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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-08-05 22:10:52 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-08-05 22:10:52 +0100 |
| commit | 13efdbecc65ef6ec4028551fb223dea5c5e3143c (patch) | |
| tree | 634a2ce082abe3eb2a5defe0f1ddc2f3eb10f085 /fs/block_dev.c | |
| parent | 61f4a10cb4e9447a85245c63b3e7f46e09299fed (diff) | |
| parent | 6fd210a9cc398ecbff7bcdbe220651b73b654f56 (diff) | |
Merge branch 'pm-upstream/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into devel-stable
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 3a6d4fb2a32..94dfda24c06 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -564,6 +564,16 @@ struct block_device *bdget(dev_t dev) EXPORT_SYMBOL(bdget); +/** + * bdgrab -- Grab a reference to an already referenced block device + * @bdev: Block device to grab a reference to. + */ +struct block_device *bdgrab(struct block_device *bdev) +{ + atomic_inc(&bdev->bd_inode->i_count); + return bdev; +} + long nr_blockdev_pages(void) { struct block_device *bdev; |