diff options
Diffstat (limited to 'drivers/md/dm-bufio.h')
| -rw-r--r-- | drivers/md/dm-bufio.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/md/dm-bufio.h b/drivers/md/dm-bufio.h index c096779a7292..b6d8f53ec15b 100644 --- a/drivers/md/dm-bufio.h +++ b/drivers/md/dm-bufio.h @@ -32,6 +32,13 @@ dm_bufio_client_create(struct block_device *bdev, unsigned block_size, void dm_bufio_client_destroy(struct dm_bufio_client *c); /* + * Set the sector range. + * When this function is called, there must be no I/O in progress on the bufio + * client. + */ +void dm_bufio_set_sector_offset(struct dm_bufio_client *c, sector_t start); + +/* * WARNING: to avoid deadlocks, these conditions are observed: * * - At most one thread can hold at most "reserved_buffers" simultaneously. |