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-rw-r--r--fs/gfs2/recovery.c48
1 files changed, 47 insertions, 1 deletions
diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index d5e91f4f6a0b..efd09c3d2b26 100644
--- a/fs/gfs2/recovery.c
+++ b/fs/gfs2/recovery.c
@@ -14,6 +14,8 @@
14#include <linux/gfs2_ondisk.h> 14#include <linux/gfs2_ondisk.h>
15#include <linux/crc32.h> 15#include <linux/crc32.h>
16#include <linux/lm_interface.h> 16#include <linux/lm_interface.h>
17#include <linux/kthread.h>
18#include <linux/freezer.h>
17 19
18#include "gfs2.h" 20#include "gfs2.h"
19#include "incore.h" 21#include "incore.h"
@@ -583,13 +585,35 @@ fail:
583 return error; 585 return error;
584} 586}
585 587
588static struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp)
589{
590 struct gfs2_jdesc *jd;
591 int found = 0;
592
593 spin_lock(&sdp->sd_jindex_spin);
594
595 list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
596 if (jd->jd_dirty) {
597 jd->jd_dirty = 0;
598 found = 1;
599 break;
600 }
601 }
602 spin_unlock(&sdp->sd_jindex_spin);
603
604 if (!found)
605 jd = NULL;
606
607 return jd;
608}
609
586/** 610/**
587 * gfs2_check_journals - Recover any dirty journals 611 * gfs2_check_journals - Recover any dirty journals
588 * @sdp: the filesystem 612 * @sdp: the filesystem
589 * 613 *
590 */ 614 */
591 615
592void gfs2_check_journals(struct gfs2_sbd *sdp) 616static void gfs2_check_journals(struct gfs2_sbd *sdp)
593{ 617{
594 struct gfs2_jdesc *jd; 618 struct gfs2_jdesc *jd;
595 619
@@ -603,3 +627,25 @@ void gfs2_check_journals(struct gfs2_sbd *sdp)
603 } 627 }
604} 628}
605 629
630/**
631 * gfs2_recoverd - Recover dead machine's journals
632 * @sdp: Pointer to GFS2 superblock
633 *
634 */
635
636int gfs2_recoverd(void *data)
637{
638 struct gfs2_sbd *sdp = data;
639 unsigned long t;
640
641 while (!kthread_should_stop()) {
642 gfs2_check_journals(sdp);
643 t = gfs2_tune_get(sdp, gt_recoverd_secs) * HZ;
644 if (freezing(current))
645 refrigerator();
646 schedule_timeout_interruptible(t);
647 }
648
649 return 0;
650}
651