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SubjectRe: [f2fs-dev] [PATCH 1/2] f2fs: fix miscounted block limit in f2fs_statfs_project()
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On 2020/1/4 22:20, Chengguang Xu wrote:
> statfs calculates Total/Used/Avail disk space in block unit,
> so we should translate soft/hard prjquota limit to block unit
> as well.
>
> Below testing result shows the block/inode numbers of
> Total/Used/Avail from df command are all correct afer
> applying this patch.
>
> [root@localhost quota-tools]\# ./repquota -P /dev/sdb1
> *** Report for project quotas on device /dev/sdb1
> Block grace time: 7days; Inode grace time: 7days
> Block limits File limits
> Project used soft hard grace used soft hard grace
> -----------------------------------------------------------
> \#0 -- 4 0 0 1 0 0
> \#101 -- 0 0 0 2 0 0
> \#102 -- 0 10240 0 2 10 0
> \#103 -- 0 0 20480 2 0 20
> \#104 -- 0 10240 20480 2 10 20
> \#105 -- 0 20480 10240 2 20 10
>
> [root@localhost sdb1]\# lsattr -p t{1,2,3,4,5}
> 101 ----------------N-- t1/a1
> 102 ----------------N-- t2/a2
> 103 ----------------N-- t3/a3
> 104 ----------------N-- t4/a4
> 105 ----------------N-- t5/a5
>
> [root@localhost sdb1]\# df -hi t{1,2,3,4,5}
> Filesystem Inodes IUsed IFree IUse% Mounted on
> /dev/sdb1 2.4M 21 2.4M 1% /mnt/sdb1
> /dev/sdb1 10 2 8 20% /mnt/sdb1
> /dev/sdb1 20 2 18 10% /mnt/sdb1
> /dev/sdb1 10 2 8 20% /mnt/sdb1
> /dev/sdb1 10 2 8 20% /mnt/sdb1
>
> [root@localhost sdb1]\# df -h t{1,2,3,4,5}
> Filesystem Size Used Avail Use% Mounted on
> /dev/sdb1 10G 489M 9.6G 5% /mnt/sdb1
> /dev/sdb1 10M 0 10M 0% /mnt/sdb1
> /dev/sdb1 20M 0 20M 0% /mnt/sdb1
> /dev/sdb1 10M 0 10M 0% /mnt/sdb1
> /dev/sdb1 10M 0 10M 0% /mnt/sdb1
>
> Fixes: 909110c060f2 ("f2fs: choose hardlimit when softlimit is larger than hardlimit in f2fs_statfs_project()")
> Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>

Reviewed-by: Chao Yu <yuchao0@huawei.com>

Thanks,

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