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

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Message-ID: <alpine.LSU.2.00.1106091529060.2200@sister.anvils>
Date:	Thu, 9 Jun 2011 15:30:53 -0700 (PDT)
From:	Hugh Dickins <hughd@...gle.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: [PATCH 0/7] tmpfs: simplify by splice instead of readpage

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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