Merge branch 'master' into user

* hirofumi:
  kernel-3.15-map_pages
  kernel-3.15-rename2
  kernel-3.15-remount-sync
  kernel-3.15-truncate_inode_pages_final
  tux3: Add tux3 to fs makefile and config
  tux3: Track api change to __generic_file_aio_write
  tux3: Fix missing i_ctime update for xattr
  tux3: Fix timestamp update for special files
user-3.15-truncate_inode_pages_final

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
user-3.15-err-bool

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Merge branch 'master' into user

* hirofumi:
  tux3: Remove writeback hack using new writeback
  Add writeback super operation (draft)
tux3: Userland build fix for writeback hook

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
core-truncate_page

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
mmap-truncate_page

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Merge branch 'master' into user

* hirofumi:
  mmap-truncate_page
  core-truncate_page
  mmap-page_cow_file
  core-page_cow_file
  mmap-core-change2
  mmap-core-change
  core-mmap-page-cow
user-truncate_page

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>