[oe-commits] [openembedded-core] 16/26: udev-extraconf: skip mounting partitions already mounted by systemd

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rpurdie pushed a commit to branch master
in repository openembedded-core.

commit 4cf076879ac038ebf76679a19249ea6363e63e0f
Author: Hector Palacios <hector.palacios at digi.com>
AuthorDate: Wed Sep 18 10:26:55 2019 +0200

    udev-extraconf: skip mounting partitions already mounted by systemd
    
    For some devices, udev may sometimes trigger twice the 'add' rule during
    boot. Calling the mount.sh script twice will eventually fail for
    already mounted partitions, but in that case, the script tries to remove
    the created mountpoint, when it shouldn't.
    This has been observed on USB sticks connected to a USB hub and may
    result in devices not being mounted if plugged-in before booting.
    
    This patch checks for already mounted partitions earlier (before creating
    the mount point) and returns with no actions.
    
    Signed-off-by: Hector Palacios <hector.palacios at digi.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/recipes-core/udev/udev-extraconf/mount.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/meta/recipes-core/udev/udev-extraconf/mount.sh b/meta/recipes-core/udev/udev-extraconf/mount.sh
index 79eb014..b237318 100644
--- a/meta/recipes-core/udev/udev-extraconf/mount.sh
+++ b/meta/recipes-core/udev/udev-extraconf/mount.sh
@@ -38,6 +38,12 @@ done
 automount_systemd() {
     name="`basename "$DEVNAME"`"
 
+    # Skip already mounted partitions
+    if [ -f /run/systemd/transient/run-media-$name.mount ]; then
+        logger "mount.sh/automount" "/run/media/$name already mounted"
+        return
+    fi
+
     # Skip the partition which are already in /etc/fstab
     grep "^[[:space:]]*$DEVNAME" /etc/fstab && return
     for n in LABEL PARTLABEL UUID PARTUUID; do

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