b=19720

[fs/lustre-release.git] / lustre / liblustre / llite_lib.c

diff --git a/lustre/liblustre/llite_lib.c b/lustre/liblustre/llite_lib.c
index e70ff8f..bac1928 100644 (file)
--- a/lustre/liblustre/llite_lib.c
+++ b/lustre/liblustre/llite_lib.c
@@ -67,6 +67,8 @@
 #include "lutil.h"
 #include "llite_lib.h"
 
+int slp_global_init(void);
+
 static int lllib_init(void)
 {
         if (liblustre_init_current("liblustre") ||
@@ -77,7 +79,8 @@ static int lllib_init(void)
             lmv_init() ||
             mdc_init() ||
             lov_init() ||
-            osc_init())
+            osc_init() ||
+            slp_global_init())
                 return -1;
 
         return _sysio_fssw_register("lustre", &llu_fssw_ops);
@@ -91,7 +94,6 @@ int liblustre_process_log(struct config_llog_instance *cfg,
         struct lustre_cfg *lcfg;
         char  *peer = "MGS_UUID";
         struct obd_device *obd;
-        struct lustre_handle mgc_conn = {0, };
         struct obd_export *exp;
         char  *name = "mgc_dev";
         class_uuid_t uuid;
@@ -175,21 +177,19 @@ int liblustre_process_log(struct config_llog_instance *cfg,
                 GOTO(out_cleanup, rc = -ENOMEM);
 
         ocd->ocd_connect_flags = OBD_CONNECT_VERSION | OBD_CONNECT_FID |
-                                 OBD_CONNECT_AT;
+                                 OBD_CONNECT_AT | OBD_CONNECT_VBR;
 #ifdef LIBLUSTRE_POSIX_ACL
         ocd->ocd_connect_flags |= OBD_CONNECT_ACL;
 #endif
         ocd->ocd_version = LUSTRE_VERSION_CODE;
 
-        rc = obd_connect(NULL, &mgc_conn, obd, &mgc_uuid, ocd, NULL);
+        rc = obd_connect(NULL, &exp, obd, &mgc_uuid, ocd, NULL);
         if (rc) {
                 CERROR("cannot connect to %s at %s: rc = %d\n",
                        LUSTRE_MGS_OBDNAME, mgsnid, rc);
                 GOTO(out_cleanup, rc);
         }
 
-        exp = class_conn2export(&mgc_conn);
-
         ctxt = llog_get_context(exp->exp_obd, LLOG_CONFIG_REPL_CTXT);
         cfg->cfg_flags |= CFG_F_COMPAT146;
         rc = class_config_parse_llog(ctxt, profile, cfg);
@@ -326,6 +326,8 @@ int _sysio_lustre_init(void)
 
 extern int _sysio_native_init();
 
+static int mnt_retry = 0;
+
 char *lustre_path = NULL;
 
 void __liblustre_setup_(void)
@@ -333,13 +335,20 @@ void __liblustre_setup_(void)
         char *target = NULL;
         char *lustre_driver = "lustre";
         unsigned mntflgs = 0;
-        int err;
+        int err, count;
 
         lustre_path = getenv("LIBLUSTRE_MOUNT_POINT");
         if (!lustre_path) {
                 lustre_path = "/mnt/lustre";
         }
 
+        target = getenv("LIBLUSTRE_MOUNT_RETRY");
+        if (target) {
+                mnt_retry = atoi(target);
+                if (mnt_retry < 0)
+                        mnt_retry = 0;
+        }
+
         /* mount target */
         target = getenv("LIBLUSTRE_MOUNT_TARGET");
         if (!target) {
@@ -368,7 +377,16 @@ void __liblustre_setup_(void)
                 exit(1);
 #endif /* INIT_SYSIO */
 
-        err = mount(target, lustre_path, lustre_driver, mntflgs, NULL);
+        count = mnt_retry;
+        do {
+                err = mount(target, lustre_path, lustre_driver, mntflgs, NULL);
+                if (err && mnt_retry && (-- count)) {
+                        fprintf(stderr, "Lustre mount failed: %s. "
+                                 "Will retry %d more times\n",
+                                strerror(errno), mnt_retry - count );
+                        sleep(2);
+                }
+        } while (err && count > 0);
         if (err) {
                 fprintf(stderr, "Lustre mount failed: %s\n", strerror(errno));
                 exit(1);
@@ -391,7 +409,7 @@ void __liblustre_cleanup_(void)
          * but it can't fix the situation that liblustre is mounted
          * at "/".
          */
-        chdir("/");
+        if (!chdir("/")) {}
 #if 0
         umount(lustre_path);
 #endif