btrfs: fix state->private cast on 32 bit machines
authorSatoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Thu, 25 Dec 2014 09:21:41 +0000 (18:21 +0900)
committerChris Mason <clm@fb.com>
Mon, 19 Jan 2015 21:06:06 +0000 (13:06 -0800)
Suppress the following warning displayed on building 32bit (i686) kernel.

===============================================================================
...
   CC [M]  fs/btrfs/extent_io.o
fs/btrfs/extent_io.c: In function ‘btrfs_free_io_failure_record’:
fs/btrfs/extent_io.c:2193:13: warning: cast to pointer from integer of
different size [-Wint-to-pointer-cast]
    failrec = (struct io_failure_record *)state->private;
...
===============================================================================

Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Reported-by: Chris Murphy <chris@colorremedies.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/extent_io.c

index 4ebabd2371533788c496070122def464004328ac..790dbae3343c4f965eaa58e317c08d702ad0a7ff 100644 (file)
@@ -2190,7 +2190,7 @@ void btrfs_free_io_failure_record(struct inode *inode, u64 start, u64 end)
 
                next = next_state(state);
 
-               failrec = (struct io_failure_record *)state->private;
+               failrec = (struct io_failure_record *)(unsigned long)state->private;
                free_extent_state(state);
                kfree(failrec);