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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-03-21 17:02:00 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-03-21 21:08:17 -0400 |
| commit | b31268ac793fd300da66b9c28bbf0a200339ab96 (patch) | |
| tree | 910978e11c5e6d94fb5be82f38cbc6d3ef65c020 /include/linux/nfs_fs.h | |
| parent | 8e26de238fd794c8ea56a5c98bf67c40cfeb051d (diff) | |
| download | lwn-b31268ac793fd300da66b9c28bbf0a200339ab96.tar.gz lwn-b31268ac793fd300da66b9c28bbf0a200339ab96.zip | |
FS: Use stable writes when not doing a bulk flush
If we're only doing a single write, and there are no other unstable
writes being queued up, we might want to just flip to using a stable
write RPC call.
Reviewed-by: NeilBrown <neilb@suse.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/nfs_fs.h')
| -rw-r--r-- | include/linux/nfs_fs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index f88522b10a38..cb2add401f25 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -33,6 +33,8 @@ #define FLUSH_STABLE 4 /* commit to stable storage */ #define FLUSH_LOWPRI 8 /* low priority background flush */ #define FLUSH_HIGHPRI 16 /* high priority memory reclaim flush */ +#define FLUSH_COND_STABLE 32 /* conditional stable write - only stable + * if everything fits in one RPC */ #ifdef __KERNEL__ |