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| author | Jarod Wilson <jarod@redhat.com> | 2015-05-06 12:26:28 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-05-20 09:06:17 -0600 |
| commit | a05e578055d7f9ec2d5c4465933eb424c4e8e25b (patch) | |
| tree | 97d307e805cc7ab98c50b9bccbeca6f76bccf0e2 /drivers/s390 | |
| parent | 6029a06c88b925467cb43e4b57dcede88f0457eb (diff) | |
| download | linux-a05e578055d7f9ec2d5c4465933eb424c4e8e25b.tar.gz | |
s390/block/dasd: remove obsolete while -EBUSY loop
With the mutex_trylock bit gone from blkdev_reread_part(), the retry logic in dasd_scan_partitions() shouldn't be necessary. CC: Christoph Hellwig <hch@infradead.org> CC: Jens Axboe <axboe@kernel.dk> CC: Tejun Heo <tj@kernel.org> CC: Alexander Viro <viro@zeniv.linux.org.uk> CC: Markus Pargmann <mpa@pengutronix.de> CC: Stefan Weinhuber <wein@de.ibm.com> CC: Stefan Haberland <stefan.haberland@de.ibm.com> CC: Sebastian Ott <sebott@linux.vnet.ibm.com> CC: Fabian Frederick <fabf@skynet.be> CC: Ming Lei <ming.lei@canonical.com> CC: David Herrmann <dh.herrmann@gmail.com> CC: Andrew Morton <akpm@linux-foundation.org> CC: Peter Zijlstra <peterz@infradead.org> CC: nbd-general@lists.sourceforge.net CC: linux-s390@vger.kernel.org Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/block/dasd_genhd.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c index 2af461923683..ef1d9fb06cab 100644 --- a/drivers/s390/block/dasd_genhd.c +++ b/drivers/s390/block/dasd_genhd.c @@ -99,9 +99,8 @@ void dasd_gendisk_free(struct dasd_block *block) int dasd_scan_partitions(struct dasd_block *block) { struct block_device *bdev; - int retry, rc; + int rc; - retry = 5; bdev = bdget_disk(block->gdp, 0); if (!bdev) { DBF_DEV_EVENT(DBF_ERR, block->base, "%s", @@ -118,14 +117,9 @@ int dasd_scan_partitions(struct dasd_block *block) } rc = blkdev_reread_part(bdev); - while (rc == -EBUSY && retry > 0) { - schedule(); - rc = blkdev_reread_part(bdev); - retry--; + if (rc) DBF_DEV_EVENT(DBF_ERR, block->base, - "scan partitions error, retry %d rc %d", - retry, rc); - } + "scan partitions error, rc %d", rc); /* * Since the matching blkdev_put call to the blkdev_get in |