fs: add iomap_file_dirty

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Originally-From: Christoph Hellwig <hch@lst.de>

This function uses the iomap infrastructure to re-write all pages
in a given range.  This is useful for doing a copy-up of COW ranges,
and might be useful for scrubbing in the future.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

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Christoph Hellwig 2016-09-19 10:12:45 +10:00 • committed by Dave Chinner

parent ea78d80866

commit 5f4e5752a8

2 changed files with 84 additions and 0 deletions

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82

fs/iomap.c

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2

include/linux/iomap.h

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