Btrfs: Invalidate dcache entry after creating snapshot and

[linux-2.6-block.git] / fs / btrfs / transaction.c

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 1cb084efd6ed30841a58337728b81c2c4946c47d..f04684f7fea33aa4a6227afe74f3cb6ce34e515a 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -560,6 +560,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
        struct btrfs_root *root = pending->root;
        struct extent_buffer *tmp;
        int ret;
+       int namelen;
        u64 objectid;
 
        new_root_item = kmalloc(sizeof(*new_root_item), GFP_NOFS);
@@ -595,8 +596,9 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
         * insert the directory item
         */
        key.offset = (u64)-1;
+       namelen = strlen(pending->name);
        ret = btrfs_insert_dir_item(trans, root->fs_info->tree_root,
-                                   pending->name, strlen(pending->name),
+                                   pending->name, namelen,
                                    root->fs_info->sb->s_root->d_inode->i_ino,
                                    &key, BTRFS_FT_DIR);
 
@@ -606,6 +608,10 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
        ret = btrfs_insert_inode_ref(trans, root->fs_info->tree_root,
                             pending->name, strlen(pending->name), objectid,
                             root->fs_info->sb->s_root->d_inode->i_ino);
+
+       /* Invalidate existing dcache entry for new snapshot. */
+       btrfs_invalidate_dcache_root(root, pending->name, namelen);
+
 fail:
        kfree(new_root_item);
        return ret;