[PATCH 3.18 63/92] ext4: fix overflow caused by missing cast in ext4_resize_fs()

3.18-stable review patch. If anyone has any objections, please let me know. -- From: Jerry Lee commit aec51758ce10a9c847a62a48a168f8c804c6e053 upstream. On a 32-bit platform, the value of n_blcoks_count may be wrong during the file system is resized to size

[PATCH 3.18 63/92] ext4: fix overflow caused by missing cast in ext4_resize_fs()

3.18-stable review patch. If anyone has any objections, please let me know. -- From: Jerry Lee commit aec51758ce10a9c847a62a48a168f8c804c6e053 upstream. On a 32-bit platform, the value of n_blcoks_count may be wrong during the file system is resized to size larger than 2^32