[arch-releng] [PATCH 1/1] explicitly detach loop device on umount
Christian Hesse
list at eworm.de
Wed Apr 22 07:10:29 UTC 2015
Gerardo Exequiel Pozzi <vmlinuz386 at gmail.com> on Tue, 2015/04/21 21:05:
> On 04/21/2015 07:43 PM, Christian Hesse wrote:
> > Gerardo Exequiel Pozzi <vmlinuz386 at gmail.com> on Tue, 2015/04/21 19:23:
> >> On 04/21/2015 02:57 AM, Christian Hesse wrote:
> >>> From: Christian Hesse <mail at eworm.de>
> >>>
> >>> I see cases where a stale loop device stays around and fills up my
> >>> partition as image file is still in use and does not get unlinked.
> >>>
> >>> Explicitly detach loop device on umount to fix that.
> >>>
> >>> Signed-off-by: Christian Hesse <mail at eworm.de>
> >>> ---
> >>> archiso/mkarchiso | 2 +-
> >>> configs/releng/build.sh | 2 +-
> >>> 2 files changed, 2 insertions(+), 2 deletions(-)
> >>>
> >>> diff --git a/archiso/mkarchiso b/archiso/mkarchiso
> >>> index 0da02b0..bc82786 100755
> >>> --- a/archiso/mkarchiso
> >>> +++ b/archiso/mkarchiso
> >>> @@ -59,7 +59,7 @@ _mount_airootfs() {
> >>>
> >>> _umount_airootfs() {
> >>> _msg_info "Unmounting '${work_dir}/mnt/airootfs'"
> >>> - umount "${work_dir}/mnt/airootfs"
> >>> + umount -d "${work_dir}/mnt/airootfs"
> >>> _msg_info "Done!"
> >>> rmdir "${work_dir}/mnt/airootfs"
> >>> trap - EXIT HUP INT TERM
> >>> diff --git a/configs/releng/build.sh b/configs/releng/build.sh
> >>> index 5590163..86cdb08 100755
> >>> --- a/configs/releng/build.sh
> >>> +++ b/configs/releng/build.sh
> >>> @@ -190,7 +190,7 @@ make_efiboot() {
> >>> cp ${work_dir}/iso/EFI/shellx64_v2.efi ${work_dir}/efiboot/EFI/
> >>> cp ${work_dir}/iso/EFI/shellx64_v1.efi ${work_dir}/efiboot/EFI/
> >>>
> >>> - umount ${work_dir}/efiboot
> >>> + umount -d ${work_dir}/efiboot
> >>> }
> >>>
> >>> # Build airootfs filesystem image
> >>>
> >>
> >> Hi Chris,
> >
> > Hi Gerardo, hi Pierre,
> >
> > (Pierre, CCing you as you build the official media.)
> >
> >> Weird, I never experienced such thing, maybe some kind of race
> >> condition. I guess should be reported to upstream.
> >
> > I had some problems with systemd 219... It 'magically' umounts loop
> > mounts, which breaks archiso.
>
> Oh systemd-219, I personally reverted back temporary to 218 in my two
> main systemd (I can do directly since I do not use remote journal
> feature (gnutls soname rebuild)).
>
> In any case, at least archiso boots fine with 219.
Looks like systemd 219-6 addresses this issue.
--
main(a){char*c=/* Schoene Gruesse */"B?IJj;MEH"
"CX:;",b;for(a/* Chris get my mail address: */=0;b=c[a++];)
putchar(b-1/(/* gcc -o sig sig.c && ./sig */b/42*2-3)*42);}
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