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-rw-r--r--fs/ceph/dir.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 6e4f43ff23ec..a1986eb52045 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1021,11 +1021,15 @@ out_touch:
static void ceph_dentry_release(struct dentry *dentry)
{
struct ceph_dentry_info *di = ceph_dentry(dentry);
- struct inode *parent_inode = dentry->d_parent->d_inode;
- u64 snapid = ceph_snap(parent_inode);
+ struct inode *parent_inode = NULL;
+ u64 snapid = CEPH_NOSNAP;
+ if (!IS_ROOT(dentry)) {
+ parent_inode = dentry->d_parent->d_inode;
+ if (parent_inode)
+ snapid = ceph_snap(parent_inode);
+ }
dout("dentry_release %p parent %p\n", dentry, parent_inode);
-
if (parent_inode && snapid != CEPH_SNAPDIR) {
struct ceph_inode_info *ci = ceph_inode(parent_inode);