vfs: Add iomap_seek_hole and iomap_seek_data helpers

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Filesystems can use this for implementing lseek SEEK_HOLE / SEEK_DATA
support via iomap.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
[hch: split functions, coding style cleanups]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

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Andreas Gruenbacher 2017-06-29 11:43:21 -07:00 • committed by Darrick J. Wong

parent 334fd34d76

commit 0ed3b0d45f

2 changed files with 98 additions and 0 deletions

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94

fs/iomap.c

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4

include/linux/iomap.h

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