From 6cfa58573f9b4a543005baa002e137820504c7af Mon Sep 17 00:00:00 2001
From: Mike Snitzer <snitzer@redhat.com>
Date: Thu, 12 Sep 2013 18:06:11 -0400
Subject: [PATCH] dm: lower bio-based mempool reservation

Bio-based device mapper processing doesn't need larger mempools (like
request-based DM does), so lower the number of reserved entries for
bio-based operation.  16 was already used for bio-based DM's bioset
but mistakenly wasn't used for it's _io_cache.

Formalize difference between bio-based and request-based defaults by
introducing RESERVED_BIO_BASED_IOS and RESERVED_REQUEST_BASED_IOS.

(based on older code from Mikulas Patocka)

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Frank Mayhar <fmayhar@google.com>
Acked-by: Mikulas Patocka <mpatocka@redhat.com>
---
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