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authorMing Lei <ming.lei@canonical.com>2016-06-10 06:27:12 +0300
committerJens Axboe <axboe@fb.com>2016-06-10 06:33:46 +0300
commit1a89694f7899d39aa58cc6f061e97a17089ac025 (patch)
treea26bce4b5eb61f4830995994de88691b8dc43aea
parentb8269db456186ecc13469135c64d215883c410f6 (diff)
downloadlinux-1a89694f7899d39aa58cc6f061e97a17089ac025.tar.xz
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>
-rw-r--r--include/linux/bio.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index b64a3d9434d4..b7e1a00810f2 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)