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f2fs: report delalloc reserve as non-free in statfs for project quota 

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 f06925c739 ("ext4: report delalloc
reserve as non-free in statfs for project quota").

Fixes: ddc34e328d ("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>
This commit is contained in:
Konstantin Khlebnikov 2020-05-11 09:15:18 +03:00 committed by Jaegeuk Kim
parent 48abe91ac1
commit baaa7ebf25
1 changed files with 2 additions and 1 deletions
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3
fs/f2fs/super.c
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@ -1283,7 +1283,8 @@ 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) ?