diff options
| author | Gabriel Krisman Bertazi <krisman@collabora.com> | 2020-04-30 16:48:29 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2020-05-15 10:29:36 -0400 |
| commit | 087615bf3acdafd0ba7c7c9ed5286e7b7c80fe1b (patch) | |
| tree | a3ecdcc75df1e1a714466302ebb9f4f29d58bfd9 /drivers/md/dm-path-selector.h | |
| parent | 48338daaa00e6137a43fa5d0e54b763aa34f450b (diff) | |
dm mpath: pass IO start time to path selector
The HST path selector needs this information to perform path
prediction. For request-based mpath, struct request's io_start_time_ns
is used, while for bio-based, use the start_time stored in dm_io.
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-path-selector.h')
| -rw-r--r-- | drivers/md/dm-path-selector.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-path-selector.h b/drivers/md/dm-path-selector.h index b6eb5365b1a4..c47bc0e20275 100644 --- a/drivers/md/dm-path-selector.h +++ b/drivers/md/dm-path-selector.h @@ -74,7 +74,7 @@ struct path_selector_type { int (*start_io) (struct path_selector *ps, struct dm_path *path, size_t nr_bytes); int (*end_io) (struct path_selector *ps, struct dm_path *path, - size_t nr_bytes); + size_t nr_bytes, u64 start_time); }; /* Register a path selector */ |