Groups > linux.kernel > #1219935

how to check how much data left to sync to disk at umount?

From	Jeff Chua <jeff.chua.linux@gmail.com>
Newsgroups	linux.kernel
Subject	how to check how much data left to sync to disk at umount?
Date	2015-09-07 07:40 +0200
Message-ID	<q5XjQ-4JR-11@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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When umount a slow device such as an SD card, the command will take a
while to run depending on how much data is left to write to the
device. Is there way to check how much data is remaining waiting to
write to the device?

Thanks,
Jeff.
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how to check how much data left to sync to disk at umount? Jeff Chua <jeff.chua.linux@gmail.com> - 2015-09-07 07:40 +0200
  Re: how to check how much data left to sync to disk at umount? Dave Chinner <david@fromorbit.com> - 2015-09-17 04:00 +0200
    Re: how to check how much data left to sync to disk at umount? Jeff Chua <jeff.chua.linux@gmail.com> - 2015-09-18 13:40 +0200

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