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path: root/drivers/md/dm-table.c
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Diffstat (limited to 'drivers/md/dm-table.c')
-rw-r--r--drivers/md/dm-table.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 2c876ffc63df..9e88ca0c55e9 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -325,20 +325,13 @@ static int open_dev(struct dm_dev_internal *d, dev_t dev,
325 325
326 BUG_ON(d->dm_dev.bdev); 326 BUG_ON(d->dm_dev.bdev);
327 327
328 bdev = open_by_devnum(dev, d->dm_dev.mode); 328 bdev = open_by_devnum(dev, d->dm_dev.mode | FMODE_EXCL, _claim_ptr);
329 if (IS_ERR(bdev)) 329 if (IS_ERR(bdev))
330 return PTR_ERR(bdev); 330 return PTR_ERR(bdev);
331 331
332 r = bd_claim(bdev, _claim_ptr);
333 if (r) {
334 blkdev_put(bdev, d->dm_dev.mode);
335 return r;
336 }
337
338 r = bd_link_disk_holder(bdev, dm_disk(md)); 332 r = bd_link_disk_holder(bdev, dm_disk(md));
339 if (r) { 333 if (r) {
340 bd_release(bdev); 334 blkdev_put(bdev, d->dm_dev.mode | FMODE_EXCL);
341 blkdev_put(bdev, d->dm_dev.mode);
342 return r; 335 return r;
343 } 336 }
344 337
@@ -354,9 +347,7 @@ static void close_dev(struct dm_dev_internal *d, struct mapped_device *md)
354 if (!d->dm_dev.bdev) 347 if (!d->dm_dev.bdev)
355 return; 348 return;
356 349
357 bd_unlink_disk_holder(d->dm_dev.bdev); 350 blkdev_put(d->dm_dev.bdev, d->dm_dev.mode | FMODE_EXCL);
358 bd_release(d->dm_dev.bdev);
359 blkdev_put(d->dm_dev.bdev, d->dm_dev.mode);
360 d->dm_dev.bdev = NULL; 351 d->dm_dev.bdev = NULL;
361} 352}
362 353