diff options
| -rw-r--r-- | module/zfs/dbuf.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c index a22fbdc11..826934b36 100644 --- a/module/zfs/dbuf.c +++ b/module/zfs/dbuf.c @@ -1565,8 +1565,17 @@ dbuf_read(dmu_buf_impl_t *db, zio_t *zio, uint32_t flags) DB_DNODE_EXIT(db); DBUF_STAT_BUMP(hash_misses); - if (!err && need_wait) - err = zio_wait(zio); + /* + * If we created a zio_root we must execute it to avoid + * leaking it, even if it isn't attached to any work due + * to an error in dbuf_read_impl(). + */ + if (need_wait) { + if (err == 0) + err = zio_wait(zio); + else + VERIFY0(zio_wait(zio)); + } } else { /* * Another reader came in while the dbuf was in flight |