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linux-stable/fs/nfs
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Kinglong Mee 834e465bba NFS: Skip checking ds_cinfo.buckets when lseg's commit_through_mds is set 
When lseg's commit_through_mds is set, pnfs client always WARN once
in nfs_direct_select_verf after checking ds_cinfo.nbuckets.

nfs should use the DS verf except commit_through_mds is set for
layout segment where nbuckets is zero.

[17844.666094] ------------[ cut here ]------------
[17844.667071] WARNING: CPU: 0 PID: 21758 at /root/source/linux-pnfs/fs/nfs/direct.c:174 nfs_direct_select_verf+0x5a/0x70 [nfs]()
[17844.668650] Modules linked in: nfs_layout_nfsv41_files(OE) nfsv4(OE) nfs(OE) fscache(E) nfsd(OE) xfs libcrc32c btrfs ppdev coretemp crct10dif_pclmul auth_rpcgss crc32_pclmul crc32c_intel nfs_acl ghash_clmulni_intel lockd vmw_balloon xor vmw_vmci grace raid6_pq shpchp sunrpc parport_pc i2c_piix4 parport vmwgfx drm_kms_helper ttm drm serio_raw mptspi e1000 scsi_transport_spi mptscsih mptbase ata_generic pata_acpi [last unloaded: fscache]
[17844.686676] CPU: 0 PID: 21758 Comm: kworker/0:1 Tainted: G        W  OE   4.3.0-rc1-pnfs+ #245
[17844.687352] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 05/20/2014
[17844.698502] Workqueue: nfsiod rpc_async_release [sunrpc]
[17844.699212]  0000000000000009 0000000043e58010 ffff8800454fbc10 ffffffff813680c4
[17844.699990]  ffff8800454fbc48 ffffffff8108b49d ffff88004eb20000 ffff88004eb20000
[17844.700844]  ffff880062e26000 0000000000000000 0000000000000001 ffff8800454fbc58
[17844.701637] Call Trace:
[17844.725252]  [<ffffffff813680c4>] dump_stack+0x19/0x25
[17844.732693]  [<ffffffff8108b49d>] warn_slowpath_common+0x7d/0xb0
[17844.733855]  [<ffffffff8108b5da>] warn_slowpath_null+0x1a/0x20
[17844.735015]  [<ffffffffa04a27ca>] nfs_direct_select_verf+0x5a/0x70 [nfs]
[17844.735999]  [<ffffffffa04a2b83>] nfs_direct_set_hdr_verf+0x23/0x90 [nfs]
[17844.736846]  [<ffffffffa04a2e17>] nfs_direct_write_completion+0x227/0x260 [nfs]
[17844.737782]  [<ffffffffa04a433c>] nfs_pgio_release+0x1c/0x20 [nfs]
[17844.738597]  [<ffffffffa0502df3>] pnfs_generic_rw_release+0x23/0x30 [nfsv4]
[17844.739486]  [<ffffffffa01cbbea>] rpc_free_task+0x2a/0x70 [sunrpc]
[17844.740326]  [<ffffffffa01cbcd5>] rpc_async_release+0x15/0x20 [sunrpc]
[17844.741173]  [<ffffffff810a387c>] process_one_work+0x21c/0x4c0
[17844.741984]  [<ffffffff810a37cd>] ? process_one_work+0x16d/0x4c0
[17844.742837]  [<ffffffff810a3b6a>] worker_thread+0x4a/0x440
[17844.743639]  [<ffffffff810a3b20>] ? process_one_work+0x4c0/0x4c0
[17844.744399]  [<ffffffff810a3b20>] ? process_one_work+0x4c0/0x4c0
[17844.745176]  [<ffffffff810a8d75>] kthread+0xf5/0x110
[17844.745927]  [<ffffffff810a8c80>] ? kthread_create_on_node+0x240/0x240
[17844.747105]  [<ffffffff8172ce1f>] ret_from_fork+0x3f/0x70
[17844.747856]  [<ffffffff810a8c80>] ? kthread_create_on_node+0x240/0x240
[17844.748642] ---[ end trace 336a2845d42b83f0 ]---

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2015-09-22 18:09:14 -04:00
..
blocklayout NFS client updates for Linux 4.3 2015-09-07 14:02:24 -07:00
filelayout nfs/filelayout: Fix NULL reference caused by double freeing of fh_array 2015-09-17 18:10:28 -04:00
flexfilelayout NFSv4.1/flexfiles: Clean up ff_layout_write_done_cb/ff_layout_commit_done_cb 2015-09-02 15:24:54 -07:00
objlayout NFSv4.1/pnfs: Separate out metadata and data consistency for pNFS 2015-03-27 12:39:38 -04:00
cache_lib.c
cache_lib.h
callback.c NFS client updates for Linux 4.3 2015-09-07 14:02:24 -07:00
callback.h
callback_proc.c NFSv4: Add a tracepoint for CB_LAYOUTRECALL 2015-08-25 14:40:06 -04:00
callback_xdr.c NFS: Convert use of __constant_htonl to htonl 2015-06-10 18:57:59 -04:00
client.c NFS: Use RPC functions for matching sockaddrs 2015-08-17 13:29:51 -05:00
delegation.c NFSv4: Recovery of recalled read delegations is broken 2015-09-20 22:34:16 -04:00
delegation.h NFSv4: Recovery of recalled read delegations is broken 2015-09-20 22:34:16 -04:00
dir.c NFS: Rename nfs_readdir_free_pagearray() and nfs_readdir_large_page() 2015-08-17 13:29:31 -05:00
direct.c NFS: Skip checking ds_cinfo.buckets when lseg's commit_through_mds is set 2015-09-22 18:09:14 -04:00
dns_resolve.c NFS: Enabling v4.2 should not recompile nfsd and lockd 2013-11-19 16:20:40 -05:00
dns_resolve.h
file.c NFSv4: Respect the server imposed limit on how many changes we may cache 2015-09-07 12:36:17 -04:00
fscache-index.c NFS: Fabricate fscache server index key correctly 2014-09-25 21:25:18 -04:00
fscache.c nfs: define nfs_inc_fscache_stats and using it as possible 2014-11-24 20:08:47 -05:00
fscache.h
getroot.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
inode.c Revert "NFS: Make close(2) asynchronous when closing NFS O_DIRECT files" 2015-09-04 16:54:29 -04:00
internal.h NFSv4: Respect the server imposed limit on how many changes we may cache 2015-09-07 12:36:17 -04:00
iostat.h nfs: define nfs_inc_fscache_stats and using it as possible 2014-11-24 20:08:47 -05:00
Kconfig kernel: conditionally support non-root users, groups and capabilities 2015-04-15 16:35:22 -07:00
Makefile NFS: Rename idmap.c to nfs4idmap.c 2015-04-23 15:16:14 -04:00
mount_clnt.c
namespace.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
netns.h pnfs/blocklayout: serialize GETDEVICEINFO calls 2014-11-12 14:22:52 -05:00
nfs.h
nfs2super.c
nfs2xdr.c nfs: save server READ/WRITE/COMMIT status 2015-02-03 11:06:40 -08:00
nfs3_fs.h nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3acl.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
nfs3client.c nfs: set hostname when creating nfsv3 ds connection 2015-02-03 11:06:38 -08:00
nfs3proc.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
nfs3super.c nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3xdr.c xprtrdma: Fix large NFS SYMLINK calls 2015-08-05 16:21:28 -04:00
nfs4_fs.h NFS: Remove nfs41_server_notify_{target|highest}_slotid_update() 2015-08-17 13:32:00 -05:00
nfs4client.c NFS: Use RPC functions for matching sockaddrs 2015-08-17 13:29:51 -05:00
nfs4file.c NFSv4: Respect the server imposed limit on how many changes we may cache 2015-09-07 12:36:17 -04:00
nfs4getroot.c nfs: Remove invalid NFS_ATTR_FATTR_V4_REFERRAL checking in nfs4_get_rootfh 2015-07-01 11:31:22 -04:00
nfs4idmap.c NFS: Combine nfs_idmap_{init|quit}() and nfs_idmap_{init|quit}_keyring() 2015-08-17 13:29:56 -05:00
nfs4idmap.h NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4namespace.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
nfs4proc.c NFSv4.x/pnfs: Don't try to recover stateids twice in layoutget 2015-09-20 22:34:35 -04:00
nfs4renewd.c NFSv4.1: Fix an NFSv4.1 state renewal regression 2014-09-30 17:18:42 -04:00
nfs4session.c NFSv4.1: Don't set up a backchannel if the server didn't agree to do so 2015-02-18 12:30:47 -08:00
nfs4session.h NFSv4.1: Clear the old state by our client id before establishing a new lease 2015-03-03 21:52:30 -05:00
nfs4state.c Failing to send a CLOSE if file is opened WRONLY and server reboots on a 4.x mount 2015-09-17 15:48:11 -04:00
nfs4super.c NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4sysctl.c NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4trace.c
nfs4trace.h NFSv4: Add a tracepoint for CB_LAYOUTRECALL 2015-08-25 14:40:06 -04:00
nfs4xdr.c NFSv4: Express delegation limit in units of pages 2015-09-07 12:36:13 -04:00
nfs42.h nfs42: remove unused declaration 2015-08-25 20:06:56 -04:00
nfs42proc.c nfs: fix v4.2 SEEK on files over 2 gigs 2015-09-17 15:48:23 -04:00
nfs42xdr.c nfs42: decode_layoutstats does not need res parameter 2015-08-25 20:06:56 -04:00
nfsroot.c NFS: a couple off by ones 2015-01-30 20:43:30 -05:00
nfstrace.c NFSv4: Allow tracing of NFSv4 fsync calls 2015-03-27 12:39:34 -04:00
nfstrace.h NFS: fix the handling of NFS_INO_INVALID_DATA flag in nfs_revalidate_mapping 2014-01-27 15:35:56 -05:00
pagelist.c nfs: fix pg_test page count calculation 2015-09-17 15:48:23 -04:00
pnfs.c NFSv4.1/pNFS: Don't request a minimal read layout beyond the end of file 2015-08-31 02:05:47 -07:00
pnfs.h NFSv4.1/flexfiles: Allow coalescing of new layout segments and existing ones 2015-08-25 19:42:43 -04:00
pnfs_dev.c NFSv4.1: Don't cache deviceids that have no notifications 2015-03-27 12:32:24 -04:00
pnfs_nfs.c NFS41: fix list splice type 2015-08-20 13:43:53 -05:00
proc.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
read.c NFS: Do cleanup before resetting pageio read/write to mds 2015-09-20 13:46:45 -04:00
super.c NFS: Error out when register_shrinker fail in register_nfs_fs 2015-08-12 14:42:23 -04:00
symlink.c don't pass nameidata to ->follow_link() 2015-05-10 22:20:15 -04:00
sysctl.c nfs: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
unlink.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
write.c NFS: Do cleanup before resetting pageio read/write to mds 2015-09-20 13:46:45 -04:00