From 8d85063adbb1eb3d168e226fef96995391462c20 Mon Sep 17 00:00:00 2001
From: Fabian Frederick <fabf@skynet.be>
Date: Mon, 27 Feb 2017 14:30:19 -0800
Subject: [PATCH] hfs: atomically read inode size
See i_size_read() comments in include/linux/fs.h
Link: http://lkml.kernel.org/r/20170123175245.3272-1-fabf@skynet.be
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
fs/hfs/mdb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/hfs/mdb.c b/fs/hfs/mdb.c
index a3ec3ae7d347..482081bcdf70 100644
--- a/fs/hfs/mdb.c
+++ b/fs/hfs/mdb.c
@@ -38,7 +38,7 @@ static int hfs_get_last_session(struct super_block *sb,
/* default values */
*start = 0;
- *size = sb->s_bdev->bd_inode->i_size >> 9;
+ *size = i_size_read(sb->s_bdev->bd_inode) >> 9;
if (HFS_SB(sb)->session >= 0) {
te.cdte_track = HFS_SB(sb)->session;