From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD8FEC433EF for ; Thu, 14 Jul 2022 18:11:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232128AbiGNSLK (ORCPT ); Thu, 14 Jul 2022 14:11:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240555AbiGNSJI (ORCPT ); Thu, 14 Jul 2022 14:09:08 -0400 Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A58C91D0F9 for ; Thu, 14 Jul 2022 11:08:51 -0700 (PDT) Received: by mail-pl1-f182.google.com with SMTP id l12so1121039plk.13 for ; Thu, 14 Jul 2022 11:08:51 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=f3OV8Eu56dnqXGT8WBEY+VdBbf6XZ1sEmnfl/AJHfs8=; b=B8Ei5+9XHfPOdfqSMNXWQmZskHuC/mjDgcLwLFNNJ7epG9l46aMcUH1OwH+3rruQIR AL8aC0uxJ0TwYw8dqGtGkoiZSU2kulpVTRcttckfbopFv+4kYTuAc6u81ZYGj8C9LDGo Nhqky2qkI6io0gsxNvGXU3zkP8Gm9XhKtQwnx38ZU4U0RbbfApyRY0x3Xx6hiHBbCvDO X6zetesNgHPT8kuIdVm2THpHUlAemRoCF547ldw+HYT6AapukvQ6UmJzPCO6VHtBu5m3 Fv9g+bVdQb9HnwofoASic3Umd+wak2Obt3Y9+aCNlNd/xkWSZjniBJ0uD+nApAAfchv/ vaZQ== X-Gm-Message-State: AJIora+dbq8GSN31GWfeyiQUjjhr+VBvcB1x3Ub+O9dh2Nc7z/mtBZzG wO+9nzX67hFT5FF/mJtymK4= X-Google-Smtp-Source: AGRyM1tWDQr8gW9Cdpw2RzWNZUvxJWQH9ziS7K0XOsvA1cJZPfGIaoYHIDsHwUctjiv9BFQpZ8o9lw== X-Received: by 2002:a17:903:3093:b0:16b:deea:4d36 with SMTP id u19-20020a170903309300b0016bdeea4d36mr9413725plc.126.1657822131082; Thu, 14 Jul 2022 11:08:51 -0700 (PDT) Received: from bvanassche-linux.mtv.corp.google.com ([2620:15c:211:201:9fab:70d1:f0e7:922b]) by smtp.gmail.com with ESMTPSA id m5-20020a170902db0500b0016bebb0cb96sm1781846plx.266.2022.07.14.11.08.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Jul 2022 11:08:50 -0700 (PDT) From: Bart Van Assche To: Jens Axboe Cc: linux-block@vger.kernel.org, Christoph Hellwig , Jaegeuk Kim , Bart Van Assche , Jan Kara , Al Viro , Matthew Wilcox Subject: [PATCH v3 46/63] fs/buffer: Use the new blk_opf_t type Date: Thu, 14 Jul 2022 11:07:12 -0700 Message-Id: <20220714180729.1065367-47-bvanassche@acm.org> X-Mailer: git-send-email 2.37.0.170.g444d1eabd0-goog In-Reply-To: <20220714180729.1065367-1-bvanassche@acm.org> References: <20220714180729.1065367-1-bvanassche@acm.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Improve static type checking by using the new blk_opf_t type for block layer request flags. Change WRITE into REQ_OP_WRITE. This patch does not change any functionality since REQ_OP_WRITE == WRITE == 1. Reviewed-by: Jan Kara Cc: Al Viro Cc: Christoph Hellwig Cc: Matthew Wilcox Signed-off-by: Bart Van Assche --- fs/buffer.c | 21 +++++++++++---------- include/linux/buffer_head.h | 9 +++++---- 2 files changed, 16 insertions(+), 14 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index 898c7f301b1b..4a00b61f35ec 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -52,8 +52,8 @@ #include "internal.h" static int fsync_buffers_list(spinlock_t *lock, struct list_head *list); -static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh, - struct writeback_control *wbc); +static int submit_bh_wbc(enum req_op op, blk_opf_t op_flags, + struct buffer_head *bh, struct writeback_control *wbc); #define BH_ENTRY(list) list_entry((list), struct buffer_head, b_assoc_buffers) @@ -1716,7 +1716,7 @@ int __block_write_full_page(struct inode *inode, struct page *page, struct buffer_head *bh, *head; unsigned int blocksize, bbits; int nr_underway = 0; - int write_flags = wbc_to_write_flags(wbc); + blk_opf_t write_flags = wbc_to_write_flags(wbc); head = create_page_buffers(page, inode, (1 << BH_Dirty)|(1 << BH_Uptodate)); @@ -2994,8 +2994,8 @@ static void end_bio_bh_io_sync(struct bio *bio) bio_put(bio); } -static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh, - struct writeback_control *wbc) +static int submit_bh_wbc(enum req_op op, blk_opf_t op_flags, + struct buffer_head *bh, struct writeback_control *wbc) { struct bio *bio; @@ -3040,7 +3040,7 @@ static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh, return 0; } -int submit_bh(int op, int op_flags, struct buffer_head *bh) +int submit_bh(enum req_op op, blk_opf_t op_flags, struct buffer_head *bh) { return submit_bh_wbc(op, op_flags, bh, NULL); } @@ -3072,7 +3072,8 @@ EXPORT_SYMBOL(submit_bh); * All of the buffers must be for the same device, and must also be a * multiple of the current approved size for the device. */ -void ll_rw_block(int op, int op_flags, int nr, struct buffer_head *bhs[]) +void ll_rw_block(enum req_op op, blk_opf_t op_flags, int nr, + struct buffer_head *bhs[]) { int i; @@ -3081,7 +3082,7 @@ void ll_rw_block(int op, int op_flags, int nr, struct buffer_head *bhs[]) if (!trylock_buffer(bh)) continue; - if (op == WRITE) { + if (op == REQ_OP_WRITE) { if (test_clear_buffer_dirty(bh)) { bh->b_end_io = end_buffer_write_sync; get_bh(bh); @@ -3101,7 +3102,7 @@ void ll_rw_block(int op, int op_flags, int nr, struct buffer_head *bhs[]) } EXPORT_SYMBOL(ll_rw_block); -void write_dirty_buffer(struct buffer_head *bh, int op_flags) +void write_dirty_buffer(struct buffer_head *bh, blk_opf_t op_flags) { lock_buffer(bh); if (!test_clear_buffer_dirty(bh)) { @@ -3119,7 +3120,7 @@ EXPORT_SYMBOL(write_dirty_buffer); * and then start new I/O and then wait upon it. The caller must have a ref on * the buffer_head. */ -int __sync_dirty_buffer(struct buffer_head *bh, int op_flags) +int __sync_dirty_buffer(struct buffer_head *bh, blk_opf_t op_flags) { int ret = 0; diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index c9d1463bb20f..9795df9400bd 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -9,6 +9,7 @@ #define _LINUX_BUFFER_HEAD_H #include +#include #include #include #include @@ -201,11 +202,11 @@ struct buffer_head *alloc_buffer_head(gfp_t gfp_flags); void free_buffer_head(struct buffer_head * bh); void unlock_buffer(struct buffer_head *bh); void __lock_buffer(struct buffer_head *bh); -void ll_rw_block(int, int, int, struct buffer_head * bh[]); +void ll_rw_block(enum req_op, blk_opf_t, int, struct buffer_head * bh[]); int sync_dirty_buffer(struct buffer_head *bh); -int __sync_dirty_buffer(struct buffer_head *bh, int op_flags); -void write_dirty_buffer(struct buffer_head *bh, int op_flags); -int submit_bh(int, int, struct buffer_head *); +int __sync_dirty_buffer(struct buffer_head *bh, blk_opf_t op_flags); +void write_dirty_buffer(struct buffer_head *bh, blk_opf_t op_flags); +int submit_bh(enum req_op, blk_opf_t, struct buffer_head *); void write_boundary_block(struct block_device *bdev, sector_t bblock, unsigned blocksize); int bh_uptodate_or_lock(struct buffer_head *bh);