From: Yan Zheng <zheng.yan@oracle.com>
Date: Mon, 5 Jan 2009 20:43:43 +0000 (-0500)
Subject: Btrfs: update directory's size when creating subvol/snapshot
X-Git-Tag: firefly_0821_release~15789^2~11^2~9
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=52c2617990fed072220708d6b771dc10f37547b0;p=firefly-linux-kernel-4.4.55.git

Btrfs: update directory's size when creating subvol/snapshot

Make sure directory's size properly updated when creating
subvol/snapshot.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
---

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 150784e936e6..ba484aac1b9c 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -147,6 +147,10 @@ static noinline int create_subvol(struct btrfs_root *root,
 	if (ret)
 		goto fail;
 
+	btrfs_i_size_write(dir, dir->i_size + namelen * 2);
+	ret = btrfs_update_inode(trans, root, dir);
+	BUG_ON(ret);
+
 	/* add the backref first */
 	ret = btrfs_add_root_ref(trans, root->fs_info->tree_root,
 				 objectid, BTRFS_ROOT_BACKREF_KEY,
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 4604178a43a9..4e7b56e9d3a5 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -819,6 +819,10 @@ static noinline int finish_pending_snapshot(struct btrfs_fs_info *fs_info,
 	if (ret)
 		goto fail;
 
+	btrfs_i_size_write(parent_inode, parent_inode->i_size + namelen * 2);
+	ret = btrfs_update_inode(trans, parent_root, parent_inode);
+	BUG_ON(ret);
+
 	/* add the backref first */
 	ret = btrfs_add_root_ref(trans, parent_root->fs_info->tree_root,
 				 pending->root_key.objectid,