Hello, While I'm examining udba=notify option, I encountered a behavior that I didn't expect. I have two directories (/tmp/tmpfs0 and /tmp/tmpfs1) which are branches of /tmp/aufs0 as well asl /tmp/aufs1... which means two different /tmp/aufs0 and /tmp/aufs1 are sharing same branches. However if I add a same named file to /tmp/tmpfs1 and then /tmp/tmpfs0, only /tmp/aufs0 shows updated file from /tmp/tmpfs0 while /tmp/aufs1 still shows file from /tmp/tmpfs1
It seems to me a bug. Can you have a look or give me sort of hint that I can tackle down this bug? Please see attached simplified test script and test result below for detail. I'm using aufs 2-standalone.tree-32-20100621 but the latest version showed same result. Thanks, Joonwoo --- #!/bin/sh -v mkdir -p /tmp/tmpfs0 /tmp/tmpfs1 /tmp/aufs0 /tmp/aufs1 umount aufs0 aufs1 tmpfs0 tmpfs1 mount -t tmpfs tmpfs0 /tmp/tmpfs0 mount -t tmpfs tmpfs1 /tmp/tmpfs1 mount -t aufs aufs -o dirs=/tmp/tmpfs0:/tmp/tmpfs1,udba=notify /tmp/aufs0 mount -t aufs aufs -o dirs=/tmp/tmpfs0:/tmp/tmpfs1,udba=notify /tmp/aufs1 sleep 1 echo 'tmpfs1' > /tmp/tmpfs1/text cat /tmp/aufs0/text tmpfs1 <----------- CORRECT cat /tmp/aufs1/text tmpfs1 <----------- CORRECT echo 'tmpfs0' > /tmp/tmpfs0/text cat /tmp/aufs0/text tmpfs0 <----------- CORRECT cat /tmp/aufs1/text tmpfs1 <----------- INCORRECT, SHOULDN'T BE "tmpfs0"? # ----
notify2.sh
Description: Bourne shell script
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