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xfs: support removing extents from CoW fork
authorDarrick J. Wong <darrick.wong@oracle.com>
Mon, 3 Oct 2016 16:11:35 +0000 (09:11 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Wed, 5 Oct 2016 20:55:40 +0000 (13:55 -0700)
commit4862cfe825c0087c14452b362e708a35da675f5e
treeedb9872e9374107b04b18efd21deab767b920e92tree
parentef4736678fc3ea426968bc82f907798ed5f51e85commit | diff
xfs: support removing extents from CoW fork

Create a helper method to remove extents from the CoW fork without
any of the side effects (rmapbt/bmbt updates) of the regular extent
deletion routine.  We'll eventually use this to clear out the CoW fork
during ioend processing.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
fs/xfs/libxfs/xfs_bmap.c diff | blob | blame | history
fs/xfs/libxfs/xfs_bmap.h diff | blob | blame | history
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