From patchwork Sat Apr 9 04:50:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12807594 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 aib29ajc246.phx1.oracleemaildelivery.com (aib29ajc246.phx1.oracleemaildelivery.com [192.29.103.246]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 01E70C433EF for ; Sat, 9 Apr 2022 04:52:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; s=oss-phx-1109; d=oss.oracle.com; h=Date:To:From:Subject:Message-Id:MIME-Version:Sender; bh=cFZFHy2P1yEByFwgaUITjjO2DIQYosKuMDJLZz0CSPc=; b=PanAfvS2rvSy/Tk3m6Ojv7Ej99OAW/h1bDRRMoYl+v7ooz5pDfPrbjyZg+AXZ2ARoSWUEpIljB6h RF29t/lDbmHdvSO8RuLKIckLaGxR1S9Pmn5iScYZhfC0TI24h40/8AhFIjDjAhvcEuaq4kxgB7YP IozsHd0I4XLNhausA7MrT5ab7TMVnX5UUEamT7epPjAS6PNWRl/Te6xpxJcxLKAzJ8yUPLNKpadV EpVGv8HbcuyISR0aWhvGtnWYEOhFVJ2SLMjfraRGUuMWEM7X3kPhB1roBq+gE+IeMkkbHQd4Nwv6 kjP4MgHtaW+nzFUxRhbEdq2uk+HWZjHyt2ZD/A== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; s=prod-phx-20191217; d=phx1.rp.oracleemaildelivery.com; h=Date:To:From:Subject:Message-Id:MIME-Version:Sender; bh=cFZFHy2P1yEByFwgaUITjjO2DIQYosKuMDJLZz0CSPc=; b=ptaQGzue3eoMPTQXD2SQdS1gKvNkeqfQuDnYMhsaP67KrDMuLkFNHvXt9TeT/QLTqUsj6/KRDdyn 0/7PX72HugN/S/hNB20EekeWP6uwo7hszG4fJZRu7OJpYo4FpdVZPiSz5oDijTpqjNeW8FvSMR47 rN/IU8kltX7S5zvmZO9rfM46Yobq9R+UHtOCelnF8dthDxjqBgnb2sWHSvCAkGp8kEkxgV4eVY1O 3xfIp1seLyPvwezn9hvqTHitnd0v46CR3tAESXw/FJg6ltOlfCSQFXAgLULuJzAExLiAmKu0Ecjj h+9noCehB7rrbJSGjf2EJR9oh/PgaQcsc8tC2g== Received: by omta-ad1-fd3-101-us-phoenix-1.omtaad1.vcndpphx.oraclevcn.com (Oracle Communications Messaging Server 8.1.0.1.20220319 64bit (built Mar 19 2022)) with ESMTPS id <0RA200OH32UWKN20@omta-ad1-fd3-101-us-phoenix-1.omtaad1.vcndpphx.oraclevcn.com> for ocfs2-devel@archiver.kernel.org; Sat, 09 Apr 2022 04:52:08 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=2RG8/4DncVNJBVxiwRZlDWFw3of1TwdfVdHLgkB+Spw=; b=bHToJbTwXX9JeK0n0FFEHck7oK nA96qn4tsO9VvTxVN8oChK/ZngVrRM/0RF6G9ra3tv3c4LiSpAW93VdnTUb837bG7nj26lWP035AX +oB1LRxVd3o4RNZBzKIPVYYv/AqgqQH13jSTRjPJXLj+fHe3sQ7lQiOs0AqFOPiV0QvmbZSG1K8qh 9AilEZ6nzAlZEnIp9Du8I20RfuJmhuvcocvyHX9G65n9qxdF8wS5MzRNFD9kn7Nula/Xd3cMLnifm ikockttcbAn2ou+cROly75gq/5PqLm1F2FPp9pVf438qn2667h4Aje3z8zrXhBCgwdMkGUyOJsCBu B0U5qlrw==; To: Jens Axboe Date: Sat, 9 Apr 2022 06:50:30 +0200 Message-id: <20220409045043.23593-15-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-reply-to: <20220409045043.23593-1-hch@lst.de> References: <20220409045043.23593-1-hch@lst.de> MIME-version: 1.0 X-Source-IP: 127.0.0.1 X-Proofpoint-Virus-Version: vendor=nai engine=6300 definitions=10311 signatures=695566 X-Proofpoint-Spam-Details: rule=tap_notspam policy=tap score=0 clxscore=231 priorityscore=30 bulkscore=0 suspectscore=0 mlxlogscore=821 lowpriorityscore=0 phishscore=0 spamscore=0 mlxscore=0 adultscore=0 impostorscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204090027 Cc: jfs-discussion@lists.sourceforge.net, linux-nvme@lists.infradead.org, virtualization@lists.linux-foundation.org, linux-mm@kvack.org, dm-devel@redhat.com, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, drbd-dev@lists.linbit.com, linux-s390@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, cluster-devel@redhat.com, xen-devel@lists.xenproject.org, linux-ext4@vger.kernel.org, linux-um@lists.infradead.org, nbd@other.debian.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, ceph-devel@vger.kernel.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-fsdevel@vger.kernel.org, ntfs3@lists.linux.dev, linux-btrfs@vger.kernel.org Subject: [Ocfs2-devel] [PATCH 14/27] block: add a bdev_stable_writes helper X-BeenThere: ocfs2-devel@oss.oracle.com X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Christoph Hellwig via Ocfs2-devel Reply-to: Christoph Hellwig Content-type: text/plain; charset="us-ascii" Content-transfer-encoding: 7bit Errors-to: ocfs2-devel-bounces@oss.oracle.com X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-ServerName: localhost X-Proofpoint-SPF-Result: None X-Spam: Clean X-Proofpoint-GUID: EL-gAWYWdoQkptaDOhP85Fytge0tyGaT X-Proofpoint-ORIG-GUID: EL-gAWYWdoQkptaDOhP85Fytge0tyGaT Reporting-Meta: AAGYUbwR03wnJcf9syls7qDkPkrGJquYqpqGSkvddjM4z9O9rws9yNH1OGdrJXlo sJEH7cRSG+Yo7QSuIMgk+XXXIBylt63VZKYMpCELIaIwEPna380OKBAU4I1s/KTo x6z40TIKAsSxx1VA/tELGO2mr8/BrcinNeWY6gINcbJedCAlXJhpgujov/6pT2g5 fdRnaaVRKjk3PscLxchf3x5FZeghtjD9ceU86FaOX41c11XvfxSpfTObWquQRxAZ zmAvoIBFKi0I5tecbtcQ8LW3Ff83yRlVsyjlQtPwnG2FHQ41H7Pz1PfKT0iGMvkN L7WqbL9C/wZmoFKEXIEpopBJDGhexHPUHEGXQbmOSwQC1KMGuQcr9ELg0LWTX58+ WefSnayxRmkqGCcalxKh7REc3AHrgQ6V9Xq4ncPEWAeDl/w4ZME5y03KaaEM+PuS gDkR3QosC5uVAsPQ/wOzfAvgTzbyC4AvRgUaRCN3V4dHKsXBrDfauHWe8tuhJptg 8A6Hh6bBb9LVWFNKNPEfFUm2ZAyf/7ZD90TtarrhyRnw Add a helper to check the stable writes flag based on the block_device instead of having to poke into the block layer internal request_queue. Signed-off-by: Christoph Hellwig Reviewed-by: Martin K. Petersen --- drivers/md/dm-table.c | 4 +--- fs/super.c | 2 +- include/linux/blkdev.h | 6 ++++++ mm/swapfile.c | 2 +- 4 files changed, 9 insertions(+), 5 deletions(-) diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 5e38d0dd009d5..d46839faa0ca5 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1950,9 +1950,7 @@ static int device_requires_stable_pages(struct dm_target *ti, struct dm_dev *dev, sector_t start, sector_t len, void *data) { - struct request_queue *q = bdev_get_queue(dev->bdev); - - return blk_queue_stable_writes(q); + return bdev_stable_writes(dev->bdev); } int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, diff --git a/fs/super.c b/fs/super.c index f1d4a193602d6..60f57c7bc0a69 100644 --- a/fs/super.c +++ b/fs/super.c @@ -1204,7 +1204,7 @@ static int set_bdev_super(struct super_block *s, void *data) s->s_dev = s->s_bdev->bd_dev; s->s_bdi = bdi_get(s->s_bdev->bd_disk->bdi); - if (blk_queue_stable_writes(s->s_bdev->bd_disk->queue)) + if (bdev_stable_writes(s->s_bdev)) s->s_iflags |= SB_I_STABLE_WRITES; return 0; } diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 075b16d4560e7..a433798c3343e 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1330,6 +1330,12 @@ static inline bool bdev_nonrot(struct block_device *bdev) return blk_queue_nonrot(bdev_get_queue(bdev)); } +static inline bool bdev_stable_writes(struct block_device *bdev) +{ + return test_bit(QUEUE_FLAG_STABLE_WRITES, + &bdev_get_queue(bdev)->queue_flags); +} + static inline bool bdev_write_cache(struct block_device *bdev) { return test_bit(QUEUE_FLAG_WC, &bdev_get_queue(bdev)->queue_flags); diff --git a/mm/swapfile.c b/mm/swapfile.c index d5ab7ec4d92ca..4069f17a82c8e 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -3065,7 +3065,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) goto bad_swap_unlock_inode; } - if (p->bdev && blk_queue_stable_writes(p->bdev->bd_disk->queue)) + if (p->bdev && bdev_stable_writes(p->bdev)) p->flags |= SWP_STABLE_WRITES; if (p->bdev && p->bdev->bd_disk->fops->rw_page)