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add comment for why the /etc/mtab needs special case

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.8@16278 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
daniceexi 2013-05-14 02:20:47 +00:00
parent aca25db4c9
commit 79a7d3e4cc
1 changed files with 8 additions and 2 deletions
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10
xCAT-server/lib/xcat/plugins/statelite.pm
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@ -318,9 +318,12 @@ sub process_request {
}
} else {
if ($tmpc[0] =~ m/link/) {
# The /etc/mtab is a specific file which can only be handled by link option.
# It need to be existed in rootimage and during the runing of statelite,
# and after running of statelite, it need to be linked to /proc/mount
if ($tmpc[1] != "/etc/mtab") {
$callback->({error=>[qq{Based on the option of $f, $fc should not use "link"-based options}], errorcode=>[1]});
return;
$callback->({error=>[qq{Based on the option of $f, $fc should not use "link"-based options}], errorcode=>[1]});
return;
}
}
}
@ -769,6 +772,9 @@ sub liteItem {
# 1. copy original contents if they exist to .default directory
# 2. remove file
# 3. create symbolic link to .statelite
# the /etc/mtab should be handled every time even the parent /etc/ has been handled.
# if adding /etc/ to litefile, only tmpfs should be used.
if ($entry[1] == "/etc/mtab") {
$isChild = 0;
}