X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fmdd%2Fmdd_device.c;h=52be69acb6fd0a0a4ba32e77d85aef2fd1815ed1;hp=543f3e0ae751664713dc5f3caf15e8915e479068;hb=3442db6faf685fbdbd092bdfdc8d273e4990a141;hpb=20ffe2191c828d3e4922429f2a98584d4e41eb53

diff --git a/lustre/mdd/mdd_device.c b/lustre/mdd/mdd_device.c
index 543f3e0..52be69a 100644
--- a/lustre/mdd/mdd_device.c
+++ b/lustre/mdd/mdd_device.c
@@ -141,8 +141,18 @@ static int mdd_init0(const struct lu_env *env, struct mdd_device *mdd,
 		RETURN(rc);
 
 	mdd->mdd_atime_diff = MAX_ATIME_DIFF;
-        /* sync permission changes */
-        mdd->mdd_sync_permission = 1;
+	/* sync permission changes */
+	mdd->mdd_sync_permission = 1;
+	/* enable changelog garbage collection */
+	mdd->mdd_changelog_gc = 1;
+	/* with a significant amount of idle time */
+	mdd->mdd_changelog_max_idle_time = CHLOG_MAX_IDLE_TIME;
+	/* or a significant amount of late indexes */
+	mdd->mdd_changelog_max_idle_indexes = CHLOG_MAX_IDLE_INDEXES;
+	/* with a reasonable interval between each check */
+	mdd->mdd_changelog_min_gc_interval = CHLOG_MIN_GC_INTERVAL;
+	/* with a very few number of free entries */
+	mdd->mdd_changelog_min_free_cat_entries = CHLOG_MIN_FREE_CAT_ENTRIES;
 
 	dt_conf_get(env, mdd->mdd_child, &mdd->mdd_dt_conf);
 
@@ -1337,6 +1347,11 @@ static int mdd_changelog_user_register(const struct lu_env *env,
 	}
 	*id = rec->cur_id = ++mdd->mdd_cl.mc_lastuser;
 	rec->cur_endrec = mdd->mdd_cl.mc_index;
+
+	rec->cur_time = (__u32)get_seconds();
+	if (OBD_FAIL_CHECK(OBD_FAIL_TIME_IN_CHLOG_USER))
+		rec->cur_time = 0;
+
 	spin_unlock(&mdd->mdd_cl.mc_user_lock);
 
 	rc = llog_cat_add(env, ctxt->loc_handle, &rec->cur_hdr, NULL);
@@ -1403,8 +1418,8 @@ static int mdd_changelog_user_purge_cb(const struct lu_env *env,
 	RETURN(rc);
 }
 
-static int mdd_changelog_user_purge(const struct lu_env *env,
-				    struct mdd_device *mdd, __u32 id)
+int mdd_changelog_user_purge(const struct lu_env *env,
+			     struct mdd_device *mdd, __u32 id)
 {
 	struct mdd_changelog_user_purge mcup = {
 		.mcup_id = id,
@@ -1510,6 +1525,11 @@ static int mdd_changelog_clear_cb(const struct lu_env *env,
 	 * We now know the record to flush.
 	 */
 	rec->cur_endrec = mcuc->mcuc_endrec;
+
+	rec->cur_time = (__u32)get_seconds();
+	if (OBD_FAIL_CHECK(OBD_FAIL_TIME_IN_CHLOG_USER))
+		rec->cur_time = 0;
+
 	mcuc->mcuc_flush = true;
 
 	CDEBUG(D_IOCTL, "Rewriting changelog user %u endrec to %llu\n",