LU-15524 mdd: trigger changelog GC by free space

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

diff --git a/lustre/mdd/mdd_lproc.c b/lustre/mdd/mdd_lproc.c
index e207487..cbae6c2 100644 (file)
--- a/lustre/mdd/mdd_lproc.c
+++ b/lustre/mdd/mdd_lproc.c
@@ -337,6 +337,34 @@ static ssize_t changelog_gc_store(struct kobject *kobj,
 }
 LUSTRE_RW_ATTR(changelog_gc);
 
+static ssize_t changelog_free_space_gc_show(struct kobject *kobj,
+                                           struct attribute *attr, char *buf)
+{
+       struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+                                             mdd_kobj);
+
+       return sprintf(buf, "%u\n", mdd->mdd_changelog_free_space_gc);
+}
+
+static ssize_t changelog_free_space_gc_store(struct kobject *kobj,
+                                            struct attribute *attr,
+                                            const char *buffer, size_t count)
+{
+       struct mdd_device *mdd = container_of(kobj, struct mdd_device,
+                                             mdd_kobj);
+       bool val;
+       int rc;
+
+       rc = kstrtobool(buffer, &val);
+       if (rc)
+               return rc;
+
+       mdd->mdd_changelog_free_space_gc = val;
+
+       return count;
+}
+LUSTRE_RW_ATTR(changelog_free_space_gc);
+
 static ssize_t changelog_max_idle_time_show(struct kobject *kobj,
                                            struct attribute *attr,
                                            char *buf)
@@ -737,6 +765,7 @@ static struct attribute *mdd_attrs[] = {
        &lustre_attr_atime_diff.attr,
        &lustre_attr_changelog_size.attr,
        &lustre_attr_changelog_gc.attr,
+       &lustre_attr_changelog_free_space_gc.attr,
        &lustre_attr_changelog_max_idle_time.attr,
        &lustre_attr_changelog_max_idle_indexes.attr,
        &lustre_attr_changelog_min_gc_interval.attr,