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udev: create /var/volatile/tmp to avoid dead link

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If it's not first boot, /tmp has already been symlinked to /var/volatile/tmp.
But the udev service starts before populate-volatile.sh starts. This leads to
a dead link at /tmp. As a result, trying to create any file under /tmp will
fail.

If a USB is plugged in before the populate-volatile.sh script starts, the
/tmp/.automount-$name file will not be created correctly. As a result, when
the USB is unplugged, the /media/$name directory is not removed.

So we create /var/volatile/tmp directory in the udev script to avoid this dead
link problem.

[YOCTO #3404]

(From OE-Core rev: 2f93c8466ca146c965585ea38210ddb5fb5754bd)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Chen Qi
2013-04-23 12:31:40 +08:00
committed by Richard Purdie
parent 41c9e424a5
commit cab467dfd7
1 changed files with 1 additions and 0 deletions
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meta/recipes-core/udev/udev/init
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@@ -51,6 +51,7 @@ case "$1" in
[ -e /dev/shm ] || mkdir -m 1777 /dev/shm [ -e /dev/shm ] || mkdir -m 1777 /dev/shm
mount -a -t tmpfs 2>/dev/null mount -a -t tmpfs 2>/dev/null
mkdir -p /var/volatile/run mkdir -p /var/volatile/run
mkdir -p /var/volatile/tmp
# cache handling # cache handling
if [ "$DEVCACHE" != "" ]; then if [ "$DEVCACHE" != "" ]; then