Commit 1ebfdcac authored by Fan Yong's avatar Fan Yong Committed by Greg Kroah-Hartman
Browse files

staging: lustre: lmv: add testing for bad name hash 



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: default avatarFan Yong <fan.yong@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5519
Reviewed-on: http://review.whamcloud.com/11846


Reviewed-by: default avatarAlex Zhuravlev <alexey.zhuravlev@intel.com>
Reviewed-by: default avatarLai Siyao <lai.siyao@intel.com>
Reviewed-by: default avatarOleg Drokin <oleg.drokin@intel.com>
Signed-off-by: default avatarJames Simmons <jsimmons@infradead.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7510c5ca

drivers/staging/lustre/lustre/include/obd_support.h

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/staging/lustre/lustre/lmv/lmv_obd.c

+7 −3
Original line number Diff line number Diff line
@@ -1573,9 +1573,13 @@ lmv_locate_target_for_name(struct lmv_obd *lmv, struct lmv_stripe_md *lsm, 
	const struct lmv_oinfo *oinfo;

	struct lmv_tgt_desc *tgt;



	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;