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| author | Jeffle Xu <jefflexu@linux.alibaba.com> | 2022-04-25 14:21:43 +0200 |
|---|---|---|
| committer | Gao Xiang <hsiangkao@linux.alibaba.com> | 2022-05-17 18:11:21 +0200 |
| commit | 9c0cc9c729657446ed001a99488a9d82f5124af4 (patch) | |
| tree | e93c48b169b8a2eed5969a3956e5461e80f17780 /fs/erofs/sysfs.c | |
| parent | erofs: implement fscache-based data readahead (diff) | |
| download | linux-9c0cc9c729657446ed001a99488a9d82f5124af4.tar.xz linux-9c0cc9c729657446ed001a99488a9d82f5124af4.zip | |
erofs: add 'fsid' mount option
Introduce 'fsid' mount option to enable on-demand read sementics, in
which case, erofs will be mounted from data blobs. Users could specify
the name of primary data blob by this mount option.
Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220425122143.56815-22-jefflexu@linux.alibaba.com
Acked-by: Chao Yu <chao@kernel.org>
Tested-by: Zichen Tian <tianzichen@kuaishou.com>
Tested-by: Jia Zhu <zhujia.zj@bytedance.com>
Tested-by: Yan Song <yansong.ys@antgroup.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Diffstat (limited to 'fs/erofs/sysfs.c')
| -rw-r--r-- | fs/erofs/sysfs.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/erofs/sysfs.c b/fs/erofs/sysfs.c index f3babf1e6608..c1383e508bbe 100644 --- a/fs/erofs/sysfs.c +++ b/fs/erofs/sysfs.c @@ -205,8 +205,8 @@ int erofs_register_sysfs(struct super_block *sb) 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", sb->s_id); + err = kobject_init_and_add(&sbi->s_kobj, &erofs_sb_ktype, NULL, "%s", + erofs_is_fscache_mode(sb) ? sbi->opt.fsid : sb->s_id); if (err) goto put_sb_kobj; return 0; |