tree d17381e45fe8843646ca70424095a9aa36711ee7
parent ac51d83705c2a38c71f39cde99708b14e6212a60
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> 1226066805 -0500
committer Theodore Ts'o <tytso@mit.edu> 1226066805 -0500

ext4: Mark the buffer_heads as dirty and uptodate after prepare_write

We need to make sure we mark the buffer_heads as dirty and uptodate
so that block_write_full_page write them correctly.

This fixes mmap corruptions that can occur in low memory situations.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>