diff options
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/Kconfig | |
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/Kconfig')
0 files changed, 0 insertions, 0 deletions