fix paralel init for llog.

make llog more smp safe.
don't write big array into journal.
fix return codes in llog_put_cat_list/llog_get_cat_list.

Branch b1_8_gate
b=16679
i=umka
i=adilger

diff --git a/lustre/ptlrpc/llog_net.c b/lustre/ptlrpc/llog_net.c
index 5a16b56..2a79e1d 100644 (file)
--- a/lustre/ptlrpc/llog_net.c
+++ b/lustre/ptlrpc/llog_net.c
@@ -73,11 +73,17 @@ int llog_origin_connect(struct llog_ctxt *ctxt, int count,
         struct llogd_conn_body *req_body;
         int size[2] = { sizeof(struct ptlrpc_body),
                         sizeof(struct llogd_conn_body) };
-        struct inode* inode = ctxt->loc_handle->lgh_file->f_dentry->d_inode;
+        struct inode *inode;
         void *handle;
         int rc, rc1;
         ENTRY;
 
+        LASSERT(ctxt != NULL);
+        LASSERT(ctxt->loc_handle != NULL);
+        LASSERT(ctxt->loc_handle->lgh_file != NULL);
+        LASSERT(ctxt->loc_handle->lgh_file->f_dentry != NULL);
+        inode = ctxt->loc_handle->lgh_file->f_dentry->d_inode;
+
         if (list_empty(&ctxt->loc_handle->u.chd.chd_head)) {
                 CDEBUG(D_HA, "there is no record related to ctxt %p\n", ctxt);
                 RETURN(0);
@@ -93,9 +99,9 @@ int llog_origin_connect(struct llog_ctxt *ctxt, int count,
         lgr->lgr_hdr.lrh_len = lgr->lgr_tail.lrt_len = sizeof(*lgr);
         lgr->lgr_hdr.lrh_type = LLOG_GEN_REC;
 
-        handle = fsfilt_start_log(ctxt->loc_exp->exp_obd, inode, 
+        handle = fsfilt_start_log(ctxt->loc_exp->exp_obd, inode,
                                   FSFILT_OP_CANCEL_UNLINK, NULL, 1);
-       
+
         if (IS_ERR(handle)) {
                 CERROR("fsfilt_start failed: %ld\n", PTR_ERR(handle));
                 OBD_FREE(lgr, sizeof(*lgr));
@@ -105,7 +111,7 @@ int llog_origin_connect(struct llog_ctxt *ctxt, int count,
         lgr->lgr_gen = ctxt->loc_gen;
         rc = llog_add(ctxt, &lgr->lgr_hdr, NULL, NULL, 1);
         OBD_FREE(lgr, sizeof(*lgr));
-        
+
         rc1 = fsfilt_commit(ctxt->loc_exp->exp_obd, inode, handle, 0);
         if (rc != 1 || rc1 != 0) {
                 rc = (rc != 1) ? rc : rc1;