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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-12-16 18:04:47 -0500
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-12-19 17:29:37 -0500
commit9cdd1d3f1a8cea9cfe7953f45fae9ff51c37afa3 (patch)
treea3fe9caca162847df991c3557ad708254cceff33 /fs/nfs
parent61540bf6bb40ddfa3e766de91cedca2e1afd24eb (diff)
NFS: Only look at the change attribute cache state in nfs_weak_revalidate()
Just like in nfs_check_verifier(), we want to use nfs_mapping_need_revalidate_inode() to check our knowledge of the change attribute is up to date. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/dir.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index cb22a9f9ae7e..8f706f3e5c05 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1273,8 +1273,8 @@ out_error:
*/
static int nfs_weak_revalidate(struct dentry *dentry, unsigned int flags)
{
- int error;
struct inode *inode = d_inode(dentry);
+ int error = 0;
/*
* I believe we can only get a negative dentry here in the case of a
@@ -1293,7 +1293,8 @@ static int nfs_weak_revalidate(struct dentry *dentry, unsigned int flags)
return 0;
}
- error = nfs_revalidate_inode(NFS_SERVER(inode), inode);
+ if (nfs_mapping_need_revalidate_inode(inode))
+ error = __nfs_revalidate_inode(NFS_SERVER(inode), inode);
dfprintk(LOOKUPCACHE, "NFS: %s: inode %lu is %s\n",
__func__, inode->i_ino, error ? "invalid" : "valid");
return !error;