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block: remove bio_get_nr_vecs()

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We can always fill up the bio now, no need to estimate the possible
size based on queue parameters.

Acked-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
[hch: rebased and wrote a changelog]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lin <ming.l@ssi.samsung.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Kent Overstreet 2015-05-19 14:31:01 +02:00 • committed by Jens Axboe
parent 6cf66b4caf
commit b54ffb73ca
16 changed files with 18 additions and 74 deletions
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4
fs/logfs/dev_bdev.c
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@ -81,7 +81,7 @@ static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index,
unsigned int max_pages;
int i;
max_pages = min(nr_pages, (size_t) bio_get_nr_vecs(super->s_bdev));
max_pages = min(nr_pages, BIO_MAX_PAGES);
bio = bio_alloc(GFP_NOFS, max_pages);
BUG_ON(!bio);
@ -171,7 +171,7 @@ static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index,
unsigned int max_pages;
int i;
max_pages = min(nr_pages, (size_t) bio_get_nr_vecs(super->s_bdev));
max_pages = min(nr_pages, BIO_MAX_PAGES);
bio = bio_alloc(GFP_NOFS, max_pages);
BUG_ON(!bio);