linux-kernel - [PATCH v3 2/2] scsi: Add comment of target_destroy in scsi_host

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Message-ID: <20231018113746.1940197-3-haowenchao2@huawei.com>
Date:   Wed, 18 Oct 2023 19:37:46 +0800
From:   Wenchao Hao <haowenchao2@...wei.com>
To:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        Bart Van Assche <bvanassche@....org>
CC:     "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <louhongxiang@...wei.com>, Wenchao Hao <haowenchao2@...wei.com>
Subject: [PATCH v3 2/2] scsi: Add comment of target_destroy in scsi_host_template

Add comment to tell callback function target_destroy of
scsi_host_template must not sleep.

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..2c61dd30d766 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 is called with the host lock held and hence
+	 * must not sleep.
+	 *
 	 * Status: OPTIONAL
 	 */
 	void (* target_destroy)(struct scsi_target *);
-- 
2.32.0