Commit 51892bbb authored by Sage Weil's avatar Sage Weil Committed by Al Viro

vfs: clean up vfs_rename_other

Simplify control flow to match vfs_rename_dir.
Signed-off-by: default avatarSage Weil <sage@newdream.net>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 9055cba7
......@@ -3006,7 +3006,7 @@ static int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry,
static int vfs_rename_other(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry)
{
struct inode *target;
struct inode *target = new_dentry->d_inode;
int error;
error = security_inode_rename(old_dir, old_dentry, new_dir, new_dentry);
......@@ -3014,19 +3014,22 @@ static int vfs_rename_other(struct inode *old_dir, struct dentry *old_dentry,
return error;
dget(new_dentry);
target = new_dentry->d_inode;
if (target)
mutex_lock(&target->i_mutex);
if (d_mountpoint(old_dentry)||d_mountpoint(new_dentry))
error = -EBUSY;
else
if (d_mountpoint(old_dentry)||d_mountpoint(new_dentry))
goto out;
error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry);
if (!error) {
if (error)
goto out;
if (target)
dont_mount(new_dentry);
if (!(old_dir->i_sb->s_type->fs_flags & FS_RENAME_DOES_D_MOVE))
d_move(old_dentry, new_dentry);
}
out:
if (target)
mutex_unlock(&target->i_mutex);
dput(new_dentry);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment