linux-kernel - [PATCH] xfs: correct statx's result

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Message-ID: <1546854790-5233-1-git-send-email-suyj.fnst@cn.fujitsu.com>
Date:   Mon, 7 Jan 2019 04:53:10 -0500
From:   Su Yanjun <suyj.fnst@...fujitsu.com>
To:     <darrick.wong@...cle.com>
CC:     <linux-xfs@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <suyj.fnst@...fujitsu.com>, <suyanjun218@...il.com>
Subject: [PATCH] xfs: correct statx's result_mask value

For statx syscall, xfs return the wrong result_mask.

Signed-off-by: Su Yanjun <suyj.fnst@...fujitsu.com>
---
 fs/xfs/xfs_iops.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index f48ffd7..3811457 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -521,6 +521,9 @@ xfs_vn_getattr(
 			stat->btime.tv_nsec = ip->i_d.di_crtime.t_nsec;
 		}
 	}
+	
+	/* Only return mask that we care */
+	stat->result_mask &= request_mask;
 
 	if (ip->i_d.di_flags & XFS_DIFLAG_IMMUTABLE)
 		stat->attributes |= STATX_ATTR_IMMUTABLE;
-- 
2.7.4