From 4f1772645296a230e04f5c53e79cfb6f841ce634 Mon Sep 17 00:00:00 2001 From: Sage Weil Date: Tue, 26 Jul 2011 11:31:08 -0700 Subject: ceph: document locking for ceph_set_dentry_offset Reviewed-by: Yehuda Sadeh Signed-off-by: Sage Weil --- fs/ceph/inode.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'fs/ceph/inode.c') diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index a7db56f1523b..5f0013aafa4b 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -843,11 +843,13 @@ out_unlock: /* * Set dentry's directory position based on the current dir's max, and * order it in d_subdirs, so that dcache_readdir behaves. + * + * Always called under directory's i_mutex. */ static void ceph_set_dentry_offset(struct dentry *dn) { struct dentry *dir = dn->d_parent; - struct inode *inode = dn->d_parent->d_inode; + struct inode *inode = dir->d_inode; struct ceph_dentry_info *di; BUG_ON(!inode); -- cgit v1.2.3-59-g8ed1b