Hi Christian, > Afaict, the "auto" option has either never existent or it was removed before > the new mount api conversion time ago for debugfs. Frankly, I have no idea why I put this 'auto' in my fstab ages ago. But it seems, I am not the only one[1]. [1] https://www.ibm.com/docs/en/linux-on-systems?topic=assumptions-debugfs > diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c > index dc51df0b118d..713b6f76e75d 100644 > --- a/fs/debugfs/inode.c > +++ b/fs/debugfs/inode.c > @@ -107,8 +107,16 @@ static int debugfs_parse_param(struct fs_context *fc, struct fs_parameter *param > int opt; > > opt = fs_parse(fc, debugfs_param_specs, param, &result); > - if (opt < 0) > + if (opt < 0) { > + /* > + * We might like to report bad mount options here; but > + * traditionally debugfs has ignored all mount options > + */ > + if (opt == -ENOPARAM) > + return 0; > + > return opt; > + } > > switch (opt) { > case Opt_uid: > > > Does that fix it for you? Yes, it does, thank you. Reported-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> Tested-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> Happy hacking, Wolfram
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