在 2025/07/28 1:39, Tang Yizhou 写道:
From: Tang Yizhou <yizhou.tang@xxxxxxxxxx> 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: Tang Yizhou <yizhou.tang@xxxxxxxxxx> --- Documentation/ABI/stable/sysfs-block | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Yu Kuai <yukuai3@xxxxxxxxxx> Thanks
diff --git a/Documentation/ABI/stable/sysfs-block b/Documentation/ABI/stable/sysfs-block index 4ba771b56b3b..a3cf841ebdff 100644 --- a/Documentation/ABI/stable/sysfs-block +++ b/Documentation/ABI/stable/sysfs-block @@ -731,7 +731,7 @@ Contact: linux-block@xxxxxxxxxxxxxxx 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
