os-prober/os-prober-btrfs-absolute-subvol.patch
Andrei Borzenkov f8e000ca22 Accepting request 461360 from home:michael-chang:branches:Base:System
- Fix btrfs 1.74 regression in detection btrfs, the do_unmount has to be
  skipped for btrfs as it removes tmp mount point of which btrfs is making
  use (bsc#1024196)
  * modify os-prober-btrfs-absolute-subvol.patch
  * rediff os-prober-btrfs-always-detect-default.patch

OBS-URL: https://build.opensuse.org/request/show/461360
OBS-URL: https://build.opensuse.org/package/show/Base:System/os-prober?expand=0&rev=75
2017-03-02 08:02:03 +00:00

42 lines
1.5 KiB
Diff

Index: os-prober/os-probes/common/50mounted-tests
===================================================================
--- os-prober.orig/os-probes/common/50mounted-tests
+++ os-prober/os-probes/common/50mounted-tests
@@ -72,9 +72,7 @@ mounted=
if [ "$types" = btrfs ]; then
partition="$BTRFSDEV"
-fi
-
-if type grub2-mount >/dev/null 2>&1 && \
+elif type grub2-mount >/dev/null 2>&1 && \
type grub2-probe >/dev/null 2>&1 && \
grub2-mount "$partition" "$tmpmnt" 2>/dev/null; then
mounted=1
@@ -110,7 +108,11 @@ if [ "$mounted" ]; then
fi
done
fi
-do_unmount
+
+if [ "$types" != "btrfs" ]; then
+ do_unmount
+ exit 1
+fi
# all btrfs processing here. Handle both unmounted and
# mounted subvolumes.
@@ -125,9 +127,9 @@ if [ "$types" = btrfs ]; then
exit 1
fi
# besides regular subvols, get ro and snapshot so thet can be excluded
- subvols=$(btrfs subvolume list "$tmpmnt" | cut -d ' ' -f 9)
- rosubvols=$(btrfs subvolume list -r "$tmpmnt" | cut -d ' ' -f 9)
- sssubvols=$(btrfs subvolume list -s "$tmpmnt" | cut -d ' ' -f 14)
+ subvols=$(btrfs subvolume list -a "$tmpmnt" | cut -d ' ' -f 9 | sed -e s!^\<FS_TREE\>/!!)
+ rosubvols=$(btrfs subvolume list -r -a "$tmpmnt" | cut -d ' ' -f 9 | sed -e s!^\<FS_TREE\>/!!)
+ sssubvols=$(btrfs subvolume list -s -a "$tmpmnt" | cut -d ' ' -f 14 | sed -e s!^\<FS_TREE\>/!!)
if ! umount "$tmpmnt"; then
warn "failed to umount btrfs volume on $tmpmnt"
rmdir "$tmpmnt" || true