dax: Use copy_from_iter_nocache
authorMatthew Wilcox <willy@linux.intel.com>
Fri, 3 Jul 2015 14:40:39 +0000 (10:40 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Sat, 4 Jul 2015 19:56:56 +0000 (15:56 -0400)
commit872eb127e3a6cddcfca1410bb808d9b9bc773dc1
treed7275d7533753a7077b651a011f09d9ea8b62e9d
parent44f4c054cae646a9296da05cdfe7d6e786f73d46
dax: Use copy_from_iter_nocache

When userspace does a write, there's no need for the written data to
pollute the CPU cache.  This matches the original XIP code.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/dax.c