LU-14165 utils: llog_reader: display changleog_user records

Add a function to print changelog_user information.

llog_reader output:

01 (080)changelog user record (v2) id:0x0 cur_id:3 cur_endrec:0
cur_time:1661258371 cur_mask:0x00000003 cur_name:"toto"
...
04 (080)changelog user record (v1) id:0x0 cur_id:6 cur_endrec:0
cur_time:1661261064

Test-Parameters: trivial testlist=sanity,sanity-hsm
Signed-off-by: Etienne AUJAMES <eaujames@ddn.com>
Change-Id: I4e948f52a678127d70e8084e94fb89ec2677cc4b
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/40818
Reviewed-by: Alex Zhuravlev <bzzz@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>

diff --git a/lustre/utils/llog_reader.c b/lustre/utils/llog_reader.c
index 78020f4..c218af2 100644 (file)
--- a/lustre/utils/llog_reader.c
+++ b/lustre/utils/llog_reader.c
@@ -1002,6 +1002,28 @@ static void print_setattr64_rec_v2(struct llog_setattr64_rec_v2 *lsr)
                __le32_to_cpu(lsr->lsr_projid));
 }
 
+static void print_changelog_user_rec(struct llog_changelog_user_rec *rec)
+{
+       struct llog_rec_hdr *lrh = &rec->cur_hdr;
+       bool is_rec_v2 = (__le32_to_cpu(lrh->lrh_type) == CHANGELOG_USER_REC2);
+
+       printf("changelog user record (%s) id:0x%x cur_id:%u cur_endrec:%llu cur_time:%u%s",
+              is_rec_v2 ? "v2" : "v1",
+              __le32_to_cpu(lrh->lrh_id),
+              __le32_to_cpu(rec->cur_id),
+              __le64_to_cpu(rec->cur_endrec),
+              __le32_to_cpu(rec->cur_time),
+              is_rec_v2 ? " " : "\n");
+
+       if (is_rec_v2) {
+               struct llog_changelog_user_rec2 *rec2 = (typeof(rec2)) rec;
+
+               printf("cur_mask:0x%08x cur_name:\"%.*s\"\n",
+                       __le32_to_cpu(rec2->cur_mask),
+                       (int) sizeof(rec2->cur_name), rec2->cur_name);
+       }
+
+}
 
 static void print_records(struct llog_rec_hdr **recs,
                          int rec_number, int is_ext)
@@ -1046,8 +1068,9 @@ static void print_records(struct llog_rec_hdr **recs,
                        break;
                case CHANGELOG_USER_REC:
                case CHANGELOG_USER_REC2:
-                       printf("changelog_user record id:0x%x\n",
-                              __le32_to_cpu(recs[i]->lrh_id));
+                       print_changelog_user_rec((struct
+                                                 llog_changelog_user_rec *)
+                                                recs[i]);
                        break;
                case UPDATE_REC:
                        print_update_rec((struct llog_update_record *)recs[i]);