On 20/05/14 01:19, Roman Mamedov wrote:
On Tue, 20 May 2014 01:04:30 +0800
Anand Jain <anand.jain@xxxxxxxxxx> wrote:
From: Anand Jain <Anand.Jain@xxxxxxxxxx>
generally if you use
echo "test" > /sys/fs/btrfs/<fsid>/label
it would introduce return char at the end and it can not
be part of the label. The correct command is
echo -n "test" > /sys/fs/btrfs/<fsid>/label
This patch will check for this user error
Maybe instead consider checking for one trailing "\n", and silently remove it
if passed, so that both of the mentioned variants of 'echo' can be used?
All other sysfs files do not care if you pass an extra "\n" at the end, e.g.
echo cfq > /sys/block/sda/queue/scheduler
works fine, doesn't require you to use "echo -n cfq".
Thanks Roman.
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