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xfs: use new extent lookup helpers in xfs_reflink_cancel_cow_blocks 

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2016-11-24 11:39:50 +11:00 committed by Dave Chinner
parent 86f12ab05f
commit df5ab1b5a8
1 changed files with 4 additions and 8 deletions
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12
fs/xfs/xfs_reflink.c
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@ -492,18 +492,15 @@ xfs_reflink_cancel_cow_blocks(
xfs_fileoff_t end_fsb)
{
struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK);
struct xfs_bmbt_irec got, prev, del;
struct xfs_bmbt_irec got, del;
xfs_extnum_t idx;
xfs_fsblock_t firstfsb;
struct xfs_defer_ops dfops;
int error = 0, eof = 0;
int error = 0;
if (!xfs_is_reflink_inode(ip))
return 0;
xfs_bmap_search_extents(ip, offset_fsb, XFS_COW_FORK, &eof, &idx,
&got, &prev);
if (eof)
if (!xfs_iext_lookup_extent(ip, ifp, offset_fsb, &idx, &got))
return 0;
while (got.br_startoff < end_fsb) {
@ -546,9 +543,8 @@ xfs_reflink_cancel_cow_blocks(
xfs_bmap_del_extent_cow(ip, &idx, &got, &del);
}
if (++idx >= xfs_iext_count(ifp))
if (!xfs_iext_get_extent(ifp, ++idx, &got))
break;
xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx), &got);
}
/* clear tag if cow fork is emptied */