diff options
-rw-r--r-- | module/zfs/zfs_vfsops.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/module/zfs/zfs_vfsops.c b/module/zfs/zfs_vfsops.c index 8d728adea..af82c7bc4 100644 --- a/module/zfs/zfs_vfsops.c +++ b/module/zfs/zfs_vfsops.c @@ -1778,8 +1778,17 @@ zfsvfs_teardown(zfsvfs_t *zfsvfs, boolean_t unmounting) * Evict cached data. We must write out any dirty data before * disowning the dataset. */ - if (!zfs_is_readonly(zfsvfs)) + objset_t *os = zfsvfs->z_os; + boolean_t os_dirty = B_FALSE; + for (int t = 0; t < TXG_SIZE; t++) { + if (dmu_objset_is_dirty(os, t)) { + os_dirty = B_TRUE; + break; + } + } + if (!zfs_is_readonly(zfsvfs) && os_dirty) { txg_wait_synced(dmu_objset_pool(zfsvfs->z_os), 0); + } dmu_objset_evict_dbufs(zfsvfs->z_os); return (0); |