diff options
| author | Christoph Hellwig <hch@lst.de> | 2016-11-24 01:39:50 +0100 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2016-11-24 01:39:50 +0100 |
| commit | 86f12ab05ffc45fa88a09110f582875fa9f07c8a (patch) | |
| tree | 0cbe99a2057db3be71251e3df72b517d48a82e93 /fs/xfs | |
| parent | xfs: cleanup xfs_reflink_find_cow_mapping (diff) | |
| download | linux-86f12ab05ffc45fa88a09110f582875fa9f07c8a.tar.xz linux-86f12ab05ffc45fa88a09110f582875fa9f07c8a.zip | |
xfs: use new extent lookup helpers in xfs_reflink_trim_irec_to_next_cow
And remove the unused return value.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_reflink.c | 33 | ||||
| -rw-r--r-- | fs/xfs/xfs_reflink.h | 2 |
2 files changed, 13 insertions, 22 deletions
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index e92355a39304..d3cfae842237 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -451,43 +451,34 @@ xfs_reflink_find_cow_mapping( /* * Trim an extent to end at the next CoW reservation past offset_fsb. */ -int +void xfs_reflink_trim_irec_to_next_cow( struct xfs_inode *ip, xfs_fileoff_t offset_fsb, struct xfs_bmbt_irec *imap) { - struct xfs_bmbt_irec irec; - struct xfs_ifork *ifp; - struct xfs_bmbt_rec_host *gotp; + struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); + struct xfs_bmbt_irec got; xfs_extnum_t idx; if (!xfs_is_reflink_inode(ip)) - return 0; + return; /* Find the extent in the CoW fork. */ - ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); - gotp = xfs_iext_bno_to_ext(ifp, offset_fsb, &idx); - if (!gotp) - return 0; - xfs_bmbt_get_all(gotp, &irec); + if (!xfs_iext_lookup_extent(ip, ifp, offset_fsb, &idx, &got)) + return; /* This is the extent before; try sliding up one. */ - if (irec.br_startoff < offset_fsb) { - idx++; - if (idx >= xfs_iext_count(ifp)) - return 0; - gotp = xfs_iext_get_ext(ifp, idx); - xfs_bmbt_get_all(gotp, &irec); + if (got.br_startoff < offset_fsb) { + if (!xfs_iext_get_extent(ifp, idx + 1, &got)) + return; } - if (irec.br_startoff >= imap->br_startoff + imap->br_blockcount) - return 0; + if (got.br_startoff >= imap->br_startoff + imap->br_blockcount) + return; - imap->br_blockcount = irec.br_startoff - imap->br_startoff; + imap->br_blockcount = got.br_startoff - imap->br_startoff; trace_xfs_reflink_trim_irec(ip, imap); - - return 0; } /* diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index cff5fc329359..aa6a4d64bd35 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -32,7 +32,7 @@ extern int xfs_reflink_allocate_cow_range(struct xfs_inode *ip, xfs_off_t offset, xfs_off_t count); extern bool xfs_reflink_find_cow_mapping(struct xfs_inode *ip, xfs_off_t offset, struct xfs_bmbt_irec *imap); -extern int xfs_reflink_trim_irec_to_next_cow(struct xfs_inode *ip, +extern void xfs_reflink_trim_irec_to_next_cow(struct xfs_inode *ip, xfs_fileoff_t offset_fsb, struct xfs_bmbt_irec *imap); extern int xfs_reflink_cancel_cow_blocks(struct xfs_inode *ip, |