Messages in this thread | | | Subject | Re: [PATCH] [REGRESSION] ovl: Handle ENOSYS when fileattr support is missing in lower/upper fs | From | Christian Kohlschütter <> | Date | Mon, 18 Jul 2022 22:33:48 +0200 |
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> Am 18.07.2022 um 22:12 schrieb Linus Torvalds <torvalds@linux-foundation.org>: > > On Mon, Jul 18, 2022 at 12:28 PM Miklos Szeredi <miklos@szeredi.hu> wrote: >> >> So this is a bug in the kernel part of fuse, that doesn't catch and >> convert ENOSYS in case of the ioctl request. > > Ahh, even better. No need to worry about external issues. > > Linus
My concern was fixing it in fuse instead of ovl would leave non-fuse filesystems affected (even though I don't have proof that such filesystems exist).
I'm glad you are OK with Miklos' change; the outcome of this discussion certainly adds some nuance to the famous "don't break userspace" / error code thread from 2012.
Best, Christian
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