ocfs2: use i_size_read() to access i_size

Though ocfs2 uses inode->i_mutex to protect i_size, there are both
i_size_read/write() and direct accesses.  Clean up all direct access to
eliminate confusion.

Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Jie Liu <jeff.liu@oracle.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index 332a281f217e..aaa50611ec66 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -234,7 +234,7 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type,
                 len = sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE - offset;
         }
 
-        if (gqinode->i_size < off + len) {
+        if (i_size_read(gqinode) < off + len) {
                 loff_t rounded_end =
                                 ocfs2_align_bytes_to_blocks(sb, off + len);
 
@@ -778,8 +778,8 @@ static int ocfs2_acquire_dquot(struct dquot *dquot)
                  */
                 WARN_ON(journal_current_handle());
                 status = ocfs2_extend_no_holes(gqinode, NULL,
-                        gqinode->i_size + (need_alloc << sb->s_blocksize_bits),
-                        gqinode->i_size);
+                        i_size_read(gqinode) + (need_alloc << sb->s_blocksize_bits),
+                        i_size_read(gqinode));
                 if (status < 0)
                         goto out_dq;
         }