Mercurial > illumos > illumos-gate
diff usr/src/uts/common/fs/zfs/dmu.c @ 14172:be36a38bac3d
4082 zfs receive gets EFBIG from dmu_tx_hold_free()
Reviewed by: Eric Schrock <eric.schrock@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
| author | Matthew Ahrens <mahrens@delphix.com> |
|---|---|
| date | Fri, 30 Aug 2013 01:19:35 -0800 |
| parents | dceb17481b99 |
| children |
line wrap: on
line diff
--- a/usr/src/uts/common/fs/zfs/dmu.c Thu Aug 29 10:56:49 2013 -0800 +++ b/usr/src/uts/common/fs/zfs/dmu.c Fri Aug 30 01:19:35 2013 -0800 @@ -673,6 +673,16 @@ if (err != 0) return (err); err = dmu_free_long_range_impl(os, dn, offset, length); + + /* + * It is important to zero out the maxblkid when freeing the entire + * file, so that (a) subsequent calls to dmu_free_long_range_impl() + * will take the fast path, and (b) dnode_reallocate() can verify + * that the entire file has been freed. + */ + if (offset == 0 && length == DMU_OBJECT_END) + dn->dn_maxblkid = 0; + dnode_rele(dn, FTAG); return (err); }