[MTD] Fix JFFS2 sync silent failure

Message ID 20100419113952.GB4145@logfs.org
State New, archived
Headers show

Commit Message

Jörn Engel April 19, 2010, 11:39 a.m.
On Mon, 19 April 2010 12:20:56 +0200, Jens Axboe wrote:
> Care to send your jffs2 patch separately to David? Then I'll commit a
> modified variant for complaining about missing ->s_bdi on mount.


David, this patch is untested.  It looks trivially correct and fixes a
nasty bug, but I don't test jffs2 and only noticed the problem in



diff --git a/drivers/mtd/mtdsuper.c b/drivers/mtd/mtdsuper.c
index af8b42e..7c00319 100644
--- a/drivers/mtd/mtdsuper.c
+++ b/drivers/mtd/mtdsuper.c
@@ -44,6 +45,7 @@  static int get_sb_mtd_set(struct super_block *sb, void *_mtd)
 	sb->s_mtd = mtd;
 	sb->s_dev = MKDEV(MTD_BLOCK_MAJOR, mtd->index);
+	sb->s_bdi = mtd->backing_dev_info;
 	return 0;