linux-kernel - [PATCH 3/3] ext4: Add support for FS_IOC

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Date: Thu, 14 Mar 2024 23:53:02 -0400
From: Kent Overstreet <kent.overstreet@...ux.dev>
To: torvalds@...ux-foundation.org
Cc: Kent Overstreet <kent.overstreet@...ux.dev>,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Christian Brauner <brauner@...nel.org>,
	"Theodore Ts'o" <tytso@....edu>,
	Andreas Dilger <adilger.kernel@...ger.ca>,
	linux-ext4@...r.kernel.org
Subject: [PATCH 3/3] ext4: Add support for FS_IOC_GETFSSYSFSPATH

the new sysfs path ioctl lets us get the /sys/fs/ path for a given
filesystem in a fs agnostic way, potentially nudging us towards
standarizing some of our reporting.

Signed-off-by: Kent Overstreet <kent.overstreet@...ux.dev>
Cc: "Theodore Ts'o" <tytso@....edu>
Cc: Andreas Dilger <adilger.kernel@...ger.ca>
Cc: linux-ext4@...r.kernel.org
---
 fs/ext4/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index f5e5a44778cf..cb82b23a4d98 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5346,6 +5346,7 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
 	sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ;
 #endif
 	super_set_uuid(sb, es->s_uuid, sizeof(es->s_uuid));
+	super_set_sysfs_name_bdev(sb);
 
 	INIT_LIST_HEAD(&sbi->s_orphan); /* unlinked but open files */
 	mutex_init(&sbi->s_orphan_lock);
-- 
2.43.0