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projects / GitHub / LineageOS / G12 / android_kernel_amlogic_linux-4.9.git / commit

author	Darrick J. Wong <darrick.wong@oracle.com>
	Mon, 3 Oct 2016 16:11:29 +0000 (09:11 -0700)
committer	Darrick J. Wong <darrick.wong@oracle.com>
	Wed, 5 Oct 2016 01:06:39 +0000 (18:06 -0700)
commit	4453593be6c54e7581467e80f4a2757be098a3a2
tree	4cf240b8ad3abc46bdba652b4e499f4d32955818	tree \| snapshot (tar.gz zip)
parent	17c12bcd3030e4b3247d0c961ce598c731a9dcf9	commit \| diff

xfs: return work remaining at the end of a bunmapi operation

Return the range of file blocks that bunmapi didn't free. This hint
is used by CoW and reflink to figure out what part of an extent
actually got freed so that it can set up the appropriate atomic
remapping of just the freed range.

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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