> @@ -68,6 +69,7 @@ struct buffer_head {
> size_t b_size; /* size of mapping */
> char *b_data; /* pointer to data within the page */
>
> + struct file *f_b_bdev;
> struct block_device *b_bdev;
> bh_end_io_t *b_end_io; /* I/O completion */
> void *b_private; /* reserved for b_end_io */
It is kind of annoying to have bdev duplicated in every buffer_head.
Perhaps we can get rid of b_bdev?
Honza
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
