LU-14688 mdt: changelog purge deletes plain llog

[fs/lustre-release.git] / lustre / mdd / mdd_device.c

diff --git a/lustre/mdd/mdd_device.c b/lustre/mdd/mdd_device.c
index a83d770..e7923f1 100644 (file)
--- a/lustre/mdd/mdd_device.c
+++ b/lustre/mdd/mdd_device.c
@@ -344,6 +344,28 @@ static int llog_changelog_cancel_cb(const struct lu_env *env,
                        OBD_RACE(OBD_FAIL_MDS_CHANGELOG_RACE);
        }
 
+       /* Records folow one by one, cr_index++. We could calculate the
+        * last cr_index at this plain llog. And if it less then cookie endrec
+        * cancel the whole file.
+        */
+       if ((LLOG_HDR_BITMAP_SIZE(llh->lgh_hdr) - hdr->lrh_index +
+            rec->cr.cr_index) < cl_cookie->endrec) {
+               int rc;
+
+               if (unlikely(OBD_FAIL_PRECHECK(OBD_FAIL_MDS_CHANGELOG_DEL))) {
+                       if (cfs_fail_val == 0) {
+                               cfs_fail_val = (unsigned long)llh & 0xFFFFFFFF;
+                               OBD_RACE(OBD_FAIL_MDS_CHANGELOG_DEL);
+                       }
+               }
+               rc = llog_destroy(env, llh);
+               if (!rc) {
+                       CDEBUG(D_HA, "Changelog destroyed plain "DFID"\n",
+                              PFID(&llh->lgh_id.lgl_oi.oi_fid));
+                       RETURN(LLOG_DEL_PLAIN);
+               }
+       }
+
        /* cancel them one at a time.  I suppose we could store up the cookies
         * and cancel them all at once; probably more efficient, but this is
         * done as a user call, so who cares... */