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Message-ID: <159465766378.1376105.11619976251039287525.stgit@warthog.procyon.org.uk>
Date: Mon, 13 Jul 2020 17:27:43 +0100
From: David Howells <dhowells@...hat.com>
To: Trond Myklebust <trondmy@...merspace.com>,
Anna Schumaker <anna.schumaker@...app.com>,
Steve French <sfrench@...ba.org>,
Alexander Viro <viro@...iv.linux.org.uk>,
Matthew Wilcox <willy@...radead.org>
Cc: Jeff Layton <jlayton@...hat.com>,
Dave Wysochanski <dwysocha@...hat.com>, dhowells@...hat.com,
linux-cachefs@...hat.com, linux-afs@...ts.infradead.org,
linux-nfs@...r.kernel.org, linux-cifs@...r.kernel.org,
ceph-devel@...r.kernel.org, v9fs-developer@...ts.sourceforge.net,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 00/14] fscache: Rewrite 1: Disable and clean in preparation
for rewrite
Here's a set of patches that disables the network filesystems that use
fscache and then remove a whole chunk of the fscache codebase pending it
being rewritten.
The following parts of fscache have been removed:
- The object state machine
- The I/O operation manager
- All non-transient references from fscache to the netfs's data
- All non-transient callbacks from fscache to the netfs
- The backing page I/O monitoring
- The tracking of netfs pages that fscache knows about
- The tracking of netfs pages that need writing to the cache
- The use of bmap to work out if a page is stored in the cache
- The copy of data to/from backing pages to netfs pages.
The corresponding cachefiles bits have also been removed.
These patches can be found as part of the branch here:
https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log/?h=fscache-iter
David
---
David Howells (1):
fscache: Remove the I/O operation manager
fs/9p/Kconfig | 2 +-
fs/Makefile | 2 +-
fs/afs/Kconfig | 1 +
fs/afs/cache.c | 54 --
fs/afs/cell.c | 9 +-
fs/afs/dir.c | 242 +++++--
fs/afs/file.c | 575 +++++++--------
fs/afs/fs_operation.c | 4 +-
fs/afs/fsclient.c | 154 ++--
fs/afs/inode.c | 57 +-
fs/afs/internal.h | 58 +-
fs/afs/rxrpc.c | 150 ++--
fs/afs/volume.c | 9 +-
fs/afs/write.c | 413 +++++++----
fs/afs/yfsclient.c | 113 ++-
fs/cachefiles/Makefile | 3 +-
fs/cachefiles/bind.c | 11 +-
fs/cachefiles/content-map.c | 476 ++++++++++++
fs/cachefiles/daemon.c | 10 +-
fs/cachefiles/interface.c | 564 ++++++++-------
fs/cachefiles/internal.h | 139 ++--
fs/cachefiles/io.c | 279 +++++++
fs/cachefiles/main.c | 12 +-
fs/cachefiles/namei.c | 508 +++++--------
fs/cachefiles/rdwr.c | 974 -------------------------
fs/cachefiles/xattr.c | 263 +++----
fs/ceph/Kconfig | 2 +-
fs/cifs/Kconfig | 2 +-
fs/fscache/Kconfig | 8 +
fs/fscache/Makefile | 10 +-
fs/fscache/cache.c | 136 ++--
fs/fscache/cookie.c | 769 ++++++++------------
fs/fscache/dispatcher.c | 150 ++++
fs/fscache/fsdef.c | 56 +-
fs/fscache/histogram.c | 2 +-
fs/fscache/internal.h | 260 +++----
fs/fscache/io.c | 201 +++++
fs/fscache/main.c | 35 +-
fs/fscache/netfs.c | 10 +-
fs/fscache/obj.c | 345 +++++++++
fs/fscache/object-list.c | 129 +---
fs/fscache/object.c | 1133 -----------------------------
fs/fscache/object_bits.c | 120 +++
fs/fscache/operation.c | 633 ----------------
fs/fscache/page.c | 1248 --------------------------------
fs/fscache/proc.c | 13 +-
fs/fscache/read_helper.c | 688 ++++++++++++++++++
fs/fscache/stats.c | 265 +++----
fs/internal.h | 5 -
fs/nfs/Kconfig | 2 +-
fs/nfs/fscache-index.c | 4 +-
fs/read_write.c | 1 +
include/linux/fs.h | 2 +
include/linux/fscache-cache.h | 508 +++----------
include/linux/fscache-obsolete.h | 13 +
include/linux/fscache.h | 814 ++++++++-------------
include/linux/mm.h | 1 +
include/linux/pagemap.h | 14 +
include/linux/uio.h | 11 +
include/net/af_rxrpc.h | 2 +-
include/trace/events/afs.h | 51 +-
include/trace/events/cachefiles.h | 285 ++++++--
include/trace/events/fscache.h | 421 ++---------
include/trace/events/fscache_support.h | 91 +++
lib/iov_iter.c | 286 +++++++-
mm/filemap.c | 27 +-
net/rxrpc/recvmsg.c | 9 +-
67 files changed, 5598 insertions(+), 8246 deletions(-)
create mode 100644 fs/cachefiles/content-map.c
create mode 100644 fs/cachefiles/io.c
delete mode 100644 fs/cachefiles/rdwr.c
create mode 100644 fs/fscache/dispatcher.c
create mode 100644 fs/fscache/io.c
create mode 100644 fs/fscache/obj.c
delete mode 100644 fs/fscache/object.c
create mode 100644 fs/fscache/object_bits.c
delete mode 100644 fs/fscache/operation.c
delete mode 100644 fs/fscache/page.c
create mode 100644 fs/fscache/read_helper.c
create mode 100644 include/linux/fscache-obsolete.h
create mode 100644 include/trace/events/fscache_support.h
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