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Subject[PATCH 5.7 035/477] f2fs: report delalloc reserve as non-free in statfs for project quota
Date
From: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>

[ Upstream commit baaa7ebf25c78c5cb712fac16b7f549100beddd3 ]

This reserved space isn't committed yet but cannot be used for
allocations. For userspace it has no difference from used space.

See the same fix in ext4 commit f06925c73942 ("ext4: report delalloc
reserve as non-free in statfs for project quota").

Fixes: ddc34e328d06 ("f2fs: introduce f2fs_statfs_project")
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/f2fs/super.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 56ccb8323e211..0c88090077fc1 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1303,7 +1303,8 @@ static int f2fs_statfs_project(struct super_block *sb,
limit >>= sb->s_blocksize_bits;

if (limit && buf->f_blocks > limit) {
- curblock = dquot->dq_dqb.dqb_curspace >> sb->s_blocksize_bits;
+ curblock = (dquot->dq_dqb.dqb_curspace +
+ dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits;
buf->f_blocks = limit;
buf->f_bfree = buf->f_bavail =
(buf->f_blocks > curblock) ?
--
2.25.1


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