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9bf87482dd
linux/fs/nfs
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Peng Tao 9bf87482dd nfs41: serialize first layoutget of a file 
Per RFC 5661 Errata 3208:
| A client MAY always forget its layout state and associated
| layout stateid at any time (See also section 12.5.5.1).
| In such case, the client MUST use a non-layout stateid for the next
| LAYOUTGET operation. This will signal the server that the client has
| no more layouts on the file and its respective layout state can be
| released before issuing a new layout in response to LAYOUTGET.

In order to make such a signal unique to server, client needs to serialize
all layoutgets using non-layout stateid. We implement this by serializing
layoutgets when client has no layout segments at hand.

Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
2015-02-03 11:06:39 -08:00
..
blocklayout Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-12-10 16:10:49 -08:00
filelayout nfs: allow to specify cred in nfs_initiate_pgio 2015-02-03 11:06:37 -08:00
objlayout Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd 2014-10-21 12:53:45 -07:00
cache_lib.c
cache_lib.h
callback_proc.c NFS: fix subtle change in COMMIT behavior 2014-11-24 17:00:42 -05:00
callback_xdr.c Merge branch 'labeled-nfs' into linux-next 2013-06-28 16:29:51 -04:00
callback.c nfs: do not start the callback thread until we set rqstp->rq_task 2014-09-02 17:53:30 -04:00
callback.h
client.c Merge branch 'bugfixes' into linux-next 2014-09-30 17:21:41 -04:00
delegation.c NFS: Don't try to reclaim delegation open state if recovery failed 2014-11-12 17:19:04 -05:00
delegation.h NFSv4: Fix races between nfs_remove_bad_delegation() and delegation return 2014-11-12 17:19:04 -05:00
dir.c Merge branch 'iov_iter' into for-next 2014-12-08 20:39:29 -05:00
direct.c pnfs: Do not grab the commit_info lock twice when rescheduling writes 2015-02-03 11:06:31 -08:00
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 Merge branch 'for-3.18/core' of git://git.kernel.dk/linux-block 2014-10-18 11:53:51 -07:00
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 NFS: Use i_writecount to control whether to get an fscache cookie in nfs_open() 2013-09-27 18:40:25 +01:00
getroot.c switch d_materialise_unique() users to d_splice_alias() 2014-11-19 13:01:20 -05:00
idmap.c KEYS: Remove key_type::match in favour of overriding default by match_preparse 2014-09-16 17:36:06 +01:00
inode.c nfs: Add ALLOCATE support 2014-11-25 16:38:32 -05:00
internal.h nfs: allow to specify cred in nfs_initiate_pgio 2015-02-03 11:06:37 -08:00
iostat.h nfs: define nfs_inc_fscache_stats and using it as possible 2014-11-24 20:08:47 -05:00
Kconfig nfs: fix pnfs Kconfig defaults 2013-11-15 13:41:43 -05:00
Makefile pnfs: Prepare for flexfiles by pulling out common code 2015-02-03 11:06:31 -08:00
mount_clnt.c
namespace.c nfs: use %p[dD] instead of open-coded (and often racy) equivalents 2013-10-24 23:34:50 -04:00
netns.h pnfs/blocklayout: serialize GETDEVICEINFO calls 2014-11-12 14:22:52 -05:00
nfs2super.c
nfs2xdr.c NFS: Create a common results structure for reads and writes 2014-05-28 18:12:43 -04:00
nfs3_fs.h nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3acl.c NFSv3: Fix missing includes of nfs3_fs.h 2014-09-25 16:28:53 -04:00
nfs3client.c nfs: set hostname when creating nfsv3 ds connection 2015-02-03 11:06:38 -08:00
nfs3proc.c NFSv4.1/NFSv3: Add pNFS callbacks for nfs3_(read|write|commit)_done() 2015-02-03 11:06:37 -08:00
nfs3super.c nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3xdr.c NFS: Create a common results structure for reads and writes 2014-05-28 18:12:43 -04:00
nfs4_fs.h nfs4: export nfs4_sequence_done 2015-02-03 11:06:36 -08:00
nfs4client.c nfs41: allow LD to choose DS connection version/minor_version 2015-02-03 11:06:34 -08:00
nfs4file.c nfs: Add DEALLOCATE support 2014-11-25 16:38:32 -05:00
nfs4getroot.c NFSv4: Fix security auto-negotiation 2013-09-07 16:18:30 -04:00
nfs4namespace.c NFSv4: test SECINFO RPC_AUTH_GSS pseudoflavors for support 2014-06-24 18:46:58 -04:00
nfs4proc.c nfs4: export nfs4_sequence_done 2015-02-03 11:06:36 -08:00
nfs4renewd.c NFSv4.1: Fix an NFSv4.1 state renewal regression 2014-09-30 17:18:42 -04:00
nfs4session.c NFSv4.1: nfs4_destroy_session must call rpc_destroy_waitqueue 2014-02-01 15:13:39 -05:00
nfs4session.h NFSv4.1: nfs4_destroy_session must call rpc_destroy_waitqueue 2014-02-01 15:13:39 -05:00
nfs4state.c Merge branch 'bugfixes' into linux-next 2014-09-30 17:21:41 -04:00
nfs4super.c nfs41: create NFSv3 DS connection if specified 2015-02-03 11:06:35 -08:00
nfs4sysctl.c nfs: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
nfs4trace.c NFSv4.1: Add tracepoints for debugging slot table operations 2013-08-22 08:58:27 -04:00
nfs4trace.h nfs: merge nfs_pgio_data into _header 2014-06-24 18:47:00 -04:00
nfs4xdr.c NFS: Generic client side changes from Chuck 2014-11-26 17:34:14 -05:00
nfs42.h nfs: Add DEALLOCATE support 2014-11-25 16:38:32 -05:00
nfs42proc.c nfs: Add DEALLOCATE support 2014-11-25 16:38:32 -05:00
nfs42xdr.c nfs: Add DEALLOCATE support 2014-11-25 16:38:32 -05:00
nfs.h
nfsroot.c
nfstrace.c NFS: Add event tracing for generic NFS lookups 2013-08-22 08:58:18 -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: allow to specify cred in nfs_initiate_pgio 2015-02-03 11:06:37 -08:00
pnfs_dev.c pnfs: remove GETDEVICELIST implementation 2014-09-12 13:20:54 -04:00
pnfs_nfs.c nfs: allow different protocol in nfs_initiate_commit 2015-02-03 11:06:35 -08:00
pnfs.c nfs41: serialize first layoutget of a file 2015-02-03 11:06:39 -08:00
pnfs.h nfs41: serialize first layoutget of a file 2015-02-03 11:06:39 -08:00
proc.c nfs: merge nfs_pgio_data into _header 2014-06-24 18:47:00 -04:00
read.c pnfs: Add nfs_rpc_ops in calls to nfs_initiate_pgio 2015-02-03 11:06:35 -08:00
super.c NFS: Remove v3 not compiled check from validate_mount_data() 2014-09-12 13:50:20 -04:00
symlink.c
sysctl.c nfs: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
unlink.c nfs: emit a fsnotify_nameremove call in sillyrename codepath 2014-03-17 15:14:17 -04:00
write.c nfs: allow different protocol in nfs_initiate_commit 2015-02-03 11:06:35 -08:00