From: yury <yury>
Date: Wed, 3 Sep 2008 08:39:47 +0000 (+0000)
Subject: b=16772
X-Git-Tag: v1_7_110~18
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=5ff981d4c676411588f88b72c7832ff5a22c9c87

b=16772
r=adilger,shadow

- fixed using get_uuid2int() in llite which breaked cmd
---

diff --git a/lustre/include/obd.h b/lustre/include/obd.h
index 65cd938..972ebed 100644
--- a/lustre/include/obd.h
+++ b/lustre/include/obd.h
@@ -1323,6 +1323,7 @@ struct obd_ops {
                         enum obd_notify_event ev, void *data);
 
         int (*o_health_check)(struct obd_device *);
+        struct obd_uuid *(*o_get_uuid) (struct obd_export *exp);
 
         /* quota methods */
         int (*o_quotacheck)(struct obd_export *, struct obd_quotactl *);
diff --git a/lustre/include/obd_class.h b/lustre/include/obd_class.h
index 0fae2a8..0fa132c 100644
--- a/lustre/include/obd_class.h
+++ b/lustre/include/obd_class.h
@@ -810,6 +810,18 @@ static inline int obd_del_conn(struct obd_import *imp, struct obd_uuid *uuid)
         RETURN(rc);
 }
 
+static inline struct obd_uuid *obd_get_uuid(struct obd_export *exp)
+{
+        struct obd_uuid *uuid;
+        ENTRY;
+
+        OBD_CHECK_DT_OP(exp->exp_obd, get_uuid, NULL);
+        EXP_COUNTER_INCREMENT(exp, get_uuid);
+
+        uuid = OBP(exp->exp_obd, get_uuid)(exp);
+        RETURN(uuid);
+}
+
 static inline int obd_connect(const struct lu_env *env,
                               struct lustre_handle *conn,struct obd_device *obd,
                               struct obd_uuid *cluuid,
diff --git a/lustre/llite/llite_lib.c b/lustre/llite/llite_lib.c
index 85b8d06..4c165a5 100644
--- a/lustre/llite/llite_lib.c
+++ b/lustre/llite/llite_lib.c
@@ -288,6 +288,7 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt)
         struct lustre_handle dt_conn = {0, };
         struct lustre_handle md_conn = {0, };
         struct obd_connect_data *data = NULL;
+        struct obd_uuid *uuid;
         struct lustre_md lmd;
         obd_valid valid;
         int size, err, checksum;
@@ -639,17 +640,15 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt)
         sb->s_root->d_op = &ll_d_root_ops;
 
         sbi->ll_sdev_orig = sb->s_dev;
-#if 0
+
         /* We set sb->s_dev equal on all lustre clients in order to support
          * NFS export clustering.  NFSD requires that the FSID be the same
          * on all clients. */
         /* s_dev is also used in lt_compare() to compare two fs, but that is
          * only a node-local comparison. */
-
-        /* XXX: this will not work with LMV */
-        sb->s_dev = get_uuid2int(sbi2mdc(sbi)->cl_target_uuid.uuid,
-                                 strlen(sbi2mdc(sbi)->cl_target_uuid.uuid));
-#endif
+        uuid = obd_get_uuid(sbi->ll_md_exp);
+        if (uuid != NULL)
+                sb->s_dev = get_uuid2int(uuid->uuid, strlen(uuid->uuid));
 
         RETURN(err);
 out_root:
diff --git a/lustre/lmv/lmv_obd.c b/lustre/lmv/lmv_obd.c
index de6470f..cd96327 100644
--- a/lustre/lmv/lmv_obd.c
+++ b/lustre/lmv/lmv_obd.c
@@ -160,6 +160,12 @@ static int lmv_set_mdc_data(struct lmv_obd *lmv, struct obd_uuid *uuid,
         RETURN(0);
 }
 
+struct obd_uuid *lmv_get_uuid(struct obd_export *exp) {
+        struct obd_device *obd = exp->exp_obd;
+        struct lmv_obd *lmv = &obd->u.lmv;
+        return obd_get_uuid(lmv->tgts[0].ltd_exp);
+}
+
 static int lmv_notify(struct obd_device *obd, struct obd_device *watched,
                       enum obd_notify_event ev, void *data)
 {
@@ -2978,6 +2984,7 @@ struct obd_ops lmv_obd_ops = {
         .o_packmd               = lmv_packmd,
         .o_unpackmd             = lmv_unpackmd,
         .o_notify               = lmv_notify,
+        .o_get_uuid             = lmv_get_uuid,
         .o_iocontrol            = lmv_iocontrol,
         .o_fid_delete           = lmv_fid_delete
 };
diff --git a/lustre/mdc/mdc_request.c b/lustre/mdc/mdc_request.c
index 19781c4..7bfe0cd 100644
--- a/lustre/mdc/mdc_request.c
+++ b/lustre/mdc/mdc_request.c
@@ -1520,6 +1520,11 @@ static int mdc_fid_delete(struct obd_export *exp, const struct lu_fid *fid)
         return 0;
 }
 
+struct obd_uuid *mdc_get_uuid(struct obd_export *exp) {
+        struct client_obd *cli = &exp->exp_obd->u.cli;
+        return &cli->cl_target_uuid;
+}
+
 static int mdc_setup(struct obd_device *obd, struct lustre_cfg *cfg)
 {
         struct client_obd *cli = &obd->u.cli;
@@ -1825,7 +1830,8 @@ struct obd_ops mdc_obd_ops = {
         .o_llog_init        = mdc_llog_init,
         .o_llog_finish      = mdc_llog_finish,
         .o_get_info         = mdc_get_info,
-        .o_process_config  = mdc_process_config,
+        .o_process_config   = mdc_process_config,
+        .o_get_uuid         = mdc_get_uuid,
 };
 
 struct md_ops mdc_md_ops = {
diff --git a/lustre/obdclass/lprocfs_status.c b/lustre/obdclass/lprocfs_status.c
index bd90752..44c0dee 100644
--- a/lustre/obdclass/lprocfs_status.c
+++ b/lustre/obdclass/lprocfs_status.c
@@ -1184,6 +1184,7 @@ void lprocfs_init_ops_stats(int num_private_stats, struct lprocfs_stats *stats)
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, import_event);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, notify);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, health_check);
+        LPROCFS_OBD_OP_INIT(num_private_stats, stats, get_uuid);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotacheck);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, quotactl);
         LPROCFS_OBD_OP_INIT(num_private_stats, stats, ping);