tree cbb8eeb01f8974e14b0342e5fdcbabf099a3b304
parent 90a8020278c1598fafd071736a0846b38510309c
author Jan Kara <jack@suse.cz> 1412214586 -0400
committer Theodore Ts'o <tytso@mit.edu> 1412214586 -0400

ext4: fix mmap data corruption when blocksize < pagesize

Use truncate_isize_extended() when hole is being created in a file so that
->page_mkwrite() will get called for the partial tail page if it is
mmaped (see the first patch in the series for details).

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org