Merge branch 'linus' into tracing/kmemtrace2

1 files changed, 47 insertions, 1 deletions

diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index d5e91f4f6a0..efd09c3d2b2 100644
--- a/fs/gfs2/recovery.c
+++ b/fs/gfs2/recovery.c
@@ -14,6 +14,8 @@
 #include <linux/gfs2_ondisk.h>
 #include <linux/crc32.h>
 #include <linux/lm_interface.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
 
 #include "gfs2.h"
 #include "incore.h"
@@ -583,13 +585,35 @@ fail:
 	return error;
 }
 
+static struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp)
+{
+	struct gfs2_jdesc *jd;
+	int found = 0;
+
+	spin_lock(&sdp->sd_jindex_spin);
+
+	list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
+		if (jd->jd_dirty) {
+			jd->jd_dirty = 0;
+			found = 1;
+			break;
+		}
+	}
+	spin_unlock(&sdp->sd_jindex_spin);
+
+	if (!found)
+		jd = NULL;
+
+	return jd;
+}
+
 /**
  * gfs2_check_journals - Recover any dirty journals
  * @sdp: the filesystem
  *
  */
 
-void gfs2_check_journals(struct gfs2_sbd *sdp)
+static void gfs2_check_journals(struct gfs2_sbd *sdp)
 {
 	struct gfs2_jdesc *jd;
 
@@ -603,3 +627,25 @@ void gfs2_check_journals(struct gfs2_sbd *sdp)
 	}
 }
 
+/**
+ * gfs2_recoverd - Recover dead machine's journals
+ * @sdp: Pointer to GFS2 superblock
+ *
+ */
+
+int gfs2_recoverd(void *data)
+{
+	struct gfs2_sbd *sdp = data;
+	unsigned long t;
+
+	while (!kthread_should_stop()) {
+		gfs2_check_journals(sdp);
+		t = gfs2_tune_get(sdp,  gt_recoverd_secs) * HZ;
+		if (freezing(current))
+			refrigerator();
+		schedule_timeout_interruptible(t);
+	}
+
+	return 0;
+}
+