From: Christian Brauner <brauner@kernel.org>
Date: Tue, 24 Oct 2023 13:01:16 +0000 (+0200)
Subject: blkdev: comment fs_holder_ops
X-Git-Tag: v6.8-rc1~214^2~17
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e419cf3ebaee694a826ddcfb350f1b1ebaf1e599;p=thirdparty%2Flinux.git

blkdev: comment fs_holder_ops

Add a comment to @fs_holder_ops that @holder must point to a superblock.

Link: https://lore.kernel.org/r/20231024-vfs-super-freeze-v2-10-599c19f4faac@kernel.org
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
---

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 1bc776335ff89..abf71cce785c2 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1480,6 +1480,11 @@ struct blk_holder_ops {
 	int (*thaw)(struct block_device *bdev);
 };
 
+/*
+ * For filesystems using @fs_holder_ops, the @holder argument passed to
+ * helpers used to open and claim block devices via
+ * bd_prepare_to_claim() must point to a superblock.
+ */
 extern const struct blk_holder_ops fs_holder_ops;
 
 /*