diff options
| author | Andrew Morton <akpm@osdl.org> | 2004-04-20 17:42:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-04-20 17:42:39 -0700 |
| commit | 137718ec5f67102faf88e87e900d3188936e039b (patch) | |
| tree | 0f9cc11142ff35b569fc294853118d7fc237ccd8 /include/linux/buffer_head.h | |
| parent | 4aa3ba95023de7129d2d11ad4d05f4e2d53668d3 (diff) | |
[PATCH] lockfs - vfs bits
From: Christoph Hellwig <hch@lst.de>
These are the generic lockfs bits. Basically it takes the XFS freezing
statemachine into the VFS. It's all behind the kernel-doc documented
freeze_bdev and thaw_bdev interfaces.
Based on an older patch from Chris Mason.
Diffstat (limited to 'include/linux/buffer_head.h')
| -rw-r--r-- | include/linux/buffer_head.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index ebe0b1221579..99cb4139354b 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -157,6 +157,8 @@ void __wait_on_buffer(struct buffer_head *); wait_queue_head_t *bh_waitq_head(struct buffer_head *bh); void wake_up_buffer(struct buffer_head *bh); int fsync_bdev(struct block_device *); +struct super_block *freeze_bdev(struct block_device *); +void thaw_bdev(struct block_device *, struct super_block *); int fsync_super(struct super_block *); int fsync_no_super(struct block_device *); struct buffer_head *__find_get_block(struct block_device *, sector_t, int); |