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* [f2fs-dev] [PATCH] f2fs: report delalloc reserve as non-free in statfs for project quota
@ 2020-05-11  6:15 Konstantin Khlebnikov
  2020-05-12  1:50 ` Chao Yu
  0 siblings, 1 reply; 2+ messages in thread
From: Konstantin Khlebnikov @ 2020-05-11  6:15 UTC (permalink / raw)
  To: linux-kernel, linux-f2fs-devel, Jaegeuk Kim, Chao Yu

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").

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Fixes: ddc34e328d06 ("f2fs: introduce f2fs_statfs_project")
---
 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 f2dfc21c6abb..c5e8cb31626f 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1292,7 +1292,8 @@ 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) ?



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^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [f2fs-dev] [PATCH] f2fs: report delalloc reserve as non-free in statfs for project quota
  2020-05-11  6:15 [f2fs-dev] [PATCH] f2fs: report delalloc reserve as non-free in statfs for project quota Konstantin Khlebnikov
@ 2020-05-12  1:50 ` Chao Yu
  0 siblings, 0 replies; 2+ messages in thread
From: Chao Yu @ 2020-05-12  1:50 UTC (permalink / raw)
  To: Konstantin Khlebnikov, linux-kernel, linux-f2fs-devel,
	Jaegeuk Kim, Chao Yu

On 2020/5/11 14:15, Konstantin Khlebnikov wrote:
> 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").
> 
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
> Fixes: ddc34e328d06 ("f2fs: introduce f2fs_statfs_project")

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

Thanks,


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^ permalink raw reply	[flat|nested] 2+ messages in thread

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2020-05-11  6:15 [f2fs-dev] [PATCH] f2fs: report delalloc reserve as non-free in statfs for project quota Konstantin Khlebnikov
2020-05-12  1:50 ` Chao Yu

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