Commit b3ae244e authored by David Sterba's avatar David Sterba Committed by Chris Mason

btrfs: return EPERM upon rmdir on a subvolume

A subvolume cannot be deleted via rmdir, but the error code ENOTEMPTY
is confusing. Return EPERM instead, as this is not permitted.
Signed-off-by: default avatarDavid Sterba <dsterba@suse.cz>
parent ebb3dad4
......@@ -3200,9 +3200,10 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
struct btrfs_trans_handle *trans;
unsigned long nr = 0;
if (inode->i_size > BTRFS_EMPTY_DIR_SIZE ||
btrfs_ino(inode) == BTRFS_FIRST_FREE_OBJECTID)
if (inode->i_size > BTRFS_EMPTY_DIR_SIZE)
return -ENOTEMPTY;
if (btrfs_ino(inode) == BTRFS_FIRST_FREE_OBJECTID)
return -EPERM;
trans = __unlink_start_trans(dir, dentry);
if (IS_ERR(trans))
......
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