Commit 0452f083 authored by Tang Yizhou's avatar Tang Yizhou Committed by Jens Axboe
Browse files

blk-wbt: doc: Update the doc of the wbt_lat_usec interface 



The symbol wb_window_usec cannot be found. Update the doc to reflect the
latest implementation, in other words, the debugfs interface
'curr_win_nsec'.

Signed-off-by: default avatarTang Yizhou <yizhou.tang@shopee.com>
Reviewed-by: default avatarJan Kara <jack@suse.cz>
Reviewed-by: default avatarYu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20250727173959.160835-4-yizhou.tang@shopee.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent bccdfcd5

Documentation/ABI/stable/sysfs-block

+1 −1
Original line number Diff line number Diff line
@@ -731,7 +731,7 @@ Contact: linux-block@vger.kernel.org 
Description:

		[RW] If the device is registered for writeback throttling, then

		this file shows the target minimum read latency. If this latency

		is exceeded in a given window of time (see wb_window_usec), then

		is exceeded in a given window of time (see curr_win_nsec), then

		the writeback throttling will start scaling back writes. Writing

		a value of '0' to this file disables the feature. Writing a

		value of '-1' to this file resets the value to the default