diff options
| author |  Ingo Molnar <mingo@elte.hu>
| 2009-08-11 14:19:09 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu>
| 2009-08-11 14:19:09 +0200 |
| commit | 89034bc2c7b839702c00a704e79d112737f98be0 (patch) | |
| tree | e65b1f3d4c751baa840efc81bc4734f089379eb3 /fs/block_dev.c | |
| parent | tracing/filters: Don't use pred on alloc failure (diff) | |
| parent | pty: fix data loss when stopped (^S/^Q) (diff) | |
| download | linux-89034bc2c7b839702c00a704e79d112737f98be0.tar.gz linux-89034bc2c7b839702c00a704e79d112737f98be0.tar.bz2 linux-89034bc2c7b839702c00a704e79d112737f98be0.zip | |
Merge branch 'linus' into tracing/core
Conflicts:
kernel/trace/trace_events_filter.c
We use the tracing/core version.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 3a6d4fb2a329..94dfda24c06e 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; |