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NFS: File unlock needs to be a metadata synchronisation point 

File unlock needs to update both data and metadata on the NFS server
in order to act as a synchronisation point for other clients.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2015-03-26 15:55:49 -04:00
parent 4d346bea8f
commit d9dabc1a01
1 changed files with 1 additions and 1 deletions
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2
fs/nfs/file.c
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@ -780,7 +780,7 @@ do_unlk(struct file *filp, int cmd, struct file_lock *fl, int is_local)
* Flush all pending writes before doing anything
* with locks..
*/
nfs_sync_mapping(filp->f_mapping);
vfs_fsync(filp, 0);
l_ctx = nfs_get_lock_context(nfs_file_open_context(filp));
if (!IS_ERR(l_ctx)) {