From b5418383ef13f70528281546d02c15edc03d8567 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 10 Jun 2008 18:31:02 -0400 Subject: [PATCH] NFS: do_setlk(): don't flush caches when we have a delegation Signed-off-by: Trond Myklebust --- fs/nfs/file.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 7ac89a845a5e..0213c21038fa 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; }