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f8806c843f
linux/fs/nfs
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Trond Myklebust f8806c843f NFS: Fix writeback performance issue on cache invalidation 
If a cache invalidation is triggered, and we happen to have a lot of
writebacks cached at the time, then the call to invalidate_inode_pages2()
will end up calling ->launder_page() on each and every dirty page in order
to sync its contents to disk, thus defeating write coalescing.
The following patch ensures that we try to sync the inode to disk before
calling invalidate_inode_pages2() so that we do the writeback as efficiently
as possible.

Reported-by: William Dauchy <william@gandi.net>
Reported-by: Pascal Bouchareine <pascal@gandi.net>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Tested-by: William Dauchy <william@gandi.net>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
2013-08-07 17:07:40 -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 Merge branch 'labeled-nfs' into linux-next 2013-06-28 16:29:51 -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 Merge branch 'labeled-nfs' into linux-next 2013-06-28 16:29:51 -04:00
delegation.c locks: protect most of the file_lock handling with i_lock 2013-06-29 12:57:42 +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: Make nfs_readdir revalidate less often 2013-07-09 17:17:07 -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 fs: nfs: inform the VM about pages being committed or unstable 2013-07-03 16:07:29 -07:00
fscache-index.c NFS: Use the inode->i_version to cache NFSv4 change attribute information 2011-10-18 09:14:34 -07:00
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 NFS: Improve legacy idmapping fallback 2013-06-28 15:22:07 -04:00
inode.c NFS: Fix writeback performance issue on cache invalidation 2013-08-07 17:07:40 -04:00
internal.h Merge branch 'labeled-nfs' into linux-next 2013-06-28 16:29:51 -04:00
iostat.h
Kconfig Kconfig: Add Kconfig entry for Labeled NFS V4 client 2013-06-08 16:20:17 -04:00
Makefile NFSv4: Move the DNS resolver into the NFSv4 module 2013-06-18 13:47:18 -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 NFS client updates for Linux 3.11 2013-07-09 12:09:43 -07:00
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 Merge branch 'labeled-nfs' into linux-next 2013-06-28 16:29:51 -04:00
nfs4client.c Merge branch 'labeled-nfs' into linux-next 2013-06-28 16:29:51 -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 NFSv4.1: Use layout credentials for get_deviceinfo calls 2013-06-06 16:24:37 -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 NFS client updates for Linux 3.11 2013-07-09 12:09:43 -07:00
nfs4renewd.c workqueue: use mod_delayed_work() instead of cancel + queue 2012-08-13 16:27:37 -07:00
nfs4session.c NFSv4.1 Refactor nfs4_init_session and nfs4_init_channel_attrs 2013-06-28 15:55:19 -04:00
nfs4session.h NFSv4.1 Refactor nfs4_init_session and nfs4_init_channel_attrs 2013-06-28 15:55:19 -04:00
nfs4state.c NFS client updates for Linux 3.11 2013-07-09 12:09:43 -07:00
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
nfs4xdr.c NFSv4: Fix brainfart in attribute length calculation 2013-07-23 14:24:59 -07:00
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
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 NFSv4.1: Clean up layout segment comparison helper names 2013-06-18 13:47:18 -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 NFS:Add labels to client function prototypes 2013-06-08 16:20:15 -04:00
read.c NFS: Don't accept more reads/writes if the open context recovery failed 2013-03-25 12:04:10 -04:00
super.c Merge branch 'labeled-nfs' into linux-next 2013-06-28 16:29:51 -04:00
symlink.c
sysctl.c NFS: Initialize v4 sysctls from nfs_init_v4() 2012-07-17 13:33:18 -04:00
unlink.c helper for reading ->d_count 2013-07-05 18:59:33 +04:00
write.c NFS: Allow nfs_updatepage to extend a write under additional circumstances 2013-07-09 19:32:50 -04:00