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Subject[PATCH v2 0/5] clean up and generalize swap-over-NFS
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Hi,

This patch series (based on ecb5ec0 in Linus' tree) contains all of the
non-BTRFS work that I've done to implement swapfiles on BTRFS. The BTRFS
portion is still undergoing development and is now outweighed by the
non-BTRFS changes, so I want to get these in separately.

Version 2 changes the generic swapfile interface to use ->read_iter and
->write_iter instead of using ->direct_IO directly in response to
discussion on the previous submission. It also adds the iov_iter_is_bvec
helper to factor out some common checks.

Version 1 can be found here: https://lkml.org/lkml/2014/12/15/7

Omar Sandoval (5):
iov_iter: add ITER_BVEC helpers
direct-io: don't dirty ITER_BVEC pages on read
nfs: don't dirty ITER_BVEC pages read through direct I/O
swapfile: use ->read_iter and ->write_iter
vfs: update swap_{,de}activate documentation

Documentation/filesystems/Locking | 7 ++++---
Documentation/filesystems/vfs.txt | 7 ++++---
fs/direct-io.c | 8 ++++---
fs/nfs/direct.c | 5 ++++-
fs/splice.c | 7 ++-----
include/linux/uio.h | 7 +++++++
mm/iov_iter.c | 12 +++++++++++
mm/page_io.c | 44 +++++++++++++++++++++++++--------------
mm/swapfile.c | 11 +++++++++-
9 files changed, 76 insertions(+), 32 deletions(-)

--
2.2.1



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