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| author | Fred Isaman <iisaman@netapp.com> | 2011-03-23 14:27:44 +0100 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-03-23 20:29:02 +0100 |
| commit | 465d52437d5ce8d4eb9da0d3e3818b51cff163a1 (patch) | |
| tree | eb78b7c5e1e07a6a726e6b7d5dbc683eaad26902 /fs/nfs/write.c | |
| parent | NFS: Detect loops in a readdir due to bad cookies (diff) | |
| download | linux-465d52437d5ce8d4eb9da0d3e3818b51cff163a1.tar.xz linux-465d52437d5ce8d4eb9da0d3e3818b51cff163a1.zip | |
NFSv4.1: don't send COMMIT to ds for data sync writes
Based on consensus reached in Feb 2011 interim IETF meeting regarding
use of LAYOUTCOMMIT, it has been decided that a NFS_DATA_SYNC return
from a WRITE to data server should not initiate a COMMIT.
Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/write.c')
| -rw-r--r-- | fs/nfs/write.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 55a8c3671233..92b4a6614fd3 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -474,7 +474,10 @@ nfs_clear_request_commit(struct nfs_page *req) static inline int nfs_write_need_commit(struct nfs_write_data *data) { - return data->verf.committed != NFS_FILE_SYNC; + if (data->verf.committed == NFS_DATA_SYNC) + return data->lseg == NULL; + else + return data->verf.committed != NFS_FILE_SYNC; } static inline |