[PATCH 3/7] btrfs: use i_size_read() instead of open code

[Anand Jain]

As i_size_read() takes care of 32bit smp or preempt cases as well.

Signed-off-by: Anand Jain <anand.j...@oracle.com>
---
 fs/btrfs/ioctl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index b0465020972a..86e7f5abd740 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1532,7 +1532,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
        }
 
        if (!new_size)
-               new_size = device->bdev->bd_inode->i_size;
+               new_size = i_size_read(device->bdev->bd_inode);
 
        old_size = btrfs_device_get_total_bytes(device);
 
@@ -1554,7 +1554,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
                ret = -EINVAL;
                goto out_mutex;
        }
-       if (new_size > device->bdev->bd_inode->i_size) {
+       if (new_size > i_size_read(device->bdev->bd_inode)) {
                ret = -EFBIG;
                goto out_mutex;
        }
-- 
2.13.1

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