diff options
Diffstat (limited to 'module')
| -rw-r--r-- | module/zfs/zvol.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/module/zfs/zvol.c b/module/zfs/zvol.c index abe77ecd4..420282c4a 100644 --- a/module/zfs/zvol.c +++ b/module/zfs/zvol.c @@ -1215,20 +1215,29 @@ zvol_ioctl(struct block_device *bdev, fmode_t mode, ASSERT(zv && zv->zv_open_count > 0); - rw_enter(&zv->zv_suspend_lock, RW_READER); switch (cmd) { case BLKFLSBUF: - zil_commit(zv->zv_zilog, ZVOL_OBJ); + fsync_bdev(bdev); + invalidate_bdev(bdev); + rw_enter(&zv->zv_suspend_lock, RW_READER); + + if (dsl_dataset_is_dirty(dmu_objset_ds(zv->zv_objset)) && + !(zv->zv_flags & ZVOL_RDONLY)) + txg_wait_synced(dmu_objset_pool(zv->zv_objset), 0); + + rw_exit(&zv->zv_suspend_lock); break; + case BLKZNAME: + mutex_enter(&zvol_state_lock); error = copy_to_user((void *)arg, zv->zv_name, MAXNAMELEN); + mutex_exit(&zvol_state_lock); break; default: error = -ENOTTY; break; } - rw_exit(&zv->zv_suspend_lock); return (SET_ERROR(error)); } |