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authorAndy Adamson <andros@netapp.com>2011-03-23 13:27:54 +0000
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-03-23 15:29:04 -0400
commit863a3c6c686d5773f7192a4818769e15db12ce08 (patch)
tree3ff8bf04c583aa0c16ae30b0821bc9148d49a47a /fs/nfs/file.c
parente0c2b3801828aadb65dec9f67f7c6b7a675ad007 (diff)
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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/file.c')
-rw-r--r--fs/nfs/file.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index d85a534b15cd..85cb95de5df5 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -326,6 +326,9 @@ nfs_file_fsync(struct file *file, int datasync)
ret = xchg(&ctx->error, 0);
if (!ret && status < 0)
ret = status;
+ if (!ret && !datasync)
+ /* application has asked for meta-data sync */
+ ret = pnfs_layoutcommit_inode(inode, 1);
return ret;
}