In shared domain mount procedure, add 'domain_id' prefix to register
sysfs entry. Thus we could distinguish mounts that don't use shared
domain.
Signed-off-by: Jia Zhu <zhujia.zj@xxxxxxxxxxxxx>
---
fs/erofs/sysfs.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/fs/erofs/sysfs.c b/fs/erofs/sysfs.c
index c1383e508bbe..c0031d7bd817 100644
--- a/fs/erofs/sysfs.c
+++ b/fs/erofs/sysfs.c
@@ -201,12 +201,21 @@ static struct kobject erofs_feat = {
int erofs_register_sysfs(struct super_block *sb)
{
struct erofs_sb_info *sbi = EROFS_SB(sb);
+ char *name = NULL;
int err;
+ if (erofs_is_fscache_mode(sb)) {
+ name = kasprintf(GFP_KERNEL, "%s%s%s", sbi->opt.domain_id ?
+ sbi->opt.domain_id : "", sbi->opt.domain_id ? "," : "",
+ sbi->opt.fsid);
+ if (!name)
+ return -ENOMEM;
+ }
sbi->s_kobj.kset = &erofs_root;
init_completion(&sbi->s_kobj_unregister);
err = kobject_init_and_add(&sbi->s_kobj, &erofs_sb_ktype, NULL, "%s",
- erofs_is_fscache_mode(sb) ? sbi->opt.fsid : sb->s_id);
+ name ? name : sb->s_id);
+ kfree(name);
if (err)
goto put_sb_kobj;
return 0;
--
2.20.1
