diff options
Diffstat (limited to 'fs/erofs/sysfs.c')
| -rw-r--r-- | fs/erofs/sysfs.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/fs/erofs/sysfs.c b/fs/erofs/sysfs.c index c1383e508bbe..783bb7b21b51 100644 --- a/fs/erofs/sysfs.c +++ b/fs/erofs/sysfs.c @@ -76,6 +76,8 @@ EROFS_ATTR_FEATURE(device_table); EROFS_ATTR_FEATURE(compr_head2); EROFS_ATTR_FEATURE(sb_chksum); EROFS_ATTR_FEATURE(ztailpacking); +EROFS_ATTR_FEATURE(fragments); +EROFS_ATTR_FEATURE(dedupe); static struct attribute *erofs_feat_attrs[] = { ATTR_LIST(zero_padding), @@ -86,6 +88,8 @@ static struct attribute *erofs_feat_attrs[] = { ATTR_LIST(compr_head2), ATTR_LIST(sb_chksum), ATTR_LIST(ztailpacking), + ATTR_LIST(fragments), + ATTR_LIST(dedupe), NULL, }; ATTRIBUTE_GROUPS(erofs_feat); @@ -201,12 +205,27 @@ static struct kobject erofs_feat = { int erofs_register_sysfs(struct super_block *sb) { struct erofs_sb_info *sbi = EROFS_SB(sb); + char *name; + char *str = NULL; int err; + if (erofs_is_fscache_mode(sb)) { + if (sbi->opt.domain_id) { + str = kasprintf(GFP_KERNEL, "%s,%s", sbi->opt.domain_id, + sbi->opt.fsid); + if (!str) + return -ENOMEM; + name = str; + } else { + name = sbi->opt.fsid; + } + } else { + name = sb->s_id; + } 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); + err = kobject_init_and_add(&sbi->s_kobj, &erofs_sb_ktype, NULL, "%s", name); + kfree(str); if (err) goto put_sb_kobj; return 0; |