From: Fabian Frederick <fabf@skynet.be>
Date: Mon, 27 Feb 2017 22:27:22 +0000 (-0800)
Subject: fs/reiserfs: atomically read inode size
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b899ba7d8c71e2e1c2be281222877c7a1c2ba60d;p=openwrt%2Fstaging%2Fblogic.git

fs/reiserfs: atomically read inode size

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

Link: http://lkml.kernel.org/r/20170123174701.30394-1-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>
---

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index e314cb30a181..feabcde0290d 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1166,7 +1166,7 @@ static int reiserfs_parse_options(struct super_block *s,
 			if (!strcmp(arg, "auto")) {
 				/* From JFS code, to auto-get the size. */
 				*blocks =
-				    s->s_bdev->bd_inode->i_size >> s->
+				    i_size_read(s->s_bdev->bd_inode) >> s->
 				    s_blocksize_bits;
 			} else {
 				*blocks = simple_strtoul(arg, &p, 0);