diff options
Diffstat (limited to 'fs/xfs/xfs_reflink.c')
| -rw-r--r-- | fs/xfs/xfs_reflink.c | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index cf976ed65260..cc041a29eb70 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -353,29 +353,22 @@ xfs_reflink_convert_cow( xfs_off_t offset, xfs_off_t count) { - struct xfs_bmbt_irec got; - struct xfs_defer_ops dfops; struct xfs_mount *mp = ip->i_mount; - struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); xfs_fileoff_t offset_fsb = XFS_B_TO_FSBT(mp, offset); xfs_fileoff_t end_fsb = XFS_B_TO_FSB(mp, offset + count); - struct xfs_iext_cursor icur; - bool found; - int error = 0; - - xfs_ilock(ip, XFS_ILOCK_EXCL); + xfs_filblks_t count_fsb = end_fsb - offset_fsb; + struct xfs_bmbt_irec imap; + struct xfs_defer_ops dfops; + xfs_fsblock_t first_block = NULLFSBLOCK; + int nimaps = 1, error = 0; - /* Convert all the extents to real from unwritten. */ - for (found = xfs_iext_lookup_extent(ip, ifp, offset_fsb, &icur, &got); - found && got.br_startoff < end_fsb; - found = xfs_iext_next_extent(ifp, &icur, &got)) { - error = xfs_reflink_convert_cow_extent(ip, &got, offset_fsb, - end_fsb - offset_fsb, &dfops); - if (error) - break; - } + ASSERT(count != 0); - /* Finish up. */ + xfs_ilock(ip, XFS_ILOCK_EXCL); + error = xfs_bmapi_write(NULL, ip, offset_fsb, count_fsb, + XFS_BMAPI_COWFORK | XFS_BMAPI_CONVERT | + XFS_BMAPI_CONVERT_ONLY, &first_block, 0, &imap, &nimaps, + &dfops); xfs_iunlock(ip, XFS_ILOCK_EXCL); return error; } |