On 11/06/2010 10:46 PM, Andrey Borzenkov wrote:
It is not clearly documented, but apparently fsck
(or, probably, getmntent) is using backslash as
escape character.
Label containing slash is converted to \x2f but '\'
is eaten by fsck later. Escape '\' before writing
into fstab.
v2:
- fix sed expression
- use printf instead of echo because echo eats '\' as well
Signed-off-by: Andrey Borzenkov<arvidjaar@xxxxxxxxx>
---
modules.d/95rootfs-block/mount-root.sh | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/modules.d/95rootfs-block/mount-root.sh b/modules.d/95rootfs-block/mount-root.sh
index ff64209..9065bed 100755
--- a/modules.d/95rootfs-block/mount-root.sh
+++ b/modules.d/95rootfs-block/mount-root.sh
@@ -106,7 +106,9 @@ if [ -n "$root" -a -z "${root%%block:*}" ]; then
done
fi
- echo ${root#block:} "$NEWROOT" "$rootfs" ${rflags},${rootopts} 1 1> /etc/fstab
+ # backslashes are treated as escape character in fstab
+ esc_root=$(echo ${root#block:} | sed 's,\\,\\\\,g')
+ printf "%s $NEWROOT $rootfs ${rflags},${rootopts} 1 1\n" "$esc_root"> /etc/fstab
if [ -z "$fastboot" -a "$READONLY" != "yes" ]; then
info "Checking filesystems"
pushed
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