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3 Commits

Author SHA1 Message Date
Heinz Mauelshagen
3bd9400307 dm: add missing SPDX-License-Indentifiers 
'GPL-2.0-only' is used instead of 'GPL-2.0' because SPDX has
deprecated its use.

Suggested-by: John Wiele <jwiele@redhat.com>
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
 2023-02-14 14:23:06 -05:00
Mikulas Patocka
5c0de3d72f dm writecache: make writeback pause configurable 
Commit 95b88f4d71cb953e02206be3c757083601391a0f ("dm writecache: pause
writeback if cache full and origin being written directly") introduced a
code that pauses cache flushing if we are issuing writes directly to the
origin.

Improve that initial commit by making the timeout code configurable
(via the option "pause_writeback"). Also change the default from 1s to
3s because it performed better.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
 2021-06-28 16:30:13 -04:00
Mike Snitzer
dc4fa29fe4 dm io tracker: factor out IO tracker 
Allow other code to use dm_io_tracker.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
 2021-06-25 15:28:59 -04:00