aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTrond Myklebust2021-03-08 14:42:52 -0500
committerAnna Schumaker2021-03-08 15:57:17 -0500
commit47397915ede0192235474b145ebcd81b37b03624 (patch)
tree21d915db3275d499fa198b9e5f8726f09f8e8815
parent82e7ca1334ab16e2e04fafded1cab9dfcdc11b40 (diff)
NFS: Don't gratuitously clear the inode cache when lookup failed
The fact that the lookup revalidation failed, does not mean that the inode contents have changed. Fixes: 5ceb9d7fdaaf ("NFS: Refactor nfs_lookup_revalidate()") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
-rw-r--r--fs/nfs/dir.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 08b162de627f..a91f324cca49 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1444,18 +1444,14 @@ nfs_lookup_revalidate_done(struct inode *dir, struct dentry *dentry,
__func__, dentry);
return 1;
case 0:
- if (inode && S_ISDIR(inode->i_mode)) {
- /* Purge readdir caches. */
- nfs_zap_caches(inode);
- /*
- * We can't d_drop the root of a disconnected tree:
- * its d_hash is on the s_anon list and d_drop() would hide
- * it from shrink_dcache_for_unmount(), leading to busy
- * inodes on unmount and further oopses.
- */
- if (IS_ROOT(dentry))
- return 1;
- }
+ /*
+ * We can't d_drop the root of a disconnected tree:
+ * its d_hash is on the s_anon list and d_drop() would hide
+ * it from shrink_dcache_for_unmount(), leading to busy
+ * inodes on unmount and further oopses.
+ */
+ if (inode && IS_ROOT(dentry))
+ return 1;
dfprintk(LOOKUPCACHE, "NFS: %s(%pd2) is invalid\n",
__func__, dentry);
return 0;