From: Fan Yong <fan.yong@xxxxxxxxx> Enable testing of the lfsck recovery feature in the client code for the case when name hash for some entry becomes corrupt. Signed-off-by: Fan Yong <fan.yong@xxxxxxxxx> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5519 Reviewed-on: http://review.whamcloud.com/11846 Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@xxxxxxxxx> Reviewed-by: Lai Siyao <lai.siyao@xxxxxxxxx> Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx> Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx> --- .../staging/lustre/lustre/include/obd_support.h | 1 + drivers/staging/lustre/lustre/lmv/lmv_obd.c | 10 +++++++--- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/staging/lustre/lustre/include/obd_support.h b/drivers/staging/lustre/lustre/include/obd_support.h index d4c41d0..3144cca 100644 --- a/drivers/staging/lustre/lustre/include/obd_support.h +++ b/drivers/staging/lustre/lustre/include/obd_support.h @@ -479,6 +479,7 @@ extern char obd_jobid_var[]; #define OBD_FAIL_LFSCK_NO_AUTO 0x160b #define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c #define OBD_FAIL_LFSCK_INVALID_PFID 0x1619 +#define OBD_FAIL_LFSCK_BAD_NAME_HASH 0x1628 /* UPDATE */ #define OBD_FAIL_UPDATE_OBJ_NET 0x1700 diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c index d9f8003..fde71c9 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c +++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c @@ -1575,9 +1575,13 @@ lmv_locate_target_for_name(struct lmv_obd *lmv, struct lmv_stripe_md *lsm, const struct lmv_oinfo *oinfo; struct lmv_tgt_desc *tgt; - oinfo = lsm_name_to_stripe_info(lsm, name, namelen); - if (IS_ERR(oinfo)) - return ERR_CAST(oinfo); + if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_NAME_HASH)) { + oinfo = &lsm->lsm_md_oinfo[cfs_fail_val]; + } else { + oinfo = lsm_name_to_stripe_info(lsm, name, namelen); + if (IS_ERR(oinfo)) + return ERR_CAST(oinfo); + } *fid = oinfo->lmo_fid; *mds = oinfo->lmo_mds; -- 1.7.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
