xfs: support bmapping delalloc extents in the CoW fork
authorDarrick J. Wong <darrick.wong@oracle.com>
Mon, 3 Oct 2016 16:11:32 +0000 (09:11 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Wed, 5 Oct 2016 01:06:40 +0000 (18:06 -0700)
commitbe51f8119c2f5e27437d2c4271f6419f3b8e609f
treefef093b1788635388760f3a9ea3ba44f51889361
parent3993baeb3c52f497d243a4a3b5510df97b22596b
xfs: support bmapping delalloc extents in the CoW fork

Allow the creation of delayed allocation extents in the CoW fork.  In
a subsequent patch we'll wire up iomap_begin to actually do this via
reflink helper functions.

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