linux-kernel - [f2fs-dev][PATCH 2/2] f2fs: code cleanup for f2fs_statfs

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Date:   Sat,  4 Jan 2020 22:20:04 +0800
From:   Chengguang Xu <cgxu519@...ernel.net>
To:     jaegeuk@...nel.org, chao@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Chengguang Xu <cgxu519@...ernel.net>
Subject: [f2fs-dev][PATCH 2/2] f2fs: code cleanup for f2fs_statfs_project()

Calling min_not_zero() to simplify complicated prjquota
limit comparison in f2fs_statfs_project().

Signed-off-by: Chengguang Xu <cgxu519@...ernel.net>
---
 fs/f2fs/super.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 78efd0e76174..ac01c3f8863d 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1213,12 +1213,8 @@ static int f2fs_statfs_project(struct super_block *sb,
 		return PTR_ERR(dquot);
 	spin_lock(&dquot->dq_dqb_lock);
 
-	limit = 0;
-	if (dquot->dq_dqb.dqb_bsoftlimit)
-		limit = dquot->dq_dqb.dqb_bsoftlimit;
-	if (dquot->dq_dqb.dqb_bhardlimit &&
-			(!limit || dquot->dq_dqb.dqb_bhardlimit < limit))
-		limit = dquot->dq_dqb.dqb_bhardlimit;
+	limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit,
+					dquot->dq_dqb.dqb_bhardlimit);
 	if (limit)
 		limit >>= sb->s_blocksize_bits;
 
@@ -1230,12 +1226,8 @@ static int f2fs_statfs_project(struct super_block *sb,
 			 (buf->f_blocks - curblock) : 0;
 	}
 
-	limit = 0;
-	if (dquot->dq_dqb.dqb_isoftlimit)
-		limit = dquot->dq_dqb.dqb_isoftlimit;
-	if (dquot->dq_dqb.dqb_ihardlimit &&
-			(!limit || dquot->dq_dqb.dqb_ihardlimit < limit))
-		limit = dquot->dq_dqb.dqb_ihardlimit;
+	limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit,
+					dquot->dq_dqb.dqb_ihardlimit);
 
 	if (limit && buf->f_files > limit) {
 		buf->f_files = limit;
-- 
2.21.1