erofs: use more informative s_id for file-backed mounts

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For file-backed mounts, set sb->s_id to the MAJOR:MINOR of sb->s_dev
(which fstat() will return) so that kernel messages and the sysfs
name are more informative rather than just "erofs: (device erofs): ...".

Reviewed-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

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Gao Xiang 2026-06-30 11:18:13 +08:00

parent dc59e4fea9

commit 1006b2f57f

1 changed files with 4 additions and 13 deletions

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17

fs/erofs/super.c

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