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| author | Gabriel Krisman Bertazi <krisman@collabora.com> | 2020-04-30 22:48:29 +0200 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2020-05-15 16:29:36 +0200 |
| commit | 087615bf3acdafd0ba7c7c9ed5286e7b7c80fe1b (patch) | |
| tree | a3ecdcc75df1e1a714466302ebb9f4f29d58bfd9 /drivers/md/dm-queue-length.c | |
| parent | dm writecache: improve performance on DDR persistent memory (Optane) (diff) | |
| download | linux-087615bf3acdafd0ba7c7c9ed5286e7b7c80fe1b.tar.xz linux-087615bf3acdafd0ba7c7c9ed5286e7b7c80fe1b.zip | |
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-queue-length.c')
| -rw-r--r-- | drivers/md/dm-queue-length.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-queue-length.c b/drivers/md/dm-queue-length.c index 969c4f1a3633..5fd018d18418 100644 --- a/drivers/md/dm-queue-length.c +++ b/drivers/md/dm-queue-length.c @@ -227,7 +227,7 @@ static int ql_start_io(struct path_selector *ps, struct dm_path *path, } static int ql_end_io(struct path_selector *ps, struct dm_path *path, - size_t nr_bytes) + size_t nr_bytes, u64 start_time) { struct path_info *pi = path->pscontext; |