[PATCH 0/7] tmpfs: simplify by splice instead of readpage

[Hugh Dickins]

Here's a second patchset for mmotm, based on 30-rc2 plus the 14
in mm tmpfs and trunc changes, which were preparation for this.

Add shmem_file_splice_read(), remove shmem_readpage(), and
simplify: before advancing to the interesting radix_tree
conversion in the final patchset, to follow in a few days.

1/7 tmpfs: clone shmem_file_splice_read
2/7 tmpfs: refine shmem_file_splice_read
3/7 tmpfs: pass gfp to shmem_getpage_gfp
4/7 tmpfs: remove shmem_readpage
5/7 tmpfs: simplify prealloc_page
6/7 tmpfs: simplify filepage/swappage
7/7 tmpfs: simplify unuse and writepage

 fs/splice.c            |    4 
 include/linux/splice.h |    2 
 mm/shmem.c             |  549 ++++++++++++++++++++-------------------
 3 files changed, 299 insertions(+), 256 deletions(-)

Hugh
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