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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 08/14] dasd: cleanup dasd_scan_partitions
Date: Mon, 21 Sep 2020 09:19:52 +0200 [thread overview]
Message-ID: <20200921071958.307589-9-hch@lst.de> (raw)
In-Reply-To: <20200921071958.307589-1-hch@lst.de>
Use blkdev_get_by_dev instead of bdget_disk + blkdev_get.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/s390/block/dasd_genhd.c | 15 ++++-----------
1 file changed, 4 insertions(+), 11 deletions(-)
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index af5b0ecb8f8923..a9698fba9b76ce 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -101,18 +101,11 @@ int dasd_scan_partitions(struct dasd_block *block)
struct block_device *bdev;
int rc;
- bdev = bdget_disk(block->gdp, 0);
- if (!bdev) {
- DBF_DEV_EVENT(DBF_ERR, block->base, "%s",
- "scan partitions error, bdget returned NULL");
- return -ENODEV;
- }
-
- rc = blkdev_get(bdev, FMODE_READ, NULL);
- if (rc < 0) {
+ bdev = blkdev_get_by_dev(disk_devt(block->gdp), FMODE_READ, NULL);
+ if (IS_ERR(bdev)) {
DBF_DEV_EVENT(DBF_ERR, block->base,
- "scan partitions error, blkdev_get returned %d",
- rc);
+ "scan partitions error, blkdev_get returned %ld",
+ PTR_ERR(bdev));
return -ENODEV;
}
--
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 ` [PATCH 03/14] block: cleanup blkdev_bszset Christoph Hellwig
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 ` Christoph Hellwig [this message]
2020-09-21 8:45 ` [PATCH 08/14] dasd: cleanup dasd_scan_partitions 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 08/14] dasd: cleanup dasd_scan_partitions Christoph Hellwig
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