[26/30] block: kill request slab cache

Message ID	20181031175922.8849-27-axboe@kernel.dk
State	Not Applicable
Delegated to:	David Miller
Headers	show Return-Path: <linux-ide-owner@vger.kernel.org> From: Jens Axboe <axboe@kernel.dk> To: linux-block@vger.kernel.org, linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org Cc: Jens Axboe <axboe@kernel.dk> Subject: [PATCH 26/30] block: kill request slab cache Date: Wed, 31 Oct 2018 11:59:18 -0600 Message-Id: <20181031175922.8849-27-axboe@kernel.dk> In-Reply-To: <20181031175922.8849-1-axboe@kernel.dk> References: <20181031175922.8849-1-axboe@kernel.dk> Sender: linux-ide-owner@vger.kernel.org Precedence: bulk
Series	blk-mq driver conversions and legacy path removal \| expand [PATCHSET,v3,0/30] blk-mq driver conversions and legacy path removal [01/30] sunvdc: convert to blk-mq [02/30] ms_block: convert to blk-mq [03/30] mspro_block: convert to blk-mq [04/30] ide: convert to blk-mq [05/30] blk-mq: remove the request_list usage [06/30] blk-mq: remove legacy check in queue blk_freeze_queue() [07/30] blk-mq: provide mq_ops->busy() hook [08/30] scsi: provide mq_ops->busy() hook [09/30] scsi: kill off the legacy IO path [10/30] block: remove q->lld_busy_fn() [11/30] dasd: remove dead code [12/30] bsg: pass in desired timeout handler [13/30] bsg: provide bsg_remove_queue() helper [14/30] bsg: convert to use blk-mq [15/30] block: remove blk_complete_request() [16/30] blk-wbt: kill check for legacy queue type [17/30] blk-cgroup: remove legacy queue bypassing [18/30] block: remove legacy rq tagging [19/30] block: remove non mq parts from the flush code [20/30] block: remove legacy IO schedulers [21/30] block: remove dead elevator code [22/30] block: remove __blk_put_request() [23/30] block: kill legacy parts of timeout handling [24/30] bsg: move bsg-lib parts outside of request queue [25/30] block: remove request_list code [26/30] block: kill request slab cache [27/30] block: remove req_no_special_merge() from merging code [28/30] blk-merge: kill dead queue lock held check [29/30] block: get rid of blk_queued_rq() [30/30] block: get rid of q->softirq_done_fn()

Message ID

20181031175922.8849-27-axboe@kernel.dk

State

Not Applicable

Delegated to:

David Miller

Headers

From: Jens Axboe <axboe@kernel.dk>
To: linux-block@vger.kernel.org, linux-ide@vger.kernel.org,
	linux-scsi@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>
Subject: [PATCH 26/30] block: kill request slab cache
Date: Wed, 31 Oct 2018 11:59:18 -0600
Message-Id: <20181031175922.8849-27-axboe@kernel.dk>
In-Reply-To: <20181031175922.8849-1-axboe@kernel.dk>
References: <20181031175922.8849-1-axboe@kernel.dk>
Sender: linux-ide-owner@vger.kernel.org
Precedence: bulk

Series

blk-mq driver conversions and legacy path removal | expand

Commit Message

Jens Axboe Oct. 31, 2018, 5:59 p.m. UTC

Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 block/blk-core.c | 8 --------
 block/blk.h      | 1 -
 2 files changed, 9 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 0678ec4b1169..951e8cf082e1 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -57,11 +57,6 @@  EXPORT_TRACEPOINT_SYMBOL_GPL(block_unplug);
 
 DEFINE_IDA(blk_queue_ida);
 
-/*
- * For the allocated request tables
- */
-struct kmem_cache *request_cachep;
-
 /*
  * For queue allocation
  */
@@ -1969,9 +1964,6 @@  int __init blk_dev_init(void)
 	if (!kblockd_workqueue)
 		panic("Failed to create kblockd\n");
 
-	request_cachep = kmem_cache_create("blkdev_requests",
-			sizeof(struct request), 0, SLAB_PANIC, NULL);
-
 	blk_requestq_cachep = kmem_cache_create("request_queue",
 			sizeof(struct request_queue), 0, SLAB_PANIC, NULL);
 
diff --git a/block/blk.h b/block/blk.h
index e925cf4fe4de..2bf1cfeeb9c0 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -32,7 +32,6 @@  struct blk_flush_queue {
 };
 
 extern struct kmem_cache *blk_requestq_cachep;
-extern struct kmem_cache *request_cachep;
 extern struct kobj_type blk_queue_ktype;
 extern struct ida blk_queue_ida;

[26/30] block: kill request slab cache

Commit Message

Patch