brassow
This patch finishes off the previous patch of similar name, but the
patches giving the ability to requeue bios to core device-mapper
must be in place.
This patch requeues write requests if the log can not be updated.
Index: linux-2.6.18.1/drivers/md/dm-raid1.c
===================================================================
--- linux-2.6.18.1.orig/drivers/md/dm-raid1.c 2006-11-06 16:59:32.000000000 -0600
+++ linux-2.6.18.1/drivers/md/dm-raid1.c 2006-11-06 16:59:53.000000000 -0600
@@ -973,14 +973,12 @@ static void do_write(struct mirror_set *
struct io_region io[KCOPYD_MAX_REGIONS+1];
struct mirror *m;
- /*
- * FIXME: Requeue I/O to dm-core
- * Otherwise, errors result if log device fails.
- * We cannot allow writes to continue if log device
- * is dead.
- */
if (log_failure) {
- bio_endio(bio, bio->bi_size, -EIO);
+ /*
+ * Requeue I/O to dm-core. We cannot allow
+ * writes to continue if log device is dead.
+ */
+ bio_endio(bio, bio->bi_size, DM_ENDIO_REQUEUE);
return;
}
--
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