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Message-ID: <20231016020847.1270258-3-haowenchao2@huawei.com>
Date: Mon, 16 Oct 2023 10:08:47 +0800
From: Wenchao Hao <haowenchao2@...wei.com>
To: "James E . J . Bottomley" <jejb@...ux.ibm.com>,
"Martin K . Petersen" <martin.petersen@...cle.com>,
<linux-scsi@...r.kernel.org>
CC: <linux-kernel@...r.kernel.org>, <louhongxiang@...wei.com>,
Wenchao Hao <haowenchao2@...wei.com>
Subject: [PATCH v2 2/2] scsi: Add comment of target_destroy in scsi_host_template
Add comment to tell callback function target_destroy of
scsi_host_template is called in atomic context.
Signed-off-by: Wenchao Hao <haowenchao2@...wei.com>
---
include/scsi/scsi_host.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 49f768d0ff37..2e8d77441064 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -245,6 +245,9 @@ struct scsi_host_template {
* midlayer calls this point so that the driver may deallocate
* and terminate any references to the target.
*
+ * Note: this callback in called with spin_lock shost->host_lock held,
+ * so donot call functions might cause schedule
+ *
* Status: OPTIONAL
*/
void (* target_destroy)(struct scsi_target *);
--
2.32.0
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