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devmapper: use RAMInBytes() rather than FromHumanSize()

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Device Mapper needs device sizes in binary (1024) multiples.  Otherwise
kernel checks can find that the specified thin-pool device sizes aren't
a multiple of the specified thin-pool blocksize.

The name for "RAMInBytes" is likely too narrow given the new consumers
but... Also add "tebibyte" support to RAMInBytes.

Docker-DCO-1.1-Signed-off-by: Mike Snitzer <snitzer@redhat.com> (github: snitm)
This commit is contained in:
Mike Snitzer 2014-06-23 15:36:08 -04:00
parent 1b4ca55744
commit b5dee24bb6
2 changed files with 8 additions and 3 deletions
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3
units/size_test.go
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@ -64,7 +64,10 @@ func TestRAMInBytes(t *testing.T) {
assertRAMInBytes(t, "32kb", false, 32*1024)
assertRAMInBytes(t, "32Kb", false, 32*1024)
assertRAMInBytes(t, "32Mb", false, 32*1024*1024)
assertRAMInBytes(t, "32MB", false, 32*1024*1024)
assertRAMInBytes(t, "32Gb", false, 32*1024*1024*1024)
assertRAMInBytes(t, "32G", false, 32*1024*1024*1024)
assertRAMInBytes(t, "32Tb", false, 32*1024*1024*1024*1024)
assertRAMInBytes(t, "", true, -1)
assertRAMInBytes(t, "hello", true, -1)