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Message-ID: <20110226162826.GC2924@thunk.org> Date: Sat, 26 Feb 2011 11:28:26 -0500 From: Ted Ts'o <tytso@....edu> To: Lukas Czerner <lczerner@...hat.com> Cc: linux-ext4@...r.kernel.org, sandeen@...hat.com Subject: Re: [PATCH 1/4] e2image: Add support for qcow2 format On Fri, Feb 25, 2011 at 01:49:30PM +0100, Lukas Czerner wrote: > This commit adds support for exporting filesystem into QCOW2 image > format. Like sparse format this saves space, by writing only necessary > (metadata blocks) into image. Unlike sparse image, QCOW2 image is NOT > sparse, hence does not change its size by copying with not-sparse-aware > tools. > > New options '-Q' has been added to tell the e2image to use QCOW2 as an > output image format. QCOW2 supports encryption and compression, however > e2image so far does no support such features, however you can still > scramble filenames with '-s' option. > > Signed-off-by: Lukas Czerner <lczerner@...hat.com> I noticed that the qcow2 functions have a qcow2_ prefix and aren't prefixed with ext2_. That's a namespace leakage, although I understand why adding ext2_ to functions that really have nothing to do with ext2_ might not make sense. What this *does* make me wonder though, is whether or not we should split off qcow2 into its own separate library... - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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