From patchwork Tue Jan 23 13:26:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Brauner X-Patchwork-Id: 13527403 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 52B4A60ECD; Tue, 23 Jan 2024 13:27:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706016467; cv=none; b=V92LkYpLWZaxte+I9EEmGAjOqrCdSl50jql+sf+0rsO3P378VBes10lUfJ/c7CGn2+TzriM29FUPcqsgub502ZdUbMTzgF109x6VaMwEK09Bmu2kqDrN1o2MKeQUXrG07aBTf9Bhu+L4DYtnCbmPJtK83wRjDoaxTCj6tcWAJe4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706016467; c=relaxed/simple; bh=0Ste0MfMG6DdZ4HR2aJYpYgdnL9rMRG/HPBFV6aC8fE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=o7WtuORY8kaNH8gvuOpubP0bVCbz9e7u1W4biCdR9p3/mxfia5wST2TLtIewlm9oFl3tVPjO+5vfldOWoPDIxC0ec5gdEAYP6GvnCiEehgFRfdsLvOWhzXlynPS0jkiNaPM6hJOeYIPgSq7+flnTGeBPi+SDP+Ief9OnrPrngGg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MM8rPQWD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MM8rPQWD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7246FC43390; Tue, 23 Jan 2024 13:27:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706016467; bh=0Ste0MfMG6DdZ4HR2aJYpYgdnL9rMRG/HPBFV6aC8fE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=MM8rPQWDaOkXW2bY7AsMjhToTbK+0n5oerO00WDGvuOqw8rRJZCAgcoJHIAHKkEwz 08B7xVPtUT3YdOnG1tAuiWq9yUyEzh0aJHlepQyGfs24YHi8eM4NBsEzVDJuphG9YH lB1Kh3Gby3Fyl1uPO3bItI4BDhkJIMVzG715/MCh3N1SI9JcPF2KgxzcG0du+8z2Jk c3FWJt1WiYWOr/LS4QXEUaDRz1KhBLbdhDyHYeltJSQqjsU10H9dQZ9so81ghWR3Ze 88DZ7Csh9xYPF5tgQOmMh8UG7E1EU/BRRzAWHSQAQVPCQiN67ePg3G+4LsSjb64CKz qz9sd5g3+SnrQ== From: Christian Brauner Date: Tue, 23 Jan 2024 14:26:37 +0100 Subject: [PATCH v2 20/34] erofs: port device access to file Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240123-vfs-bdev-file-v2-20-adbd023e19cc@kernel.org> References: <20240123-vfs-bdev-file-v2-0-adbd023e19cc@kernel.org> In-Reply-To: <20240123-vfs-bdev-file-v2-0-adbd023e19cc@kernel.org> To: Jan Kara , Christoph Hellwig , Jens Axboe Cc: "Darrick J. Wong" , linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, Christian Brauner X-Mailer: b4 0.13-dev-4e032 X-Developer-Signature: v=1; a=openpgp-sha256; l=3211; i=brauner@kernel.org; h=from:subject:message-id; bh=0Ste0MfMG6DdZ4HR2aJYpYgdnL9rMRG/HPBFV6aC8fE=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMaSu37dAOd07uXfVjNtmr3uFZis9q0kvtPkp4yfXd3HO5 /KwxLM3O0pZGMS4GGTFFFkc2k3C5ZbzVGw2ytSAmcPKBDKEgYtTACbC9peR4RIv15+Mt/OZLO49 jX9x99o1Gd86qRe75fv4LtXJs9ZO+8rIMK1bzbr5eMmK4AU/2F3ZxYpnrdFbbzxP1zl++Yng4s8 qnAA= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Signed-off-by: Christian Brauner Reviewed-by: Jan Kara --- fs/erofs/data.c | 6 +++--- fs/erofs/internal.h | 2 +- fs/erofs/super.c | 16 ++++++++-------- 3 files changed, 12 insertions(+), 12 deletions(-) diff --git a/fs/erofs/data.c b/fs/erofs/data.c index c98aeda8abb2..433fc39ba423 100644 --- a/fs/erofs/data.c +++ b/fs/erofs/data.c @@ -220,7 +220,7 @@ int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *map) up_read(&devs->rwsem); return 0; } - map->m_bdev = dif->bdev_handle ? dif->bdev_handle->bdev : NULL; + map->m_bdev = dif->bdev_file ? file_bdev(dif->bdev_file) : NULL; map->m_daxdev = dif->dax_dev; map->m_dax_part_off = dif->dax_part_off; map->m_fscache = dif->fscache; @@ -238,8 +238,8 @@ int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *map) if (map->m_pa >= startoff && map->m_pa < startoff + length) { map->m_pa -= startoff; - map->m_bdev = dif->bdev_handle ? - dif->bdev_handle->bdev : NULL; + map->m_bdev = dif->bdev_file ? + file_bdev(dif->bdev_file) : NULL; map->m_daxdev = dif->dax_dev; map->m_dax_part_off = dif->dax_part_off; map->m_fscache = dif->fscache; diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h index b0409badb017..0f0706325b7b 100644 --- a/fs/erofs/internal.h +++ b/fs/erofs/internal.h @@ -49,7 +49,7 @@ typedef u32 erofs_blk_t; struct erofs_device_info { char *path; struct erofs_fscache *fscache; - struct bdev_handle *bdev_handle; + struct file *bdev_file; struct dax_device *dax_dev; u64 dax_part_off; diff --git a/fs/erofs/super.c b/fs/erofs/super.c index 5f60f163bd56..9b4b66dcdd4f 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -177,7 +177,7 @@ static int erofs_init_device(struct erofs_buf *buf, struct super_block *sb, struct erofs_sb_info *sbi = EROFS_SB(sb); struct erofs_fscache *fscache; struct erofs_deviceslot *dis; - struct bdev_handle *bdev_handle; + struct file *bdev_file; void *ptr; ptr = erofs_read_metabuf(buf, sb, erofs_blknr(sb, *pos), EROFS_KMAP); @@ -201,12 +201,12 @@ static int erofs_init_device(struct erofs_buf *buf, struct super_block *sb, return PTR_ERR(fscache); dif->fscache = fscache; } else if (!sbi->devs->flatdev) { - bdev_handle = bdev_open_by_path(dif->path, BLK_OPEN_READ, + bdev_file = bdev_file_open_by_path(dif->path, BLK_OPEN_READ, sb->s_type, NULL); - if (IS_ERR(bdev_handle)) - return PTR_ERR(bdev_handle); - dif->bdev_handle = bdev_handle; - dif->dax_dev = fs_dax_get_by_bdev(bdev_handle->bdev, + if (IS_ERR(bdev_file)) + return PTR_ERR(bdev_file); + dif->bdev_file = bdev_file; + dif->dax_dev = fs_dax_get_by_bdev(file_bdev(bdev_file), &dif->dax_part_off, NULL, NULL); } @@ -754,8 +754,8 @@ static int erofs_release_device_info(int id, void *ptr, void *data) struct erofs_device_info *dif = ptr; fs_put_dax(dif->dax_dev, NULL); - if (dif->bdev_handle) - bdev_release(dif->bdev_handle); + if (dif->bdev_file) + fput(dif->bdev_file); erofs_fscache_unregister_cookie(dif->fscache); dif->fscache = NULL; kfree(dif->path);