xfs: clean up inode locking for RENAME_WHITEOUT
When doing RENAME_WHITEOUT, we now have to lock 5 inodes into the rename transaction. This means we need to update xfs_sort_for_rename() and xfs_lock_inodes() to handle up to 5 inodes. Because of the vagaries of rename, this means we could have anywhere between 3 and 5 inodes locked into the transaction.... While xfs_lock_inodes() does not need anything other than an assert telling us we are passing more inodes that we ever thought we should see, it could do with a logic rework to remove all the indenting. This is not a functional change - it just makes the code a lot easier to read. Signed-off-by: NDave Chinner <dchinner@redhat.com> Reviewed-by: NEric Sandeen <sandeen@redhat.com> Reviewed-by: NBrian Foster <bfoster@redhat.com> Signed-off-by: NDave Chinner <david@fromorbit.com>
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