[PATCH 1/1 linux-next] hfs: atomically read inode size

From: Fabian Frederick
Date: Mon Jan 23 2017 - 12:53:09 EST


See i_size_read() comments in include/linux/fs.h

Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
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 a3ec3ae..482081b 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;
--
2.9.3