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SubjectRe: [PATCH 0/3] xfs: change available ranges in quota check
On Fri, Jan 27, 2012 at 11:02:11PM +0900, HAYASAKA Mitsuo wrote:
> Hi Christoph,
>
> I'd like to explain the reason why I sent the patch series.
>
> Here is an example where I activated user quota and set each softlimit and
> hardlimit as follows.
>
> | softlimit | hardlimit
> -------------------------------
> block | 1M | 2M
> -------------------------------
> inode | 3 | 5
>
> I succeeded to create files up to the inode hardlimit using touch command.
> The quota information is shown as follows.
>
> # xfs_quota -x -c 'report -u -b -i -h' /mnt/xfs2
> User quota on /mnt/xfs2 (/dev/vdb)
> Blocks Inodes
> User ID Used Soft Hard Warn/Grace Used Soft Hard Warn/Grace
> ---------- --------------------------------- ---------------------------------
> root 0 0 0 00 [------] 3 0 0 00 [------]
> xfstest01 0 1M 2M 00 [------] 5 3 5 00 [6 days]
> ~~~~ ~~
>
> However, I failed to create and add another file due to the quota limitation.
>
> $ touch /mnt/xfs2/dir00/file05
> touch: cannot touch `/mnt/xfs2/dir00/file05': Disk quota exceeded
>
> It seems the inode quota works well.
>
> Regarding the block quota, I got the quota limitation message even if I
> created a 2MB file which is equal to the hardlimit of disk quota.
>
> $ dd if=/dev/zero of=/mnt/xfs2/dir00/file01 bs=2M count=1
> dd: writing `/mnt/xfs2/dir00/file01': Disk quota exceeded
> 1+0 records in ~~~~~~~~~~~~~~~~~~~~~
> 0+0 records out
> 2093056 bytes (2.1 MB) copied, 0.00561516 s, 373 MB/s
>
> I'd like to change the available range of the block quota, and
> also change the inode quota check to the same way as the block check
> introduced in PATCH 2/3 to make it more general.

Makes sense. Can you create an xfstests testcase containing the above
test case?



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