scsi: ufs: Switch WriteBooster missing free space message as warn_once

Browse source

Once the UFS WriteBooster fails to allocate memory, the situation will
stay until fstrim or equivalent is ran.

Mark is as a warning since it impacts the performance but only print it
once for the lifetime of the kernel since it's not fatal.

Otherwise it will be printed each time the device is resumed:

[   31.666880] ufshcd-qcom 1d84000.ufshc: dCurWBBuf: 0 WB disabled until free-space is available
[   52.655594] ufshcd-qcom 1d84000.ufshc: dCurWBBuf: 0 WB disabled until free-space is available
[   62.890469] ufshcd-qcom 1d84000.ufshc: dCurWBBuf: 0 WB disabled until free-space is available
...

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/20260618-topic-ufs-wb-empty-warn-v1-1-ec744a153e0e@linaro.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

...

This commit is contained in:

Neil Armstrong 2026-06-18 09:52:09 +02:00 • committed by Martin K. Petersen

parent 35457edc5b

commit c6cee609f6

1 changed files with 2 additions and 2 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

4

drivers/ufs/core/ufshcd.c

View file