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Fix comparison. #742

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Fix comparison. #742

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be863c3
Fix comparison.
Oct 1, 2015
c3e5334
Loose checking for loopdev lookup
Oct 7, 2015
6cef641
Merge branch 'develop' into fix-lookup-loopdev
Oct 1, 2015
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11 changes: 3 additions & 8 deletions dcmgr/lib/dcmgr/helpers/block_device_helper.rb
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Expand Up @@ -49,14 +49,9 @@ def check_fs(device)

# Find first matching loop device path from the result of "losetup -a"
def find_loopdev(path)
stat = File.stat(path)
`losetup -a`.split(/\n/).each {|i|
# /dev/loop0: [0f11]:1179651 (/home/katsuo/dev/wakame-vdc/tmp/instances/i-5....)
if i =~ %r{^(/dev/loop\d+): \[([0-9a-f]+)\]:(\d+) } && $2.hex == stat.dev && $3.to_i == stat.ino
return $1
end
}
nil
loopdev = `losetup -j #{path} | cut -d: -f 1 | head -n 1`
return nil if loopdev.empty?
loopdev
end

# "kpartx -d" gets failed occasionally. so we use "dmsetup" and
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