)]}'
{
  "log": [
    {
      "commit": "af065b8a19041554196971d8b6ae1459798d3b14",
      "tree": "33bfa04388cecfc50dda596302c3a5c91d0e2b64",
      "parents": [
        "eccb95cee4f0d56faa46ef22fb94dd4a3578d3eb"
      ],
      "author": {
        "name": "Jan Kara",
        "email": "jack@suse.cz",
        "time": "Tue Apr 29 00:59:39 2008 -0700"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Tue Apr 29 08:06:05 2008 -0700"
      },
      "message": "vfs: skip inodes without pages to free in drop_pagecache_sb()\n\nMany inodes have no pagecache, so we can avoid lots of lock-takings.\n\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\nCc: Fengguang Wu \u003cwfg@mail.ustc.edu.cn\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n"
    },
    {
      "commit": "eccb95cee4f0d56faa46ef22fb94dd4a3578d3eb",
      "tree": "45f2586854927cef529730ae0c7196d931de0c94",
      "parents": [
        "a8522509200b460443a7ca59138dc63bec1b690a"
      ],
      "author": {
        "name": "Jan Kara",
        "email": "jack@suse.cz",
        "time": "Tue Apr 29 00:59:37 2008 -0700"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Tue Apr 29 08:06:05 2008 -0700"
      },
      "message": "vfs: fix lock inversion in drop_pagecache_sb()\n\nFix longstanding lock inversion in drop_pagecache_sb by dropping inode_lock\nbefore calling __invalidate_mapping_pages().  We just have to make sure inode\nwon\u0027t go away from under us by keeping reference to it and putting the\nreference only after we have safely resumed the scan of the inode list.  A bit\ntricky but not too bad...\n\nSigned-off-by: Jan Kara \u003cjack@suse.cz\u003e\nCc: Fengguang Wu \u003cwfg@mail.ustc.edu.cn\u003e\nCc: David Chinner \u003cdgc@sgi.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n"
    },
    {
      "commit": "07d45da616f8514651360b502314fc9554223a03",
      "tree": "ac9c673a369f2ab3c0476179d4269a432a978a02",
      "parents": [
        "f11b00f3bd89c91c684d56b2082d1b0241ff20ae"
      ],
      "author": {
        "name": "Adrian Bunk",
        "email": "bunk@kernel.org",
        "time": "Tue Apr 29 00:58:57 2008 -0700"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Tue Apr 29 08:06:00 2008 -0700"
      },
      "message": "fs/drop_caches.c: make 2 functions static\n\nMake the following needlessly global functions static:\n\n- drop_pagecache()\n- drop_slab()\n\nSigned-off-by: Adrian Bunk \u003cbunk@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": "fc9a07e7bf1a76e710f5df017abb07628db1781d",
      "tree": "bf2a288f97cbf9cfd82a4306a7d9c615abc7c887",
      "parents": [
        "45426812d6b601430d560cb6049757b5b0bc71c4"
      ],
      "author": {
        "name": "Andrew Morton",
        "email": "akpm@linux-foundation.org",
        "time": "Sun Jul 15 23:38:14 2007 -0700"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@woody.linux-foundation.org",
        "time": "Mon Jul 16 09:05:36 2007 -0700"
      },
      "message": "invalidate_mapping_pages(): add cond_resched\n\ninvalidate_mapping_pages() can sometimes take a long time (millions of pages\nto free).  Long enough for the softlockup detector to trigger.\n\nWe used to have a cond_resched() in there but I took it out because the\ndrop_caches code calls invalidate_mapping_pages() under inode_lock.\n\nThe patch adds a nasty flag and puts the cond_resched() back.\n\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n"
    },
    {
      "commit": "fc0ecff698165ae8e178efa086e0dd1f385206b1",
      "tree": "fc6274f0862bdd6749172201170b2f6a7ce4c4ff",
      "parents": [
        "54bc485522afdac33de5504da2ea8cdcc690674e"
      ],
      "author": {
        "name": "Andrew Morton",
        "email": "akpm@osdl.org",
        "time": "Sat Feb 10 01:45:39 2007 -0800"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@woody.linux-foundation.org",
        "time": "Sun Feb 11 10:51:31 2007 -0800"
      },
      "message": "[PATCH] remove invalidate_inode_pages()\n\nConvert all calls to invalidate_inode_pages() into open-coded calls to\ninvalidate_mapping_pages().\n\nLeave the invalidate_inode_pages() wrapper in place for now, marked as\ndeprecated.\n\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n"
    },
    {
      "commit": "9d0243bca345d5ce25d3f4b74b7facb3a6df1232",
      "tree": "a3a0a763bf83a483282dc1c3caab587941a98fc2",
      "parents": [
        "bec6b0c89b234090681a4516e20ac5debe3e7c59"
      ],
      "author": {
        "name": "Andrew Morton",
        "email": "akpm@osdl.org",
        "time": "Sun Jan 08 01:00:39 2006 -0800"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@g5.osdl.org",
        "time": "Sun Jan 08 20:12:40 2006 -0800"
      },
      "message": "[PATCH] drop-pagecache\n\nAdd /proc/sys/vm/drop_caches.  When written to, this will cause the kernel to\ndiscard as much pagecache and/or reclaimable slab objects as it can.  THis\noperation requires root permissions.\n\nIt won\u0027t drop dirty data, so the user should run `sync\u0027 first.\n\nCaveats:\n\na) Holds inode_lock for exorbitant amounts of time.\n\nb) Needs to be taught about NUMA nodes: propagate these all the way through\n   so the discarding can be controlled on a per-node basis.\n\nThis is a debugging feature: useful for getting consistent results between\nfilesystem benchmarks.  We could possibly put it under a config option, but\nit\u0027s less than 300 bytes.\n\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n"
    }
  ]
}