diff options
Diffstat (limited to 'module/zfs/dbuf.c')
| -rw-r--r-- | module/zfs/dbuf.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c index 096d18358..b0b1bffab 100644 --- a/module/zfs/dbuf.c +++ b/module/zfs/dbuf.c @@ -1170,7 +1170,6 @@ int dbuf_read(dmu_buf_impl_t *db, zio_t *zio, uint32_t flags) { int err = 0; - boolean_t havepzio = (zio != NULL); boolean_t prefetch; dnode_t *dn; @@ -1214,11 +1213,13 @@ dbuf_read(dmu_buf_impl_t *db, zio_t *zio, uint32_t flags) DB_DNODE_EXIT(db); } else if (db->db_state == DB_UNCACHED) { spa_t *spa = dn->dn_objset->os_spa; + boolean_t need_wait = B_FALSE; if (zio == NULL && - db->db_blkptr != NULL && !BP_IS_HOLE(db->db_blkptr)) + db->db_blkptr != NULL && !BP_IS_HOLE(db->db_blkptr)) { zio = zio_root(spa, NULL, NULL, ZIO_FLAG_CANFAIL); - + need_wait = B_TRUE; + } err = dbuf_read_impl(db, zio, flags); /* dbuf_read_impl has dropped db_mtx for us */ @@ -1230,7 +1231,7 @@ dbuf_read(dmu_buf_impl_t *db, zio_t *zio, uint32_t flags) rw_exit(&dn->dn_struct_rwlock); DB_DNODE_EXIT(db); - if (!err && !havepzio && zio != NULL) + if (!err && need_wait) err = zio_wait(zio); } else { /* @@ -1265,7 +1266,6 @@ dbuf_read(dmu_buf_impl_t *db, zio_t *zio, uint32_t flags) mutex_exit(&db->db_mtx); } - ASSERT(err || havepzio || db->db_state == DB_CACHED); return (err); } |