Commit 1a89694f authored Jun 10, 2016 by Ming Lei Committed by Jens Axboe Jun 09, 2016

block: bio: kill BIO_MAX_SIZE



No one need this macro now, so remove it. Basically
only how many bvecs in one bio matters instead
of how many bytes in this bio.

The motivation is for supporting multipage bvecs, in
which we only know what the max count of bvecs is supported
in the bio.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

parent b8269db4

include/linux/bio.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -41,7 +41,6 @@
		#endif

		#define BIO_MAX_PAGES 256
		#define BIO_MAX_SIZE (BIO_MAX_PAGES << PAGE_SHIFT)

		#define bio_prio(bio) (bio)->bi_ioprio
		#define bio_set_prio(bio, prio) ((bio)->bi_ioprio = prio)