On Thu, Jun 05, 2025 at 08:30:53PM +0200, Amir Goldstein wrote: > On Thu, Jun 5, 2025 at 7:51 PM Zorro Lang <zlang@xxxxxxxxxx> wrote: > > > > On Tue, Jun 03, 2025 at 12:07:40PM +0200, Amir Goldstein wrote: > > > libmount >= v1.39 calls several unneeded fsconfig() calls to reconfigure > > > lowerdir/upperdir when user requests only -o remount,ro. > > > > > > Those calls fail because overlayfs does not allow making any config > > > changes with new mount api, besides MS_RDONLY. > > > > > > We workaround this problem with --options-mode ignore. > > > > > > Reported-by: André Almeida <andrealmeid@xxxxxxxxxx> > > > Suggested-by: Karel Zak <kzak@xxxxxxxxxx> > > > Link: https://lore.kernel.org/linux-fsdevel/20250521-ovl_ro-v1-1-2350b1493d94@xxxxxxxxxx/ > > > Link: https://lore.kernel.org/fstests/CAJfpegtJ3SDKmC80B4AfWiC3JmtWdW2+78fRZVtsuhe-wSRPvg@xxxxxxxxxxxxxx/ > > > Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx> > > > --- > > > > > > Changes since v1 [1]: > > > - Change workaround from LIBMOUNT_FORCE_MOUNT2 to --options-mode=ignore > > > > > > [1] https://lore.kernel.org/fstests/20250526143500.1520660-1-amir73il@xxxxxxxxx/ > > > > I'm not sure if I understand clearly. Does overlay list are fixing this issue > > on kernel side, then providing a workaround to fstests to avoid the issue be > > triggered too? > > > > Noone agreed to fix it on the kernel side. > At least not yet. If so, I have two questions:) 1) Will overlay fix it on kernel or mount util side? 2) Do you plan to keep this workaround until the issue be fixed in one day? Then revert this workaround? Thanks, Zorro > > Thanks, > Amir. >
