Re: [PATCH 00/11 RESEND] e4defrag: fragmentation score rework and cleanups

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2011/06/16 17:18, Tomasz Chmielewski wrote:
I noticed that when using e4defrag on such a file-based image, while the
guest is running (i.e. the file is in use), all IO from that guest to
the disk (disk is this file) is "frozen".

In other words, as soon as we run e4defrag, any guest writes to that
file will only complete if e4defrag finishes. As the images can be quite
big, it can mean guest IO can be frozen even for hours.


Is it a known/intended limitation (at least, it behaved like this when I
tried e4defrag a few months ago)?

Thank you for the feedback. I will try to reproduce this problem later.

Regards,
Kazuya Mio
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