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Message-ID: <20190927235554.GA11051@fieldses.org>
Date: Fri, 27 Sep 2019 19:55:54 -0400
From: "J. Bruce Fields" <bfields@...ldses.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-nfs@...r.kernel.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Chuck Lever <chuck.lever@...cle.com>
Subject: Re: [GIT PULL] nfsd changes for 5.4
On Fri, Sep 27, 2019 at 03:44:02PM -0700, Linus Torvalds wrote:
> But then the actual code is just one single small commit:
>
> > Dave Wysochanski (1):
> > SUNRPC: Track writers of the 'channel' file to improve cache_listeners_exist
And that's also all that was in the diffstat in my pull message, but I
somehow didn't notice. I must be tired....
> which doesn't actually match any of the things your description says
> should be there.
>
> So I undid my pull - either the description is completely wrong, or
> you tagged the wrong commit.
Yes, the latter. I've redone the tag; the pull request should have
been for:
git://linux-nfs.org/~bfields/linux.git tags/nfsd-5.4
----------------------------------------------------------------
Highlights:
- add a new knfsd file cache, so that we don't have to open and
close on each (NFSv2/v3) READ or WRITE. This can speed up
read and write in some cases. It also replaces our readahead
cache.
- Prevent silent data loss on write errors, by treating write
errors like server reboots for the purposes of write caching,
thus forcing clients to resend their writes.
- Tweak the code that allocates sessions to be more forgiving,
so that NFSv4.1 mounts are less likely to hang when a server
already has a lot of clients.
- Eliminate an arbitrary limit on NFSv4 ACL sizes; they should
now be limited only by the backend filesystem and the
maximum RPC size.
- Allow the server to enforce use of the correct kerberos
credentials when a client reclaims state after a reboot.
And some miscellaneous smaller bugfixes and cleanup.
----------------------------------------------------------------
Chuck Lever (2):
svcrdma: Remove svc_rdma_wq
svcrdma: Use llist for managing cache of recv_ctxts
Colin Ian King (1):
sunrpc: clean up indentation issue
Dave Wysochanski (1):
SUNRPC: Track writers of the 'channel' file to improve cache_listeners_exist
J. Bruce Fields (4):
Merge nfsd bugfixes
nfsd: Remove unnecessary NULL checks
Deprecate nfsd fault injection
nfsd: eliminate an unnecessary acl size limit
Jeff Layton (12):
sunrpc: add a new cache_detail operation for when a cache is flushed
locks: create a new notifier chain for lease attempts
nfsd: add a new struct file caching facility to nfsd
nfsd: hook up nfsd_write to the new nfsd_file cache
nfsd: hook up nfsd_read to the nfsd_file cache
nfsd: hook nfsd_commit up to the nfsd_file cache
nfsd: convert nfs4_file->fi_fds array to use nfsd_files
nfsd: convert fi_deleg_file and ls_file fields to nfsd_file
nfsd: hook up nfs4_preprocess_stateid_op to the nfsd_file cache
nfsd: have nfsd_test_lock use the nfsd_file cache
nfsd: rip out the raparms cache
nfsd: close cached files prior to a REMOVE or RENAME that would replace target
NeilBrown (2):
nfsd: handle drc over-allocation gracefully.
nfsd: degraded slot-count more gracefully as allocation nears exhaustion.
Scott Mayhew (2):
nfsd: add a "GetVersion" upcall for nfsdcld
nfsd: add support for upcall version 2
Trond Myklebust (9):
notify: export symbols for use by the knfsd file cache
vfs: Export flush_delayed_fput for use by knfsd.
nfsd: Fix up some unused variable warnings
nfsd: Fix the documentation for svcxdr_tmpalloc()
nfsd: nfsd_file cache entries should be per net namespace
nfsd: Support the server resetting the boot verifier
nfsd: Don't garbage collect files that might contain write errors
nfsd: Reset the boot verifier on all write I/O errors
nfsd: fix nfs read eof detection
YueHaibing (2):
nfsd: remove duplicated include from filecache.c
nfsd: Make nfsd_reset_boot_verifier_locked static
fs/file_table.c | 1 +
fs/locks.c | 62 ++
fs/nfsd/Kconfig | 3 +-
fs/nfsd/Makefile | 3 +-
fs/nfsd/acl.h | 8 -
fs/nfsd/blocklayout.c | 3 +-
fs/nfsd/export.c | 13 +
fs/nfsd/filecache.c | 934 +++++++++++++++++++++++++++++++
fs/nfsd/filecache.h | 61 ++
fs/nfsd/netns.h | 4 +
fs/nfsd/nfs3proc.c | 9 +-
fs/nfsd/nfs3xdr.c | 13 +-
fs/nfsd/nfs4callback.c | 35 +-
fs/nfsd/nfs4layouts.c | 12 +-
fs/nfsd/nfs4proc.c | 97 ++--
fs/nfsd/nfs4recover.c | 388 ++++++++++---
fs/nfsd/nfs4state.c | 239 ++++----
fs/nfsd/nfs4xdr.c | 56 +-
fs/nfsd/nfsctl.c | 1 +
fs/nfsd/nfsproc.c | 4 +-
fs/nfsd/nfssvc.c | 48 +-
fs/nfsd/state.h | 13 +-
fs/nfsd/trace.h | 140 +++++
fs/nfsd/vfs.c | 351 +++++-------
fs/nfsd/vfs.h | 37 +-
fs/nfsd/xdr3.h | 2 +-
fs/nfsd/xdr4.h | 19 +-
fs/notify/fsnotify.h | 2 -
fs/notify/group.c | 2 +
fs/notify/mark.c | 6 +
include/linux/fs.h | 5 +
include/linux/fsnotify_backend.h | 2 +
include/linux/sunrpc/cache.h | 7 +-
include/linux/sunrpc/svc_rdma.h | 6 +-
include/uapi/linux/nfsd/cld.h | 41 +-
net/sunrpc/cache.c | 15 +-
net/sunrpc/svc.c | 4 +-
net/sunrpc/xprtrdma/svc_rdma.c | 7 -
net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 24 +-
net/sunrpc/xprtrdma/svc_rdma_transport.c | 6 +-
40 files changed, 2083 insertions(+), 600 deletions(-)
create mode 100644 fs/nfsd/filecache.c
create mode 100644 fs/nfsd/filecache.h
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