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Subject[PATCH 3.14 152/158] ext4: use i_size_read in ext4_unaligned_aio()
Date
3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Theodore Ts'o <tytso@mit.edu>

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>

---
fs/ext4/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -82,7 +82,7 @@ ext4_unaligned_aio(struct inode *inode,
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))



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