diff options
Diffstat (limited to 'fs/xfs/xfs_reflink.c')
| -rw-r--r-- | fs/xfs/xfs_reflink.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c index 9cc1c340d0ec..72de7179399d 100644 --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -1051,7 +1051,9 @@ xfs_reflink_remap_extent( * * If we are mapping a written extent into the file, we need to have * enough quota block count reservation to handle the blocks in that - * extent. + * extent. We log only the delta to the quota block counts, so if the + * extent we're unmapping also has blocks allocated to it, we don't + * need a quota reservation for the extent itself. * * Note that if we're replacing a delalloc reservation with a written * extent, we have to take the full quota reservation because removing @@ -1063,7 +1065,7 @@ xfs_reflink_remap_extent( qres = qdelta = 0; if (smap_mapped || dmap_written) qres = XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK); - if (dmap_written) + if (!smap_mapped && dmap_written) qres += dmap->br_blockcount; if (qres > 0) { error = xfs_trans_reserve_quota_nblks(tp, ip, qres, 0, |