From patchwork Wed Nov 13 17:27:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 11242381 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 448B1109A for ; Wed, 13 Nov 2019 17:30:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0D6A220643 for ; Wed, 13 Nov 2019 17:30:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727254AbfKMRat (ORCPT ); Wed, 13 Nov 2019 12:30:49 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:54150 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726392AbfKMRap (ORCPT ); Wed, 13 Nov 2019 12:30:45 -0500 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id D7A63D7FBDBE91609F52; Thu, 14 Nov 2019 01:30:42 +0800 (CST) Received: from localhost.localdomain (10.69.192.58) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.439.0; Thu, 14 Nov 2019 01:30:36 +0800 From: John Garry To: CC: , , John Garry Subject: [PATCH 1/2] blk-mq: Delete blk_mq_has_free_tags() and blk_mq_can_queue() Date: Thu, 14 Nov 2019 01:27:21 +0800 Message-ID: <1573666042-176756-2-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1573666042-176756-1-git-send-email-john.garry@huawei.com> References: <1573666042-176756-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.58] X-CFilter-Loop: Reflected Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org These functions are not referenced, so delete them. Signed-off-by: John Garry --- block/blk-mq-tag.c | 8 -------- block/blk-mq-tag.h | 1 - block/blk-mq.c | 6 ------ include/linux/blk-mq.h | 1 - 4 files changed, 16 deletions(-) diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index 008388e82b5c..fbacde454718 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -15,14 +15,6 @@ #include "blk-mq.h" #include "blk-mq-tag.h" -bool blk_mq_has_free_tags(struct blk_mq_tags *tags) -{ - if (!tags) - return true; - - return sbitmap_any_bit_clear(&tags->bitmap_tags.sb); -} - /* * If a previously inactive queue goes active, bump the active user count. * We need to do this before try to allocate driver tag, then even if fail diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h index 61deab0b5a5a..15bc74acb57e 100644 --- a/block/blk-mq-tag.h +++ b/block/blk-mq-tag.h @@ -28,7 +28,6 @@ extern void blk_mq_free_tags(struct blk_mq_tags *tags); extern unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data); extern void blk_mq_put_tag(struct blk_mq_hw_ctx *hctx, struct blk_mq_tags *tags, struct blk_mq_ctx *ctx, unsigned int tag); -extern bool blk_mq_has_free_tags(struct blk_mq_tags *tags); extern int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx, struct blk_mq_tags **tags, unsigned int depth, bool can_grow); diff --git a/block/blk-mq.c b/block/blk-mq.c index 5c9adcaa27ac..323c9cb28066 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -260,12 +260,6 @@ void blk_mq_wake_waiters(struct request_queue *q) blk_mq_tag_wakeup_all(hctx->tags, true); } -bool blk_mq_can_queue(struct blk_mq_hw_ctx *hctx) -{ - return blk_mq_has_free_tags(hctx->tags); -} -EXPORT_SYMBOL(blk_mq_can_queue); - /* * Only need start/end time stamping if we have iostat or * blk stats enabled, or using an IO scheduler. diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index dc03e059fdff..11cfd6470b1a 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -424,7 +424,6 @@ void blk_mq_free_tag_set(struct blk_mq_tag_set *set); void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule); void blk_mq_free_request(struct request *rq); -bool blk_mq_can_queue(struct blk_mq_hw_ctx *); bool blk_mq_queue_inflight(struct request_queue *q);