iomap: add a filesystem hook for direct I/O bio submission

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This helps filesystems to perform tasks on the bio while submitting for
I/O. This could be post-write operations such as data CRC or data
replication for fs-handled RAID.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Goldwyn Rodrigues 2019-05-14 18:54:27 -05:00 • committed by David Sterba

parent d85dc2e116

commit 8cecd0ba85

2 changed files with 12 additions and 5 deletions

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15

fs/iomap/direct-io.c

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2

include/linux/iomap.h

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