ext4: add DAX functionality

This is a port of the DAX functionality found in the current version of
ext2.

[[email protected]: heavily tweaked]
[[email protected]: remap_pages went away]
Signed-off-by: Ross Zwisler <[email protected]>
Reviewed-by: Andreas Dilger <[email protected]>
Signed-off-by: Matthew Wilcox <[email protected]>
Cc: Boaz Harrosh <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Dave Chinner <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Kirill A. Shutemov <[email protected]>
Cc: Mathieu Desnoyers <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Theodore Ts'o <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions