From: Fan Yong <fan.y...@intel.com> The administrator can detect whether there are any inconsistent OI mappings but without repairing them via the command: lctl lfsck_start --dryrun on -M <$device>
Under default mode, dryrun is "off". When the device is mounted, the initial OI scrub will detect whether there are upgrade case, or file-level backup/resotre case, or OI file(s) recreated case. If found some inconsistency, it will trigger non-dryrun mode OI scrub automatically. If the administrator does NOT want to such auto non-dryrun OI scrub to avoid some unexpected repairing, he (or she) can specify "-o noscrub" when mount the device. Lustre-change: http://review.whamcloud.com/7720 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3935 Signed-off-by: Fan Yong <fan.y...@intel.com> Reviewed-by: Andreas Dilger <andreas.dil...@intel.com> Reviewed-by: wangdi <di.w...@intel.com> [picked up only client side of change -- Peng Tao] Signed-off-by: Peng Tao <bergw...@gmail.com> Signed-off-by: Andreas Dilger <andreas.dil...@intel.com> --- drivers/staging/lustre/lustre/include/dt_object.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/staging/lustre/lustre/include/dt_object.h b/drivers/staging/lustre/lustre/include/dt_object.h index 9304c26..c40701f 100644 --- a/drivers/staging/lustre/lustre/include/dt_object.h +++ b/drivers/staging/lustre/lustre/include/dt_object.h @@ -622,6 +622,7 @@ struct dt_index_operations { enum dt_otable_it_valid { DOIV_ERROR_HANDLE = 0x0001, + DOIV_DRYRUN = 0x0002, }; enum dt_otable_it_flags { @@ -633,6 +634,9 @@ enum dt_otable_it_flags { /* There is up layer component uses the iteration. */ DOIF_OUTUSED = 0x0004, + + /* Check only without repairing. */ + DOIF_DRYRUN = 0x0008, }; /* otable based iteration needs to use the common DT interation APIs. -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
