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authorTrond Myklebust <Trond.Myklebust@netapp.com>2008-06-10 18:31:02 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-07-09 12:08:50 -0400
commitb5418383ef13f70528281546d02c15edc03d8567 (patch)
treea25d5e9c78c14af25a71046541eaa9f77819d9a9
parent0f38b873aeaae698c3693748438547c8493165fb (diff)
NFS: do_setlk(): don't flush caches when we have a delegation
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r--fs/nfs/file.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 7ac89a845a5..0213c21038f 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -602,7 +602,8 @@ static int do_setlk(struct file *filp, int cmd, struct file_lock *fl)
* This makes locking act as a cache coherency point.
*/
nfs_sync_mapping(filp->f_mapping);
- nfs_zap_caches(inode);
+ if (!nfs_have_delegation(inode, FMODE_READ))
+ nfs_zap_caches(inode);
out:
return status;
}