xfs: refactor the ioend merging code

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Introduce two nicely abstracted helper, which can be moved to the iomap
code later.  Also use list_first_entry_or_null to simplify the code a
bit.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@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 2019-10-17 13:12:07 -07:00 • committed by Darrick J. Wong

parent 4e087a3b31

commit 433dad94ec

1 changed files with 42 additions and 31 deletions

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73

fs/xfs/xfs_aops.c

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