Re: [Jfs-discussion] [PATCH] fs/jfs: TRIM support for JFSFilesystem

[Tino Reichardt]

* Tino Reichardt <list-linux-fsdevel@xxxxxxxxx> wrote:
> * Dave Kleikamp <dave.kleikamp@xxxxxxxxxx> wrote:
> > On 07/28/2012 06:08 AM, Tino Reichardt wrote:
> > > * Tino Reichardt <list-linux-fsdevel@xxxxxxxxx> wrote:
> > >> > This patch adds support for the two linux interfaces of the discard/TRIM
> > >> > command for SSD devices and sparse/thinly-provisioned LUNs.
> > > Fixed a problem when setting minlen in jfs_ioc_trim().

Oops, setting minlen in jfs_ioc_trim() was again wrong :/

I changed this
if (minlen < 0)
	minlen = 1;

to this:
if (minlen <= 0)
	minlen = 1;

This is important, since fstrim() sets it to zero.


Fully working patch is located here:
http://www.mcmilk.de/projects/jfs-trim/linux-tree/jfs-trim-2012-08-01_v2.diff

Signed-off-by: Tino Reichardt <list-jfs@xxxxxxxxx>

-- 
regards, TR
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