)]}'
{
  "log": [
    {
      "commit": "c5e8f3f3bc4b5e4a73b075ea7128f48c3f215168",
      "tree": "4470673bd261fe07189ff825957a3d1a14bee0a4",
      "parents": [
        "a0cc910f15027fbd731e78f3437cc076eebc22e9"
      ],
      "author": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Mon Feb 20 17:54:06 2012 -0500"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Mon Feb 20 17:54:06 2012 -0500"
      },
      "message": "ext4: remove EXT4_MB_{BITMAP,BUDDY} macros\n\nThe EXT4_MB_BITMAP and EXT4_MB_BUDDY macros obfuscate more than they\nprovide any abstraction.   So remove them.\n\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "18aadd47f88464928b5ce57791c2e8f9f2aaece0",
      "tree": "bb4f32855484a6dd6081c33fae1564359a88af74",
      "parents": [
        "15291164b22a357cb211b618adfef4fa82fc0de3"
      ],
      "author": {
        "name": "Bobi Jam",
        "email": "bobijam@whamcloud.com",
        "time": "Mon Feb 20 17:53:02 2012 -0500"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Mon Feb 20 17:53:02 2012 -0500"
      },
      "message": "ext4: expand commit callback and\n\nThe per-commit callback was used by mballoc code to manage free space\nbitmaps after deleted blocks have been released.  This patch expands\nit to support multiple different callbacks, to allow other things to\nbe done after the commit has been completed.\n\nSigned-off-by: Bobi Jam \u003cbobijam@whamcloud.com\u003e\nSigned-off-by: Andreas Dilger \u003cadilger@whamcloud.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "ff3fc1736f1967b59801ab2cf6409fc6c8556b0a",
      "tree": "ee2fbb7353f7a54584e2568b23a716f9ef2d7ce8",
      "parents": [
        "3c6fe77017bc6ce489f231c35fed3220b6691836"
      ],
      "author": {
        "name": "Robin Dong",
        "email": "sanbai@taobao.com",
        "time": "Mon Oct 31 18:55:50 2011 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Mon Oct 31 18:55:50 2011 -0400"
      },
      "message": "ext4: fix a typo in struct ext4_allocation_context\n\nThis patch changes \"bext\" to \"best\".\n\nSigned-off-by: Robin Dong \u003csanbai@taobao.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "84130193e0e6568dfdfb823f0e1e19aec80aff6e",
      "tree": "799534ea6cd551ba346e32da2ee2f363851a3257",
      "parents": [
        "53accfa9f819c80056db6f03f9c5cfa4bcba1ed8"
      ],
      "author": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Fri Sep 09 18:50:51 2011 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Fri Sep 09 18:50:51 2011 -0400"
      },
      "message": "ext4: teach ext4_free_blocks() about bigalloc and clusters\n\nThe ext4_free_blocks() function now has two new flags that indicate\nwhether a partial cluster at the beginning or the end of the block\nextents should be freed or not.  That will be up the caller (i.e.,\ntruncate), who can figure out whether partial clusters at the\nbeginning or the end of a block range can be freed.\n\nWe also have to update the ext4_mb_free_metadata() and\nrelease_blocks_on_commit() machinery to be cluster-based, since it is\nused by ext4_free_blocks().\n\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "53accfa9f819c80056db6f03f9c5cfa4bcba1ed8",
      "tree": "a68dcd8ea8d286e07d31d4541311819a0082f78c",
      "parents": [
        "3212a80a58062056bb922811071062be58d8fee1"
      ],
      "author": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Fri Sep 09 18:48:51 2011 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Fri Sep 09 18:48:51 2011 -0400"
      },
      "message": "ext4: teach mballoc preallocation code about bigalloc clusters\n\nIn most of mballoc.c, we do everything in units of clusters, since the\nblock allocation bitmaps and buddy bitmaps are all denominated in\nclusters.  The one place where we do deal with absolute block numbers\nis in the code that handles the preallocation regions, since in the\ncase of inode-based preallocation regions, the start of the\npreallocation region can\u0027t be relative to the beginning of the group.\n\nSo this adds a bit of complexity, where pa_pstart and pa_lstart are\nblock numbers, while pa_free, pa_len, and fe_len are denominated in\nunits of clusters.\n\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "3212a80a58062056bb922811071062be58d8fee1",
      "tree": "0ae97cdc351f18e9090c8b33505eabe59c3da21c",
      "parents": [
        "d5b8f31007a93777cfb0603b665858fb7aebebfc"
      ],
      "author": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Fri Sep 09 18:46:51 2011 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Fri Sep 09 18:46:51 2011 -0400"
      },
      "message": "ext4: convert block group-relative offsets to use clusters\n\nCertain parts of the ext4 code base, primarily in mballoc.c, use a\nblock group number and offset from the beginning of the block group.\nThis offset is invariably used to index into the allocation bitmap, so\nchange the offset to be denominated in units of clusters.\n\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "6a0fe49308dcac10ab510b3c45e00eb8d5ef440e",
      "tree": "8cf58436e9ef7080c05c1907461b1a055c672aff",
      "parents": [
        "ced156e464e49b6b4153ede9aaa04d9a4ad24e0c"
      ],
      "author": {
        "name": "Tao Ma",
        "email": "boyu.mt@taobao.com",
        "time": "Sat Jul 23 16:18:55 2011 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Sat Jul 23 16:18:55 2011 -0400"
      },
      "message": "ext4: remove ac_repeats from ext4_allocation_context\n\nac_repeats isn\u0027t referenced in the mballoc code. So remove it.\n\nSigned-off-by: Tao Ma \u003cboyu.mt@taobao.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "44183d4231a52a797beb477f962e1d361e31299d",
      "tree": "51ab7183ba8592db316cc189b063d49d8109d58f",
      "parents": [
        "9b8b7d353f5f9bea758398c3af679ffa105e5cfe"
      ],
      "author": {
        "name": "Amir Goldstein",
        "email": "amir73il@users.sf.net",
        "time": "Mon May 09 21:52:36 2011 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Mon May 09 21:52:36 2011 -0400"
      },
      "message": "ext4: remove alloc_semp\n\nAfter taking care of all group init races, all that remains is to\nremove alloc_semp from ext4_allocation_context and ext4_buddy structs.\n\nSigned-off-by: Amir Goldstein \u003camir73il@users.sf.net\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "58696f3ab2b23fd6519189875fafdb5d1281eb54",
      "tree": "328db44461fd957949b6b26630ff0c0f9a349a85",
      "parents": [
        "7c786059293335412f99732c6f4c2a886eab25c2"
      ],
      "author": {
        "name": "Coly Li",
        "email": "i@coly.li",
        "time": "Thu Feb 24 14:10:00 2011 -0500"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Thu Feb 24 14:10:00 2011 -0500"
      },
      "message": "ext4: clarify description of ac_g_ex in struct ext4_allocation_context\n\nSigned-off-by: Coly Li \u003cbosong.ly@taobao.com\u003e\nCc: Alex Tomas \u003calex@clusterfs.com\u003e\nCc: Theodore Tso \u003ctytso@google.com\u003e\n"
    },
    {
      "commit": "731eb1a03a8445cde2cb23ecfb3580c6fa7bb690",
      "tree": "9978388978604207cc78da1c81b97625857256cb",
      "parents": [
        "bda00de7e8569b1fcde27b68fa59e74e14c5f93a"
      ],
      "author": {
        "name": "Akinobu Mita",
        "email": "akinobu.mita@gmail.com",
        "time": "Wed Mar 03 23:55:01 2010 -0500"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Wed Mar 03 23:55:01 2010 -0500"
      },
      "message": "ext4: consolidate in_range() definitions\n\nThere are duplicate macro definitions of in_range() in mballoc.h and\nballoc.c.  This consolidates these two definitions into ext4.h, and\nchanges extents.c to use in_range() as well.\n\nSigned-off-by: Akinobu Mita \u003cakinobu.mita@gmail.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\nCc: Andreas Dilger \u003cadilger@sun.com\u003e\n"
    },
    {
      "commit": "5661bd6861b7490394e29aaf74dca812188272e4",
      "tree": "34d4e626b9c4abaf98e79fb705ba1e4a21f9e7f9",
      "parents": [
        "9b1d0998d24f9c207d5fbdd0b8bac07284e0eda7"
      ],
      "author": {
        "name": "Akinobu Mita",
        "email": "akinobu.mita@gmail.com",
        "time": "Wed Mar 03 23:53:39 2010 -0500"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Wed Mar 03 23:53:39 2010 -0500"
      },
      "message": "ext4: cleanup to use ext4_group_first_block_no()\n\nThis is a cleanup and simplification patch which takes some open-coded\ncalculations to calculate the first block number of a group and\nconverts them to use the (already defined) ext4_group_first_block_no()\nfunction.\n\nSigned-off-by: Akinobu Mita \u003cakinobu.mita@gmail.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\nCc: Andreas Dilger \u003cadilger@sun.com\u003e\n"
    },
    {
      "commit": "149feb00d7c3f4f06896b245533c957b54e3e052",
      "tree": "116556a8e8943d1b315235e960a1d0c806466318",
      "parents": [
        "6b7b284958d47b77d06745b36bc7f36dab769d9b"
      ],
      "author": {
        "name": "Huang Weiyi",
        "email": "weiyi.huang@gmail.com",
        "time": "Mon Dec 14 09:24:20 2009 -0500"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Mon Dec 14 09:24:20 2009 -0500"
      },
      "message": "ext4: remove unused #include \u003clinux/version.h\u003e\n\nRemove unused #include \u003clinux/version.h\u003e(\u0027s) in\n  fs/ext4/block_validity.c\n  fs/ext4/mballoc.h\n\nSigned-off-by: Huang Weiyi \u003cweiyi.huang@gmail.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "296c355cd6443d89fa251885a8d78778fe111dc4",
      "tree": "5cf7c8b115617dc3829a16a5969894d37b73173c",
      "parents": [
        "90576c0b9a0b5323fc4bd7f23f49be0d234f36d1"
      ],
      "author": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Wed Sep 30 00:32:42 2009 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Wed Sep 30 00:32:42 2009 -0400"
      },
      "message": "ext4: Use tracepoints for mb_history trace file\n\nThe /proc/fs/ext4/\u003cdev\u003e/mb_history was maintained manually, and had a\nnumber of problems: it required a largish amount of memory to be\nallocated for each ext4 filesystem, and the s_mb_history_lock\nintroduced a CPU contention problem.  \n\nBy ripping out the mb_history code and replacing it with ftrace\ntracepoints, and we get more functionality: timestamps, event\nfiltering, the ability to correlate mballoc history with other ext4\ntracepoints, etc.\n\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "90576c0b9a0b5323fc4bd7f23f49be0d234f36d1",
      "tree": "d4a1ab6f923f1c9c7c87f13a828db72c1f4412c1",
      "parents": [
        "d3d1faf6a74496ea4435fd057c6a2cad49f3e523"
      ],
      "author": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Tue Sep 29 15:51:30 2009 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Tue Sep 29 15:51:30 2009 -0400"
      },
      "message": "ext4, jbd2: Drop unneeded printks at mount and unmount time\n\nThere are a number of kernel printk\u0027s which are printed when an ext4\nfilesystem is mounted and unmounted.  Disable them to economize space\nin the system logs.  In addition, disabling the mballoc stats by\ndefault saves a number of unneeded atomic operations for every block\nallocation or deallocation.\n\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n\n"
    },
    {
      "commit": "a36b44988cef1fc007535107013571fa691a2d7f",
      "tree": "b9d659b8ac2a1068f6fbc08ac093902333512c70",
      "parents": [
        "1927805e6599d8602d2c0af6a0155c85acc0b214"
      ],
      "author": {
        "name": "Eric Sandeen",
        "email": "sandeen@redhat.com",
        "time": "Tue Aug 25 22:36:45 2009 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Tue Aug 25 22:36:45 2009 -0400"
      },
      "message": "ext4: use ext4_grpblk_t more extensively\n\nunsigned  short is potentially too small to track blocks within\na group; today it is safe due to restrictions in e2fsprogs but\nwe have _lo / _hi bits for group blocks with the intent to go\nup to 32 bits, so clean this up now.\n\nThere are many more places where we use unsigned/int/unsigned int\nto contain a group block but this should at least fix all the\nshort types.\n\nI added a few comments to the struct ext4_group_info definition\nas well.\n\nSigned-off-by: Eric Sandeen \u003csandeen@redhat.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "6ba495e9259cd9a0b40ebd6c315143535c92542f",
      "tree": "7d43ea10a8971087e6e8b00c9934b0cf83e53d1e",
      "parents": [
        "91cc219ad963731191247c5f2db4118be2bc341a"
      ],
      "author": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Fri Sep 18 13:38:55 2009 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Fri Sep 18 13:38:55 2009 -0400"
      },
      "message": "ext4: Add configurable run-time mballoc debugging\n\nAllow mballoc debugging to be enabled at run-time instead of just at\ncompile time.\n\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "9bffad1ed2a003a355ed1b42424a0ae3575275ed",
      "tree": "9016e7b0e04a0e5319680f9e1f89fc1abb13c765",
      "parents": [
        "879c5e6b7cb4c689d08ca9b2e353d8ab3dc425d5"
      ],
      "author": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Wed Jun 17 11:48:11 2009 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Wed Jun 17 11:48:11 2009 -0400"
      },
      "message": "ext4: convert instrumentation from markers to tracepoints\n\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "bb23c20a851a5038b255a3c0d0aa56093c1da3f8",
      "tree": "257211bf2bf5ffd53fe24b0528928ca4d3f2ecba",
      "parents": [
        "596397b77c895d0fa3674f579c94ad5ea88ef01d"
      ],
      "author": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Fri May 01 19:44:44 2009 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Fri May 01 19:44:44 2009 -0400"
      },
      "message": "ext4: Move fs/ext4/group.h into ext4.h\n\nMove the function prototypes in group.h into ext4.h so they are all\ndefined in one place.\n\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "cc0fb9ad7dbc5a149f4957a0dd6d65881d3d385b",
      "tree": "cbcf88bcd2306acba7d08e1c8e6ea87b76d3eb25",
      "parents": [
        "fe2c8191faa29d7a09f4962198f6dfab973ceec4"
      ],
      "author": {
        "name": "Aneesh Kumar K.V",
        "email": "aneesh.kumar@linux.vnet.ibm.com",
        "time": "Fri Mar 27 17:16:58 2009 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Fri Mar 27 17:16:58 2009 -0400"
      },
      "message": "ext4: Rename pa_linear to pa_type\n\nImpact: code cleanup\n\nThis patch rename pa_linear to pa_type and add MB_INODE_PA\nand MB_GROUP_PA to indicate inode and group prealloc space.\n\nSigned-off-by: Aneesh Kumar K.V \u003caneesh.kumar@linux.vnet.ibm.com\u003e\nReviewed-by: Eric Sandeen \u003csandeen@redhat.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "074ca44283bf031678e67af7d82668bb03c55a55",
      "tree": "d547808ec88f16e2a20de024f26f02be86e8119f",
      "parents": [
        "0d34fb8e93ceba7b6dad0062dbb4a0813bacd75b"
      ],
      "author": {
        "name": "Mike Snitzer",
        "email": "snitzer@gmail.com",
        "time": "Fri Feb 06 16:23:37 2009 -0500"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Fri Feb 06 16:23:37 2009 -0500"
      },
      "message": "ext4: Remove stale block allocator references from ext4.h\n\nRemove some leftovers from when the old block allocator was removed\n(c2ea3fde).  ext4_sb_info is now a bit lighter.  Also remove a dangling\nread_block_bitmap() prototype.\n\nSigned-off-by: Mike Snitzer \u003csnitzer@gmail.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "8556e8f3b6c4c11601ce1e9ea8090a6d8bd5daae",
      "tree": "8a0da99a4781cbde8c050d7cbcd85f31fd54e894",
      "parents": [
        "648f5879f5892dddd3ba71cd0d285599f40f2512"
      ],
      "author": {
        "name": "Aneesh Kumar K.V",
        "email": "aneesh.kumar@linux.vnet.ibm.com",
        "time": "Mon Jan 05 21:46:55 2009 -0500"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Mon Jan 05 21:46:55 2009 -0500"
      },
      "message": "ext4: Don\u0027t allow new groups to be added during block allocation\n\nAfter we mark the blocks in the buddy cache as allocated,\nwe need to ensure that we don\u0027t reinit the buddy cache until\nthe block bitmap is updated.  This commit achieves this by holding\nthe group_info alloc_semaphore till ext4_mb_release_context\n\nSigned-off-by: Aneesh Kumar K.V \u003caneesh.kumar@linux.vnet.ibm.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\nCc: stable@kernel.org\n"
    },
    {
      "commit": "5d1b1b3f492f8696ea18950a454a141381b0f926",
      "tree": "e6277cd3e01c074403b9da7390de1daa6b9f248f",
      "parents": [
        "b7be019e80da4db96d283734d55366014509911c"
      ],
      "author": {
        "name": "Aneesh Kumar K.V",
        "email": "aneesh.kumar@linux.vnet.ibm.com",
        "time": "Mon Jan 05 22:19:52 2009 -0500"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Mon Jan 05 22:19:52 2009 -0500"
      },
      "message": "ext4: fix BUG when calling ext4_error with locked block group\n\nThe mballoc code likes to call ext4_error while it is holding locked\nblock groups.  This can causes a scheduling in atomic context BUG.  We\ncan\u0027t just unlock the block group and relock it after/if ext4_error\nreturns since that might result in race conditions in the case where\nthe filesystem is set to continue after finding errors.\n\nSigned-off-by: Aneesh Kumar K.V \u003caneesh.kumar@linux.vnet.ibm.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "c3a326a657562dab81acf05aee106dc1fe345eb4",
      "tree": "228cf1c76cc51041fdc57e8b0b7ee7008400c457",
      "parents": [
        "920313a726e04fef0f2c0bcb04ad8229c0e700d8"
      ],
      "author": {
        "name": "Aneesh Kumar K.V",
        "email": "aneesh.kumar@linux.vnet.ibm.com",
        "time": "Tue Nov 25 15:11:52 2008 -0500"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Tue Nov 25 15:11:52 2008 -0500"
      },
      "message": "ext4: cleanup mballoc header files\n\nMove some of the forward declaration of the static functions\nto mballoc.c where they are used. This enables us to include\nmballoc.h in other .c files. Also correct the buddy cache\ndocumentation.\n\nSigned-off-by: Aneesh Kumar K.V \u003caneesh.kumar@linux.vnet.ibm.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "920313a726e04fef0f2c0bcb04ad8229c0e700d8",
      "tree": "7e7644a2fd48586ec2f455e56525565174798e4a",
      "parents": [
        "e21675d4b63975d09eb75c443c48ebe663d23e18"
      ],
      "author": {
        "name": "Aneesh Kumar K.V",
        "email": "aneesh.kumar@linux.vnet.ibm.com",
        "time": "Mon Jan 05 21:36:19 2009 -0500"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Mon Jan 05 21:36:19 2009 -0500"
      },
      "message": "ext4: Use EXT4_GROUP_INFO_NEED_INIT_BIT during resize\n\nThe new groups added during resize are flagged as\nneed_init group. Make sure we properly initialize these\ngroups. When we have block size \u003c page size and we are adding\nnew groups the page may still be marked uptodate even though\nwe haven\u0027t initialized the group. While forcing the init\nof buddy cache we need to make sure other groups part of the\nsame page of buddy cache is not using the cache.\ngroup_info-\u003ealloc_sem is added to ensure the same.\n\nSigned-off-by: Aneesh Kumar K.V \u003caneesh.kumar@linux.vnet.ibm.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\ncc: stable@kernel.org\n"
    },
    {
      "commit": "3e624fc72fba09b6f999a9fbb87b64efccd38036",
      "tree": "f0a1feac377788b27ea704519a33f367a6d415f9",
      "parents": [
        "22359f5745eb26bd3205a1ede7968c8944398220"
      ],
      "author": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Thu Oct 16 20:00:24 2008 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Thu Oct 16 20:00:24 2008 -0400"
      },
      "message": "ext4: Replace hackish ext4_mb_poll_new_transaction with commit callback\n\nThe multiblock allocator needs to be able to release blocks (and issue\na blkdev discard request) when the transaction which freed those\nblocks is committed.  Previously this was done via a polling mechanism\nwhen blocks are allocated or freed.  A much better way of doing things\nis to create a jbd2 callback function and attaching the list of blocks\nto be freed directly to the transaction structure.\n\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "8a0aba733db1adb5e1f0e828889a18f4c1c512de",
      "tree": "e66c57f34cdb28c45c34dfc63a93c72791316fe0",
      "parents": [
        "a1aebc1e2da9a7bee4ff8cce510b08f469d1929e"
      ],
      "author": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Thu Oct 16 10:06:27 2008 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Thu Oct 16 10:06:27 2008 -0400"
      },
      "message": "ext4: let the block device know when unused blocks can be discarded\n\nLet the block device know when unused blocks can be discarded, using\nthe new sb_issue_discard() interface.\n\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "c894058d66637c7720569fbe12957f4de64d9991",
      "tree": "f13472d7fd76155f1365550515997a24aff611c9",
      "parents": [
        "c2774d84fd6cab2bfa2a2fae0b1ca8d8ebde48a2"
      ],
      "author": {
        "name": "Aneesh Kumar K.V",
        "email": "aneesh.kumar@linux.vnet.ibm.com",
        "time": "Thu Oct 16 10:14:27 2008 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Thu Oct 16 10:14:27 2008 -0400"
      },
      "message": "ext4: Use an rbtree for tracking blocks freed during transaction.\n\nWith this patch we track the block freed during a transaction using\nred-black tree.  We also make sure contiguous blocks freed are collected\nin one node in the tree.\n\nSigned-off-by: Aneesh Kumar K.V \u003caneesh.kumar@linux.vnet.ibm.com\u003e\nSigned-off-by: Theodore Ts\u0027o \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "9f6200bbfc962d8f926278cf5d5ddb90a228c322",
      "tree": "86cf42e4f1fff753a38c64d49971efd04bfdd5f9",
      "parents": [
        "f702ba0fd7d50b5f5f5aea5317875a10d40b869f"
      ],
      "author": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Tue Sep 23 09:18:24 2008 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Tue Sep 23 09:18:24 2008 -0400"
      },
      "message": "ext4: move /proc setup and teardown out of mballoc.c\n\n...and into the core setup/teardown code in fs/ext4/super.c so that\nother parts of ext4 can define tuning parameters.\n\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n"
    },
    {
      "commit": "6be2ded1d7c51b39144b9f07d2c839e1bd8707f1",
      "tree": "aed3b1a8a0ebb8d62152a469953d970926988392",
      "parents": [
        "1320cbcf771a20b44cf580712b843d213ae75cd3"
      ],
      "author": {
        "name": "Aneesh Kumar K.V",
        "email": "aneesh.kumar@linux.vnet.ibm.com",
        "time": "Wed Jul 23 14:14:05 2008 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Wed Jul 23 14:14:05 2008 -0400"
      },
      "message": "ext4: Don\u0027t allow lg prealloc list to be grow large.\n\nCurrently, the locality group prealloc list is freed only when there\nis a block allocation failure. This can result in large number of\nentries in the preallocation list making ext4_mb_use_preallocated()\nexpensive.\n\nTo fix this, we convert the locality group prealloc list to a hash\nlist. The hash index is the order of number of blocks in the prealloc\nspace with a max order of 9. When adding prealloc space to the list we\nmake sure total entries for each order does not exceed 8. If it is\nmore than 8 we discard few entries and make sure the we have only \u003c\u003d 5\nentries.\n\nSigned-off-by: Aneesh Kumar K.V \u003caneesh.kumar@linux.vnet.ibm.com\u003e\nSigned-off-by: Theodore Ts\u0027o \u003ctytso@mit.edu\u003e\n\n"
    },
    {
      "commit": "8f6e39a7ade8a5329c5651a2bc07010b3011da6a",
      "tree": "89ba461b78c3015f9de9e5cd6671005aff71e562",
      "parents": [
        "60bd63d1928c65abd71d8b9b45672cf6e3101845"
      ],
      "author": {
        "name": "Mingming Cao",
        "email": "cmm@us.ibm.com",
        "time": "Tue Apr 29 22:01:31 2008 -0400"
      },
      "committer": {
        "name": "Theodore Ts\u0027o",
        "email": "tytso@mit.edu",
        "time": "Tue Apr 29 22:01:31 2008 -0400"
      },
      "message": "ext4: Move mballoc headers/structures to a seperate header file mballoc.h\n\nMove function and structure definiations out of mballoc.c and put it under\na new header file mballoc.h\n\nSigned-off-by: Mingming Cao \u003ccmm@us.ibm.com\u003e\nSigned-off-by: \"Theodore Ts\u0027o\" \u003ctytso@mit.edu\u003e\n\n"
    }
  ]
}