ext4: use i_size_read in ext4_unaligned_aio()
commit 6e6358fc3c3c862bfe9a5bc029d3f8ce43dc9765 upstream.
We haven't taken i_mutex yet, so we need to use i_size_read().
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index b19f0a4..4635788 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -82,7 +82,7 @@
size_t count = iov_length(iov, nr_segs);
loff_t final_size = pos + count;
- if (pos >= inode->i_size)
+ if (pos >= i_size_read(inode))
return 0;
if ((pos & blockmask) || (final_size & blockmask))