)]}'
{
  "log": [
    {
      "commit": "7542274519b3ba87555410c66e8356ac1e3bc9b3",
      "tree": "9245c8fde7984b4338a341033c9caa5c9f128dd4",
      "parents": [
        "e6d05a757c314ad88d0649d3835a8a1daa964236"
      ],
      "author": {
        "name": "Peng Tao",
        "email": "bergwolf@gmail.com",
        "time": "Thu Sep 22 21:50:17 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Tue Oct 18 09:08:15 2011 -0700"
      },
      "message": "pnfsblock: fix writeback deadlock\n\nWe should check if the sector is already initialized before\ntrying to grab the page from page cache. Otherwise when two\npages of the same block are written back by two threads each\ncalling from writepage_locked, it can cause deadlock like bellow.\n\n [ 1080.972099] INFO: task kswapd0:25 blocked for more than 120 seconds.\n [ 1080.972377] \"echo 0 \u003e /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n [ 1080.972812] kswapd0         D ffff88000c4926c0     0    25      2 0x00000000\n [ 1080.972816]  ffff88000df276b0 0000000000000046 ffff88000df27640 ffffffff81013ba7\n [ 1080.972821]  ffff88000c492310 ffff88000df27fd8 ffff88000df27fd8 00000000001d3440\n [ 1080.972824]  ffff88000c378000 ffff88000c492310 ffff8800175d3d40 ffff880017fc75a8\n [ 1080.972828] Call Trace:\n [ 1080.972860]  [\u003cffffffff81013ba7\u003e] ? read_tsc+0x9/0x19\n [ 1080.972877]  [\u003cffffffff810e0b23\u003e] ? lock_page+0x2b/0x2b\n [ 1080.972899]  [\u003cffffffff81475a1d\u003e] io_schedule+0x63/0x7e\n [ 1080.972902]  [\u003cffffffff810e0b31\u003e] sleep_on_page+0xe/0x12\n [ 1080.972905]  [\u003cffffffff81475fe8\u003e] __wait_on_bit_lock+0x46/0x8f\n [ 1080.972916]  [\u003cffffffff810822d7\u003e] ? lock_release_holdtime.part.7+0x6b/0x72\n [ 1080.972919]  [\u003cffffffff810e0af6\u003e] __lock_page+0x66/0x68\n [ 1080.972928]  [\u003cffffffff81072705\u003e] ? autoremove_wake_function+0x3d/0x3d\n [ 1080.972932]  [\u003cffffffff810e0b1f\u003e] lock_page+0x27/0x2b\n [ 1080.972934]  [\u003cffffffff810e0bcf\u003e] find_lock_page+0x34/0x57\n [ 1080.972937]  [\u003cffffffff810e1738\u003e] find_or_create_page+0x34/0x8a\n [ 1080.972947]  [\u003cffffffffa034245b\u003e] bl_write_pagelist+0x205/0x6da [blocklayoutdriver]\n [ 1080.972951]  [\u003cffffffffa034145d\u003e] ? bl_free_lseg+0x38/0x38 [blocklayoutdriver]\n [ 1080.972995]  [\u003cffffffffa02e27b9\u003e] ? nfs_write_rpcsetup+0x118/0x123 [nfs]\n [ 1080.973033]  [\u003cffffffffa030246b\u003e] pnfs_generic_pg_writepages+0x10b/0x1f4 [nfs]\n [ 1080.973089]  [\u003cffffffffa02deaae\u003e] nfs_pageio_doio+0x1a/0x43 [nfs]\n [ 1080.973098]  [\u003cffffffffa02df035\u003e] nfs_pageio_complete+0x16/0x2d [nfs]\n [ 1080.973108]  [\u003cffffffffa02e2d8f\u003e] nfs_writepage_locked+0xa0/0xbf [nfs]\n [ 1080.973119]  [\u003cffffffffa02e36a1\u003e] nfs_writepage+0x16/0x2b [nfs]\n [ 1080.973122]  [\u003cffffffff810e8762\u003e] ? clear_page_dirty_for_io+0x87/0x9a\n [ 1080.973133]  [\u003cffffffff810efc5b\u003e] shrink_page_list+0x39b/0x6c8\n [ 1080.973139]  [\u003cffffffff810f03bb\u003e] shrink_inactive_list+0x22c/0x39e\n [ 1080.973144]  [\u003cffffffff810822d7\u003e] ? lock_release_holdtime.part.7+0x6b/0x72\n [ 1080.973148]  [\u003cffffffff810f0c33\u003e] shrink_zone+0x445/0x588\n [ 1080.973152]  [\u003cffffffff810f1a11\u003e] balance_pgdat+0x2c2/0x56b\n [ 1080.973170]  [\u003cffffffff81254208\u003e] ? __bitmap_weight+0x34/0x80\n [ 1080.973175]  [\u003cffffffff810f1f78\u003e] kswapd+0x2be/0x2fa\n [ 1080.973179]  [\u003cffffffff810726c8\u003e] ? __init_waitqueue_head+0x4b/0x4b\n [ 1080.973183]  [\u003cffffffff810f1cba\u003e] ? balance_pgdat+0x56b/0x56b\n [ 1080.973187]  [\u003cffffffff81071f69\u003e] kthread+0xa8/0xb0\n [ 1080.973200]  [\u003cffffffff814806b4\u003e] kernel_thread_helper+0x4/0x10\n [ 1080.973205]  [\u003cffffffff81071ec1\u003e] ? __init_kthread_worker+0x5a/0x5a\n [ 1080.973210]  [\u003cffffffff814806b0\u003e] ? gs_change+0x13/0x13\n [ 1080.973213] no locks held by kswapd0/25.\n\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nCc: stable@kernel.org [3.0]\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "e6d05a757c314ad88d0649d3835a8a1daa964236",
      "tree": "f900bf7912f5eb2546769f19fdfacccbc36e6b59",
      "parents": [
        "9b7eecdcfeb943f130d86bbc249fde4994b6fe30"
      ],
      "author": {
        "name": "Peng Tao",
        "email": "bergwolf@gmail.com",
        "time": "Thu Sep 22 21:50:16 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Tue Oct 18 09:08:14 2011 -0700"
      },
      "message": "pnfsblock: fix NULL pointer dereference\n\nbl_add_page_to_bio returns error pointer. bio should be reset to\nNULL in failure cases as the out path always calls bl_submit_bio.\n\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nCc: stable@kernel.org [3.0]\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "1b0ae068779874f54b55aac3a2a992bcf3f2c3c4",
      "tree": "2cfc6f406312ca02704fedb9675a02a5ec2993bf",
      "parents": [
        "760383f1ee4d14b0e0bdf0cddee648d9b8633429"
      ],
      "author": {
        "name": "Peng Tao",
        "email": "bergwolf@gmail.com",
        "time": "Thu Sep 22 21:50:12 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Tue Oct 18 09:08:13 2011 -0700"
      },
      "message": "pnfs: make _set_lo_fail generic\n\nfile layout and block layout both use it to set mark layout io failure\nbit. So make it generic.\n\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nCc: stable@kernel.org [3.0]\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "760383f1ee4d14b0e0bdf0cddee648d9b8633429",
      "tree": "8297364891043bf07938a97018ea763afbd9298f",
      "parents": [
        "c1225158a8dad9e9d5eee8a17dbbd9c7cda05ab9"
      ],
      "author": {
        "name": "Peng Tao",
        "email": "bergwolf@gmail.com",
        "time": "Thu Sep 22 21:50:11 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Tue Oct 18 09:08:12 2011 -0700"
      },
      "message": "pnfsblock: add missing rpc_put_mount and path_put\n\nReviewed-by: Jeff Layton \u003cjlayton@redhat.com\u003e\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nCc: stable@kernel.org [3.0]\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "c1225158a8dad9e9d5eee8a17dbbd9c7cda05ab9",
      "tree": "ed543930670a47c3cb911d5580941584509b73f2",
      "parents": [
        "fdc17abbc4b6094b34ee8ff5d91eaba8637594a2"
      ],
      "author": {
        "name": "Peng Tao",
        "email": "bergwolf@gmail.com",
        "time": "Thu Sep 22 21:50:10 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Tue Oct 18 09:08:12 2011 -0700"
      },
      "message": "SUNRPC/NFS: make rpc pipe upcall generic\n\nThe same function is used by idmap, gss and blocklayout code. Make it\ngeneric.\n\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nCc: stable@kernel.org [3.0]\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "fdc17abbc4b6094b34ee8ff5d91eaba8637594a2",
      "tree": "e69fd0ed928128eac8adb4ea5ab523410d9eb276",
      "parents": [
        "516f2e24faa7548a61d9ba790958528469c2e284"
      ],
      "author": {
        "name": "Jim Rees",
        "email": "rees@umich.edu",
        "time": "Thu Sep 22 21:50:09 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Tue Oct 18 09:08:11 2011 -0700"
      },
      "message": "pnfsblock: fix size of upcall message\n\nMake the status field explicitly 32 bits.  \"...it\u0027s unlikely that the kernel\nand userspace would differ on the size of an int here, but it might be a\ngood idea to go ahead and make that explicitly 32 bits in case we end up\ndealing with more exotic arches at some point in the future.\"\n\nSuggested-by: Jeff Layton \u003cjlayton@redhat.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nCc: stable@kernel.org [3.0]\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "516f2e24faa7548a61d9ba790958528469c2e284",
      "tree": "d4aa8a2fe75ada9a1af5257be8d14cb3b13fef65",
      "parents": [
        "2da956523526e440ef4f4dd174e26f5ac06fe011"
      ],
      "author": {
        "name": "Jim Rees",
        "email": "rees@umich.edu",
        "time": "Thu Sep 22 21:50:08 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Tue Oct 18 09:08:11 2011 -0700"
      },
      "message": "pnfsblock: fix return code confusion\n\nAlways return PTR_ERR, not NULL, from nfs4_blk_get_deviceinfo and\nnfs4_blk_decode_device.\n\nCheck for IS_ERR, not NULL, in bl_set_layoutdriver when calling\nnfs4_blk_get_deviceinfo.\n\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nCc: stable@kernel.org [3.0]\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "88c9e42196285a7c573e2abda11a4b5037c669bc",
      "tree": "f9931629ff8c418aaa15b9c66a3e287a465dccc1",
      "parents": [
        "288d5abec8314ae50fe6692f324b0444acae8486"
      ],
      "author": {
        "name": "Heiko Carstens",
        "email": "heiko.carstens@de.ibm.com",
        "time": "Tue Aug 02 09:57:35 2011 +0200"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Thu Aug 04 11:54:25 2011 -0400"
      },
      "message": "nfs: add missing prefetch.h include\n\nFix this compile error on s390:\n\n  CC [M]  fs/nfs/blocklayout/blocklayout.o\nfs/nfs/blocklayout/blocklayout.c: In function \u0027bl_end_io_read\u0027:\nfs/nfs/blocklayout/blocklayout.c:201:4: error: implicit declaration of function \u0027prefetchw\u0027\n\nIntroduced with 9549ec01 \"pnfsblock: bl_read_pagelist\".\n\nCc: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\nSigned-off-by: Heiko Carstens \u003cheiko.carstens@de.ibm.com\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "71cdd40fd498f12679070def668f6a4719ddbd1c",
      "tree": "d9f41109c962fd2a54e16217ce8abc37c7e99918",
      "parents": [
        "31e6306a4046926b598484f1cacf69309382eac6"
      ],
      "author": {
        "name": "Peng Tao",
        "email": "bergwolf@gmail.com",
        "time": "Sat Jul 30 20:52:56 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:17 2011 -0400"
      },
      "message": "pnfsblock: write_pagelist handle zero invalid extents\n\nFor invalid extents, find other pages in the same fsblock and write them out.\n\n[pnfsblock: write_begin]\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "31e6306a4046926b598484f1cacf69309382eac6",
      "tree": "3b71cc552cc00a37b3838c7eb0c7dd4d320fc71d",
      "parents": [
        "650e2d39bd8f6b99f39b5009dbed9fbd3bb65e54"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:55 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:17 2011 -0400"
      },
      "message": "pnfsblock: note written INVAL areas for layoutcommit\n\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "650e2d39bd8f6b99f39b5009dbed9fbd3bb65e54",
      "tree": "e078728da5ac6b40af0206ca9903b95e49731cb2",
      "parents": [
        "9549ec01b0dcf1c1eb277cba60067236b3f48508"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:54 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:17 2011 -0400"
      },
      "message": "pnfsblock: bl_write_pagelist\n\nNote: When upper layer\u0027s read/write request cannot be fulfilled, the block\nlayout driver shouldn\u0027t silently mark the page as error. It should do\nwhat can be done and  leave the rest to the upper layer. To do so, we\nshould set rdata/wdata-\u003eres.count properly.\n\nWhen upper layer re-send the read/write request to finish the rest\npart of the request, pgbase is the position where we should start at.\n\n[pnfsblock: bl_write_pagelist support functions]\n[pnfsblock: bl_write_pagelist adjust for missing PG_USE_PNFS]\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\n[pnfsblock: handle errors when read or write pagelist.]\nSigned-off-by: Zhang Jingwang \u003cyyalone@gmail.com\u003e\n[pnfs-block: use new write_pagelist api]\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\n\n[SQUASHME: pnfsblock: mds_offset is set in the generic layer]\nSigned-off-by: Boaz Harrosh \u003cbharrosh@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\n\n[pnfsblock: mark IO error with NFS_LAYOUT_{RW|RO}_FAILED]\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\n[pnfsblock: SQUASHME: adjust to API change]\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\n[pnfsblock: fixup blksize alignment in bl_setup_layoutcommit]\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\n[pnfsblock: bl_write_pagelist adjust for missing PG_USE_PNFS]\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\n[pnfsblock: handle errors when read or write pagelist.]\nSigned-off-by: Zhang Jingwang \u003cyyalone@gmail.com\u003e\n[pnfs-block: use new write_pagelist api]\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "9549ec01b0dcf1c1eb277cba60067236b3f48508",
      "tree": "5f6aaeaafd088a13cf8369a11ac37367a44c2cde",
      "parents": [
        "b2be7811dd94816f3df76708c8eb7f55bf7289e2"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:53 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:17 2011 -0400"
      },
      "message": "pnfsblock: bl_read_pagelist\n\nNote: When upper layer\u0027s read/write request cannot be fulfilled, the block\nlayout driver shouldn\u0027t silently mark the page as error. It should do\nwhat can be done and  leave the rest to the upper layer. To do so, we\nshould set rdata/wdata-\u003eres.count properly.\n\nWhen upper layer re-send the read/write request to finish the rest\npart of the request, pgbase is the position where we should start at.\n\n[pnfsblock: mark IO error with NFS_LAYOUT_{RW|RO}_FAILED]\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\n[pnfsblock: read path error handling]\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\n[pnfsblock: handle errors when read or write pagelist.]\nSigned-off-by: Zhang Jingwang \u003cyyalone@gmail.com\u003e\n[pnfs-block: use new read_pagelist api]\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "b2be7811dd94816f3df76708c8eb7f55bf7289e2",
      "tree": "45bd90a9b478dc0a81485cfe9ec228141d4dcbf2",
      "parents": [
        "90ace12ac42f65d1f077c5ef5ec2efafdcac338f"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:52 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:17 2011 -0400"
      },
      "message": "pnfsblock: cleanup_layoutcommit\n\nIn blocklayout driver. There are two things happening\nwhile layoutcommit/cleanup.\n1. the modified extents are encoded.\n2. On cleanup the extents are put back on the layout rw\n   extents list, for reads.\n\nIn the new system where actual xdr encoding is done in\nencode_layoutcommit() directly into xdr buffer, these are\nthe new commit stages:\n\n1. On setup_layoutcommit, the range is adjusted as before\n   and a structure is allocated for communication with\n   bl_encode_layoutcommit \u0026\u0026 bl_cleanup_layoutcommit\n   (Generic layer provides a void-star to hang it on)\n\n2. bl_encode_layoutcommit is called to do the actual\n   encoding directly into xdr. The commit-extent-list is not\n   freed and is stored on above structure.\n   FIXME: The code is not yet converted to the new XDR cleanup\n\n3. On cleanup the commit-extent-list is put back by a call\n   to set_to_rw() as before, but with no need for XDR decoding\n   of the list as before. And the commit-extent-list is freed.\n   Finally allocated structure is freed.\n\n[rm inode and pnfs_layout_hdr args from cleanup_layoutcommit()]\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\n[pnfsblock: introduce bl_committing list]\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\n[pnfsblock: SQUASHME: adjust to API change]\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\n[blocklayout: encode_layoutcommit implementation]\nSigned-off-by: Boaz Harrosh \u003cbharrosh@panasas.com\u003e\n[pnfsblock: fix bug setting up layoutcommit.]\nSigned-off-by: Tao Guo \u003cguotao@nrchpc.ac.cn\u003e\n[pnfsblock: cleanup_layoutcommit wants a status parameter]\nSigned-off-by: Boaz Harrosh \u003cbharrosh@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "90ace12ac42f65d1f077c5ef5ec2efafdcac338f",
      "tree": "b68267bbb609498f1005c56fe957251d92e14d78",
      "parents": [
        "9f3770422c771da32c1d14e650c695eec27dbd1d"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:51 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:17 2011 -0400"
      },
      "message": "pnfsblock: encode_layoutcommit\n\nIn blocklayout driver. There are two things happening\nwhile layoutcommit/cleanup.\n1. the modified extents are encoded.\n2. On cleanup the extents are put back on the layout rw\n   extents list, for reads.\n\nIn the new system where actual xdr encoding is done in\nencode_layoutcommit() directly into xdr buffer, these are\nthe new commit stages:\n\n1. On setup_layoutcommit, the range is adjusted as before\n   and a structure is allocated for communication with\n   bl_encode_layoutcommit \u0026\u0026 bl_cleanup_layoutcommit\n   (Generic layer provides a void-star to hang it on)\n\n2. bl_encode_layoutcommit is called to do the actual\n   encoding directly into xdr. The commit-extent-list is not\n   freed and is stored on above structure.\n   FIXME: The code is not yet converted to the new XDR cleanup\n\n3. On cleanup the commit-extent-list is put back by a call\n   to set_to_rw() as before, but with no need for XDR decoding\n   of the list as before. And the commit-extent-list is freed.\n   Finally allocated structure is freed.\n\n[rm inode and pnfs_layout_hdr args from cleanup_layoutcommit()]\n[pnfsblock: get rid of deprecated xdr macros]\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\n[blocklayout: encode_layoutcommit implementation]\nSigned-off-by: Boaz Harrosh \u003cbharrosh@panasas.com\u003e\n[pnfsblock: fix bug setting up layoutcommit.]\nSigned-off-by: Tao Guo \u003cguotao@nrchpc.ac.cn\u003e\n[pnfsblock: prevent commit list corruption]\n[pnfsblock: fix layoutcommit with an empty opaque]\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "9f3770422c771da32c1d14e650c695eec27dbd1d",
      "tree": "5c0ce4d8af872198c21c0fe3fd21fc8bf06a2d4b",
      "parents": [
        "c1c2a4cd352269f1fb585b4a5c63abe24dd946c6"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:50 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:17 2011 -0400"
      },
      "message": "pnfsblock: merge rw extents\n\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "c1c2a4cd352269f1fb585b4a5c63abe24dd946c6",
      "tree": "0fc7470702b0fc3e7d156ac49285ec58de797fa3",
      "parents": [
        "6d742ba538f98164f3c5e05cdcadb4ec6ddf504f"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:49 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:17 2011 -0400"
      },
      "message": "pnfsblock: add extent manipulation functions\n\nAdds working implementations of various support functions\nto handle INVAL extents, needed by writes, such as\nbl_mark_sectors_init and bl_is_sector_init.\n\n[pnfsblock: fix 64-bit compiler warnings for extent manipulation]\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\n[Implement release_inval_marks]\nSigned-off-by: Zhang Jingwang \u003czhangjingwang@nrchpc.ac.cn\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "6d742ba538f98164f3c5e05cdcadb4ec6ddf504f",
      "tree": "b87c6f5d42eccfb028a207ce48dfa474c168fd1e",
      "parents": [
        "e9437ccef92a28ba4c9009404bb8c9b5672dc54a"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:48 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:16 2011 -0400"
      },
      "message": "pnfsblock: bl_find_get_extent\n\nImplement bl_find_get_extent(), one of the core extent manipulation\nroutines.\n\n[pnfsblock: Lookup list entry of layouts and tags in reverse order]\nSigned-off-by: Zhang Jingwang \u003czhangjingwang@nrchpc.ac.cn\u003e\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\n\npnfsblock: fix print format warnings for sector_t and size_t\n\ngcc spews warnings about these on x86_64, e.g.:\nfs/nfs/blocklayout/blocklayout.c:74: warning: format ‘%Lu’ expects type ‘long long unsigned int’, but argument 2 has type ‘sector_t’\nfs/nfs/blocklayout/blocklayout.c:388: warning: format ‘%d’ expects type ‘int’, but argument 5 has type ‘size_t’\n\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "e9437ccef92a28ba4c9009404bb8c9b5672dc54a",
      "tree": "e14c1076b32c7d1ce4ba19c98beade79a74ac818",
      "parents": [
        "2f9fd182607e7b3bdca35f6ed7f2fae539f7c46b"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:47 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:16 2011 -0400"
      },
      "message": "pnfsblock: xdr decode pnfs_block_layout4\n\nXDR decodes the block layout payload sent in LAYOUTGET result, storing\nthe result in an extent list.\n\n[pnfsblock: get rid of deprecated xdr macros]\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\n[pnfsblock: fix bug getting pnfs_layout_type in translate_devid().]\nSigned-off-by: Tao Guo \u003cguotao@nrchpc.ac.cn\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "2f9fd182607e7b3bdca35f6ed7f2fae539f7c46b",
      "tree": "9a61ca5ef63c4160c3b632fe333720d3927b627f",
      "parents": [
        "03341d2cc91c700fc38883e572043a6a8f17dd5c"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:46 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:16 2011 -0400"
      },
      "message": "pnfsblock: call and parse getdevicelist\n\nCall GETDEVICELIST during mount, then call and parse GETDEVICEINFO\nfor each device returned.\n\n[pnfsblock: get rid of deprecated xdr macros]\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\n[pnfsblock: fix pnfs_deviceid references]\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\n[pnfsblock: fix print format warnings for sector_t and size_t]\n[pnfs-block: #include \u003clinux/vmalloc.h\u003e]\n[pnfsblock: no PNFS_NFS_SERVER]\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\n[pnfsblock: fix bug determining size of striped volume]\n[pnfsblock: fix oops when using multiple devices]\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\n[pnfsblock: get rid of vmap and deviceid-\u003earea structure]\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "03341d2cc91c700fc38883e572043a6a8f17dd5c",
      "tree": "b5e25d8597188adac536b24158f51ed99e0b10f9",
      "parents": [
        "a60d2ebd93d3c5db5b6913c4844b8e6bd3b5538e"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:45 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:16 2011 -0400"
      },
      "message": "pnfsblock: merge extents\n\nReplace a stub, so that extents underlying the layouts are properly\nadded, merged, or ignored as necessary.\n\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\n[pnfsblock: delete the new node before put it]\nSigned-off-by: Mingyang Guo \u003cguomingyang@nrchpc.ac.cn\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "a60d2ebd93d3c5db5b6913c4844b8e6bd3b5538e",
      "tree": "34ef84344eb3cf3418c5ffe0058e65b3a3ec3dff",
      "parents": [
        "025a70ed6518f635f66f314d6959718be79638db"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:44 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:16 2011 -0400"
      },
      "message": "pnfsblock: lseg alloc and free\n\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\n[pnfsblock: fix bug getting pnfs_layout_type in translate_devid().]\nSigned-off-by: Tao Guo \u003cguotao@nrchpc.ac.cn\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Zhang Jingwang \u003cJingwang.Zhang@emc.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "025a70ed6518f635f66f314d6959718be79638db",
      "tree": "9ad10662a6dc6d864c2459012d6751e77964794b",
      "parents": [
        "fe0a9b740881d181e3c96c1f6f6043e252692ffe"
      ],
      "author": {
        "name": "Jim Rees",
        "email": "rees@umich.edu",
        "time": "Sat Jul 30 20:52:43 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:16 2011 -0400"
      },
      "message": "pnfsblock: remove device operations\n\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\n[upcall bugfixes]\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "fe0a9b740881d181e3c96c1f6f6043e252692ffe",
      "tree": "11dff7e25a2a9d922fba32d331530d671769c550",
      "parents": [
        "9e69296999362c4e4b2821b64389b47e86e4821b"
      ],
      "author": {
        "name": "Jim Rees",
        "email": "rees@umich.edu",
        "time": "Sat Jul 30 20:52:42 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:16 2011 -0400"
      },
      "message": "pnfsblock: add device operations\n\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\n[upcall bugfixes]\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "9e69296999362c4e4b2821b64389b47e86e4821b",
      "tree": "e8810b4207cc054086eaeb519aa53d2af621ff0d",
      "parents": [
        "e9643fe80d1a1e0ad6acdf43138c39b5709fdbbe"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:41 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:16 2011 -0400"
      },
      "message": "pnfsblock: basic extent code\n\nAdds structures and basic create/delete code for extents.\n\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Zhang Jingwang \u003cJingwang.Zhang@emc.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "e9643fe80d1a1e0ad6acdf43138c39b5709fdbbe",
      "tree": "294a606cf46942f33e5ffc56fa93ce620690ed55",
      "parents": [
        "155e7524f28fa374da041434085050693c3df45b"
      ],
      "author": {
        "name": "Benny Halevy",
        "email": "bhalevy@panasas.com",
        "time": "Sat Jul 30 20:52:40 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:15 2011 -0400"
      },
      "message": "pnfsblock: use pageio_ops api\n\n[pnfsblock: use pnfs_generic_pg_init_read/write]\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    },
    {
      "commit": "155e7524f28fa374da041434085050693c3df45b",
      "tree": "24a3940f5a2944754e9b631e247377cb352306b3",
      "parents": [
        "db29c089094b2e686ebc9ed9f002be4a4f94b1f8"
      ],
      "author": {
        "name": "Fred Isaman",
        "email": "iisaman@citi.umich.edu",
        "time": "Sat Jul 30 20:52:39 2011 -0400"
      },
      "committer": {
        "name": "Trond Myklebust",
        "email": "Trond.Myklebust@netapp.com",
        "time": "Sun Jul 31 12:18:15 2011 -0400"
      },
      "message": "pnfsblock: add blocklayout Kconfig option, Makefile, and stubs\n\nDefine a configuration variable to enable/disable compilation of the\nblock driver code.\n\nAdd the minimal structure for a pnfs block layout driver, and empty\nlist-heads that will hold the extent data\n\n[pnfsblock: make NFS_V4_1 select PNFS_BLOCK]\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\n[pnfs-block: fix CONFIG_PNFS_BLOCK dependencies]\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\n[pnfsblock: SQUASHME: adjust to API change]\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\n[pnfs: move pnfs_layout_type inline in nfs_inode]\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\n[blocklayout: encode_layoutcommit implementation]\nSigned-off-by: Boaz Harrosh \u003cbharrosh@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\n[pnfsblock: layout alloc and free]\nSigned-off-by: Fred Isaman \u003ciisaman@citi.umich.edu\u003e\n[pnfs: move pnfs_layout_type inline in nfs_inode]\nSigned-off-by: Benny Halevy \u003cbhalevy@panasas.com\u003e\nSigned-off-by: Benny Halevy \u003cbhalevy@tonian.com\u003e\n[pnfsblock: define module alias]\nSigned-off-by: Peng Tao \u003cpeng_tao@emc.com\u003e\n[rm inode and pnfs_layout_hdr args from cleanup_layoutcommit()]\nSigned-off-by: Jim Rees \u003crees@umich.edu\u003e\nSigned-off-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\n"
    }
  ]
}