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| author |   Trond Myklebust <trond.myklebust@primarydata.com> | 2015-02-26 17:54:58 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-03-01 23:23:06 -0500 |
| commit | 8f8ba1d739b7047e2e1d91735716af2799ff2b1e (patch) | |
| tree | 6a7269e0795220ed360a142bf3ad1901f1cb6822 /fs | |
| parent | NFS: Add attribute update barriers to NFS writebacks (diff) | |
| download | linux-dev-8f8ba1d739b7047e2e1d91735716af2799ff2b1e.tar.xz linux-dev-8f8ba1d739b7047e2e1d91735716af2799ff2b1e.zip | |
NFSv4: Add attribute update barriers to delegreturn and pNFS layoutcommit
Ensure that other operations that race with delegreturn and layoutcommit
cannot revert the attribute updates that were made on the server.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/inode.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index ff9a6795da46..cd094d652199 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1555,6 +1555,7 @@ int nfs_post_op_update_inode_force_wcc(struct inode *inode, struct nfs_fattr *fa int status; spin_lock(&inode->i_lock); + nfs_fattr_set_barrier(fattr); status = nfs_post_op_update_inode_force_wcc_locked(inode, fattr); spin_unlock(&inode->i_lock); return status; |