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Subject[PATCH 38/58] staging: lustre: llite: enable clients to inject error for lfsck
Date
From: Fan Yong <fan.yong@intel.com>

This enables the client to inject an error by altering
the parent FID in order to test if the server side file
system checker behaves properly.

Signed-off-by: Fan Yong <fan.yong@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3951
Reviewed-on: http://review.whamcloud.com/7667
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
---
.../staging/lustre/lustre/include/obd_support.h | 1 +
drivers/staging/lustre/lustre/llite/vvp_req.c | 2 ++
2 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/lustre/lustre/include/obd_support.h b/drivers/staging/lustre/lustre/include/obd_support.h
index 845e64a..71bf844 100644
--- a/drivers/staging/lustre/lustre/include/obd_support.h
+++ b/drivers/staging/lustre/lustre/include/obd_support.h
@@ -474,6 +474,7 @@ extern char obd_jobid_var[];
#define OBD_FAIL_LFSCK_CRASH 0x160a
#define OBD_FAIL_LFSCK_NO_AUTO 0x160b
#define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c
+#define OBD_FAIL_LFSCK_INVALID_PFID 0x1619

/* UPDATE */
#define OBD_FAIL_UPDATE_OBJ_NET 0x1700
diff --git a/drivers/staging/lustre/lustre/llite/vvp_req.c b/drivers/staging/lustre/lustre/llite/vvp_req.c
index 9fe9d6c..0567a15 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_req.c
+++ b/drivers/staging/lustre/lustre/llite/vvp_req.c
@@ -83,6 +83,8 @@ static void vvp_req_attr_set(const struct lu_env *env,
}
obdo_from_inode(oa, inode, valid_flags & flags);
obdo_set_parent_fid(oa, &ll_i2info(inode)->lli_fid);
+ if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_INVALID_PFID))
+ oa->o_parent_oid++;
memcpy(attr->cra_jobid, ll_i2info(inode)->lli_jobid,
JOBSTATS_JOBID_SIZE);
}
--
1.7.1
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