[PATCH 3.16.y-ckt 097/185] ext4: call sync_blockdev() before invalidate_bdev() in put_super()

3.16.7-ckt15 -stable review patch. If anyone has any objections, please let me know. -- From: Theodore Ts'o commit 89d96a6f8e6491f24fc8f99fd6ae66820e85c6c1 upstream. Normally all of the buffers will have been forced out to disk before we call invalidate_bdev(), but there

[PATCH 3.16.y-ckt 097/185] ext4: call sync_blockdev() before invalidate_bdev() in put_super()

3.16.7-ckt15 -stable review patch. If anyone has any objections, please let me know. -- From: Theodore Ts'o ty...@mit.edu commit 89d96a6f8e6491f24fc8f99fd6ae66820e85c6c1 upstream. Normally all of the buffers will have been forced out to disk before we call invalidate_bdev(),