diff options
Diffstat (limited to 'fs/xfs/xfs_reflink.c')
| -rw-r--r-- | fs/xfs/xfs_reflink.c | 37 |
1 files changed, 12 insertions, 25 deletions
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 04c25ee6b6f8..a653739c9fb2 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -364,7 +364,6 @@ xfs_reflink_allocate_cow( xfs_fileoff_t offset_fsb = imap->br_startoff; xfs_filblks_t count_fsb = imap->br_blockcount; struct xfs_bmbt_irec got; - struct xfs_defer_ops dfops; struct xfs_trans *tp = NULL; int nimaps, error = 0; bool trimmed; @@ -424,7 +423,6 @@ retry: xfs_trans_ijoin(tp, ip, 0); - xfs_defer_init(tp, &dfops); nimaps = 1; /* Allocate the entire reservation as unwritten blocks. */ @@ -432,15 +430,11 @@ retry: XFS_BMAPI_COWFORK | XFS_BMAPI_PREALLOC, resblks, imap, &nimaps); if (error) - goto out_bmap_cancel; + goto out_trans_cancel; xfs_inode_set_cowblocks_tag(ip); /* Finish up. */ - error = xfs_defer_finish(&tp, tp->t_dfops); - if (error) - goto out_bmap_cancel; - error = xfs_trans_commit(tp); if (error) return error; @@ -453,8 +447,7 @@ retry: return -ENOSPC; convert: return xfs_reflink_convert_cow_extent(ip, imap, offset_fsb, count_fsb); -out_bmap_cancel: - xfs_defer_cancel(tp->t_dfops); +out_trans_cancel: xfs_trans_unreserve_quota_nblks(tp, ip, (long)resblks, 0, XFS_QMOPT_RES_REGBLKS); out: @@ -624,7 +617,6 @@ xfs_reflink_end_cow( struct xfs_trans *tp; xfs_fileoff_t offset_fsb; xfs_fileoff_t end_fsb; - struct xfs_defer_ops dfops; int error; unsigned int resblks; xfs_filblks_t rlen; @@ -691,11 +683,11 @@ xfs_reflink_end_cow( goto prev_extent; /* Unmap the old blocks in the data fork. */ - xfs_defer_init(tp, &dfops); + ASSERT(tp->t_dfops && tp->t_firstblock == NULLFSBLOCK); rlen = del.br_blockcount; error = __xfs_bunmapi(tp, ip, del.br_startoff, &rlen, 0, 1); if (error) - goto out_defer; + goto out_cancel; /* Trim the extent to whatever got unmapped. */ if (rlen) { @@ -708,13 +700,13 @@ xfs_reflink_end_cow( error = xfs_refcount_free_cow_extent(tp->t_mountp, tp->t_dfops, del.br_startblock, del.br_blockcount); if (error) - goto out_defer; + goto out_cancel; /* Map the new blocks into the data fork. */ error = xfs_bmap_map_extent(tp->t_mountp, tp->t_dfops, ip, &del); if (error) - goto out_defer; + goto out_cancel; /* Charge this new data fork mapping to the on-disk quota. */ xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_DELBCOUNT, @@ -726,7 +718,7 @@ xfs_reflink_end_cow( xfs_defer_ijoin(tp->t_dfops, ip); error = xfs_defer_finish(&tp, tp->t_dfops); if (error) - goto out_defer; + goto out_cancel; if (!xfs_iext_get_extent(ifp, &icur, &got)) break; continue; @@ -741,8 +733,6 @@ prev_extent: goto out; return 0; -out_defer: - xfs_defer_cancel(tp->t_dfops); out_cancel: xfs_trans_cancel(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -998,7 +988,6 @@ xfs_reflink_remap_extent( bool real_extent = xfs_bmap_is_real_extent(irec); struct xfs_trans *tp; unsigned int resblks; - struct xfs_defer_ops dfops; struct xfs_bmbt_irec uirec; xfs_filblks_t rlen; xfs_filblks_t unmap_len; @@ -1039,10 +1028,10 @@ xfs_reflink_remap_extent( /* Unmap the old blocks in the data fork. */ rlen = unmap_len; while (rlen) { - xfs_defer_init(tp, &dfops); + ASSERT(tp->t_dfops && tp->t_firstblock == NULLFSBLOCK); error = __xfs_bunmapi(tp, ip, destoff, &rlen, 0, 1); if (error) - goto out_defer; + goto out_cancel; /* * Trim the extent to whatever got unmapped. @@ -1063,12 +1052,12 @@ xfs_reflink_remap_extent( /* Update the refcount tree */ error = xfs_refcount_increase_extent(mp, tp->t_dfops, &uirec); if (error) - goto out_defer; + goto out_cancel; /* Map the new blocks into the data fork. */ error = xfs_bmap_map_extent(mp, tp->t_dfops, ip, &uirec); if (error) - goto out_defer; + goto out_cancel; /* Update quota accounting. */ xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, @@ -1090,7 +1079,7 @@ next_extent: xfs_defer_ijoin(tp->t_dfops, ip); error = xfs_defer_finish(&tp, tp->t_dfops); if (error) - goto out_defer; + goto out_cancel; } error = xfs_trans_commit(tp); @@ -1099,8 +1088,6 @@ next_extent: goto out; return 0; -out_defer: - xfs_defer_cancel(tp->t_dfops); out_cancel: xfs_trans_cancel(tp); xfs_iunlock(ip, XFS_ILOCK_EXCL); |