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| author | Andy Adamson <andros@netapp.com> | 2011-03-23 13:27:54 +0000 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-03-23 15:29:04 -0400 |
| commit | 863a3c6c686d5773f7192a4818769e15db12ce08 (patch) | |
| tree | 3ff8bf04c583aa0c16ae30b0821bc9148d49a47a /fs/nfs/write.c | |
| parent | e0c2b3801828aadb65dec9f67f7c6b7a675ad007 (diff) | |
| download | op-kernel-dev-863a3c6c686d5773f7192a4818769e15db12ce08.zip op-kernel-dev-863a3c6c686d5773f7192a4818769e15db12ce08.tar.gz | |
NFSv4.1: layoutcommit
The filelayout driver sends LAYOUTCOMMIT only when COMMIT goes to
the data server (as opposed to the MDS) and the data server WRITE
is not NFS_FILE_SYNC.
Only whole file layout support means that there is only one IOMODE_RW layout
segment.
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Dean Hildebrand <dhildeb@us.ibm.com>
Signed-off-by: Fred Isaman <iisaman@citi.umich.edu>
Signed-off-by: Mingyang Guo <guomingyang@nrchpc.ac.cn>
Signed-off-by: Tao Guo <guotao@nrchpc.ac.cn>
Signed-off-by: Zhang Jingwang <zhangjingwang@nrchpc.ac.cn>
Tested-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
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 | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index e7aeda0..a03c11f 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -1562,7 +1562,20 @@ static int nfs_commit_unstable_pages(struct inode *inode, struct writeback_contr int nfs_write_inode(struct inode *inode, struct writeback_control *wbc) { - return nfs_commit_unstable_pages(inode, wbc); + int ret; + + ret = nfs_commit_unstable_pages(inode, wbc); + if (ret >= 0 && test_bit(NFS_INO_LAYOUTCOMMIT, &NFS_I(inode)->flags)) { + int status, sync = wbc->sync_mode; + + if (wbc->nonblocking || wbc->for_background) + sync = 0; + + status = pnfs_layoutcommit_inode(inode, sync); + if (status < 0) + return status; + } + return ret; } /* |
