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Commit 10d9f309 authored by Al Viro's avatar Al Viro
Browse files

get rid of useless dget_parent() in btrfs rename() and link() 



->d_parent is locked and stable there...

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 2fbe8c8a

fs/btrfs/inode.c

+2 −4
Original line number Diff line number Diff line
@@ -4766,11 +4766,10 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir, 
	if (err) {

		drop_inode = 1;

	} else {

		struct dentry *parent = dget_parent(dentry);

		struct dentry *parent = dentry->d_parent;

		err = btrfs_update_inode(trans, root, inode);

		BUG_ON(err);

		btrfs_log_new_name(trans, inode, NULL, parent);

		dput(parent);

	}



	nr = trans->blocks_used;
@@ -7062,9 +7061,8 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry, 
	BUG_ON(ret);



	if (old_ino != BTRFS_FIRST_FREE_OBJECTID) {

		struct dentry *parent = dget_parent(new_dentry);

		struct dentry *parent = new_dentry->d_parent;

		btrfs_log_new_name(trans, old_inode, old_dir, parent);

		dput(parent);

		btrfs_end_log_trans(root);

	}

out_fail: