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authorGabriel Krisman Bertazi <krisman@collabora.com>2020-04-30 16:48:29 -0400
committerMike Snitzer <snitzer@redhat.com>2020-05-15 10:29:36 -0400
commit087615bf3acdafd0ba7c7c9ed5286e7b7c80fe1b (patch)
treea3ecdcc75df1e1a714466302ebb9f4f29d58bfd9 /drivers/md/dm-path-selector.h
parent48338daaa00e6137a43fa5d0e54b763aa34f450b (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.h2
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 */