[PATCH -next v2] zonefs: add support for FS_IOC_GETFSSYSFSPATH

Liao Chen
2024-08-20T02:28:31Z

FS_IOC_GETFSSYSFSPATH ioctl expects sysfs sub-path of a filesystem, the
format can be "$FSTYP/$SYSFS_IDENTIFIER" under /sys/fs, it can helps to
standardizes exporting sysfs datas across filesystems.

This patch wires up FS_IOC_GETFSSYSFSPATH for zonefs, it will output
"zonefs/<dev>".

Signed-off-by: Liao Chen <liaochen4@huawei.com>
---
fs/zonefs/sysfs.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/zonefs/sysfs.c b/fs/zonefs/sysfs.c
index 8ccb65c2b419..ff9a688f1f9c 100644
--- a/fs/zonefs/sysfs.c
+++ b/fs/zonefs/sysfs.c
@@ -92,6 +92,7 @@ int zonefs_sysfs_register(struct super_block *sb)
struct zonefs_sb_info *sbi = ZONEFS_SB(sb);
int ret;

+ super_set_sysfs_name_id(sb);
init_completion(&sbi->s_kobj_unregister);
ret = kobject_init_and_add(&sbi->s_kobj, &zonefs_sb_ktype,
zonefs_sysfs_root, "%s", sb->s_id);
--
2.34.1