bio_get_nr_vecs
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## Name

bio_get_nr_vecs — return approx number of vecs

## Synopsis

`int bio_get_nr_vecs (` | struct block_device * bdev`)`;

## Arguments

`bdev`

  I/O target

## Description

Return the approximate number of pages we can send to this target. There's no guarantee that you will be able to fit this number of pages into a bio, it does not account for dynamic restrictions that vary on offset.

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