diff options
| author | Mikulas Patocka <mpatocka@redhat.com> | 2008-08-15 10:20:02 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-10-09 08:56:03 +0200 |
| commit | 5df97b91b5d7ed426034fcc84cb6e7cf682b8838 (patch) | |
| tree | 727b9fb778f72d2b1ff44c007fb5209bacf67f4a /fs/bio.c | |
| parent | block: drop virtual merging accounting (diff) | |
| download | linux-5df97b91b5d7ed426034fcc84cb6e7cf682b8838.tar.xz linux-5df97b91b5d7ed426034fcc84cb6e7cf682b8838.zip | |
drop vmerge accounting
Remove hw_segments field from struct bio and struct request. Without virtual
merge accounting they have no purpose.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'fs/bio.c')
| -rw-r--r-- | fs/bio.c | 12 |
1 files changed, 1 insertions, 11 deletions
@@ -208,14 +208,6 @@ inline int bio_phys_segments(struct request_queue *q, struct bio *bio) return bio->bi_phys_segments; } -inline int bio_hw_segments(struct request_queue *q, struct bio *bio) -{ - if (unlikely(!bio_flagged(bio, BIO_SEG_VALID))) - blk_recount_segments(q, bio); - - return bio->bi_hw_segments; -} - /** * __bio_clone - clone a bio * @bio: destination bio @@ -350,7 +342,7 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page */ while (bio->bi_phys_segments >= q->max_phys_segments - || bio->bi_hw_segments >= q->max_hw_segments) { + || bio->bi_phys_segments >= q->max_hw_segments) { if (retried_segments) return 0; @@ -399,7 +391,6 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page bio->bi_vcnt++; bio->bi_phys_segments++; - bio->bi_hw_segments++; done: bio->bi_size += len; return len; @@ -1381,7 +1372,6 @@ EXPORT_SYMBOL(bio_init); EXPORT_SYMBOL(__bio_clone); EXPORT_SYMBOL(bio_clone); EXPORT_SYMBOL(bio_phys_segments); -EXPORT_SYMBOL(bio_hw_segments); EXPORT_SYMBOL(bio_add_page); EXPORT_SYMBOL(bio_add_pc_page); EXPORT_SYMBOL(bio_get_nr_vecs); |