xfs: use iomap for blocksize == PAGE_SIZE readpage and readpages

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For file systems with a block size that equals the page size we never do
partial reads, so we can use the buffer_head-less iomap versions of
readpage and readpages without conflicting with the buffer_head structures
create later in write_begin.

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 2018-07-11 22:25:56 -07:00 • committed by Darrick J. Wong

parent c2efdfc100

commit 8b2e77c163

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fs/xfs/xfs_aops.c

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