From: Chao Yu <chao2.yu@samsung.com>
To: 'Brian Chadwick' <brianchad@westnet.com.au>
Cc: linux-f2fs-devel@lists.sourceforge.net
Subject: Re: fstrim fails on F2FS device
Date: Sat, 28 Jun 2014 16:36:34 +0800 [thread overview]
Message-ID: <004e01cf92ac$2a76e960$7f64bc20$@samsung.com> (raw)
In-Reply-To: <53AE641A.8050308@westnet.com.au>
Hi Brian,
> -----Original Message-----
> From: Brian Chadwick [mailto:brianchad@westnet.com.au]
> Sent: Saturday, June 28, 2014 2:44 PM
> To: linux-f2fs-devel@lists.sourceforge.net
> Subject: [f2fs-dev] fstrim fails on F2FS device
>
> Hi there
>
> running fstrim on a F2FS partition gives the following output:
>
> fstrim: /home: discard operation not supported.
>
> kernel 3.16.0-rc2
>
> Is this normal?
Now f2fs has not yet supported batch mode discard through ioctl as the way
fstrim used.
Still you could use real-time mode discard by adding a '-o discard' option when
mount, meanwhile /sys/fs/f2fs/<devname>/max_small_discards could be used for
controlling the real-time mode.
Thanks
Yu
>
> Cheers
>
> Brian
>
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------------------------------------------------------------------------------
Open source business process management suite built on Java and Eclipse
Turn processes into business applications with Bonita BPM Community Edition
Quickly connect people, data, and systems into organized workflows
Winner of BOSSIE, CODIE, OW2 and Gartner awards
http://p.sf.net/sfu/Bonitasoft
next prev parent reply other threads:[~2014-06-28 8:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-28 6:43 fstrim fails on F2FS device Brian Chadwick
2014-06-28 8:36 ` Chao Yu [this message]
2014-06-28 12:03 ` Jaegeuk Kim
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