On Fri, Feb 23, 2024 at 10:27:54AM -0600, Eric Sandeen wrote: > On 2/23/24 9:06 AM, Christian Brauner wrote: > > On Thu, Feb 22, 2024 at 09:22:52AM -0600, Eric Sandeen wrote: > >> As filesystems are converted to the new mount API, informational messages, > >> errors, and warnings are being routed through infof, errorf, and warnf > >> type functions provided by the mount API, which places these messages in > >> the log buffer associated with the filesystem context rather than > >> in the kernel log / dmesg. > >> > >> However, userspace is not yet extracting these messages, so they are > >> essentially getting lost. mount(8) still refers the user to dmesg(1) > >> on failure. > > > > I mean sure we can do this. But we should try without a Kconfig option > > for this. > > > > But mount(8) and util-linux have been switched to the new mount api in > > v2.39 and libmount already has the code to read and print the error > > messages: > > > > https://github.com/util-linux/util-linux/blob/7ca98ca6aab919f271a15e40276cbb411e62f0e4/libmount/src/hook_mount.c#L68 > > *nod* > > > but it's hidden behind DEBUG. > > Yup. > > > So to me it seems much easier to just make > > util-linux and log those extra messages than start putting them into > > dmesg. Can't we try that first? > > Sounds fine. Since we're trying to get a few more filesystems > converted (hopefully all!) I just wanted to be sure that doing so > doesn't end up losing useful information for the user. I see.