[PATCH 0/2] Allow drivers to tap into tags initialization

From: Matias Bjorling
Date: Fri Oct 25 2013 - 10:42:56 EST

These two patches enable a driver to control if tags should be initialized or
use an existing tags structure.

This is for example needed for the NVMe driver, that have a shared number of
queues for each block device it expose.

Matias Bjorling (2):
blk-mq: allow request queues to share tags map
blk-mq: add maps_tags fn and add usage

block/blk-mq-tag.c | 22 +++++++++++++++++++++-
block/blk-mq.c | 11 +++++++----
include/linux/blk-mq.h | 12 ++++++++++++
3 files changed, 40 insertions(+), 5 deletions(-)


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