diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-13 09:57:10 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-13 09:57:10 +0200 |
| commit | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (patch) | |
| tree | a2c186cb828e3713c2ec48a4d7191166fb798b3d /drivers/md/dm-bufio.h | |
| parent | 659c36fcda403013a01b85da07cf2d9711e6d6c7 (diff) | |
| parent | 0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff) | |
Merge tag 'v3.4-rc2' into perf/core
Merge Linux 3.4-rc2: we were on v3.3, update the base.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/md/dm-bufio.h')
| -rw-r--r-- | drivers/md/dm-bufio.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/md/dm-bufio.h b/drivers/md/dm-bufio.h index 5c4c3a04e38..b142946a9e3 100644 --- a/drivers/md/dm-bufio.h +++ b/drivers/md/dm-bufio.h @@ -63,6 +63,14 @@ void *dm_bufio_new(struct dm_bufio_client *c, sector_t block, struct dm_buffer **bp); /* + * Prefetch the specified blocks to the cache. + * The function starts to read the blocks and returns without waiting for + * I/O to finish. + */ +void dm_bufio_prefetch(struct dm_bufio_client *c, + sector_t block, unsigned n_blocks); + +/* * Release a reference obtained with dm_bufio_{read,get,new}. The data * pointer and dm_buffer pointer is no longer valid after this call. */ |