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| author | Joern Engel <joern@logfs.org> | 2010-04-17 19:54:27 +0200 |
|---|---|---|
| committer | Joern Engel <joern@logfs.org> | 2010-04-17 19:54:27 +0200 |
| commit | b8639077abf034824046ed09e779b74c4393031f (patch) | |
| tree | 4b880158818468024f6e8e09cba5b3a76ca994b9 /fs/logfs/super.c | |
| parent | [LogFS] Prevent mempool_destroy NULL pointer dereference (diff) | |
| download | linux-b8639077abf034824046ed09e779b74c4393031f.tar.xz linux-b8639077abf034824046ed09e779b74c4393031f.zip | |
[LogFS] Set s_bdi
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>
Diffstat (limited to 'fs/logfs/super.c')
| -rw-r--r-- | fs/logfs/super.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/logfs/super.c b/fs/logfs/super.c index d4531eb46d0a..dacce3a917ae 100644 --- a/fs/logfs/super.c +++ b/fs/logfs/super.c @@ -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; } |