef7ac971b208bfb5", "tree": "2ffc51176437ebf4f8a4ab13de59a32431043f15", "parents": [ "40b01b9bbdf51ae543a04744283bf2d56c4a6afa" ], "author": { "name": "Tejun Heo", "email": "htejun@gmail.com", "time": "Tue Feb 19 11:36:35 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Feb 19 11:36:35 2008 +0100" }, "message": "block: add request-\u003eraw_data_len\n\nWith padding and draining moved into it, block layer now may extend\nrequests as directed by queue parameters, so now a request has two\nsizes - the original request size and the extended size which matches\nthe size of area pointed to by bios and later by sgs. The latter size\nis what lower layers are primarily interested in when allocating,\nfilling up DMA tables and setting up the controller.\n\nBoth padding and draining extend the data area to accomodate\ncontroller characteristics. As any controller which speaks SCSI can\nhandle underflows, feeding larger data area is safe.\n\nSo, this patch makes the primary data length field, request-\u003edata_len,\nindicate the size of full data area and add a separate length field,\nrequest-\u003eraw_data_len, for the unmodified request size. The latter is\nused to report to higher layer (userland) and where the original\nrequest size should be fed to the controller or device.\n\nSigned-off-by: Tejun Heo \u003chtejun@gmail.com\u003e\nCc: James Bottomley \u003cJames.Bottomley@HansenPartnership.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "40b01b9bbdf51ae543a04744283bf2d56c4a6afa", "tree": "0f81015c01834b97fdb5646a63c3fe1a24936d81", "parents": [ "56c819df77f96c3fc0c2a979e12b478403728790" ], "author": { "name": "Tejun Heo", "email": "htejun@gmail.com", "time": "Tue Feb 19 11:35:38 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Feb 19 11:35:38 2008 +0100" }, "message": "block: update bio according to DMA alignment padding\n\nDMA start address and transfer size alignment for PC requests are\nachieved using bio_copy_user() instead of bio_map_user(). This works\nbecause bio_copy_user() always uses full pages and block DMA alignment\nisn\u0027t allowed to go over PAGE_SIZE.\n\nHowever, the implementation didn\u0027t update the last bio of the request\nto make this padding visible to lower layers. This patch makes\nblk_rq_map_user() extend the last bio such that it includes the\npadding area and the size of area pointed to by the request is\nproperly aligned.\n\nSigned-off-by: Tejun Heo \u003chtejun@gmail.com\u003e\nCc: James Bottomley \u003cJames.Bottomley@HansenPartnership.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "e164094964e6e20fe7fce418e06a9dce952bb7a4", "tree": "99ff5c6dbf5bccad8a1172bc0fb5a5f4a079bae3", "parents": [ "ffc4e7595734cf768fa60cea8a4d545dfef8231a" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Feb 19 10:20:37 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Feb 19 10:20:37 2008 +0100" }, "message": "elevator: make elevator_get() attempt to load the appropriate module\n\nCurrently we fail if someone requests a valid io scheduler, but it\u0027s\nmodular and not currently loaded. That can happen from a driver init\nasking for a different scheduler, or online switching through sysfs\nas requested by a user.\n\nThis patch makes elevator_get() request_module() to attempt to load\nthe appropriate module, instead of requiring that done manually.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "ffc4e7595734cf768fa60cea8a4d545dfef8231a", "tree": "9b95aca67ea7c9e87254da501f73cca64504051d", "parents": [ "84e9e03c55c2456799ab19f1d577e72f721fdd39" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Feb 19 10:02:29 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Feb 19 10:04:00 2008 +0100" }, "message": "cfq-iosched: add hlist for browsing parallel to the radix tree\n\nIt\u0027s cumbersome to browse a radix tree from start to finish, especially\nsince we modify keys when a process exits. So add a hlist for the single\npurpose of browsing over all known cfq_io_contexts, used for exit,\nio prio change, etc.\n\nThis fixes http://bugzilla.kernel.org/show_bug.cgi?id\u003d9948\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "84e9e03c55c2456799ab19f1d577e72f721fdd39", "tree": "e268a42aa43b6dae3c4f4c8d5c4b2e24d6e2d65a", "parents": [ "86b6c7a7f78feca58d2d8615e53aee4d59ab9dc6" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Feb 18 13:51:56 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Feb 19 10:04:00 2008 +0100" }, "message": "block: make blk_rq_map_user() clear -\u003ebio if it unmaps it\n\nThat way the interface is symmetric, and calling blk_rq_unmap_user()\non the request wont oops.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "52ff4cae65b45dcdfa23de09619754d6f380f31e", "tree": "090e67d7b0219d1f3a5c943a6d4e23df6920f18b", "parents": [ "13341598263011e079386b22ea35e482f97714c0" ], "author": { "name": "Adrian Bunk", "email": "bunk@kernel.org", "time": "Mon Feb 18 13:45:55 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Feb 19 10:04:00 2008 +0100" }, "message": "make blk_settings_init() static\n\nblk_settings_init() can become static.\n\nSigned-off-by: Adrian Bunk \u003cbunk@kernel.org\u003e\nSigned-off-by: Jens Axboe \u003caxboe@carl.home.kernel.dk\u003e\n" }, { "commit": "13341598263011e079386b22ea35e482f97714c0", "tree": "8a4caf93f9fed9e3b318304759028201a477f733", "parents": [ "5ece6c52ea52f9e94298e950a837ccff415c7687" ], "author": { "name": "Adrian Bunk", "email": "bunk@kernel.org", "time": "Mon Feb 18 13:45:53 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Feb 19 10:04:00 2008 +0100" }, "message": "make blk_ioc_init() static\n\nblk_ioc_init() can become static.\n\nSigned-off-by: Adrian Bunk \u003cbunk@kernel.org\u003e\nSigned-off-by: Jens Axboe \u003caxboe@carl.home.kernel.dk\u003e\n" }, { "commit": "5ece6c52ea52f9e94298e950a837ccff415c7687", "tree": "70f5f64d3b9b2e0c1f90a0f6a3029b058597241a", "parents": [ "9a4c8546f3e7c893888bccc2b3416d6214f2664a" ], "author": { "name": "Adrian Bunk", "email": "bunk@kernel.org", "time": "Mon Feb 18 13:45:51 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Feb 19 10:04:00 2008 +0100" }, "message": "make blk-core.c:request_cachep static again\n\nrequest_cachep needlessly became global.\n\nSigned-off-by: Adrian Bunk \u003cbunk@kernel.org\u003e\nSigned-off-by: Jens Axboe \u003caxboe@carl.home.kernel.dk\u003e\n" }, { "commit": "c3c930d93365c495fbc1df28649da7cd4b97f4af", "tree": "ca5c9efbe9b676423ace098c749425dedabd7bef", "parents": [ "28f39d553ee242000e62f6c589ee3dc6de3f9aaa" ], "author": { "name": "Jerome Marchand", "email": "jmarchan@redhat.com", "time": "Fri Feb 08 12:06:21 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 08 12:42:01 2008 +0100" }, "message": "Enhanced partition statistics: remove old partition statistics\n\nRemoves the now unused old partition statistic code.\n\nSigned-off-by: Jerome Marchand \u003cjmarchan@redhat.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "28f39d553ee242000e62f6c589ee3dc6de3f9aaa", "tree": "c677fc2ec4a97c59e2e8eb3ba3080fce5a963784", "parents": [ "34e8beac92c27d292938065f8375842d2840767c" ], "author": { "name": "Jerome Marchand", "email": "jmarchan@redhat.com", "time": "Fri Feb 08 11:04:56 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 08 12:42:00 2008 +0100" }, "message": "Enhanced partition statistics: procfs\n\nReports enhanced partition statistics in /proc/diskstats.\n\nSigned-off-by: Jerome Marchand \u003cjmarchan@redhat.com\u003e\n" }, { "commit": "6f2576af5ba5913538fda7dfb7c6a17771025477", "tree": "ff55bc30686ccec8b0ce22eb3844e78a52aea875", "parents": [ "ea5c48ab2a76559d4af39e1f7de137c0851ac0a5" ], "author": { "name": "Jerome Marchand", "email": "jmarchan@redhat.com", "time": "Fri Feb 08 11:04:35 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 08 12:41:56 2008 +0100" }, "message": "Enhanced partition statistics: update partition statitics\n\nUpdates the enhanced partition statistics in generic block layer\nbesides the disk statistics.\n\nSigned-off-by: Jerome Marchand \u003cjmarchan@redhat.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "63a7138671c50a6f2c27bbd1a308dc75967062a3", "tree": "6d8b0d9cbc05bce2848299b61528cabc6d04d267", "parents": [ "a4ffc0a0b240a29cbe489f6db9dae112a49ef1c1" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 08 12:41:03 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 08 12:41:03 2008 +0100" }, "message": "block: fixup rq_init() a bit\n\nRearrange fields in cache order and initialize some fields that\nwe didn\u0027t previously init. Remove init of -\u003ecompletion_data, it\u0027s\npart of a union with -\u003ehash. Luckily clearing the rb node is the same\nas setting it to null!\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "3bc217ffe6774e7971d6a7ce6350ce806ebab044", "tree": "b1ccad14a0c23f12248092feb867d2e311db59f0", "parents": [ "8bdd3f8a6993fef2f364aca6e1a59559405773a2" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 01 11:34:49 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 01 11:34:49 2008 +0100" }, "message": "block: kill swap_io_context()\n\nIt blindly copies everything in the io_context, including the lock.\nThat doesn\u0027t work so well for either lock ordering or lockdep.\n\nThere seems zero point in swapping io contexts on a request to request\nmerge, so the best point of action is to just remove it.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "8bdd3f8a6993fef2f364aca6e1a59559405773a2", "tree": "cbf07985c3396417932002be5cd5e4f2c47433e9", "parents": [ "4f4f6c2502474f51654a699d7127d86c2f87075a" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 01 09:44:28 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 01 09:44:28 2008 +0100" }, "message": "as-iosched: fix inconsistent ioc-\u003elock context\n\nSince it\u0027s acquired from irq context, all locking must be of the\nirq safe variant. Most are already inside the queue lock (which\nalready disables interrupts), but the io scheduler rmmod path\nalways has irqs enabled and the put_io_context() path may legally\nbe called with irqs enabled (even if it isn\u0027t usually). So fixup\nthose two.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "4eb166d9874b4917d79ccd14577a60d795a0cb4a", "tree": "b29e657c7f07ad4a0f852bc4803404a7b15bd4ef", "parents": [ "fe094d98e79351344c9e0e2c1446794240d247a4" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 01 00:37:27 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 01 09:26:33 2008 +0100" }, "message": "block: make elevator lib checkpatch compliant\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "fe094d98e79351344c9e0e2c1446794240d247a4", "tree": "6ca11d4d0c2b0c338159b02a412c8bb9fd08f2a6", "parents": [ "6728cb0e6343d4068ccec13f07212e6382d3ff33" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Thu Jan 31 13:08:54 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 01 09:26:33 2008 +0100" }, "message": "cfq-iosched: make checkpatch compliant\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "6728cb0e6343d4068ccec13f07212e6382d3ff33", "tree": "5a7826dc91cf2d9cf54e8c24b40aa3c4d892c797", "parents": [ "22b132102f1540dd40f3e41df88796829b685f1a" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Thu Jan 31 13:03:55 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 01 09:26:33 2008 +0100" }, "message": "block: make core bits checkpatch compliant\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "22b132102f1540dd40f3e41df88796829b685f1a", "tree": "20edc8316009b946ebd197b7aef7ccc041d02798", "parents": [ "640e248e44e2c550473550ca83668ceccad21dce" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Thu Jan 31 12:36:19 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Feb 01 09:26:33 2008 +0100" }, "message": "block: new end request handling interface should take unsigned byte counts\n\nNo point in passing signed integers as the byte count, they can never\nbe negative.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "40f620286dd08e29c995ca631f45e8d03f4fe1be", "tree": "9bdfd55ad3a149bdcb1ede9bf452f32118214aea", "parents": [ "3d9dd6eef888658d26ebea0cc24d15d2a93ab015" ], "author": { "name": "James Bottomley", "email": "James.Bottomley@HansenPartnership.com", "time": "Fri Jan 25 20:05:55 2008 -0600" }, "committer": { "name": "James Bottomley", "email": "James.Bottomley@HansenPartnership.com", "time": "Wed Jan 30 13:14:26 2008 -0600" }, "message": "[SCSI] bsg: copy the cmd_type field to the subordinate request for bidi\n\nThis fixes a problem in SCSI where we use the (previously\nuninitialised) cmd_type via blk_pc_request() to set up the transfer in\nscsi_init_sgtable().\n\nAcked-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nSigned-off-by: James Bottomley \u003cJames.Bottomley@HansenPartnership.com\u003e\n" }, { "commit": "149a051f82d2b3860fe32fa182dbc83a66274894", "tree": "4ca660bb2ee8ac25661a38587d785cd9f78b2125", "parents": [ "5b10ca19ea4859d3884d10a3eb8495de92089792" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 22:25:18 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Wed Jan 30 09:11:10 2008 +0100" }, "message": "as-iosched: fix double locking bug in as_merged_requests()\n\nIf the two requests belong to the same io context, we will attempt\nto lock the same lock twice. But swapping contexts is pointless in\nthat case, so just check for rioc \u003d\u003d nioc before doing the double\nlock and copy.\n\nTested-by: Olof Johansson \u003colof@lixom.net\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "12f32bb31772e72d8cf52a29f961561bccc54c37", "tree": "461dc5d9008e4799fe78eed4d2c0d29096a60345", "parents": [ "e7d9dc9cfd9bcc9ca688fe7f94c0da7d0700bfe6" ], "author": { "name": "Jan Engelhardt", "email": "jengelh@computergmbh.de", "time": "Tue Jan 29 20:57:51 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 21:55:19 2008 +0100" }, "message": "block: constify function pointer tables\n\nSigned-off-by: Jan Engelhardt \u003cjengelh@computergmbh.de\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "e68b903c6b2b88c60050675b056648468f33ab54", "tree": "6622d232adae87af15a9e42e024b513012e59d2b", "parents": [ "7da975a231ae8c11593fd79d1083215321be213a" ], "author": { "name": "Martin K. Petersen", "email": "martin.petersen@oracle.com", "time": "Tue Jan 29 19:14:08 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 21:55:17 2008 +0100" }, "message": "Expose hardware sector size\n\nExpose hardware sector size in sysfs queue directory.\n\nSigned-off-by: Martin K. Petersen \u003cmartin.petersen@oracle.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "d6d48196961729b79509dcaeeb0f0fb4fbb47d29", "tree": "e80f5cdc7f0d682a46b816f5a489357f7d622d62", "parents": [ "db1d08c646e47f3c7835ecdabb51a906ec311f69" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 14:04:06 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 21:55:12 2008 +0100" }, "message": "block: ll_rw_blk.c split, add blk-merge.c\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "db1d08c646e47f3c7835ecdabb51a906ec311f69", "tree": "3760cfe0f210d072d8750dfa7c29a43f1673604e", "parents": [ "26b8256e2bb930a8e4d4d10aa74950d8921376b8" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 13:55:40 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 21:55:11 2008 +0100" }, "message": "block: remove dated (and wrong) comment in blk-core.c\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "26b8256e2bb930a8e4d4d10aa74950d8921376b8", "tree": "36fc1011aa68526dc1fb5b237e330ca2c27c9939", "parents": [ "86db1e29772372155db08ff48a9ceb76e11a2ad1" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 13:54:41 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 21:55:09 2008 +0100" }, "message": "block: get rid of unnecessary forward declarations in blk-core.c\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "86db1e29772372155db08ff48a9ceb76e11a2ad1", "tree": "312f38eb3245873c476c50f816b85610fef9615a", "parents": [ "8324aa91d1e11a1fc25f209687a0b2e6c2ed47d0" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 14:53:40 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 21:55:08 2008 +0100" }, "message": "block: continue ll_rw_blk.c splitup\n\nAdds files for barrier handling, rq execution, io context handling,\nmapping data to requests, and queue settings.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "8324aa91d1e11a1fc25f209687a0b2e6c2ed47d0", "tree": "c63753df94b741d328840edabde74462591ca0b3", "parents": [ "a168ee84c90b39ece357da127ab388f2f64db19c" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 14:51:59 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 21:55:07 2008 +0100" }, "message": "block: split tag and sysfs handling from blk-core.c\n\nSeperates the tag and sysfs handling from ll_rw_blk.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "a168ee84c90b39ece357da127ab388f2f64db19c", "tree": "acb5527d9835c06e4eb2c308850e74db857f7d64", "parents": [ "9bf722598fcd51073974850ae026b44389430ecc" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 14:49:21 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Jan 29 21:55:05 2008 +0100" }, "message": "block: first step of splitting ll_rw_blk, rename it\n\nThen we retain history in blk-core.c\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "8d01eddf292dcd78b640418c80fb300532799cd4", "tree": "dd7f816423463e5ad10f15af22fdbd5b75cc6184", "parents": [ "f0f0052069989b80d2a3e50c9cd2f2a650bc1aea", "fa0ccd837e3dddb44c7db2f128a8bb7e4eabc21a" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Jan 29 08:51:56 2008 +1100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Jan 29 08:51:56 2008 +1100" }, "message": "Merge branch \u0027for-2.6.25\u0027 of git://git.kernel.dk/linux-2.6-block\n\n* \u0027for-2.6.25\u0027 of git://git.kernel.dk/linux-2.6-block:\n block: implement drain buffers\n __bio_clone: don\u0027t calculate hw/phys segment counts\n block: allow queue dma_alignment of zero\n blktrace: Add blktrace ioctls to SCSI generic devices\n" }, { "commit": "f0f0052069989b80d2a3e50c9cd2f2a650bc1aea", "tree": "40ff39bc341aed8318a54d1bd61a381f41844f71", "parents": [ "68fbda7de07e56eb90dd6e58a162527411b388b1", "a65b58663d983e588aed8d1bfc75edaac2527fa7" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Jan 29 08:51:32 2008 +1100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Jan 29 08:51:32 2008 +1100" }, "message": "Merge branch \u0027blk-end-request\u0027 of git://git.kernel.dk/linux-2.6-block\n\n* \u0027blk-end-request\u0027 of git://git.kernel.dk/linux-2.6-block: (30 commits)\n blk_end_request: changing xsysace (take 4)\n blk_end_request: changing ub (take 4)\n blk_end_request: cleanup of request completion (take 4)\n blk_end_request: cleanup \u0027uptodate\u0027 related code (take 4)\n blk_end_request: remove/unexport end_that_request_* (take 4)\n blk_end_request: changing scsi (take 4)\n blk_end_request: add bidi completion interface (take 4)\n blk_end_request: changing ide-cd (take 4)\n blk_end_request: add callback feature (take 4)\n blk_end_request: changing ide normal caller (take 4)\n blk_end_request: changing cpqarray (take 4)\n blk_end_request: changing cciss (take 4)\n blk_end_request: changing ide-scsi (take 4)\n blk_end_request: changing s390 (take 4)\n blk_end_request: changing mmc (take 4)\n blk_end_request: changing i2o_block (take 4)\n blk_end_request: changing viocd (take 4)\n blk_end_request: changing xen-blkfront (take 4)\n blk_end_request: changing viodasd (take 4)\n blk_end_request: changing sx8 (take 4)\n ...\n" }, { "commit": "febffd61816ef6d4f84189468c1d47f1df55921e", "tree": "96654c4e1d41bd3f4d5f685eee7dd0a3505e7092", "parents": [ "0871714e08fed7ba66cadad11b2e4f85a9dc9b96" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 13:19:43 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 13:19:43 2008 +0100" }, "message": "cfq-iosched: kill some big inlines\n\nUse of inlines were a bit over the top, trim them down a bit.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "0871714e08fed7ba66cadad11b2e4f85a9dc9b96", "tree": "3b0bcb433294bb144b778ae97296ad4d8626ad47", "parents": [ "fadad878cc0640cc9cd5569998bf54b693f7b38b" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 11:38:15 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 11:38:15 2008 +0100" }, "message": "cfq-iosched: relax IOPRIO_CLASS_IDLE restrictions\n\nCurrently you must be root to set idle io prio class on a process. This\nis due to the fact that the idle class is implemented as a true idle\nclass, meaning that it will not make progress if someone else is\nrequesting disk access. Unfortunately this means that it opens DOS\nopportunities by locking down file system resources, hence it is root\nonly at the moment.\n\nThis patch relaxes the idle class a little, by removing the truly idle\npart (which entals a grace period with associated timer). The\nmodifications make the idle class as close to zero impact as can be done\nwhile still guarenteeing progress. This means we can relax the root only\ncriteria as well.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "fa0ccd837e3dddb44c7db2f128a8bb7e4eabc21a", "tree": "ade071502f3e7cba423295890d828f0f301ad731", "parents": [ "5d84070ee0a433620c57e85dac7f82faaec5fbb3" ], "author": { "name": "James Bottomley", "email": "James.Bottomley@HansenPartnership.com", "time": "Thu Jan 10 11:30:36 2008 -0600" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:54:11 2008 +0100" }, "message": "block: implement drain buffers\n\nThese DMA drain buffer implementations in drivers are pretty horrible\nto do in terms of manipulating the scatterlist. Plus they\u0027re being\ndone at least in drivers/ide and drivers/ata, so we now have code\nduplication.\n\nThe one use case for this, as I understand it is AHCI controllers doing\nPIO mode to mmc devices but translating this to DMA at the controller\nlevel.\n\nSo, what about adding a callback to the block layer that permits the\nadding of the drain buffer for the problem devices. The idea is that\nyou\u0027d do this in slave_configure after you find one of these devices.\n\nThe beauty of doing it in the block layer is that it quietly adds the\ndrain buffer to the end of the sg list, so it automatically gets mapped\n(and unmapped) without anything unusual having to be done to the\nscatterlist in driver/scsi or drivers/ata and without any alteration to\nthe transfer length.\n\nSigned-off-by: James Bottomley \u003cJames.Bottomley@HansenPartnership.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "521f3bbdba6b92582ef8047df01b156668343542", "tree": "5984f76e395b10cc2463eae35c575d1b4aad13ce", "parents": [ "4ac845a2e9a816ed5a7b301f56dcc0a3d0b1ba4d" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 21 20:03:12 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:50:35 2008 +0100" }, "message": "io_context sharing - anticipatory changes\n\nchanges to anticipatory io scheduler for io_context sharing\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "4ac845a2e9a816ed5a7b301f56dcc0a3d0b1ba4d", "tree": "602f15808d0f3dcdfcd7cc4491b2cc2ccd266fd2", "parents": [ "66dac98ed0de7a1125fb0dd7907f238f6b9d2f60" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Thu Jan 24 08:44:49 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:50:33 2008 +0100" }, "message": "block: cfq: make the io contect sharing lockless\n\nThe io context sharing introduced a per-ioc spinlock, that would protect\nthe cfq io context lookup. That is a regression from the original, since\nwe never needed any locking there because the ioc/cic were process private.\n\nThe cic lookup is changed from an rbtree construct to a radix tree, which\nwe can then use RCU to make the reader side lockless. That is the performance\ncritical path, modifying the radix tree is only done on process creation\n(when that process first does IO, actually) and on process exit (if that\nprocess has done IO).\n\nAs it so happens, radix trees are also much faster for this type of\nlookup where the key is a pointer. It\u0027s a very sparse tree.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "66dac98ed0de7a1125fb0dd7907f238f6b9d2f60", "tree": "321184ce78e41f2cf25c3154fe320dd5504f57bc", "parents": [ "d38ecf935fcb10264a6bc190855d9595165e6eeb" ], "author": { "name": "Nikanth Karthikesan", "email": "KNikanth@novell.com", "time": "Tue Nov 27 12:47:04 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:50:32 2008 +0100" }, "message": "io_context sharing - cfq changes\n\nchanges in the cfq for io_context sharing\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "d38ecf935fcb10264a6bc190855d9595165e6eeb", "tree": "64e3146ef76678ad3ae8f75c32df9f25ea470953", "parents": [ "fd0928df98b9578be8a786ac0cb78a47a5e17a20" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Thu Jan 24 08:53:35 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:50:31 2008 +0100" }, "message": "io context sharing: preliminary support\n\nDetach task state from ioc, instead keep track of how many processes\nare accessing the ioc.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "fd0928df98b9578be8a786ac0cb78a47a5e17a20", "tree": "70a34cf207bea1bec28e59cf0dba7d20e7f8b0f1", "parents": [ "91525300baf162e83e923b09ca286f9205e21522" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Thu Jan 24 08:52:45 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:50:29 2008 +0100" }, "message": "ioprio: move io priority from task_struct to io_context\n\nThis is where it belongs and then it doesn\u0027t take up space for a\nprocess that doesn\u0027t do IO.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "b8286239ddaf2632cec65c01e68a403ac4c3d079", "tree": "fe8b8ac09d103612525566d5851907a09f99594f", "parents": [ "5450d3e1d68f10be087f0855d8bad5458b50ecbe" ], "author": { "name": "Kiyoshi Ueda", "email": "k-ueda@ct.jp.nec.com", "time": "Tue Dec 11 17:53:24 2007 -0500" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:37:15 2008 +0100" }, "message": "blk_end_request: cleanup of request completion (take 4)\n\nThis patch merges complete_request() into end_that_request_last()\nfor cleanup.\n\ncomplete_request() was introduced by earlier part of this patch-set,\nnot to break the existing users of end_that_request_last().\n\nSince all users are converted to blk_end_request interfaces and\nend_that_request_last() is no longer exported, the code can be\nmerged to end_that_request_last().\n\nCc: Boaz Harrosh \u003cbharrosh@panasas.com\u003e\nSigned-off-by: Kiyoshi Ueda \u003ck-ueda@ct.jp.nec.com\u003e\nSigned-off-by: Jun\u0027ichi Nomura \u003cj-nomura@ce.jp.nec.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "5450d3e1d68f10be087f0855d8bad5458b50ecbe", "tree": "400126ac131621229c49c549f27838fcf3a263e7", "parents": [ "3bcddeac1c4c7e6fb90531b80f236b1a05dfe514" ], "author": { "name": "Kiyoshi Ueda", "email": "k-ueda@ct.jp.nec.com", "time": "Tue Dec 11 17:53:03 2007 -0500" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:37:13 2008 +0100" }, "message": "blk_end_request: cleanup \u0027uptodate\u0027 related code (take 4)\n\nThis patch converts \u0027uptodate\u0027 arguments of no longer exported\ninterfaces, end_that_request_first/last, to \u0027error\u0027, and removes\ninternal conversions for it in blk_end_request interfaces.\n\nAlso, this patch removes no longer needed end_io_error().\n\nCc: Boaz Harrosh \u003cbharrosh@panasas.com\u003e\nSigned-off-by: Kiyoshi Ueda \u003ck-ueda@ct.jp.nec.com\u003e\nSigned-off-by: Jun\u0027ichi Nomura \u003cj-nomura@ce.jp.nec.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "3bcddeac1c4c7e6fb90531b80f236b1a05dfe514", "tree": "68e1f33b8176ff00552b1df92d16c23c28b0ecf2", "parents": [ "610d8b0c972e3b75493efef8e96175518fd736d3" ], "author": { "name": "Kiyoshi Ueda", "email": "k-ueda@ct.jp.nec.com", "time": "Tue Dec 11 17:52:28 2007 -0500" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:37:12 2008 +0100" }, "message": "blk_end_request: remove/unexport end_that_request_* (take 4)\n\nThis patch removes the following functions:\n o end_that_request_first()\n o end_that_request_chunk()\nand stops exporting the functions below:\n o end_that_request_last()\n\nCc: Boaz Harrosh \u003cbharrosh@panasas.com\u003e\nSigned-off-by: Kiyoshi Ueda \u003ck-ueda@ct.jp.nec.com\u003e\nSigned-off-by: Jun\u0027ichi Nomura \u003cj-nomura@ce.jp.nec.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "e3a04fe34a3ec81ddeddb6c73fb7299716cffbb0", "tree": "080d1ec1cc3d78b3aef4e95f5334f5b4c3da3498", "parents": [ "aaa04c28cb9a1efd42541fdb7ab648231c2a2263" ], "author": { "name": "Kiyoshi Ueda", "email": "k-ueda@ct.jp.nec.com", "time": "Tue Dec 11 17:51:46 2007 -0500" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:37:08 2008 +0100" }, "message": "blk_end_request: add bidi completion interface (take 4)\n\nThis patch adds a variant of the interface, blk_end_bidi_request(),\nwhich completes a bidi request.\n\nBidi request must be completed as a whole, both rq and rq-\u003enext_rq\nat once. So the interface has 2 arguments for completion size.\n\nAs for -\u003eend_io, only rq-\u003eend_io is called (rq-\u003enext_rq-\u003eend_io is not\ncalled). So if special completion handling is needed, the handler\nmust be set to rq-\u003eend_io.\nAnd the handler must take care of freeing next_rq too, since\nthe interface doesn\u0027t care of it if rq-\u003eend_io is not NULL.\n\nCc: Boaz Harrosh \u003cbharrosh@panasas.com\u003e\nSigned-off-by: Kiyoshi Ueda \u003ck-ueda@ct.jp.nec.com\u003e\nSigned-off-by: Jun\u0027ichi Nomura \u003cj-nomura@ce.jp.nec.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "e19a3ab058fe91c8c54d43dc56dccf7eb386478e", "tree": "f62d5af2338484e8a3eec1dc453dec4f949024a7", "parents": [ "5e36bb6ee8d5ff6c6114b60d2aaa1c70d4275f4e" ], "author": { "name": "Kiyoshi Ueda", "email": "k-ueda@ct.jp.nec.com", "time": "Tue Dec 11 17:51:02 2007 -0500" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:37:04 2008 +0100" }, "message": "blk_end_request: add callback feature (take 4)\n\nThis patch adds a variant of the interface, blk_end_request_callback(),\nwhich has driver callback feature.\n\nDrivers may need to do special works between end_that_request_first()\nand end_that_request_last().\nFor such drivers, blk_end_request_callback() allows it to pass\na callback function which is called between end_that_request_first()\nand end_that_request_last().\n\nThis interface is only for fallback of other blk_end_request interfaces.\nDrivers should avoid their tricky behaviors and use other interfaces\nas much as possible.\n\nCurrently, only one driver, ide-cd, needs this interface.\nSo this interface should/will be removed, after the driver removes\nsuch tricky behaviors.\n\no ide-cd (cdrom_newpc_intr())\n In PIO mode, cdrom_newpc_intr() needs to defer end_that_request_last()\n until the device clears DRQ_STAT and raises an interrupt after\n end_that_request_first().\n So end_that_request_first() and end_that_request_last() are called\n separately in cdrom_newpc_intr().\n\n This means blk_end_request_callback() has to return without\n completing request even if no leftover in the request.\n To satisfy the requirement, callback function has return value\n so that drivers can tell blk_end_request_callback() to return\n without completing request.\n\nSigned-off-by: Kiyoshi Ueda \u003ck-ueda@ct.jp.nec.com\u003e\nSigned-off-by: Jun\u0027ichi Nomura \u003cj-nomura@ce.jp.nec.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "9e6e39f2c478fff2e9d3430cdfe6730877942ed6", "tree": "b01b289b331ff899393afcd4651fa75aaec19e1c", "parents": [ "3b11313a6c2a42425bf06e92528bda6affd58dec" ], "author": { "name": "Kiyoshi Ueda", "email": "k-ueda@ct.jp.nec.com", "time": "Tue Dec 11 17:41:54 2007 -0500" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:35:57 2008 +0100" }, "message": "blk_end_request: changing block layer core (take 4)\n\nThis patch converts core parts of block layer to use blk_end_request\ninterfaces. Related \u0027uptodate\u0027 arguments are converted to \u0027error\u0027.\n\n\u0027dequeue\u0027 argument was originally introduced for end_dequeued_request(),\nwhere no attempt should be made to dequeue the request as it\u0027s already\ndequeued.\nHowever, it\u0027s not necessary as it can be checked with\nlist_empty(\u0026rq-\u003equeuelist).\n(Dequeued request has empty list and queued request doesn\u0027t.)\nAnd it has been done in blk_end_request interfaces.\n\nAs a result of this patch, end_queued_request() and\nend_dequeued_request() become identical. A future patch will merge\nand rename them and change users of those functions.\n\nSigned-off-by: Kiyoshi Ueda \u003ck-ueda@ct.jp.nec.com\u003e\nSigned-off-by: Jun\u0027ichi Nomura \u003cj-nomura@ce.jp.nec.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "3b11313a6c2a42425bf06e92528bda6affd58dec", "tree": "c2d550b2954c106387f1ebe6badb387603002202", "parents": [ "336cdb4003200a90f4fc52a4e9ccc2baa570fffb" ], "author": { "name": "Kiyoshi Ueda", "email": "k-ueda@ct.jp.nec.com", "time": "Tue Dec 11 17:41:17 2007 -0500" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:35:56 2008 +0100" }, "message": "blk_end_request: add/export functions to get request size (take 4)\n\nThis patch adds/exports functions to get the size of request in bytes.\nThey are useful because blk_end_request interfaces take bytes\nas a completed I/O size instead of sectors.\n\nSigned-off-by: Kiyoshi Ueda \u003ck-ueda@ct.jp.nec.com\u003e\nSigned-off-by: Jun\u0027ichi Nomura \u003cj-nomura@ce.jp.nec.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "336cdb4003200a90f4fc52a4e9ccc2baa570fffb", "tree": "dcb7f736738232c0e853a1ba796ca35d5b18c503", "parents": [ "91525300baf162e83e923b09ca286f9205e21522" ], "author": { "name": "Kiyoshi Ueda", "email": "k-ueda@ct.jp.nec.com", "time": "Tue Dec 11 17:40:30 2007 -0500" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:35:53 2008 +0100" }, "message": "blk_end_request: add new request completion interface (take 4)\n\nThis patch adds 2 new interfaces for request completion:\n o blk_end_request() : called without queue lock\n o __blk_end_request() : called with queue lock held\n\nblk_end_request takes \u0027error\u0027 as an argument instead of \u0027uptodate\u0027,\nwhich current end_that_request_* take.\nThe meanings of values are below and the value is used when bio is\ncompleted.\n 0 : success\n \u003c 0 : error\n\nSome device drivers call some generic functions below between\nend_that_request_{first/chunk} and end_that_request_last().\n o add_disk_randomness()\n o blk_queue_end_tag()\n o blkdev_dequeue_request()\nThese are called in the blk_end_request interfaces as a part of\ngeneric request completion.\nSo all device drivers become to call above functions.\nTo decide whether to call blkdev_dequeue_request(), blk_end_request\nuses list_empty(\u0026rq-\u003equeuelist) (blk_queued_rq() macro is added for it).\nSo drivers must re-initialize it using list_init() or so before calling\nblk_end_request if drivers use it for its specific purpose.\n(Currently, there is no driver which completes request without\n re-initializing the queuelist after used it. So rq-\u003equeuelist\n can be used for the purpose above.)\n\n\"Normal\" drivers can be converted to use blk_end_request()\nin a standard way shown below.\n\n a) end_that_request_{chunk/first}\n spin_lock_irqsave()\n (add_disk_randomness(), blk_queue_end_tag(), blkdev_dequeue_request())\n end_that_request_last()\n spin_unlock_irqrestore()\n \u003d\u003e blk_end_request()\n\n b) spin_lock_irqsave()\n end_that_request_{chunk/first}\n (add_disk_randomness(), blk_queue_end_tag(), blkdev_dequeue_request())\n end_that_request_last()\n spin_unlock_irqrestore()\n \u003d\u003e spin_lock_irqsave()\n __blk_end_request()\n spin_unlock_irqsave()\n\n c) spin_lock_irqsave()\n (add_disk_randomness(), blk_queue_end_tag(), blkdev_dequeue_request())\n end_that_request_last()\n spin_unlock_irqrestore()\n \u003d\u003e blk_end_request() or spin_lock_irqsave()\n __blk_end_request()\n spin_unlock_irqrestore()\n\nSigned-off-by: Kiyoshi Ueda \u003ck-ueda@ct.jp.nec.com\u003e\nSigned-off-by: Jun\u0027ichi Nomura \u003cj-nomura@ce.jp.nec.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "6da127ad0918f93ea93678dad62ce15ffed18797", "tree": "b2bf9ad228f18c643342ad376136d2f6b4be4137", "parents": [ "91525300baf162e83e923b09ca286f9205e21522" ], "author": { "name": "Christof Schmitt", "email": "christof.schmitt@de.ibm.com", "time": "Fri Jan 11 10:09:43 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Jan 28 10:04:46 2008 +0100" }, "message": "blktrace: Add blktrace ioctls to SCSI generic devices\n\nSince the SCSI layer uses the request queues from the block layer, blktrace can\nalso be used to trace the requests to all SCSI devices (like SCSI tape drives),\nnot only disks. The only missing part is the ioctl interface to start and stop\ntracing.\n\nThis patch adds the SETUP, START, STOP and TEARDOWN ioctls from blktrace to the\nsg device files. With this change, blktrace can be used for SCSI devices like\nfor disks, e.g.: blktrace -d /dev/sg1 -o - | blkparse -i -\n\nSigned-off-by: Christof Schmitt \u003cchristof.schmitt@de.ibm.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "9b73e76f3cf63379dcf45fcd4f112f5812418d0a", "tree": "4e6bef87cd0cd6d848fc39a5ae25b981dbbe035b", "parents": [ "50d9a126240f9961cfdd063336bbeb91f77a7dce", "23c3e290fb9ce38cabc2822b47583fc8702411bf" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jan 25 17:19:08 2008 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jan 25 17:19:08 2008 -0800" }, "message": "Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6\n\n* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (200 commits)\n [SCSI] usbstorage: use last_sector_bug flag universally\n [SCSI] libsas: abstract STP task status into a function\n [SCSI] ultrastor: clean up inline asm warnings\n [SCSI] aic7xxx: fix firmware build\n [SCSI] aacraid: fib context lock for management ioctls\n [SCSI] ch: remove forward declarations\n [SCSI] ch: fix device minor number management bug\n [SCSI] ch: handle class_device_create failure properly\n [SCSI] NCR5380: fix section mismatch\n [SCSI] sg: fix /proc/scsi/sg/devices when no SCSI devices\n [SCSI] IB/iSER: add logical unit reset support\n [SCSI] don\u0027t use __GFP_DMA for sense buffers if not required\n [SCSI] use dynamically allocated sense buffer\n [SCSI] scsi.h: add macro for enclosure bit of inquiry data\n [SCSI] sd: add fix for devices with last sector access problems\n [SCSI] fix pcmcia compile problem\n [SCSI] aacraid: add Voodoo Lite class of cards.\n [SCSI] aacraid: add new driver features flags\n [SCSI] qla2xxx: Update version number to 8.02.00-k7.\n [SCSI] qla2xxx: Issue correct MBC_INITIALIZE_FIRMWARE command.\n ...\n" }, { "commit": "f9cb074bff8e762ef24c44678a5a7d907f82fbeb", "tree": "50438fc90b8f6170dd8eb5d43712c61719a16304", "parents": [ "e1543ddf739b22a8c4218716ad50c26b3e147403" ], "author": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Mon Dec 17 23:05:35 2007 -0700" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Thu Jan 24 20:40:38 2008 -0800" }, "message": "Kobject: rename kobject_init_ng() to kobject_init()\n\nNow that the old kobject_init() function is gone, rename\nkobject_init_ng() to kobject_init() to clean up the namespace.\n\nCc: Kay Sievers \u003ckay.sievers@vrfy.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n\n" }, { "commit": "b2d6db5878a0832659ed58476357eea2db915550", "tree": "c7c9e98431078ca7b0405e8003bd905ab62df7c4", "parents": [ "9e7bbccd0290e720e0874443932869c55f63d5a8" ], "author": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Mon Dec 17 23:05:35 2007 -0700" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Thu Jan 24 20:40:38 2008 -0800" }, "message": "Kobject: rename kobject_add_ng() to kobject_add()\n\nNow that the old kobject_add() function is gone, rename kobject_add_ng()\nto kobject_add() to clean up the namespace.\n\nCc: Kay Sievers \u003ckay.sievers@vrfy.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n\n" }, { "commit": "d5a379f77bc79c0a78b26f8c0159f55c8b11d68b", "tree": "36814a65e6bae96787137e06e8c56679fe66a725", "parents": [ "29e3dd0df1b9556170ce90484a9d1a2ff9104ea7" ], "author": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Mon Dec 17 23:05:35 2007 -0700" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Thu Jan 24 20:40:36 2008 -0800" }, "message": "Kobject: convert block/ll_rw_blk.c to use kobject_init/add_ng()\n\nThis converts the code to use the new kobject functions, cleaning up the\nlogic in doing so.\n\nCc: Jens Axboe \u003caxboe@kernel.dk\u003e\nCc: Kay Sievers \u003ckay.sievers@vrfy.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n" }, { "commit": "29e3dd0df1b9556170ce90484a9d1a2ff9104ea7", "tree": "63552639fe2c05e96fdc5a02f234b10ec78866f5", "parents": [ "edfaa7c36574f1bf09c65ad602412db9da5f96bf" ], "author": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Mon Dec 17 23:05:35 2007 -0700" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Thu Jan 24 20:40:36 2008 -0800" }, "message": "Kobject: convert block/elevator.c to use kobject_init/add_ng()\n\nThis converts the code to use the new kobject functions, cleaning up the\nlogic in doing so.\n\nCc: Jens Axboe \u003caxboe@kernel.dk\u003e\nCc: Kay Sievers \u003ckay.sievers@vrfy.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n\n" }, { "commit": "edfaa7c36574f1bf09c65ad602412db9da5f96bf", "tree": "d591b80ff9229e4845e41d68e2f4c5aadb017027", "parents": [ "09f82ea92822a7bbb7e816508abbda47ed54a77f" ], "author": { "name": "Kay Sievers", "email": "kay.sievers@vrfy.org", "time": "Mon May 21 22:08:01 2007 +0200" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Thu Jan 24 20:40:36 2008 -0800" }, "message": "Driver core: convert block from raw kobjects to core devices\n\nThis moves the block devices to /sys/class/block. It will create a\nflat list of all block devices, with the disks and partitions in one\ndirectory. For compatibility /sys/block is created and contains symlinks\nto the disks.\n\n /sys/class/block\n |-- sda -\u003e ../../devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda\n |-- sda1 -\u003e ../../devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda1\n |-- sda10 -\u003e ../../devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda10\n |-- sda5 -\u003e ../../devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda5\n |-- sda6 -\u003e ../../devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda6\n |-- sda7 -\u003e ../../devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda7\n |-- sda8 -\u003e ../../devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda8\n |-- sda9 -\u003e ../../devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda9\n `-- sr0 -\u003e ../../devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sr0\n\n /sys/block/\n |-- sda -\u003e ../devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda\n `-- sr0 -\u003e ../devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sr0\n\nSigned-off-by: Kay Sievers \u003ckay.sievers@vrfy.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n\n" }, { "commit": "830d3cfb16728e2496edc2985ad8f68025135e37", "tree": "11541c0ac058745a2ab4269b84669a8341ece7ce", "parents": [ "c60b71787982cefcf9fa09aa281fa8c4c685d557" ], "author": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Tue Nov 06 10:36:58 2007 -0800" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Thu Jan 24 20:40:23 2008 -0800" }, "message": "kset: convert block_subsys to use kset_create\n\nDynamically create the kset instead of declaring it statically. We also\nrename block_subsys to block_kset to catch all users of this symbol\nwith a build error instead of an easy-to-ignore build warning.\n\nCc: Kay Sievers \u003ckay.sievers@vrfy.org\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n\n" }, { "commit": "3514faca19a6fdc209734431c509631ea92b094e", "tree": "f6d102e6dec276f8e8d1044b47c74a02b901554f", "parents": [ "c11c4154e7ff4cebfadad849b1e22689d759c3f4" ], "author": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Tue Oct 16 10:11:44 2007 -0600" }, "committer": { "name": "Greg Kroah-Hartman", "email": "gregkh@suse.de", "time": "Thu Jan 24 20:40:10 2008 -0800" }, "message": "kobject: remove struct kobj_type from struct kset\n\nWe don\u0027t need a \"default\" ktype for a kset. We should set this\nexplicitly every time for each kset. This change is needed so that we\ncan make ksets dynamic, and cleans up one of the odd, undocumented\nassumption that the kset/kobject/ktype model has.\n\nThis patch is based on a lot of help from Kay Sievers.\n\nNasty bug in the block code was found by Dave Young\n\u003chidave.darkstar@gmail.com\u003e\n\nCc: Kay Sievers \u003ckay.sievers@vrfy.org\u003e\nCc: Dave Young \u003chidave.darkstar@gmail.com\u003e\nSigned-off-by: Greg Kroah-Hartman \u003cgregkh@suse.de\u003e\n\n" }, { "commit": "11c3e689f1c3a73e3af7b0ea767b1b0626da8033", "tree": "0f1d109897b13c9d0f86a3ba5af088596f728cdb", "parents": [ "166a72878f76e911f2d1ce4b2310d4403e94be11" ], "author": { "name": "James Bottomley", "email": "James.Bottomley@HansenPartnership.com", "time": "Mon Dec 31 16:37:00 2007 -0600" }, "committer": { "name": "James Bottomley", "email": "James.Bottomley@HansenPartnership.com", "time": "Fri Jan 11 18:29:20 2008 -0600" }, "message": "[SCSI] block: Introduce new blk_queue_update_dma_alignment interface\n\nThe purpose of this is to allow stacked alignment settings, with the\nultimate queue alignment being set to the largest alignment requirement\nin the stack.\n\nThe reason for this is so that the SCSI mid-layer can relax the default\nalignment requirements (which are basically causing a lot of superfluous\ncopying to go on in the SG_IO interface) while allowing transports,\ndevices or HBAs to add stricter limits if they need them.\n\nAcked-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\nSigned-off-by: James Bottomley \u003cJames.Bottomley@HansenPartnership.com\u003e\n" }, { "commit": "2d507a01dac338831266b44ccbb01c69e84606ed", "tree": "ec59ce6bc1ec86e93d1683107d41b5dbce0b370a", "parents": [ "2d4b63e1505b317d4253cee3f2970792ec6d41cb" ], "author": { "name": "James Bottomley", "email": "James.Bottomley@HansenPartnership.com", "time": "Sat Dec 29 10:59:53 2007 -0600" }, "committer": { "name": "James Bottomley", "email": "James.Bottomley@HansenPartnership.com", "time": "Fri Jan 11 18:29:13 2008 -0600" }, "message": "[SCSI] libsas, bsg: pass errors through correctly\n\nCurrently in BSG, errors returned in req-\u003eerrors aren\u0027t passed back to\nthe calling programme (either via SG_IO or via read/write). Fix this,\nwhile preserving the SCSI convention of returning status in\nreq-\u003eerrors.\n\nNow update libsas to return errors correctly instead of to ignore\nthem.\n\nAcked-by: FUJITA Tomonori \u003cfujita.tomonori@lab.ntt.co.jp\u003e\nSigned-off-by: James Bottomley \u003cJames.Bottomley@HansenPartnership.com\u003e\n" }, { "commit": "11a57153e3377ffdf8cfca2eda9a99063f66b957", "tree": "ae9090abda695fda0885b189aa234727f2c6e2b4", "parents": [ "2997c8c4a0b179e8b834a7f30ba4323f2c60ccf4" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Jan 11 13:37:01 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Jan 11 13:37:01 2008 +0100" }, "message": "blktrace: kill the unneeded initcall\n\nIt just inits the mutex, we can do that with DEFINE_MUTEX() instead.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "2997c8c4a0b179e8b834a7f30ba4323f2c60ccf4", "tree": "319fa1c24c380544233890d6ff480a181bf80e96", "parents": [ "a24eab1ed506f3e0bcbcd3f619558935549d4ace" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Jan 11 13:35:54 2008 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Jan 11 13:35:54 2008 +0100" }, "message": "block: fix blktrace timestamps\n\nDavid Dillow reported broken blktrace timestamps. The reason\nis cpu_clock() which is not a global time source.\n\nFix bkltrace timestamps by using ktime_get() like the networking\ncode does for packet timestamps. This also removes a whole lot\nof complexity from bkltrace.c and shrinks the code by 500 bytes:\n\n text data bss dec hex filename\n 2888 124 44 3056 bf0 blktrace.o.before\n 2390 116 44 2550 9f6 blktrace.o.after\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "2fdd82bd8852ec8ebad5c69c45138da25c6f9273", "tree": "ff701ec0a8909fa50b79763a49a4eaada5aa759e", "parents": [ "49565124b13bb16607e7f8fc8fb1d9c5c355a1a3" ], "author": { "name": "Adrian Bunk", "email": "bunk@kernel.org", "time": "Wed Dec 12 18:51:56 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Dec 18 08:29:28 2007 +0100" }, "message": "block: let elv_register() return void\n\nelv_register() always returns 0, and there isn\u0027t anything it does where\nit should return an error (the only error condition is so grave that\nit\u0027s handled with a BUG_ON).\n\nSigned-off-by: Adrian Bunk \u003cbunk@kernel.org\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "49565124b13bb16607e7f8fc8fb1d9c5c355a1a3", "tree": "47629c0533b9292f51cc9dc2f37d851e0913b727", "parents": [ "8896f3c039b0834ba695d154299b724ee5710b97" ], "author": { "name": "Aaron Carroll", "email": "aaronc@gelato.unsw.edu.au", "time": "Wed Dec 05 21:07:07 2007 +1100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Dec 18 08:29:28 2007 +0100" }, "message": "as-iosched: fix write batch start point\n\nNew write batches currently start from where the last one completed.\nWe have no idea where the head is after switching batches, so this\nmakes little sense. Instead, start the next batch from the request\nwith the earliest deadline in the hope that we avoid a deadline\nexpiry later on.\n\nSigned-off-by: Aaron Carroll \u003caaronc@gelato.unsw.edu.au\u003e\nAcked-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "8896f3c039b0834ba695d154299b724ee5710b97", "tree": "d6b42262bea00350d2a2facf914542606e795ae6", "parents": [ "24bb8fb99a062213424d3e88842eb07f693378be" ], "author": { "name": "Aaron Carroll", "email": "aaronc@gelato.unsw.edu.au", "time": "Wed Dec 05 21:06:50 2007 +1100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Dec 18 08:29:28 2007 +0100" }, "message": "as-iosched: fix incorrect comments\n\nTwo comments refer to deadlines applying to reads only. This is\nnot the case.\n\nSigned-off-by: Aaron Carroll \u003caaronc@gelato.unsw.edu.au\u003e\nAcked-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "24bb8fb99a062213424d3e88842eb07f693378be", "tree": "c9bce1eba2ab11ea06b89776f157fd4793169adc", "parents": [ "c63a1190368771b8207d86c4217ae4afdf1cbd5e" ], "author": { "name": "Tejun Heo", "email": "htejun@gmail.com", "time": "Wed Dec 05 21:28:24 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Dec 18 08:29:28 2007 +0100" }, "message": "block: use jiffies conversion functions in scsi_ioctl.c\n\nUse msecs_to_jiffies() and jiffies_to_msecs() in scsi_ioctl().\nSometimes callers use very large values for e.g. vendor specific media\nclear command and calculation can overflow.\n\nSigned-off-by: Tejun Heo \u003chtejun@gmail.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "7c9f29b128aab5ac95af553e8d8e0e372647f1d5", "tree": "816e62e0ca82f1464f6055d7fc02c44dcfcc7481", "parents": [ "05e5b136459b11cd9559370d5756719e08074fe0" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Nov 27 09:23:51 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Nov 27 09:23:51 2007 +0100" }, "message": "Revert \"ll_rw_blk: temporarily enable max_segments tweaking\"\n\nThis was a temporary debugging thing for sg chaining testing, revert\nit now as it has served its purpose.\n\nThis reverts commit 563063a808de6b2004d5b8a09ddcb6125481f4b2.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "c7674030e5eb83d9ba29318fb9b3ccedf84d583e", "tree": "cb11cd412c739d2cfcc5d4494ccb0ba8fc8f9920", "parents": [ "8c8d7214d1b35726e950db1f73317e28e827f1cd" ], "author": { "name": "Jerome Marchand", "email": "jmarchan@redhat.com", "time": "Fri Nov 23 09:17:53 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Nov 27 09:19:40 2007 +0100" }, "message": "block: Fix memory leak in alloc_disk_node()\n\nFix a memory leak in alloc_disk_node(). Don\u0027t forget to free \u0027dkstats\u0027 when the allocation of \u0027part\u0027 failed.\n\nSigned-off-by: Jerome Marchand \u003cjmarchan@redhat.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "35fc51e7a5056889421270c1fb63d8ec45fbccf4", "tree": "775462a1cc541b5442648343293f50263f5beb45", "parents": [ "8c27eba54970c6ebbb408186e5baa2274435e869" ], "author": { "name": "Aneesh Kumar K.V", "email": "aneesh.kumar@linux.vnet.ibm.com", "time": "Wed Nov 21 12:25:41 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Tue Nov 27 09:19:39 2007 +0100" }, "message": "blktrace: Make sure BLKTRACETEARDOWN does the full cleanup.\n\nif blktrace program segfault it will not be able\nto call BLKTRACETEARDOWN. Now if we run the blktrace\nagain that would result in a failure to create the\nblock/\u003cdevice\u003e debugfs directory.This will result\nin blk_remove_root() to be called which will set\nblk_tree_root to NULL. But the debugfs block dir\nstill exist because it contain subdirectory.\n\nNow if we try to fix it using BLKTRACETEARDOWN\nit won\u0027t work because blk_tree_root is NULL.\n\nFix the same.\n\nTested as below\n\nroot@qemu-image:/home/kvaneesh/blktrace# ./blktrace -d /dev/hdc\nSegmentation fault\nroot@qemu-image:/home/kvaneesh/blktrace# ./blktrace -d /dev/hdc\nBLKTRACESETUP: No such file or directory\nFailed to start trace on /dev/hdc\nroot@qemu-image:/home/kvaneesh/blktrace# ./blktrace -k /dev/hdc\nroot@qemu-image:/home/kvaneesh/blktrace# ./blktrace -d /dev/hdc\n\nSigned-off-by: Aneesh Kumar K.V \u003caneesh.kumar@linux.vnet.ibm.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "2ad8b1ef11c98c5603580878aebf9f1bc74129e4", "tree": "f7bdc2484513f6ffd174b1385bb216dcf97d2c78", "parents": [ "d85532ed284e63b5c56eaf2418f262822af60be4" ], "author": { "name": "Alan D. Brunelle", "email": "Alan.Brunelle@hp.com", "time": "Wed Nov 07 14:26:56 2007 -0500" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Nov 09 13:41:32 2007 +0100" }, "message": "Add UNPLUG traces to all appropriate places\n\nAdded blk_unplug interface, allowing all invocations of unplugs to result\nin a generated blktrace UNPLUG.\n\nSigned-off-by: Alan D. Brunelle \u003cAlan.Brunelle@hp.com\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "d85532ed284e63b5c56eaf2418f262822af60be4", "tree": "2c938f0ebe419ccc18632367c5c9d3f301fc9c36", "parents": [ "8578007065bd27ec077a74b5814f0fe4df040180" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Nov 09 12:52:45 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Nov 09 12:52:45 2007 +0100" }, "message": "block: fix requeue handling in blk_queue_invalidate_tags()\n\nCredit goes to juergen.kadidlo@exasol.com for diagnosing this issue\nand supplying the initial patch.\n\nblk_queue_invalidate_tags() must use the proper requeueing paths instead\nof open coding the re-add of the request, otherwise we bug out in rq\naccounting. Just switch to using blk_requeue_request(), that takes care\nof end-tag handling as well and also adds the blktrace REQUEUE notify\nevent that is also appropriate here.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "0e7be9edb9134f833278c381b6feabb54b875208", "tree": "a4eca4110f1b672f78191c8a8f92086b1b6ade7a", "parents": [ "b70c864d3ce706571d2f3cac1d35d4fba01d6072" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed Nov 07 13:51:35 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Wed Nov 07 13:51:35 2007 +0100" }, "message": "cfq_idle_class_timer: add paranoid checks for jiffies overflow\n\nIn theory, if the queue was idle long enough, cfq_idle_class_timer may have\na false (and very long) timeout because jiffies can wrap into the past wrt\n-\u003elast_end_request.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "b70c864d3ce706571d2f3cac1d35d4fba01d6072", "tree": "fbdab2c4ddf484e5344b8cc00e4bc24b6e443191", "parents": [ "2389d1ef172fc9df01f58265a436919d233fbc27" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Wed Nov 07 09:46:13 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Wed Nov 07 09:46:13 2007 +0100" }, "message": "cfq: fix IOPRIO_CLASS_IDLE delays\n\nAfter the fresh boot:\n\n\tionice -c3 -p $$\n\techo cfq \u003e\u003e /sys/block/XXX/queue/scheduler\n\tdd if\u003d/dev/XXX of\u003d/dev/null bs\u003d512 count\u003d1\n\nNow dd hangs in D state and the queue is completely stalled for approximately\nINITIAL_JIFFIES + CFQ_IDLE_GRACE jiffies. This is because cfq_init_queue()\nforgets to initialize cfq_data-\u003elast_end_request.\n\n(I guess this patch is not complete, overflow is still possible)\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "2389d1ef172fc9df01f58265a436919d233fbc27", "tree": "a59a1768a953ba27cf370c6634473679580c505d", "parents": [ "dbeeb816e805091e7cfc03baf36dc40b4adb2bbd" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Mon Nov 05 08:58:05 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Wed Nov 07 09:45:00 2007 +0100" }, "message": "cfq: fix IOPRIO_CLASS_IDLE accounting\n\nSpotted by Nick \u003cgentuu@gmail.com\u003e, hopefully can explain the second trace in\nhttp://bugzilla.kernel.org/show_bug.cgi?id\u003d9180.\n\nIf -\u003easync_idle_cfqq !\u003d NULL cfq_put_async_queues() puts it IOPRIO_BE_NR times\nin a loop. Fix this.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "b4f555081fdd27d13e6ff39d455d5aefae9d2c0c", "tree": "917acaae9556ad2c372d001bf786cfbcf8102684", "parents": [ "160acc2e899f26356bde92bc257253b7ca78f0c3", "51fd77bd9f512ab6cc9df0733ba1caaab89eb957" ], "author": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Sat Nov 03 12:43:36 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Sat Nov 03 12:43:36 2007 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.dk/linux-2.6-block\n\n* \u0027for-linus\u0027 of git://git.kernel.dk/linux-2.6-block:\n [BLOCK] Don\u0027t allow empty barriers to be passed down to queues that don\u0027t grok them\n dm: bounce_pfn limit added\n Deadline iosched: Fix batching fairness\n Deadline iosched: Reset batch for ordered requests\n Deadline iosched: Factor out finding latter reques\n" }, { "commit": "51fd77bd9f512ab6cc9df0733ba1caaab89eb957", "tree": "fcc46ec04cad61a724eebffeabbecea197abbd89", "parents": [ "5ec140e600b7d6624c657f008833f0e71bd5ef48" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Nov 02 08:49:08 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Fri Nov 02 08:49:08 2007 +0100" }, "message": "[BLOCK] Don\u0027t allow empty barriers to be passed down to queues that don\u0027t grok them\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "6f5d8aa6382eef2b26032c88656270bdae7f0c42", "tree": "6ee855ce6e8b0eb8cb04d41579ac11cb25a92759", "parents": [ "dfb3d72a9aa519672c9ae06f0d2f93eccb35482f" ], "author": { "name": "Aaron Carroll", "email": "aaronc@gelato.unsw.edu.au", "time": "Tue Oct 30 10:40:13 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "axboe@carl.home.kernel.dk", "time": "Fri Nov 02 08:47:25 2007 +0100" }, "message": "Deadline iosched: Fix batching fairness\n\nAfter switching data directions, deadline always starts the next batch\nfrom the lowest-sector request. This gives excessive deadline expiries\nand large latency and throughput disparity between high- and low-sector\nrequests; an order of magnitude in some tests.\n\nThis patch changes the batching behaviour so new batches start from the\nrequest whose expiry is earliest.\n\nSigned-off-by: Aaron Carroll \u003caaronc@gelato.unsw.edu.au\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "dfb3d72a9aa519672c9ae06f0d2f93eccb35482f", "tree": "d6ec7e9b0e0ddbfa1acf59819caca071b1e1f29c", "parents": [ "5d1a536621403b442eef60ddd35e6b7a46fb04b7" ], "author": { "name": "Aaron Carroll", "email": "aaronc@gelato.unsw.edu.au", "time": "Tue Oct 30 10:40:13 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "axboe@carl.home.kernel.dk", "time": "Fri Nov 02 08:47:25 2007 +0100" }, "message": "Deadline iosched: Reset batch for ordered requests\n\nThe deadline I/O scheduler does not reset the batch count when starting\na new batch at a higher-sectored request. This means the second and\nsubsequent batch in the same data direction will never exceed a single\nrequest in size whenever higher-sectored requests are pending.\n\nThis patch gives new batches in the same data direction as old ones\ntheir full quota of requests by resetting the batch count.\n\nSigned-off-by: Aaron Carroll \u003caaronc@gelato.unsw.edu.au\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "5d1a536621403b442eef60ddd35e6b7a46fb04b7", "tree": "030f15afc505ce86653e338ce4f734a995dbb6b8", "parents": [ "54866f032307063776b4eff7eadb131d47f9f9b4" ], "author": { "name": "Aaron Carroll", "email": "aaronc@gelato.unsw.edu.au", "time": "Tue Oct 30 10:40:12 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "axboe@carl.home.kernel.dk", "time": "Fri Nov 02 08:47:25 2007 +0100" }, "message": "Deadline iosched: Factor out finding latter reques\n\nFactor finding the next request in sector-sorted order into\na function deadline_latter_request.\n\nSigned-off-by: Aaron Carroll \u003caaronc@gelato.unsw.edu.au\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "c46f2334c84c2b26baa64d42d75ddc5fab38c3dc", "tree": "4d7800effffe61bd3eaeae8f13e44466e4818b36", "parents": [ "87ae9afdcada236d0a1b38ce2c465a65916961dc" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Wed Oct 31 12:06:37 2007 +0100" }, "committer": { "name": "Jens Axboe", "email": "axboe@carl.home.kernel.dk", "time": "Fri Nov 02 08:47:06 2007 +0100" }, "message": "[SG] Get rid of __sg_mark_end()\n\nsg_mark_end() overwrites the page_link information, but all users want\n__sg_mark_end() behaviour where we just set the end bit. That is the most\nnatural way to use the sg list, since you\u0027ll fill it in and then mark the\nend point.\n\nSo change sg_mark_end() to only set the termination bit. Add a sg_magic\ndebug check as well, and clear a chain pointer if it is set.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "33013a881104304fcffe817f17f22a1588908037", "tree": "4ccce57cafb3622d9f23bcc2c96f60d33a558890", "parents": [ "6eca9004dfcb274a502438a591df5b197690afb1" ], "author": { "name": "Philip Langdale", "email": "philipl@overt.org", "time": "Sat Oct 27 13:34:10 2007 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Oct 29 11:33:06 2007 +0100" }, "message": "compat_ioctl: fix block device compat ioctl regression\n\nThe conversion of handlers to compat_blkdev_ioctl accidentally\ndisabled handling of most ioctl numbers on block devices because\nof a typo. Fix the one line to enable it all again.\n\nSigned-off-by: Arnd Bergmann \u003carnd@arndb.de\u003e\nSigned-off-by: Jens Axboe \u003caxboe@carl.home.kernel.dk\u003e\n" }, { "commit": "6eca9004dfcb274a502438a591df5b197690afb1", "tree": "fd281ef7c016fbae03e2a27e42a53efd37c3ec63", "parents": [ "3a424f2d56613acfb9e583ec9c85a2be3e3af028" ], "author": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Thu Oct 25 10:14:47 2007 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Oct 29 11:33:06 2007 +0100" }, "message": "[BLOCK] Fix bad sharing of tag busy list on queues with shared tag maps\n\nFor the locking to work, only the tag map and tag bit map may be shared\n(incidentally, I was just explaining this to Nick yesterday, but I\napparently didn\u0027t review the code well enough myself). But we also share\nthe busy list! The busy_list must be queue private, or we need a\nblock_queue_tag covering lock as well.\n\nSo we have to move the busy_list to the queue. This\u0027ll work fine, and\nit\u0027ll actually also fix a problem with blk_queue_invalidate_tags() which\nwill invalidate tags across all shared queues. This is a bit confusing,\nthe low level driver should call it for each queue seperately since\notherwise you cannot kill tags on just a single queue for eg a hard\ndrive that stops responding. Since the function has no callers\ncurrently, it\u0027s not an issue.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "adb4ddbbfb90c302e78da68b3f015588ca45d7f3", "tree": "48f9763a7472ebc93ef7b1b158094fc624161401", "parents": [ "bd4f36d6da175ed51840fe07b8906951c4dea609" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Wed Oct 24 10:54:38 2007 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Oct 29 11:33:06 2007 +0100" }, "message": "block: use lock bitops for the tag map.\n\nThe block queue tag map can use lock bitops.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" }, { "commit": "0a0836a09ca7a27341703ef154c82e2e7f3e96f4", "tree": "d4fb7c2a848e7160945405dd3d1bdcf9ae6efd33", "parents": [ "abbeb88d00bef294ce661a9229c1dc31be064545" ], "author": { "name": "Oleg Nesterov", "email": "oleg@tv-sign.ru", "time": "Tue Oct 23 15:08:21 2007 +0200" }, "committer": { "name": "Jens Axboe", "email": "jens.axboe@oracle.com", "time": "Mon Oct 29 11:33:05 2007 +0100" }, "message": "cfq_get_queue: fix possible NULL pointer access\n\ncfq_get_queue()-\u003ecfq_find_alloc_queue() can fail, check the returned value.\n\nSigned-off-by: Oleg Nesterov \u003coleg@tv-sign.ru\u003e\n\nNote that this isn\u0027t a bug at the moment, since the regular IO path\ndoes not call this path without __GFP_WAIT set. However, it could be a\nfuture bug, so I\u0027ve applied it.\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n" } ], "next": "abbeb88d00bef294ce661a9229c1dc31be064545" }