bio: only mempool back the largest bio_vec slab cache

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We only very rarely need the mempool backing, so it makes sense to
get rid of all but one of the mempool in a bio_set. So keep the
largest bio_vec count mempool so we can always honor the largest
allocation, and "upgrade" callers that fail.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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Jens Axboe 2008-12-11 11:53:43 +01:00

parent a31a97381c

commit 7ff9345ffa

2 changed files with 74 additions and 54 deletions

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include/linux/bio.h

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