diff options
| -rw-r--r-- | module/zfs/dmu_send.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/module/zfs/dmu_send.c b/module/zfs/dmu_send.c index dee4cd775..c63ab43e1 100644 --- a/module/zfs/dmu_send.c +++ b/module/zfs/dmu_send.c @@ -454,6 +454,22 @@ static int dump_freeobjects(dmu_sendarg_t *dsp, uint64_t firstobj, uint64_t numobjs) { struct drr_freeobjects *drrfo = &(dsp->dsa_drr->drr_u.drr_freeobjects); + uint64_t maxobj = DNODES_PER_BLOCK * + (DMU_META_DNODE(dsp->dsa_os)->dn_maxblkid + 1); + + /* + * ZoL < 0.7 does not handle large FREEOBJECTS records correctly, + * leading to zfs recv never completing. to avoid this issue, don't + * send FREEOBJECTS records for object IDs which cannot exist on the + * receiving side. + */ + if (maxobj > 0) { + if (maxobj < firstobj) + return (0); + + if (maxobj < firstobj + numobjs) + numobjs = maxobj - firstobj; + } /* * If there is a pending op, but it's not PENDING_FREEOBJECTS, |