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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/mpage.c
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@ -277,7 +277,7 @@ alloc_new:
goto out;
}
bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9),
min_t(int, nr_pages, bio_get_nr_vecs(bdev)),
min_t(int, nr_pages, BIO_MAX_PAGES),
GFP_KERNEL);
if (bio == NULL)
goto confused;
@ -602,7 +602,7 @@ alloc_new:
}
}
bio = mpage_alloc(bdev, blocks[0] << (blkbits - 9),
bio_get_nr_vecs(bdev), GFP_NOFS|__GFP_HIGH);
BIO_MAX_PAGES, GFP_NOFS|__GFP_HIGH);
if (bio == NULL)
goto confused;