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author | Jens Axboe <jaxboe@fusionio.com> | 2010-11-27 19:49:18 +0100 |
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committer | Jens Axboe <jaxboe@fusionio.com> | 2010-11-27 19:49:18 +0100 |
commit | f30195c50245d8ace628e1978b1daa8df86e7224 (patch) | |
tree | edf4f91c4356c41d50fb07f15cebd1e6442538ad /drivers/md/dm-table.c | |
parent | d07335e51df0c6dec202d315fc4f1f7e100eec4e (diff) | |
parent | d4d77629953eabd3c14f6fa5746f6b28babfc55f (diff) | |
download | kernel_samsung_smdk4412-f30195c50245d8ace628e1978b1daa8df86e7224.zip kernel_samsung_smdk4412-f30195c50245d8ace628e1978b1daa8df86e7224.tar.gz kernel_samsung_smdk4412-f30195c50245d8ace628e1978b1daa8df86e7224.tar.bz2 |
Merge branch 'cleanup-bd_claim' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into for-2.6.38/core
Diffstat (limited to 'drivers/md/dm-table.c')
-rw-r--r-- | drivers/md/dm-table.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 90267f8..67150c3 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -325,15 +325,18 @@ static int open_dev(struct dm_dev_internal *d, dev_t dev, BUG_ON(d->dm_dev.bdev); - bdev = open_by_devnum(dev, d->dm_dev.mode); + bdev = blkdev_get_by_dev(dev, d->dm_dev.mode | FMODE_EXCL, _claim_ptr); if (IS_ERR(bdev)) return PTR_ERR(bdev); - r = bd_claim_by_disk(bdev, _claim_ptr, dm_disk(md)); - if (r) - blkdev_put(bdev, d->dm_dev.mode); - else - d->dm_dev.bdev = bdev; - return r; + + r = bd_link_disk_holder(bdev, dm_disk(md)); + if (r) { + blkdev_put(bdev, d->dm_dev.mode | FMODE_EXCL); + return r; + } + + d->dm_dev.bdev = bdev; + return 0; } /* @@ -344,8 +347,7 @@ static void close_dev(struct dm_dev_internal *d, struct mapped_device *md) if (!d->dm_dev.bdev) return; - bd_release_from_disk(d->dm_dev.bdev, dm_disk(md)); - blkdev_put(d->dm_dev.bdev, d->dm_dev.mode); + blkdev_put(d->dm_dev.bdev, d->dm_dev.mode | FMODE_EXCL); d->dm_dev.bdev = NULL; } |