This is a note to let you know that I've just added the patch titled
f2fs: fix miscounted block limit in f2fs_statfs_project()
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
f2fs-fix-miscounted-block-limit-in-f2fs_statfs_project.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From acdf2172172a511f97fa21ed0ee7609a6d3b3a07 Mon Sep 17 00:00:00 2001
From: Chengguang Xu <cgxu519@xxxxxxxxxxxx>
Date: Sat, 4 Jan 2020 22:20:03 +0800
Subject: f2fs: fix miscounted block limit in f2fs_statfs_project()
From: Chengguang Xu <cgxu519@xxxxxxxxxxxx>
commit acdf2172172a511f97fa21ed0ee7609a6d3b3a07 upstream.
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
---
fs/f2fs/super.c | 2 ++
1 file changed, 2 insertions(+)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1219,6 +1219,8 @@ static int f2fs_statfs_project(struct su
if (dquot->dq_dqb.dqb_bhardlimit &&
(!limit || dquot->dq_dqb.dqb_bhardlimit < limit))
limit = dquot->dq_dqb.dqb_bhardlimit;
+ if (limit)
+ limit >>= sb->s_blocksize_bits;
if (limit && buf->f_blocks > limit) {
curblock = dquot->dq_dqb.dqb_curspace >> sb->s_blocksize_bits;
Patches currently in stable-queue which might be from cgxu519@xxxxxxxxxxxx are
queue-5.4/f2fs-code-cleanup-for-f2fs_statfs_project.patch
queue-5.4/f2fs-choose-hardlimit-when-softlimit-is-larger-than-hardlimit-in-f2fs_statfs_project.patch
queue-5.4/f2fs-fix-miscounted-block-limit-in-f2fs_statfs_project.patch
