[PATCH 07/31] btrfs: simpilify btrfs_subvol_inherit_props
From: <hidden>
Date: 2016-06-24 22:15:29
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
From: Jeff Mahoney <redacted> We just need a superblock, but we look it up using two different roots depending on the call site. Let's just use a superblock pointer initialized at the outset. This is mostly for Coccinelle not to choke on my root push up set. Signed-off-by: Jeff Mahoney <redacted> --- fs/btrfs/props.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c
index 3699212..cf0b444 100644
--- a/fs/btrfs/props.c
+++ b/fs/btrfs/props.c@@ -350,6 +350,7 @@ int btrfs_subvol_inherit_props(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_root *parent_root) { + struct super_block *sb = root->fs_info->sb; struct btrfs_key key; struct inode *parent_inode, *child_inode; int ret;
@@ -358,12 +359,11 @@ int btrfs_subvol_inherit_props(struct btrfs_trans_handle *trans, key.type = BTRFS_INODE_ITEM_KEY; key.offset = 0; - parent_inode = btrfs_iget(parent_root->fs_info->sb, &key, - parent_root, NULL); + parent_inode = btrfs_iget(sb, &key, parent_root, NULL); if (IS_ERR(parent_inode)) return PTR_ERR(parent_inode); - child_inode = btrfs_iget(root->fs_info->sb, &key, root, NULL); + child_inode = btrfs_iget(sb, &key, root, NULL); if (IS_ERR(child_inode)) { iput(parent_inode); return PTR_ERR(child_inode);
--
2.7.1