tree 5b83a284b5a4fbe41da5a34f0e321e09e0d4c188
parent dd8a2b6c29a3221c19ab475c8408fc2b914ccfab
author Matthew Wilcox <willy@linux.intel.com> 1441749551 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1441751728 -0700

ext4: use ext4_get_block_write() for DAX

DAX relies on the get_block function either zeroing newly allocated
blocks before they're findable by subsequent calls to get_block, or
marking newly allocated blocks as unwritten.  ext4_get_block() cannot
create unwritten extents, but ext4_get_block_write() can.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Reported-by: Andy Rudoff <andy.rudoff@intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>