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Diffstat (limited to 'fs/ceph/inode.c')
-rw-r--r--fs/ceph/inode.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index bb68c799074d..2c6944473366 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -842,11 +842,13 @@ static void ceph_set_dentry_offset(struct dentry *dn)
spin_unlock(&inode->i_lock);
spin_lock(&dcache_lock);
- spin_lock(&dn->d_lock);
+ spin_lock(&dir->d_lock);
+ spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
list_move(&dn->d_u.d_child, &dir->d_subdirs);
dout("set_dentry_offset %p %lld (%p %p)\n", dn, di->offset,
dn->d_u.d_child.prev, dn->d_u.d_child.next);
spin_unlock(&dn->d_lock);
+ spin_unlock(&dir->d_lock);
spin_unlock(&dcache_lock);
}
@@ -1232,9 +1234,11 @@ retry_lookup:
} else {
/* reorder parent's d_subdirs */
spin_lock(&dcache_lock);
- spin_lock(&dn->d_lock);
+ spin_lock(&parent->d_lock);
+ spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
list_move(&dn->d_u.d_child, &parent->d_subdirs);
spin_unlock(&dn->d_lock);
+ spin_unlock(&parent->d_lock);
spin_unlock(&dcache_lock);
}