Re: [LTP] [PATCH] fuse: when copying a folio delay the mark dirty until the end

Cyril Hrubis
2026-03-26T15:05:10Z

Hi!
> commit: 47f8dde97f35e32a1003d54e387273bcdf014ddf ("[PATCH] fuse: when copying a folio delay the mark dirty until the end")
> url: https://github.com/intel-lab-lkp/linux/commits/Horst-Birthelmer/fuse-when-copying-a-folio-delay-the-mark-dirty-until-the-end/20260316-234418
> patch link: https://lore.kernel.org/all/20260316-mark-dirty-per-folio-v1-1-8dc39c94b7ce@ddn.com/
> patch subject: [PATCH] fuse: when copying a folio delay the mark dirty until the end
>
> in testcase: ltp
> version:
> with following parameters:
>
> disk: 1HDD
> fs: ext4
> test: fs-03

Looks like the test that has failed was fs_fill that runs several
threads that attempt to fill the filesystem (until they get ENOSCP) then
delete the files and try again. And apparently we managed to get EIO
when file has been closed() by one of the threads after a few minutes of
the runtime on NTFS mounted over FUSE.

--
Cyril Hrubis
chrubis@suse.cz