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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-09-12 12:02:26 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-12 12:02:26 +0100 |
| commit | ddd559b13f6d2fe3ad68c4b3f5235fd3c2eae4e3 (patch) | |
| tree | d827bca3fc825a0ac33efbcd493713be40fcc812 /fs/block_dev.c | |
| parent | cf7a2b4fb6a9b86779930a0a123b0df41aa9208f (diff) | |
| parent | f17a1f06d2fa93f4825be572622eb02c4894db4e (diff) | |
Merge branch 'devel-stable' into devel
Conflicts:
MAINTAINERS
arch/arm/mm/fault.c
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; |