staging: lustre: llite: enable clients to inject error for lfsck

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/lustre/include/obd_support.h b/drivers/staging/lustre/lustre/include/obd_support.h
index 845e64a..71bf844 100644 (file)
--- 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 (file)
--- 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);
 }