xfs: separate freelist fixing into a separate helper

Break up xfs_free_extent() into a helper that fixes the freelist.
This helper will be used subsequently to ensure the freelist during
deferred rmap processing.

[darrick: refactor to put this at the head of the patchset]

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Dave Chinner 2016-06-21 11:53:28 +10:00 • committed by Dave Chinner
commit 4d89e20bf1
2 changed files with 56 additions and 30 deletions