xfs: simplify xfs_aops_discard_page

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Instead of looking at the buffer heads to see if a block is delalloc just
call xfs_bmap_punch_delalloc_range on the whole page - this will leave
any non-delalloc block intact and handle the iteration for us.  As a side
effect one more place stops caring about buffer heads and we can remove the
xfs_check_page_type function entirely.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

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Christoph Hellwig 2018-07-11 22:25:57 -07:00 • committed by Darrick J. Wong

parent 8b2e77c163

commit 0362572138

1 changed files with 9 additions and 76 deletions

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fs/xfs/xfs_aops.c

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