Merge tag 'idmapped-mounts-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git...

[platform/kernel/linux-rpi.git] / fs / cifs / dir.c

diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 68f4f85..a3fb81e 100644 (file)
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -737,6 +737,7 @@ static int
 cifs_d_revalidate(struct dentry *direntry, unsigned int flags)
 {
        struct inode *inode;
+       int rc;
 
        if (flags & LOOKUP_RCU)
                return -ECHILD;
@@ -746,8 +747,25 @@ cifs_d_revalidate(struct dentry *direntry, unsigned int flags)
                if ((flags & LOOKUP_REVAL) && !CIFS_CACHE_READ(CIFS_I(inode)))
                        CIFS_I(inode)->time = 0; /* force reval */
 
-               if (cifs_revalidate_dentry(direntry))
-                       return 0;
+               rc = cifs_revalidate_dentry(direntry);
+               if (rc) {
+                       cifs_dbg(FYI, "cifs_revalidate_dentry failed with rc=%d", rc);
+                       switch (rc) {
+                       case -ENOENT:
+                       case -ESTALE:
+                               /*
+                                * Those errors mean the dentry is invalid
+                                * (file was deleted or recreated)
+                                */
+                               return 0;
+                       default:
+                               /*
+                                * Otherwise some unexpected error happened
+                                * report it as-is to VFS layer
+                                */
+                               return rc;
+                       }
+               }
                else {
                        /*
                         * If the inode wasn't known to be a dfs entry when