)]}'
{
  "log": [
    {
      "commit": "5a0143a4f00517ea433bf459a80742ccc623a665",
      "tree": "8fa567ed44259489d4f30259f571f0a520c05f6b",
      "parents": [
        "ab7e2dbf9b5da4d4eb4fdb019cc8881fbeb1299b"
      ],
      "author": {
        "name": "Jan Kara",
        "email": "jack@suse.cz",
        "time": "Thu Jul 28 17:47:10 2011 +0200"
      },
      "committer": {
        "name": "Jan Kara",
        "email": "jack@suse.cz",
        "time": "Wed Aug 17 11:41:20 2011 +0200"
      },
      "message": "ext3: Remove i_mutex from ext3_sync_file()\n\next3_sync_file() does not need i_mutex for anything so just drop it.\n\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\n"
    },
    {
      "commit": "2ac232f37fa0e8551856a575fe299c47b65b4d66",
      "tree": "58ff15ecdbc383415a82ea678e5191db16a479f3",
      "parents": [
        "fa8f53ace4af9470d8414427cb3dc3c0ffc4f182",
        "5cf49d763eb141d236e92be6d4a0dc94e31fa886"
      ],
      "author": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Tue Jul 26 11:34:40 2011 -0700"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Tue Jul 26 11:34:40 2011 -0700"
      },
      "message": "Merge branch \u0027for_linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6\n\n* \u0027for_linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:\n  jbd: change the field \"b_cow_tid\" of struct journal_head from type unsigned to tid_t\n  ext3.txt: update the links in the section \"useful links\" to the latest ones\n  ext3: Fix data corruption in inodes with journalled data\n  ext2: check xattr name_len before acquiring xattr_sem in ext2_xattr_get\n  ext3: Fix compilation with -DDX_DEBUG\n  quota: Remove unused declaration\n  jbd: Use WRITE_SYNC in journal checkpoint.\n  jbd: Fix oops in journal_remove_journal_head()\n  ext3: Return -EINVAL when start is beyond the end of fs in ext3_trim_fs()\n  ext3/ioctl.c: silence sparse warnings about different address spaces\n  ext3/ext4 Documentation: remove bh/nobh since it has been deprecated\n  ext3: Improve truncate error handling\n  ext3: use proper little-endian bitops\n  ext2: include fs.h into ext2_fs.h\n  ext3: Fix oops in ext3_try_to_allocate_with_rsv()\n  jbd: fix a bug of leaking jh-\u003eb_jcount\n  jbd: remove dependency on __GFP_NOFAIL\n  ext3: Convert ext3 to new truncate calling convention\n  jbd: Add fixed tracepoints\n  ext3: Add fixed tracepoints\n\nResolve conflicts in fs/ext3/fsync.c due to fsync locking push-down and\nnew fixed tracepoints.\n"
    },
    {
      "commit": "02c24a82187d5a628c68edfe71ae60dc135cd178",
      "tree": "c8dbaba4d82e2b20ed4335910a564a1f7d90fcf6",
      "parents": [
        "22735068d53c7115e384bc88dea95b17e76a6839"
      ],
      "author": {
        "name": "Josef Bacik",
        "email": "josef@redhat.com",
        "time": "Sat Jul 16 20:44:56 2011 -0400"
      },
      "committer": {
        "name": "Al Viro",
        "email": "viro@zeniv.linux.org.uk",
        "time": "Wed Jul 20 20:47:59 2011 -0400"
      },
      "message": "fs: push i_mutex and filemap_write_and_wait down into -\u003efsync() handlers\n\nBtrfs needs to be able to control how filemap_write_and_wait_range() is called\nin fsync to make it less of a painful operation, so push down taking i_mutex and\nthe calling of filemap_write_and_wait() down into the -\u003efsync() handlers.  Some\nfile systems can drop taking the i_mutex altogether it seems, like ext3 and\nocfs2.  For correctness sake I just pushed everything down in all cases to make\nsure that we keep the current behavior the same for everybody, and then each\nindividual fs maintainer can make up their mind about what to do from there.\nThanks,\n\nAcked-by: Jan Kara \u003cjack@suse.cz\u003e\nSigned-off-by: Josef Bacik \u003cjosef@redhat.com\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n"
    },
    {
      "commit": "785c4bcc0d88ff006a0b2120815a71e86ecf21ce",
      "tree": "573607ada555ca3d6136a9ec7f922ee6fef1eda3",
      "parents": [
        "5220cc9382e11ca955ce946ee6a5bac577bb14ff"
      ],
      "author": {
        "name": "Lukas Czerner",
        "email": "lczerner@redhat.com",
        "time": "Mon May 23 18:33:01 2011 +0200"
      },
      "committer": {
        "name": "Jan Kara",
        "email": "jack@suse.cz",
        "time": "Sat Jun 25 17:29:51 2011 +0200"
      },
      "message": "ext3: Add fixed tracepoints\n\nThis commit adds fixed tracepoints to the ext3 code. It is based on ext4\ntracepoints, however due to the differences of both file systems, there\nare some tracepoints missing (those for delaloc and for multi-block\nallocator) and there are some ext3 specific as well (for reservation\nwindows).\n\nHere is a list:\n\next3_free_inode\next3_request_inode\next3_allocate_inode\next3_evict_inode\next3_drop_inode\next3_mark_inode_dirty\next3_write_begin\next3_ordered_write_end\next3_writeback_write_end\next3_journalled_write_end\next3_ordered_writepage\next3_writeback_writepage\next3_journalled_writepage\next3_readpage\next3_releasepage\next3_invalidatepage\next3_discard_blocks\next3_request_blocks\next3_allocate_blocks\next3_free_blocks\next3_sync_file_enter\next3_sync_file_exit\next3_sync_fs\next3_rsv_window_add\next3_discard_reservation\next3_alloc_new_reservation\next3_reserved\next3_forget\next3_read_block_bitmap\next3_direct_IO_enter\next3_direct_IO_exit\next3_unlink_enter\next3_unlink_exit\next3_truncate_enter\next3_truncate_exit\next3_get_blocks_enter\next3_get_blocks_exit\next3_load_inode\n\nSigned-off-by: Lukas Czerner \u003clczerner@redhat.com\u003e\nCc: Jan Kara \u003cjack@suse.cz\u003e\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\n"
    },
    {
      "commit": "dd3932eddf428571762596e17b65f5dc92ca361b",
      "tree": "57cec5ae2f862037f78b7e993323d77955bb6463",
      "parents": [
        "8786fb70ccb36c7cff64680bb80c46d3a09d44db"
      ],
      "author": {
        "name": "Christoph Hellwig",
        "email": "hch@lst.de",
        "time": "Thu Sep 16 20:51:46 2010 +0200"
      },
      "committer": {
        "name": "Jens Axboe",
        "email": "jaxboe@fusionio.com",
        "time": "Thu Sep 16 20:52:58 2010 +0200"
      },
      "message": "block: remove BLKDEV_IFL_WAIT\n\nAll the blkdev_issue_* helpers can only sanely be used for synchronous\ncaller.  To issue cache flushes or barriers asynchronously the caller needs\nto set up a bio by itself with a completion callback to move the asynchronous\nstate machine ahead.  So drop the BLKDEV_IFL_WAIT flag that is always\nspecified when calling blkdev_issue_* and also remove the now unused flags\nargument to blkdev_issue_flush and blkdev_issue_zeroout.  For\nblkdev_issue_discard we need to keep it for the secure discard flag, which\ngains a more descriptive name and loses the bitops vs flag confusion.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Jens Axboe \u003cjaxboe@fusionio.com\u003e\n"
    },
    {
      "commit": "7ea8085910ef3dd4f3cad6845aaa2b580d39b115",
      "tree": "d9c1edb5906f943f7d70bfb4b65106e29772d379",
      "parents": [
        "cc967be54710d97c05229b2e5ba2d00df84ddd64"
      ],
      "author": {
        "name": "Christoph Hellwig",
        "email": "hch@lst.de",
        "time": "Wed May 26 17:53:25 2010 +0200"
      },
      "committer": {
        "name": "Al Viro",
        "email": "viro@zeniv.linux.org.uk",
        "time": "Thu May 27 22:05:02 2010 -0400"
      },
      "message": "drop unused dentry argument to -\u003efsync\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n"
    },
    {
      "commit": "ee9a3607fb03e804ddf624544105f4e34260c380",
      "tree": "ce41b6e0fa10982a306f6c142a92dbf3c9961284",
      "parents": [
        "b492e95be0ae672922f4734acf3f5d35c30be948",
        "d515e86e639890b33a09390d062b0831664f04a2"
      ],
      "author": {
        "name": "Jens Axboe",
        "email": "jens.axboe@oracle.com",
        "time": "Fri May 21 21:27:26 2010 +0200"
      },
      "committer": {
        "name": "Jens Axboe",
        "email": "jens.axboe@oracle.com",
        "time": "Fri May 21 21:27:26 2010 +0200"
      },
      "message": "Merge branch \u0027master\u0027 into for-2.6.35\n\nConflicts:\n\tfs/ext3/fsync.c\n\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n"
    },
    {
      "commit": "5277970878a32e437b27296e34c592e5d351f11d",
      "tree": "64f41152b95e670935192ee6061653d922b642f3",
      "parents": [
        "03f4d804a1b4748885dc4613a4afe10089a731c8"
      ],
      "author": {
        "name": "Jan Kara",
        "email": "jack@suse.cz",
        "time": "Thu Apr 15 22:24:26 2010 +0200"
      },
      "committer": {
        "name": "Jan Kara",
        "email": "jack@suse.cz",
        "time": "Fri May 21 19:30:41 2010 +0200"
      },
      "message": "ext3: Fix waiting on transaction during fsync\n\nlog_start_commit() returns 1 only when it started a transaction\ncommit. Thus in case transaction commit is already running, we\nfail to wait for the commit to finish. Fix the issue by always\nwaiting for the commit regardless of the log_start_commit return\nvalue.\n\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\n"
    },
    {
      "commit": "fbd9b09a177a481eda256447c881f014f29034fe",
      "tree": "ef7e213045382f82a1e3e3cf134d196a1045dd7a",
      "parents": [
        "6b4517a7913a09d3259bb1d21c9cb300f12294bd"
      ],
      "author": {
        "name": "Dmitry Monakhov",
        "email": "dmonakhov@openvz.org",
        "time": "Wed Apr 28 17:55:06 2010 +0400"
      },
      "committer": {
        "name": "Jens Axboe",
        "email": "jens.axboe@oracle.com",
        "time": "Wed Apr 28 19:47:36 2010 +0200"
      },
      "message": "blkdev: generalize flags for blkdev_issue_fn functions\n\nThe patch just convert all blkdev_issue_xxx function to common\nset of flags. Wait/allocation semantics preserved.\n\nSigned-off-by: Dmitry Monakhov \u003cdmonakhov@openvz.org\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n"
    },
    {
      "commit": "fe8bc91c4c30122b357d197117705cfd4fabaf28",
      "tree": "33e2895847d812204209444db4093af9a2c3623d",
      "parents": [
        "ea0174a7137c8ca9f130ca681f3a99c872da6778"
      ],
      "author": {
        "name": "Jan Kara",
        "email": "jack@suse.cz",
        "time": "Fri Oct 16 19:26:15 2009 +0200"
      },
      "committer": {
        "name": "Jan Kara",
        "email": "jack@suse.cz",
        "time": "Wed Nov 11 15:22:49 2009 +0100"
      },
      "message": "ext3: Wait for proper transaction commit on fsync\n\nWe cannot rely on buffer dirty bits during fsync because pdflush can come\nbefore fsync is called and clear dirty bits without forcing a transaction\ncommit. What we do is that we track which transaction has last changed\nthe inode and which transaction last changed allocation and force it to\ndisk on fsync.\n\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\nReviewed-by: Aneesh Kumar K.V \u003caneesh.kumar@linux.vnet.ibm.com\u003e\n"
    },
    {
      "commit": "56fcad29d4b3cbcbb2ed47a9d3ceca3f57175417",
      "tree": "4ad4816b11706e350760a3e206126105a7bf9a5c",
      "parents": [
        "4f003fd32bc54ec438b8691795279844df27ce38"
      ],
      "author": {
        "name": "Jan Kara",
        "email": "jack@suse.cz",
        "time": "Tue Sep 08 14:59:42 2009 +0200"
      },
      "committer": {
        "name": "Jan Kara",
        "email": "jack@suse.cz",
        "time": "Wed Sep 16 17:44:11 2009 +0200"
      },
      "message": "ext3: Flush disk caches on fsync when needed\n\nIn case we fsync() a file and inode is not dirty, we don\u0027t force a transaction\nto disk and hence don\u0027t flush disk caches. Thus file data could be just in disk\ncaches and not on persistent storage. Fix the problem by flushing disk caches\nif we didn\u0027t force a transaction commit.\n\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\n"
    },
    {
      "commit": "3d61f75eefedf75914ab4453c67aaa2ee64bcf93",
      "tree": "7a6c2c461a05f36694466dac40f386b11d15dac2",
      "parents": [
        "8b91582500ae750db22bd515379616e5e9ad06ab"
      ],
      "author": {
        "name": "Hisashi Hifumi",
        "email": "hifumi.hisashi@oss.ntt.co.jp",
        "time": "Mon Apr 28 02:16:05 2008 -0700"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Mon Apr 28 08:58:43 2008 -0700"
      },
      "message": "ext3: fdatasync should skip metadata writeout when overwriting\n\nCurrently fdatasync is identical to fsync in ext3.\n\nI think fdatasync should skip journal flush in data\u003dordered and\ndata\u003dwriteback mode when it overwrites to already-instantiated blocks on\nHDD.  When I_DIRTY_DATASYNC flag is not set, fdatasync should skip journal\nwriteout because this indicates only atime or/and mtime updates.\n\nFollowing patch is the same approach of ext2\u0027s fsync code(ext2_sync_file).\n\nI did a performance test using the sysbench.\n\n#sysbench --num-threads\u003d128 --max-requests\u003d50000 --test\u003dfileio --file-total-size\u003d128G\n--file-test-mode\u003drndwr --file-fsync-mode\u003dfdatasync run\n\nThe result on ext3 was:\n\n\t-2.6.24\n\tOperations performed:  0 Read, 50080 Write, 59600 Other \u003d 109680 Total\n\tRead 0b  Written 782.5Mb  Total transferred 782.5Mb  (12.116Mb/sec)\n\t  775.45 Requests/sec executed\n\n\tTest execution summary:\n\t    total time:                          64.5814s\n\t    total number of events:              50080\n\t    total time taken by event execution: 3713.9836\n\t    per-request statistics:\n\t         min:                            0.0000s\n\t         avg:                            0.0742s\n\t         max:                            0.9375s\n\t         approx.  95 percentile:         0.2901s\n\n\tThreads fairness:\n\t    events (avg/stddev):           391.2500/23.26\n\t    execution time (avg/stddev):   29.0155/1.99\n\n\t-2.6.24-patched\n\tOperations performed:  0 Read, 50009 Write, 61596 Other \u003d 111605 Total\n\tRead 0b  Written 781.39Mb  Total transferred 781.39Mb  (16.419Mb/sec)\n\t1050.83 Requests/sec executed\n\n\tTest execution summary:\n\t    total time:                          47.5900s\n\t    total number of events:              50009\n\t    total time taken by event execution: 2934.5768\n\t    per-request statistics:\n \t         min:                            0.0000s\n\t         avg:                            0.0587s\n \t         max:                            0.8938s\n\t         approx.  95 percentile:         0.1993s\n\n\tThreads fairness:\n\t    events (avg/stddev):           390.6953/22.64\n\t    execution time (avg/stddev):   22.9264/1.17\n\nFilesystem I/O throughput was improved.\n\nSigned-off-by :Hisashi Hifumi \u003chifumi.hisashi@oss.ntt.co.jp\u003e\nAcked-by: Jan Kara \u003cjack@suse.cz\u003e\nCc: \u003clinux-ext4@vger.kernel.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n"
    },
    {
      "commit": "c80544dc0b87bb65038355e7aafdc30be16b26ab",
      "tree": "176349304bec88a9de16e650c9919462e0dd453c",
      "parents": [
        "0e9663ee452ffce0d429656ebbcfe69417a30e92"
      ],
      "author": {
        "name": "Stephen Hemminger",
        "email": "shemminger@linux-foundation.org",
        "time": "Thu Oct 18 03:07:05 2007 -0700"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@woody.linux-foundation.org",
        "time": "Thu Oct 18 14:37:31 2007 -0700"
      },
      "message": "sparse pointer use of zero as null\n\nGet rid of sparse related warnings from places that use integer as NULL\npointer.\n\n[akpm@linux-foundation.org: coding-style fixes]\nSigned-off-by: Stephen Hemminger \u003cshemminger@linux-foundation.org\u003e\nCc: Andi Kleen \u003cak@suse.de\u003e\nCc: Jeff Garzik \u003cjeff@garzik.org\u003e\nCc: Matt Mackall \u003cmpm@selenic.com\u003e\nCc: Ian Kent \u003craven@themaw.net\u003e\nCc: Arnd Bergmann \u003carnd@arndb.de\u003e\nCc: Davide Libenzi \u003cdavidel@xmailserver.org\u003e\nCc: Stephen Smalley \u003csds@tycho.nsa.gov\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n"
    },
    {
      "commit": "ae6ddcc5f24d6b06ae9231dc128904750a4155e0",
      "tree": "93c6e20b513f39b616af101dabe9b756f7300d0d",
      "parents": [
        "e7ab8d65055e9b9dfc131d0467cfc5a8368d7ee4"
      ],
      "author": {
        "name": "Mingming Cao",
        "email": "cmm@us.ibm.com",
        "time": "Wed Sep 27 01:49:27 2006 -0700"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@g5.osdl.org",
        "time": "Wed Sep 27 08:26:09 2006 -0700"
      },
      "message": "[PATCH] ext3 and jbd cleanup: remove whitespace\n\nRemove whitespace from ext3 and jbd, before we clone ext4.\n\nSigned-off-by: Mingming Cao\u003ccmm@us.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n"
    },
    {
      "commit": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
      "tree": "0bba044c4ce775e45a88a51686b5d9f90697ea9d",
      "parents": [],
      "author": {
        "name": "Linus Torvalds",
        "email": "torvalds@ppc970.osdl.org",
        "time": "Sat Apr 16 15:20:36 2005 -0700"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@ppc970.osdl.org",
        "time": "Sat Apr 16 15:20:36 2005 -0700"
      },
      "message": "Linux-2.6.12-rc2\n\nInitial git repository build. I\u0027m not bothering with the full history,\neven though we have it. We can create a separate \"historical\" git\narchive of that later if we want to, and in the meantime it\u0027s about\n3.2GB when imported into git - space that would just make the early\ngit days unnecessarily complicated, when we don\u0027t have a lot of good\ninfrastructure for it.\n\nLet it rip!\n"
    }
  ]
}
