cifs: wait for tcon resource_id before getting fscache super
The logic for initializing tcon->resource_id is done inside
cifs_root_iget. fscache super cookie relies on this for aux
data. So we need to push the fscache initialization to this
later point during mount.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 90f38fb..7cc469e 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3046,12 +3046,6 @@
cifs_dbg(VFS, "read only mount of RW share\n");
/* no need to log a RW mount of a typical RW share */
}
- /*
- * The cookie is initialized from volume info returned above.
- * Inside cifs_fscache_get_super_cookie it checks
- * that we do not get super cookie twice.
- */
- cifs_fscache_get_super_cookie(tcon);
}
/*
diff --git a/fs/cifs/fscache.c b/fs/cifs/fscache.c
index 7e409a3..f4da693 100644
--- a/fs/cifs/fscache.c
+++ b/fs/cifs/fscache.c
@@ -92,7 +92,7 @@
* In the future, as we integrate with newer fscache features,
* we may want to instead add a check if cookie has changed
*/
- if (tcon->fscache == NULL)
+ if (tcon->fscache)
return;
sharename = extract_sharename(tcon->treeName);
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 8284841..96d083d 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1376,6 +1376,13 @@
inode = ERR_PTR(rc);
}
+ /*
+ * The cookie is initialized from volume info returned above.
+ * Inside cifs_fscache_get_super_cookie it checks
+ * that we do not get super cookie twice.
+ */
+ cifs_fscache_get_super_cookie(tcon);
+
out:
kfree(path);
free_xid(xid);
