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xfs: use new extent lookup helpers in __xfs_reflink_reserve_cow

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commit 2755fc4438501c8c28e7783df890e889f6772bee upstream.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christoph Hellwig 2017-01-09 16:38:44 +01:00 committed by Greg Kroah-Hartman
parent cf168f2ff8
commit 4a323331d8
1 changed files with 7 additions and 5 deletions
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12
fs/xfs/xfs_reflink.c
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@ -243,10 +243,11 @@ xfs_reflink_reserve_cow(
struct xfs_bmbt_irec *imap,
bool *shared)
{
struct xfs_bmbt_irec got, prev;
struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK);
struct xfs_bmbt_irec got;
xfs_fileoff_t end_fsb, orig_end_fsb;
int eof = 0, error = 0;
bool trimmed;
int error = 0;
bool eof = false, trimmed;
xfs_extnum_t idx;
xfs_extlen_t align;
@ -258,8 +259,9 @@ xfs_reflink_reserve_cow(
* extent list is generally faster than going out to the shared extent
* tree.
*/
xfs_bmap_search_extents(ip, imap->br_startoff, XFS_COW_FORK, &eof, &idx,
&got, &prev);
if (!xfs_iext_lookup_extent(ip, ifp, imap->br_startoff, &idx, &got))
eof = true;
if (!eof && got.br_startoff <= imap->br_startoff) {
trace_xfs_reflink_cow_found(ip, imap);
xfs_trim_extent(imap, got.br_startoff, got.br_blockcount);