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fs/erofs: Quieten test for filesystem presence

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At present listing a partition produces lots of errors about this
filesystem:

   => part list mmc 4
   cannot find valid erofs superblock
   cannot find valid erofs superblock
   cannot read erofs superblock: -5
   [9 more similar lines]

Use debugging rather than errors when unable to find a signature, as is
done with other filesystems.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Simon Glass 2023-08-13 08:26:40 -06:00 • committed by Heinrich Schuchardt
parent e34efcf51d
commit 97f4bc372f
1 changed files with 2 additions and 2 deletions
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4
fs/erofs/super.c
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@ -68,14 +68,14 @@ int erofs_read_superblock(void)
ret = erofs_blk_read(data, 0, erofs_blknr(sizeof(data)));
if (ret < 0) {
erofs_err("cannot read erofs superblock: %d", ret);
erofs_dbg("cannot read erofs superblock: %d", ret);
return -EIO;
}
dsb = (struct erofs_super_block *)(data + EROFS_SUPER_OFFSET);
ret = -EINVAL;
if (le32_to_cpu(dsb->magic) != EROFS_SUPER_MAGIC_V1) {
erofs_err("cannot find valid erofs superblock");
erofs_dbg("cannot find valid erofs superblock");
return ret;
}