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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Josef Bacik <josef@toxicpanda.com>,
Minchan Kim <minchan@kernel.org>,
Stefan Haberland <sth@linux.ibm.com>,
Jan Hoeppner <hoeppner@linux.ibm.com>,
Joseph Qi <joseph.qi@linux.alibaba.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Pavel Machek <pavel@ucw.cz>, Len Brown <len.brown@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, nbd@other.debian.org,
linux-ide@vger.kernel.org, linux-s390@vger.kernel.org,
linux-fsdevel@vger.kernel.org, ocfs2-devel@oss.oracle.com,
linux-pm@vger.kernel.org, linux-mm@kvack.org,
linux-block@vger.kernel.org
Subject: [PATCH 03/14] block: cleanup blkdev_bszset
Date: Mon, 21 Sep 2020 09:19:47 +0200 [thread overview]
Message-ID: <20200921071958.307589-4-hch@lst.de> (raw)
In-Reply-To: <20200921071958.307589-1-hch@lst.de>
Use blkdev_get_by_dev instead of bdgrab + blkdev_get.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
block/ioctl.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/block/ioctl.c b/block/ioctl.c
index ae74d0409afab9..06262c28f0c6c1 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -478,15 +478,14 @@ static int blkdev_bszset(struct block_device *bdev, fmode_t mode,
if (get_user(n, argp))
return -EFAULT;
- if (!(mode & FMODE_EXCL)) {
- bdgrab(bdev);
- if (blkdev_get(bdev, mode | FMODE_EXCL, &bdev) < 0)
- return -EBUSY;
- }
+ if (mode & FMODE_EXCL)
+ return set_blocksize(bdev, n);
+ if (IS_ERR(blkdev_get_by_dev(bdev->bd_dev, mode | FMODE_EXCL, &bdev)))
+ return -EBUSY;
ret = set_blocksize(bdev, n);
- if (!(mode & FMODE_EXCL))
- blkdev_put(bdev, mode | FMODE_EXCL);
+ blkdev_put(bdev, mode | FMODE_EXCL);
+
return ret;
}
--
2.28.0
next prev parent reply other threads:[~2020-09-21 7:20 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-21 7:19 remove blkdev_get as a public API v2 Christoph Hellwig
2020-09-21 7:19 ` [PATCH 01/14] block: move the NEED_PART_SCAN flag to struct gendisk Christoph Hellwig
2020-09-21 7:19 ` [PATCH 02/14] block: cleanup partition scanning in register_disk Christoph Hellwig
2020-09-21 7:19 ` Christoph Hellwig [this message]
2020-09-21 7:19 ` [PATCH 04/14] pktcdvd: remove the if 0'ed pkt_start_recovery function Christoph Hellwig
2020-09-21 7:19 ` [PATCH 05/14] pktcdvd: use blkdev_get_by_dev instead of open coding it Christoph Hellwig
2020-09-21 7:19 ` [PATCH 06/14] zram: cleanup backing_dev_store Christoph Hellwig
2020-09-21 7:19 ` [PATCH 07/14] raw: don't keep unopened block device around Christoph Hellwig
2020-09-21 7:19 ` [PATCH 08/14] dasd: cleanup dasd_scan_partitions Christoph Hellwig
2020-09-21 8:45 ` Sergei Shtylyov
2020-09-22 15:18 ` Stefan Haberland
2020-09-21 7:19 ` [PATCH 09/14] ocfs2: cleanup o2hb_region_dev_store Christoph Hellwig
2020-09-21 7:19 ` [PATCH 10/14] mm: cleanup claim_swapfile Christoph Hellwig
2020-09-21 7:19 ` [PATCH 11/14] PM: rewrite is_hibernate_resume_dev to not require an inode Christoph Hellwig
2020-09-21 21:46 ` Pavel Machek
2020-09-21 7:19 ` [PATCH 12/14] mm: split swap_type_of Christoph Hellwig
2020-09-21 7:19 ` [PATCH 13/14] PM: mm: cleanup swsusp_swap_check Christoph Hellwig
2020-09-21 7:19 ` [PATCH 14/14] block: mark blkdev_get static Christoph Hellwig
2020-09-23 16:43 ` remove blkdev_get as a public API v2 Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2020-09-17 16:57 remove blkdev_get as a public API Christoph Hellwig
2020-09-17 16:57 ` [PATCH 03/14] block: cleanup blkdev_bszset Christoph Hellwig
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