)]}'
{
  "log": [
    {
      "commit": "2311b9439ce8c525f3f8f821fc2ca9a541f673a5",
      "tree": "6306764554cc50faf435297e190d3b38f1a39044",
      "parents": [
        "bae36241be7fab16b2e987d31b6e6bd4456ac188"
      ],
      "author": {
        "name": "Bryan Schumaker",
        "email": "bjschuma@netapp.com",
        "time": "Thu May 10 15:07:32 2012 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Mon May 14 17:30:26 2012 -0700"
      },
      "message": "NFS: Don\u0027t pass mount data to nfs_fscache_get_super_cookie()\n\nI intend on creating a single nfs_fs_mount() function used by all our\nmount paths.  To avoid checking between new mounts and clone mounts, I\ninstead pass both structures to a new function in super.c that finds the\ncache key and then looks up the super cookie.\n\nSigned-off-by: Bryan Schumaker \u003cbjschuma@netapp.com\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "6f00866ddd15724eb20eac4ddf6e2c6c1a6cfcdc",
      "tree": "14c33fa0d8dfe765175c3972d1fd746ef766c150",
      "parents": [
        "ffa94db6042e6fd014ae0bed8832ac707ef2afe9"
      ],
      "author": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Tue Mar 20 14:12:46 2012 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Wed Mar 21 09:31:44 2012 -0400"
      },
      "message": "NFS: Fix more NFS debug related build warnings\n\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "c902ce1bfb40d8b049bd2319b388b4b68b04bc27",
      "tree": "7dcb1e8378f8ec8e7ad7684cd26e9d5a1b5b22d1",
      "parents": [
        "075d9db13183c102770dc6cefabfee1b832f9614"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Thu Jul 07 12:19:48 2011 +0100"
      },
      "committer": {
        "name": "Linus Torvalds",
        "email": "torvalds@linux-foundation.org",
        "time": "Thu Jul 07 13:21:56 2011 -0700"
      },
      "message": "FS-Cache: Add a helper to bulk uncache pages on an inode\n\nAdd an FS-Cache helper to bulk uncache pages on an inode.  This will\nonly work for the circumstance where the pages in the cache correspond\n1:1 with the pages attached to an inode\u0027s page cache.\n\nThis is required for CIFS and NFS: When disabling inode cookie, we were\nreturning the cookie and setting cifsi-\u003efscache to NULL but failed to\ninvalidate any previously mapped pages.  This resulted in \"Bad page\nstate\" errors and manifested in other kind of errors when running\nfsstress.  Fix it by uncaching mapped pages when we disable the inode\ncookie.\n\nThis patch should fix the following oops and \"Bad page state\" errors\nseen during fsstress testing.\n\n  ------------[ cut here ]------------\n  kernel BUG at fs/cachefiles/namei.c:201!\n  invalid opcode: 0000 [#1] SMP\n  Pid: 5, comm: kworker/u:0 Not tainted 2.6.38.7-30.fc15.x86_64 #1 Bochs Bochs\n  RIP: 0010: cachefiles_walk_to_object+0x436/0x745 [cachefiles]\n  RSP: 0018:ffff88002ce6dd00  EFLAGS: 00010282\n  RAX: ffff88002ef165f0 RBX: ffff88001811f500 RCX: 0000000000000000\n  RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000282\n  RBP: ffff88002ce6dda0 R08: 0000000000000100 R09: ffffffff81b3a300\n  R10: 0000ffff00066c0a R11: 0000000000000003 R12: ffff88002ae54840\n  R13: ffff88002ae54840 R14: ffff880029c29c00 R15: ffff88001811f4b0\n  FS:  00007f394dd32720(0000) GS:ffff88002ef00000(0000) knlGS:0000000000000000\n  CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b\n  CR2: 00007fffcb62ddf8 CR3: 000000001825f000 CR4: 00000000000006e0\n  DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n  DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400\n  Process kworker/u:0 (pid: 5, threadinfo ffff88002ce6c000, task ffff88002ce55cc0)\n  Stack:\n   0000000000000246 ffff88002ce55cc0 ffff88002ce6dd58 ffff88001815dc00\n   ffff8800185246c0 ffff88001811f618 ffff880029c29d18 ffff88001811f380\n   ffff88002ce6dd50 ffffffff814757e4 ffff88002ce6dda0 ffffffff8106ac56\n  Call Trace:\n   cachefiles_lookup_object+0x78/0xd4 [cachefiles]\n   fscache_lookup_object+0x131/0x16d [fscache]\n   fscache_object_work_func+0x1bc/0x669 [fscache]\n   process_one_work+0x186/0x298\n   worker_thread+0xda/0x15d\n   kthread+0x84/0x8c\n   kernel_thread_helper+0x4/0x10\n  RIP  cachefiles_walk_to_object+0x436/0x745 [cachefiles]\n  ---[ end trace 1d481c9af1804caa ]---\n\nI tested the uncaching by the following means:\n\n (1) Create a big file on my NFS server (104857600 bytes).\n\n (2) Read the file into the cache with md5sum on the NFS client.  Look in\n     /proc/fs/fscache/stats:\n\n\tPages  : mrk\u003d25601 unc\u003d0\n\n (3) Open the file for read/write (\"bash 5\u003c\u003e/warthog/bigfile\").  Look in proc\n     again:\n\n\tPages  : mrk\u003d25601 unc\u003d25601\n\nReported-by: Jeff Layton \u003cjlayton@redhat.com\u003e\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nReviewed-and-Tested-by: Suresh Jayaraman \u003csjayaraman@suse.de\u003e\ncc: stable@kernel.org\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n"
    },
    {
      "commit": "0f15c53d5b1829c10dd901f37b8263aa25ecf864",
      "tree": "63c9b3f8505b97f7397bccf134d0c8655b33d71e",
      "parents": [
        "9605a069f83d999e60cd57dc8010708fe08291c0"
      ],
      "author": {
        "name": "Chuck Lever",
        "email": "chuck.lever@oracle.com",
        "time": "Fri May 07 13:33:48 2010 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Fri May 14 15:09:31 2010 -0400"
      },
      "message": "NFS: Squelch compiler warning\n\nSeen with -Wextra:\n\n/home/cel/linux/fs/nfs/fscache.c: In function ‘__nfs_readpages_from_fscache’:\n/home/cel/linux/fs/nfs/fscache.c:479: warning: comparison between signed and unsigned integer expressions\n\nThe comparison implicitly converts \"int\" to \"unsigned\", making it\nsafe.  But there\u0027s no need for the implicit type conversions here, and\nthe dfprintk() already uses a \"%u\" formatter for \"npages.\"  Better to\nreduce confusion.\n\nSigned-off-by: Chuck Lever \u003cchuck.lever@oracle.com\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "5a0e3ad6af8660be21ca98a971cd00f331318c05",
      "tree": "5bfb7be11a03176a87296a43ac6647975c00a1d1",
      "parents": [
        "ed391f4ebf8f701d3566423ce8f17e614cde9806"
      ],
      "author": {
        "name": "Tejun Heo",
        "email": "tj@kernel.org",
        "time": "Wed Mar 24 17:04:11 2010 +0900"
      },
      "committer": {
        "name": "Tejun Heo",
        "email": "tj@kernel.org",
        "time": "Tue Mar 30 22:02:32 2010 +0900"
      },
      "message": "include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h\n\npercpu.h is included by sched.h and module.h and thus ends up being\nincluded when building most .c files.  percpu.h includes slab.h which\nin turn includes gfp.h making everything defined by the two files\nuniversally available and complicating inclusion dependencies.\n\npercpu.h -\u003e slab.h dependency is about to be removed.  Prepare for\nthis change by updating users of gfp and slab facilities include those\nheaders directly instead of assuming availability.  As this conversion\nneeds to touch large number of source files, the following script is\nused as the basis of conversion.\n\n  http://userweb.kernel.org/~tj/misc/slabh-sweep.py\n\nThe script does the followings.\n\n* Scan files for gfp and slab usages and update includes such that\n  only the necessary includes are there.  ie. if only gfp is used,\n  gfp.h, if slab is used, slab.h.\n\n* When the script inserts a new include, it looks at the include\n  blocks and try to put the new include such that its order conforms\n  to its surrounding.  It\u0027s put in the include block which contains\n  core kernel includes, in the same order that the rest are ordered -\n  alphabetical, Christmas tree, rev-Xmas-tree or at the end if there\n  doesn\u0027t seem to be any matching order.\n\n* If the script can\u0027t find a place to put a new include (mostly\n  because the file doesn\u0027t have fitting include block), it prints out\n  an error message indicating which .h file needs to be added to the\n  file.\n\nThe conversion was done in the following steps.\n\n1. The initial automatic conversion of all .c files updated slightly\n   over 4000 files, deleting around 700 includes and adding ~480 gfp.h\n   and ~3000 slab.h inclusions.  The script emitted errors for ~400\n   files.\n\n2. Each error was manually checked.  Some didn\u0027t need the inclusion,\n   some needed manual addition while adding it to implementation .h or\n   embedding .c file was more appropriate for others.  This step added\n   inclusions to around 150 files.\n\n3. The script was run again and the output was compared to the edits\n   from #2 to make sure no file was left behind.\n\n4. Several build tests were done and a couple of problems were fixed.\n   e.g. lib/decompress_*.c used malloc/free() wrappers around slab\n   APIs requiring slab.h to be added manually.\n\n5. The script was run on all .h files but without automatically\n   editing them as sprinkling gfp.h and slab.h inclusions around .h\n   files could easily lead to inclusion dependency hell.  Most gfp.h\n   inclusion directives were ignored as stuff from gfp.h was usually\n   wildly available and often used in preprocessor macros.  Each\n   slab.h inclusion directive was examined and added manually as\n   necessary.\n\n6. percpu.h was updated not to include slab.h.\n\n7. Build test were done on the following configurations and failures\n   were fixed.  CONFIG_GCOV_KERNEL was turned off for all tests (as my\n   distributed build env didn\u0027t work with gcov compiles) and a few\n   more options had to be turned off depending on archs to make things\n   build (like ipr on powerpc/64 which failed due to missing writeq).\n\n   * x86 and x86_64 UP and SMP allmodconfig and a custom test config.\n   * powerpc and powerpc64 SMP allmodconfig\n   * sparc and sparc64 SMP allmodconfig\n   * ia64 SMP allmodconfig\n   * s390 SMP allmodconfig\n   * alpha SMP allmodconfig\n   * um on x86_64 SMP allmodconfig\n\n8. percpu.h modifications were reverted so that it could be applied as\n   a separate patch and serve as bisection point.\n\nGiven the fact that I had only a couple of failures from tests on step\n6, I\u0027m fairly confident about the coverage of this conversion patch.\nIf there is a breakage, it\u0027s likely to be something in one of the arch\nheaders which should be easily discoverable easily on most builds of\nthe specific arch.\n\nSigned-off-by: Tejun Heo \u003ctj@kernel.org\u003e\nGuess-its-ok-by: Christoph Lameter \u003ccl@linux-foundation.org\u003e\nCc: Ingo Molnar \u003cmingo@redhat.com\u003e\nCc: Lee Schermerhorn \u003cLee.Schermerhorn@hp.com\u003e\n"
    },
    {
      "commit": "2c1740098c708b465e87637b237feb2fd98f129a",
      "tree": "7794f7a904913effa4c08bf4bb1b840aba52becb",
      "parents": [
        "deb0c98c7f6035d47a247e548384517a955314a5"
      ],
      "author": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Mon Feb 08 09:32:27 2010 -0500"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Tue Feb 09 14:29:10 2010 -0500"
      },
      "message": "NFS: Fix a bug in nfs_fscache_release_page()\n\nNot having an fscache cookie is perfectly valid if the user didn\u0027t mount\nwith the fscache option.\n\nThis patch fixes http://bugzilla.kernel.org/show_bug.cgi?id\u003d15234\n\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: David Howells \u003cdhowells@redhat.com\u003e\nCc: stable@kernel.org\n"
    },
    {
      "commit": "201a15428bd54f83eccec8b7c64a04b8f9431204",
      "tree": "326fcce64ce96657253fd141a3f4a767ac95418a",
      "parents": [
        "e3d4d28b1c8cc7c26536a50b43d86ccd39878550"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Thu Nov 19 18:11:35 2009 +0000"
      },
      "committer": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Thu Nov 19 18:11:35 2009 +0000"
      },
      "message": "FS-Cache: Handle pages pending storage that get evicted under OOM conditions\n\nHandle netfs pages that the vmscan algorithm wants to evict from the pagecache\nunder OOM conditions, but that are waiting for write to the cache.  Under these\nconditions, vmscan calls the releasepage() function of the netfs, asking if a\npage can be discarded.\n\nThe problem is typified by the following trace of a stuck process:\n\n\tkslowd005     D 0000000000000000     0  4253      2 0x00000080\n\t ffff88001b14f370 0000000000000046 ffff880020d0d000 0000000000000007\n\t 0000000000000006 0000000000000001 ffff88001b14ffd8 ffff880020d0d2a8\n\t 000000000000ddf0 00000000000118c0 00000000000118c0 ffff880020d0d2a8\n\tCall Trace:\n\t [\u003cffffffffa00782d8\u003e] __fscache_wait_on_page_write+0x8b/0xa7 [fscache]\n\t [\u003cffffffff8104c0f1\u003e] ? autoremove_wake_function+0x0/0x34\n\t [\u003cffffffffa0078240\u003e] ? __fscache_check_page_write+0x63/0x70 [fscache]\n\t [\u003cffffffffa00b671d\u003e] nfs_fscache_release_page+0x4e/0xc4 [nfs]\n\t [\u003cffffffffa00927f0\u003e] nfs_release_page+0x3c/0x41 [nfs]\n\t [\u003cffffffff810885d3\u003e] try_to_release_page+0x32/0x3b\n\t [\u003cffffffff81093203\u003e] shrink_page_list+0x316/0x4ac\n\t [\u003cffffffff8109372b\u003e] shrink_inactive_list+0x392/0x67c\n\t [\u003cffffffff813532fa\u003e] ? __mutex_unlock_slowpath+0x100/0x10b\n\t [\u003cffffffff81058df0\u003e] ? trace_hardirqs_on_caller+0x10c/0x130\n\t [\u003cffffffff8135330e\u003e] ? mutex_unlock+0x9/0xb\n\t [\u003cffffffff81093aa2\u003e] shrink_list+0x8d/0x8f\n\t [\u003cffffffff81093d1c\u003e] shrink_zone+0x278/0x33c\n\t [\u003cffffffff81052d6c\u003e] ? ktime_get_ts+0xad/0xba\n\t [\u003cffffffff81094b13\u003e] try_to_free_pages+0x22e/0x392\n\t [\u003cffffffff81091e24\u003e] ? isolate_pages_global+0x0/0x212\n\t [\u003cffffffff8108e743\u003e] __alloc_pages_nodemask+0x3dc/0x5cf\n\t [\u003cffffffff81089529\u003e] grab_cache_page_write_begin+0x65/0xaa\n\t [\u003cffffffff8110f8c0\u003e] ext3_write_begin+0x78/0x1eb\n\t [\u003cffffffff81089ec5\u003e] generic_file_buffered_write+0x109/0x28c\n\t [\u003cffffffff8103cb69\u003e] ? current_fs_time+0x22/0x29\n\t [\u003cffffffff8108a509\u003e] __generic_file_aio_write+0x350/0x385\n\t [\u003cffffffff8108a588\u003e] ? generic_file_aio_write+0x4a/0xae\n\t [\u003cffffffff8108a59e\u003e] generic_file_aio_write+0x60/0xae\n\t [\u003cffffffff810b2e82\u003e] do_sync_write+0xe3/0x120\n\t [\u003cffffffff8104c0f1\u003e] ? autoremove_wake_function+0x0/0x34\n\t [\u003cffffffff810b18e1\u003e] ? __dentry_open+0x1a5/0x2b8\n\t [\u003cffffffff810b1a76\u003e] ? dentry_open+0x82/0x89\n\t [\u003cffffffffa00e693c\u003e] cachefiles_write_page+0x298/0x335 [cachefiles]\n\t [\u003cffffffffa0077147\u003e] fscache_write_op+0x178/0x2c2 [fscache]\n\t [\u003cffffffffa0075656\u003e] fscache_op_execute+0x7a/0xd1 [fscache]\n\t [\u003cffffffff81082093\u003e] slow_work_execute+0x18f/0x2d1\n\t [\u003cffffffff8108239a\u003e] slow_work_thread+0x1c5/0x308\n\t [\u003cffffffff8104c0f1\u003e] ? autoremove_wake_function+0x0/0x34\n\t [\u003cffffffff810821d5\u003e] ? slow_work_thread+0x0/0x308\n\t [\u003cffffffff8104be91\u003e] kthread+0x7a/0x82\n\t [\u003cffffffff8100beda\u003e] child_rip+0xa/0x20\n\t [\u003cffffffff8100b87c\u003e] ? restore_args+0x0/0x30\n\t [\u003cffffffff8102ef83\u003e] ? tg_shares_up+0x171/0x227\n\t [\u003cffffffff8104be17\u003e] ? kthread+0x0/0x82\n\t [\u003cffffffff8100bed0\u003e] ? child_rip+0x0/0x20\n\nIn the above backtrace, the following is happening:\n\n (1) A page storage operation is being executed by a slow-work thread\n     (fscache_write_op()).\n\n (2) FS-Cache farms the operation out to the cache to perform\n     (cachefiles_write_page()).\n\n (3) CacheFiles is then calling Ext3 to perform the actual write, using Ext3\u0027s\n     standard write (do_sync_write()) under KERNEL_DS directly from the netfs\n     page.\n\n (4) However, for Ext3 to perform the write, it must allocate some memory, in\n     particular, it must allocate at least one page cache page into which it\n     can copy the data from the netfs page.\n\n (5) Under OOM conditions, the memory allocator can\u0027t immediately come up with\n     a page, so it uses vmscan to find something to discard\n     (try_to_free_pages()).\n\n (6) vmscan finds a clean netfs page it might be able to discard (possibly the\n     one it\u0027s trying to write out).\n\n (7) The netfs is called to throw the page away (nfs_release_page()) - but it\u0027s\n     called with __GFP_WAIT, so the netfs decides to wait for the store to\n     complete (__fscache_wait_on_page_write()).\n\n (8) This blocks a slow-work processing thread - possibly against itself.\n\nThe system ends up stuck because it can\u0027t write out any netfs pages to the\ncache without allocating more memory.\n\nTo avoid this, we make FS-Cache cancel some writes that aren\u0027t in the middle of\nactually being performed.  This means that some data won\u0027t make it into the\ncache this time.  To support this, a new FS-Cache function is added\nfscache_maybe_release_page() that replaces what the netfs releasepage()\nfunctions used to do with respect to the cache.\n\nThe decisions fscache_maybe_release_page() makes are counted and displayed\nthrough /proc/fs/fscache/stats on a line labelled \"VmScan\".  There are four\ncounters provided: \"nos\u003dN\" - pages that weren\u0027t pending storage; \"gon\u003dN\" -\npages that were pending storage when we first looked, but weren\u0027t by the time\nwe got the object lock; \"bsy\u003dN\" - pages that we ignored as they were actively\nbeing written when we looked; and \"can\u003dN\" - pages that we cancelled the storage\nof.\n\nWhat I\u0027d really like to do is alter the behaviour of the cancellation\nheuristics, depending on how necessary it is to expel pages.  If there are\nplenty of other pages that aren\u0027t waiting to be written to the cache that\ncould be ejected first, then it would be nice to hold up on immediate\ncancellation of cache writes - but I don\u0027t see a way of doing that.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\n"
    },
    {
      "commit": "2df54806389205d76bc3d1ce8a10cc14889ddec9",
      "tree": "7c1c170e39d50dd105792e25522e249ea371758e",
      "parents": [
        "4111d4fde6aa04a2e42c43d0e74593e6144b0f0f"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Wed Sep 23 14:36:39 2009 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Wed Sep 23 14:36:39 2009 -0400"
      },
      "message": "NFS: Propagate \u0027fsc\u0027 mount option through automounts\n\nPropagate the NFS \u0027fsc\u0027 mount option through NFS automounts of various types.\n\nThis is now required as commit:\n\n\tcommit c02d7adf8c5429727a98bad1d039bccad4c61c50\n\tAuthor: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n\tDate:   Mon Jun 22 15:09:14 2009 -0400\n\n\tNFSv4: Replace nfs4_path_walk() with VFS path lookup in a private namespace\n\nuses VFS-driven automounting to reach all submounts barring the root, thus\npreventing fscaching from being enabled on any submount other than the root.\n\nThis patch gets around that by propagating the NFS_OPTION_FSCACHE flag across\nautomounts.  If a uniquifier is supplied to a mount then this is propagated to\nall automounts of that mount too.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\n[Trond: Fixed up the definition of nfs_fscache_get_super_cookie for the\n        case of #undef CONFIG_NFS_FSCACHE]\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "7f8e05f60c87646e12c761fef61dd71a7e67112e",
      "tree": "f33bfcd5b4662a48890e8245362b381437be76fb",
      "parents": [
        "9a9fc1c03315f1606596e55b4096d39e2079a041"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:45 2009 +0100"
      },
      "committer": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:45 2009 +0100"
      },
      "message": "NFS: Store pages from an NFS inode into a local cache\n\nStore pages from an NFS inode into the cache data storage object associated\nwith that inode.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Steve Dickson \u003csteved@redhat.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nTested-by: Daire Byrne \u003cDaire.Byrne@framestore.com\u003e\n"
    },
    {
      "commit": "9a9fc1c03315f1606596e55b4096d39e2079a041",
      "tree": "0eb9a2d9844a821e515baeb59e6d5e38384d5915",
      "parents": [
        "f42b293d6d5259043a8944b556eeab427c695d57"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:44 2009 +0100"
      },
      "committer": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:44 2009 +0100"
      },
      "message": "NFS: Read pages from FS-Cache into an NFS inode\n\nRead pages from an FS-Cache data storage object representing an inode into an\nNFS inode.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Steve Dickson \u003csteved@redhat.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nTested-by: Daire Byrne \u003cDaire.Byrne@framestore.com\u003e\n"
    },
    {
      "commit": "545db45f0fc0d4203b045047798ce156972a3056",
      "tree": "783db1091f5d6f21dafece81f6c94caf0aec98b8",
      "parents": [
        "6a51091d0775cdc4a923f2172c61925ad416aa32"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:44 2009 +0100"
      },
      "committer": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:44 2009 +0100"
      },
      "message": "NFS: FS-Cache page management\n\nFS-Cache page management for NFS.  This includes hooking the releasing and\ninvalidation of pages marked with PG_fscache (aka PG_private_2) and waiting for\ncompletion of the write-to-cache flag (PG_fscache_write aka PG_owner_priv_2).\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Steve Dickson \u003csteved@redhat.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nTested-by: Daire Byrne \u003cDaire.Byrne@framestore.com\u003e\n"
    },
    {
      "commit": "ef79c097bbe9724e13937271b3457df560e00370",
      "tree": "a8671781cc0c9deb85fa76a8b4211c5e693b4343",
      "parents": [
        "10329a5d48f5abc14a37d30b706e330f8598297a"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:43 2009 +0100"
      },
      "committer": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:43 2009 +0100"
      },
      "message": "NFS: Use local disk inode cache\n\nBind data storage objects in the local cache to NFS inodes.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Steve Dickson \u003csteved@redhat.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nTested-by: Daire Byrne \u003cDaire.Byrne@framestore.com\u003e\n"
    },
    {
      "commit": "08734048b380103f0412f58b84c2f76a2c8b599f",
      "tree": "34a65d40e33b12d36f5c82adb686bcdae6eab0fe",
      "parents": [
        "147272813e043fb44bd112527951da70c1e663de"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:42 2009 +0100"
      },
      "committer": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:42 2009 +0100"
      },
      "message": "NFS: Define and create superblock-level objects\n\nDefine and create superblock-level cache index objects (as managed by\nnfs_server structs).\n\nEach superblock object is created in a server level index object and is itself\nan index into which inode-level objects are inserted.\n\nIdeally there would be one superblock-level object per server, and the former\nwould be folded into the latter; however, since the \"nosharecache\" option\nexists this isn\u0027t possible.\n\nThe superblock object key is a sequence consisting of:\n\n (1) Certain superblock s_flags.\n\n (2) Various connection parameters that serve to distinguish superblocks for\n     sget().\n\n (3) The volume FSID.\n\n (4) The security flavour.\n\n (5) The uniquifier length.\n\n (6) The uniquifier text.  This is normally an empty string, unless the fsc\u003dxyz\n     mount option was used to explicitly specify a uniquifier.\n\nThe key blob is of variable length, depending on the length of (6).\n\nThe superblock object is given no coherency data to carry in the auxiliary data\npermitted by the cache.  It is assumed that the superblock is always coherent.\n\nThis patch also adds uniquification handling such that two otherwise identical\nsuperblocks, at least one of which is marked \"nosharecache\", won\u0027t end up\ntrying to share the on-disk cache.  It will be possible to manually provide a\nuniquifier through a mount option with a later patch to avoid the error\notherwise produced.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Steve Dickson \u003csteved@redhat.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nTested-by: Daire Byrne \u003cDaire.Byrne@framestore.com\u003e\n"
    },
    {
      "commit": "147272813e043fb44bd112527951da70c1e663de",
      "tree": "4b67df2bb809c7b661e7c6f4b1692ab8af41a996",
      "parents": [
        "8ec442ae4c6577ed181682e534d4eef524e30b3c"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:42 2009 +0100"
      },
      "committer": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:42 2009 +0100"
      },
      "message": "NFS: Define and create server-level objects\n\nDefine and create server-level cache index objects (as managed by nfs_client\nstructs).\n\nEach server object is created in the NFS top-level index object and is itself\nan index into which superblock-level objects are inserted.\n\nIdeally there would be one superblock-level object per server, and the former\nwould be folded into the latter; however, since the \"nosharecache\" option\nexists this isn\u0027t possible.\n\nThe server object key is a sequence consisting of:\n\n (1) NFS version\n\n (2) Server address family (eg: AF_INET or AF_INET6)\n\n (3) Server port.\n\n (4) Server IP address.\n\nThe key blob is of variable length, depending on the length of (4).\n\nThe server object is given no coherency data to carry in the auxiliary data\npermitted by the cache.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Steve Dickson \u003csteved@redhat.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nTested-by: Daire Byrne \u003cDaire.Byrne@framestore.com\u003e\n"
    }
  ]
}