Bruce Korb wrote: > I wouldn't know. I use it myself a bit and I am now playing with > Lustre fs code where they get it wrong because it is inconvenient to > get it right. After seeing that, I thought I'd suggest it. > ... > P.S. this check is really for any version below 2.6.27: > > - case $LINUXRELEASE in > - # ext4 was in 2.6.22-2.6.26 but not stable enough to use > - 2.6.2[0-9]*) enable_ext4='no' ;; > - *) ..... ;; > > and might have been done correctly with a version compare operator.
Note that on Debian systems and derivatives you can use dpkg with the --compare-versions option to perform this test. $ set -x $ dpkg --compare-versions 2.6.27 le $(uname -r) ; echo $? ++ uname -r + dpkg --compare-versions 2.6.27 le 2.6.39-2-amd64 + echo 0 0 dpkg --compare-versions 2.6.27 le $(uname -r) || enable_ext4='no' I seem to recall a similar command on Red Hat based systems but off the top of my head the details escape me. Bob
