* [PATCH] block: bio: kill BIO_MAX_SIZE
@ 2016-06-10 3:27 Ming Lei
2016-06-10 3:35 ` Jens Axboe
0 siblings, 1 reply; 2+ messages in thread
From: Ming Lei @ 2016-06-10 3:27 UTC (permalink / raw)
To: Jens Axboe, linux-kernel
Cc: linux-block, Christoph Hellwig, Ming Lei, Mike Christie,
Hannes Reinecke, Keith Busch, Mike Snitzer
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>
---
include/linux/bio.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/include/linux/bio.h b/include/linux/bio.h
index b64a3d9..b7e1a008 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -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)
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] block: bio: kill BIO_MAX_SIZE
2016-06-10 3:27 [PATCH] block: bio: kill BIO_MAX_SIZE Ming Lei
@ 2016-06-10 3:35 ` Jens Axboe
0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2016-06-10 3:35 UTC (permalink / raw)
To: Ming Lei, linux-kernel
Cc: linux-block, Christoph Hellwig, Mike Christie, Hannes Reinecke,
Keith Busch, Mike Snitzer
On 06/09/2016 09:27 PM, Ming Lei wrote:
> 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.
Applied, thanks.
--
Jens Axboe
^ permalink raw reply [flat|nested] 2+ messages in thread
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2016-06-10 3:35 ` Jens Axboe
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