erofs: add 'fsid' mount option

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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>

...

This commit is contained in:

Jeffle Xu 2022-04-25 20:21:43 +08:00 • committed by Gao Xiang

parent c665b394b9

commit 9c0cc9c729

2 changed files with 32 additions and 3 deletions

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31

fs/erofs/super.c

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4

fs/erofs/sysfs.c

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