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authorChristoph Hellwig <hch@lst.de>2021-03-11 12:01:37 +0100
committerJens Axboe <axboe@kernel.dk>2021-03-11 07:47:48 -0700
commita8affc03a9b375e19bc81573de0c9108317d78c7 (patch)
tree20091872316d41f38bb53134fb340caf78710203 /block/bounce.c
parentdf66617bfe87487190a60783d26175b65d2502ce (diff)
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block: rename BIO_MAX_PAGES to BIO_MAX_VECS
Ever since the addition of multipage bio_vecs BIO_MAX_PAGES has been horribly confusingly misnamed. Rename it to BIO_MAX_VECS to stop confusing users of the bio API. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Link: https://lore.kernel.org/r/20210311110137.1132391-2-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/bounce.c')
-rw-r--r--block/bounce.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/block/bounce.c b/block/bounce.c
index 87983a35079c..6c441f4f1cd4 100644
--- a/block/bounce.c
+++ b/block/bounce.c
@@ -229,10 +229,10 @@ static struct bio *bounce_clone_bio(struct bio *bio_src)
* - The point of cloning the biovec is to produce a bio with a biovec
* the caller can modify: bi_idx and bi_bvec_done should be 0.
*
- * - The original bio could've had more than BIO_MAX_PAGES biovecs; if
+ * - The original bio could've had more than BIO_MAX_VECS biovecs; if
* we tried to clone the whole thing bio_alloc_bioset() would fail.
* But the clone should succeed as long as the number of biovecs we
- * actually need to allocate is fewer than BIO_MAX_PAGES.
+ * actually need to allocate is fewer than BIO_MAX_VECS.
*
* - Lastly, bi_vcnt should not be looked at or relied upon by code
* that does not own the bio - reason being drivers don't use it for
@@ -299,7 +299,7 @@ static void __blk_queue_bounce(struct request_queue *q, struct bio **bio_orig,
int sectors = 0;
bio_for_each_segment(from, *bio_orig, iter) {
- if (i++ < BIO_MAX_PAGES)
+ if (i++ < BIO_MAX_VECS)
sectors += from.bv_len >> 9;
if (page_to_pfn(from.bv_page) > q->limits.bounce_pfn)
bounce = true;