[PATCH v2 3/5] scsi: ufs: use WQ_HIGHPRI for gating work

Jaegeuk Kim
2020-10-20T19:53:10Z

From: Jaegeuk Kim <jaegeuk@google.com>

Must have WQ_MEM_RECLAIM
``WQ_MEM_RECLAIM``
All wq which might be used in the memory reclaim paths **MUST**
have this flag set. The wq is guaranteed to have at least one
execution context regardless of memory pressure.

Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Avri Altman <avri.altman@wdc.com>
Cc: Can Guo <cang@codeaurora.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
---
drivers/scsi/ufs/ufshcd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index feb10ebf7a35..0858c0b55eac 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -1867,7 +1867,7 @@ static void ufshcd_init_clk_gating(struct ufs_hba *hba)
snprintf(wq_name, ARRAY_SIZE(wq_name), "ufs_clk_gating_%d",
hba->host->host_no);
hba->clk_gating.clk_gating_workq = alloc_ordered_workqueue(wq_name,
- WQ_MEM_RECLAIM);
+ WQ_MEM_RECLAIM | WQ_HIGHPRI);

hba->clk_gating.is_enabled = true;

--
2.29.0.rc1.297.gfa9743e501-goog