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0f1d260550
linux/fs/nfs
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Trond Myklebust 0f1d260550 NFS: Don't check lock owner compatibility in writes unless file is locked 
If we're doing buffered writes, and there is no file locking involved,
then we don't have to worry about whether or not the lock owner information
is identical.
By relaxing this check, we ensure that fork()ed child processes can write
to a page without having to first sync dirty data that was written
by the parent to disk.

Reported-by: Quentin Barnes <qbarnes@gmail.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Tested-by: Quentin Barnes <qbarnes@gmail.com>
2013-09-05 18:11:42 -04:00
..
blocklayout NFSv4.1 use pnfs_device maxcount for the blocklayout gdia_maxcount 2013-06-28 15:34:44 -04:00
objlayout NFSv4.1 use pnfs_device maxcount for the objectlayout gdia_maxcount 2013-06-28 15:34:45 -04:00
cache_lib.c NFS: simplify and clean cache library 2013-02-15 10:43:36 -05:00
cache_lib.h NFS: simplify and clean cache library 2013-02-15 10:43:36 -05:00
callback_proc.c NFS: When displaying session slot numbers, use "%u" consistently 2013-09-03 15:26:30 -04:00
callback_xdr.c Merge branch 'labeled-nfs' into linux-next 2013-06-28 16:29:51 -04:00
callback.c NFS client updates for Linux 3.11 2013-07-09 12:09:43 -07:00
callback.h NFS: Add in v4.2 callback operation 2013-06-08 16:20:18 -04:00
client.c NFS Remove unused authflavour parameter from init_client 2013-08-07 13:09:30 -04:00
delegation.c NFSv4: Add tracepoints for debugging delegations 2013-08-22 08:58:24 -04:00
delegation.h NFSv4: Fix CB_RECALL_ANY to only return delegations that are not in use 2013-04-05 17:03:57 -04:00
dir.c NFS: Ensure that rmdir() waits for sillyrenames to complete 2013-09-03 15:26:29 -04:00
direct.c nfs: fix page dirtying in NFS DIO read codepath 2012-12-12 12:56:19 -05:00
dns_resolve.c NFSv4: Move the DNS resolver into the NFSv4 module 2013-06-18 13:47:18 -04:00
dns_resolve.h NFS: DNS resolver cache per network namespace context introduced 2012-01-31 18:20:26 -05:00
file.c NFS avoid expired credential keys for buffered writes 2013-09-03 15:25:09 -04:00
fscache-index.c
fscache.c NFS4: Open files for fscaching 2012-12-20 22:19:42 +00:00
fscache.h NFS: Provide stub nfs_fscache_wait_on_invalidate() for when CONFIG_NFS_FSCACHE=n 2012-12-21 08:06:48 -08:00
getroot.c NFS:Add labels to client function prototypes 2013-06-08 16:20:15 -04:00
idmap.c NFSv4: Convert idmapper to use the new framework for pipefs dentries 2013-09-01 11:12:42 -04:00
inode.c NFS: Add event tracing for generic NFS events 2013-08-22 08:58:17 -04:00
internal.h NFS avoid expired credential keys for buffered writes 2013-09-03 15:25:09 -04:00
iostat.h
Kconfig Kconfig: Add Kconfig entry for Labeled NFS V4 client 2013-06-08 16:20:17 -04:00
Makefile NFS: Enable slot table helpers for NFSv4.0 2013-09-03 15:26:33 -04:00
mount_clnt.c nfs: have nfs_mount fake up a auth_flavs list when the server didn't provide it 2013-06-28 15:51:51 -04:00
namespace.c NFS:Add labels to client function prototypes 2013-06-08 16:20:15 -04:00
netns.h nfs: include NFSv4 header in netns.h 2012-10-02 08:17:02 -07:00
nfs2super.c NFS: Convert v2 into a module 2012-07-30 19:06:41 -04:00
nfs2xdr.c nfs: Convert nfs2xdr to use kuids and kgids 2013-02-13 06:15:30 -08:00
nfs3acl.c userns: Pass a userns parameter into posix_acl_to_xattr and posix_acl_from_xattr 2012-09-18 01:01:35 -07:00
nfs3client.c NFS: Only initialize the ACL client in the v3 case 2012-07-30 19:05:54 -04:00
nfs3proc.c NFSv4: Don't try to recover NFSv4 locks when they are lost. 2013-09-04 12:26:32 -04:00
nfs3super.c NFS: Convert v3 into a module 2012-07-30 19:06:46 -04:00
nfs3xdr.c nfs: Convert nfs3xdr to use kuids and kgids 2013-02-13 06:15:31 -08:00
nfs4_fs.h nfs4.1: Add SP4_MACH_CRED write and commit support 2013-09-05 10:50:45 -04:00
nfs4client.c NFS: Add a slot table to struct nfs_client for NFSv4.0 transport blocking 2013-09-03 15:26:35 -04:00
nfs4file.c NFSv4: Move dentry instantiation into the NFSv4-specific atomic open code 2013-06-06 16:24:43 -04:00
nfs4filelayout.c NFSv4: Add tracepoints for debugging reads and writes 2013-08-22 08:58:26 -04:00
nfs4filelayout.h NFSv4.1: Use layout credentials for get_deviceinfo calls 2013-06-06 16:24:37 -04:00
nfs4filelayoutdev.c NFSv4.1 Fix gdia_maxcount calculation to fit in ca_maxresponsesize 2013-06-28 15:34:43 -04:00
nfs4getroot.c NFSv4: fs/nfs/nfs4getroot.c needs to include "internal.h" 2012-10-16 12:37:59 -04:00
nfs4namespace.c SUNRPC: Introduce rpcauth_get_pseudoflavor() 2013-03-29 15:43:07 -04:00
nfs4proc.c nfs4: Map NFS4ERR_WRONG_CRED to EPERM 2013-09-05 10:51:22 -04:00
nfs4renewd.c workqueue: use mod_delayed_work() instead of cancel + queue 2012-08-13 16:27:37 -07:00
nfs4session.c When CONFIG_NFS_V4_1 is not enabled, "make C=2" emits this warning: 2013-09-04 12:26:30 -04:00
nfs4session.h When CONFIG_NFS_V4_1 is not enabled, "make C=2" emits this warning: 2013-09-04 12:26:30 -04:00
nfs4state.c NFSv4: Don't try to recover NFSv4 locks when they are lost. 2013-09-04 12:26:32 -04:00
nfs4super.c NFSv4: Move the DNS resolver into the NFSv4 module 2013-06-18 13:47:18 -04:00
nfs4sysctl.c nfs: include nfs4_fh.h in nfs4sysctl.c 2012-10-02 08:17:03 -07:00
nfs4trace.c NFSv4.1: Add tracepoints for debugging slot table operations 2013-08-22 08:58:27 -04:00
nfs4trace.h NFSv4.1: Add tracepoints for debugging test_stateid events 2013-08-22 08:58:27 -04:00
nfs4xdr.c nfs4.1: Minimal SP4_MACH_CRED implementation 2013-09-05 10:40:45 -04:00
nfs.h NFS: Convert v4 into a module 2012-07-30 19:06:52 -04:00
nfsroot.c SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG 2012-03-20 13:08:26 -04:00
nfstrace.c NFS: Add event tracing for generic NFS lookups 2013-08-22 08:58:18 -04:00
nfstrace.h NFS: Add tracepoints for debugging NFS hard links 2013-08-22 08:58:20 -04:00
pagelist.c NFS: Add functionality to allow waiting on all outstanding reads to complete 2013-04-08 22:12:33 -04:00
pnfs_dev.c hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00
pnfs.c NFSv4: Add tracepoints for debugging reads and writes 2013-08-22 08:58:26 -04:00
pnfs.h NFSv4.1 Fix gdia_maxcount calculation to fit in ca_maxresponsesize 2013-06-28 15:34:43 -04:00
proc.c NFSv4: Don't try to recover NFSv4 locks when they are lost. 2013-09-04 12:26:32 -04:00
read.c NFSv4: Don't try to recover NFSv4 locks when they are lost. 2013-09-04 12:26:32 -04:00
super.c NFSv4: Document the recover_lost_locks kernel parameter 2013-09-04 12:26:32 -04:00
symlink.c
sysctl.c NFS: Initialize v4 sysctls from nfs_init_v4() 2012-07-17 13:33:18 -04:00
unlink.c NFS: Ensure that rmdir() waits for sillyrenames to complete 2013-09-03 15:26:29 -04:00
write.c NFS: Don't check lock owner compatibility in writes unless file is locked 2013-09-05 18:11:42 -04:00