ext4: DAX iomap write support

Implement DAX writes using the new iomap infrastructure instead of
overloading the direct IO path.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Jan Kara 2016-11-20 18:09:11 -05:00 • committed by Theodore Ts'o
commit 776722e85d
2 changed files with 160 additions and 6 deletions