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authorChristoph Hellwig <hch@lst.de>2017-11-08 21:13:48 +0300
committerJens Axboe <axboe@kernel.dk>2017-11-11 05:53:25 +0300
commitd004a5e7d4dd6335ce6e2044af42f5e0fbebb51d (patch)
tree5a91e420f7256614b3dbd32fd4ef17a5c2bc483b /include/linux/bio.h
parent83f5f7ed72f316eda4c4c3833beebfe6578926f4 (diff)
downloadlinux-d004a5e7d4dd6335ce6e2044af42f5e0fbebb51d.tar.xz
block: remove __bio_kmap_atomic
This helper doesn't buy us much over calling kmap_atomic directly. In fact in the only caller it does a bit of useless work as the caller already has the bvec at hand, and said caller would even buggy for a multi-segment bio due to the use of this helper. So just remove it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/bio.h')
-rw-r--r--include/linux/bio.h12
1 files changed, 0 insertions, 12 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 1d7e63d7505f..d4eec19a6d3c 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -129,18 +129,6 @@ static inline void *bio_data(struct bio *bio)
#define bvec_to_phys(bv) (page_to_phys((bv)->bv_page) + (unsigned long) (bv)->bv_offset)
/*
- * queues that have highmem support enabled may still need to revert to
- * PIO transfers occasionally and thus map high pages temporarily. For
- * permanent PIO fall back, user is probably better off disabling highmem
- * I/O completely on that queue (see ide-dma for example)
- */
-#define __bio_kmap_atomic(bio, iter) \
- (kmap_atomic(bio_iter_iovec((bio), (iter)).bv_page) + \
- bio_iter_iovec((bio), (iter)).bv_offset)
-
-#define __bio_kunmap_atomic(addr) kunmap_atomic(addr)
-
-/*
* merge helpers etc
*/