block: bio: remove BIO_MAX_SECTORS

No one need this macro, so remove it. The motivation is for supporting multipage bvecs, in which we only know what the max count of bvecs is supported in the bio, instead of max size or max sectors. Reviewed-by: Christoph Hellwig <[email protected]> Signed-off-by: Ming Lei <[email protected]> Tested-by: Hannes Reinecke <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
josf · Jun 9, 2016 · 30ac460 · 30ac460
1 parent c908e38
commit 30ac460
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/include/linux/bio.h b/include/linux/bio.h
@@ -42,7 +42,6 @@
 
 #define BIO_MAX_PAGES		256
 #define BIO_MAX_SIZE		(BIO_MAX_PAGES << PAGE_SHIFT)
-#define BIO_MAX_SECTORS		(BIO_MAX_SIZE >> 9)
 
 #define bio_prio(bio)			(bio)->bi_ioprio
 #define bio_set_prio(bio, prio)		((bio)->bi_ioprio = prio)