On Fri, 13 Sep 2013 10:58:23 +0800 majianpeng <majianpeng@xxxxxxxxx> wrote:
> Signed-off-by: Jianpeng Ma <majianpeng@xxxxxxxxx>
> ---
> fs/fs-writeback.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
> index 30f6f27..464b9c8 100644
> --- a/fs/fs-writeback.c
> +++ b/fs/fs-writeback.c
> @@ -69,7 +69,7 @@ static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
> {
> struct super_block *sb = inode->i_sb;
>
> - if (strcmp(sb->s_type->name, "bdev") == 0)
> + if (strcmp(sb->s_id, "bdev") == 0)
> return inode->i_mapping->backing_dev_info;
>
> return sb->s_bdi;
inode_to_bdi() doesn't exist any more, but similar code exists in the
remarkably named block_dump___mark_inode_dirty().
Using strcmp() is nasty. Can't we use sb_is_blkdev_sb() in there?
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