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[LogFS] Set s_bdi

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Since 32a88aa1 sync() was turned into a NOP for logfs.  Worse, sync()
would not return an error, giving the illusion that writeout had
actually happened.

Afaics jffs2 was broken as well.

Signed-off-by: Joern Engel <joern@logfs.org>
This commit is contained in:
Joern Engel 2010-04-17 19:54:27 +02:00
parent 1f1b0008e8
commit b8639077ab
1 changed files with 5 additions and 0 deletions
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5
fs/logfs/super.c
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@ -11,6 +11,7 @@
*/
#include "logfs.h"
#include <linux/bio.h>
#include <linux/blkdev.h>
#include <linux/mtd/mtd.h>
#include <linux/statfs.h>
#include <linux/buffer_head.h>
@ -136,6 +137,10 @@ static int logfs_sb_set(struct super_block *sb, void *_super)
sb->s_fs_info = super;
sb->s_mtd = super->s_mtd;
sb->s_bdev = super->s_bdev;
if (sb->s_bdev)
sb->s_bdi = &bdev_get_queue(sb->s_bdev)->backing_dev_info;
if (sb->s_mtd)
sb->s_bdi = sb->s_mtd->backing_dev_info;
return 0;
}