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    Subject[PATCH AUTOSEL 5.7 036/388] 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 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) ?
    --
    2.25.1
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