diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-04-25 09:04:34 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-04-30 09:26:42 -0600 |
| commit | 6601e44efd20efddc183c85131216200e90c5728 (patch) | |
| tree | 05c4c5605e8c9d7a12d77619e61e7a7b373f7955 /block | |
| parent | 4713839dfe8269d27d83a33d1e39f9c2970eb31a (diff) | |
| download | lwn-6601e44efd20efddc183c85131216200e90c5728.tar.gz lwn-6601e44efd20efddc183c85131216200e90c5728.zip | |
block: remove bogus comments in __bio_add_pc_page
We are never called with file system pages by defintions for the
passthrough interface, and we also never undo any addition later
these days.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/bio.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/block/bio.c b/block/bio.c index e717b303e1fb..de26dc18bceb 100644 --- a/block/bio.c +++ b/block/bio.c @@ -724,11 +724,6 @@ static int __bio_add_pc_page(struct request_queue *q, struct bio *bio, if (((bio->bi_iter.bi_size + len) >> 9) > queue_max_hw_sectors(q)) return 0; - /* - * For filesystems with a blocksize smaller than the pagesize - * we will often be called with the same page as last time and - * a consecutive offset. Optimize this special case. - */ if (bio->bi_vcnt > 0) { bvec = &bio->bi_io_vec[bio->bi_vcnt - 1]; @@ -760,10 +755,6 @@ static int __bio_add_pc_page(struct request_queue *q, struct bio *bio, if (bio->bi_phys_segments >= queue_max_segments(q)) return 0; - /* - * setup the new entry, we might clear it again later if we - * cannot add the page - */ bvec = &bio->bi_io_vec[bio->bi_vcnt]; bvec->bv_page = page; bvec->bv_len = len; |