git.baikalelectronics.ru Git - kernel.git/commit

]> git.baikalelectronics.ru Git - kernel.git/commit

author	Gabriel Krisman Bertazi <krisman@collabora.com>
	Thu, 30 Apr 2020 20:48:29 +0000 (16:48 -0400)
committer	Mike Snitzer <snitzer@redhat.com>
	Fri, 15 May 2020 14:29:36 +0000 (10:29 -0400)
commit	9b40df900c6e2bdc2af341cce4ae2fd0d39c9b72
tree	a3ecdcc75df1e1a714466302ebb9f4f29d58bfd9	tree \| snapshot
parent	f71e27f1d4bb2551d7c4dc13591d9a7a285473ba	commit \| 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>

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drivers/md/dm-mpath.c		diff \| blob \| history
drivers/md/dm-path-selector.h		diff \| blob \| history
drivers/md/dm-queue-length.c		diff \| blob \| history
drivers/md/dm-service-time.c		diff \| blob \| history
drivers/md/dm.c		diff \| blob \| history
include/linux/device-mapper.h		diff \| blob \| history