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Dan Aloni f2b326b774 sunrpc: fix NFSACL RPC retry on soft mount 
[ Upstream commit 0dc9f430027b8bd9073fdafdfcdeb1a073ab5594 ]

It used to be quite awhile ago since 1b63a75180 ('SUNRPC: Refactor
rpc_clone_client()'), in 2012, that `cl_timeout` was copied in so that
all mount parameters propagate to NFSACL clients. However since that
change, if mount options as follows are given:

    soft,timeo=50,retrans=16,vers=3

The resultant NFSACL client receives:

    cl_softrtry: 1
    cl_timeout: to_initval=60000, to_maxval=60000, to_increment=0, to_retries=2, to_exponential=0

These values lead to NFSACL operations not being retried under the
condition of transient network outages with soft mount. Instead, getacl
call fails after 60 seconds with EIO.

The simple fix is to pass the existing client's `cl_timeout` as the new
client timeout.

Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: Benjamin Coddington <bcodding@redhat.com>
Link: https://lore.kernel.org/all/20231105154857.ryakhmgaptq3hb6b@gmail.com/T/
Fixes: 1b63a75180 ('SUNRPC: Refactor rpc_clone_client()')
Signed-off-by: Dan Aloni <dan.aloni@vastdata.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-06-16 13:32:26 +02:00
arch x86/kconfig: Select ARCH_WANT_FRAME_POINTERS again when UNWINDER_FRAME_POINTER=y 2024-06-16 13:32:26 +02:00
block blk-iocost: avoid out of bounds shift 2024-05-17 11:48:04 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:13:17 +02:00
crypto Revert "crypto: api - Disallow identical driver names" 2024-05-02 16:23:43 +02:00
Documentation fpga: region: add owner module and take its refcount 2024-06-16 13:32:19 +02:00
drivers regulator: bd71828: Don't overwrite runtime voltages 2024-06-16 13:32:25 +02:00
fs f2fs: compress: don't allow unaligned truncation on released compress inode 2024-06-16 13:32:21 +02:00
include media: cec: core: avoid recursive cec_claim_log_addrs 2024-06-16 13:32:25 +02:00
init init/main.c: Fix potential static_command_line memory overflow 2024-05-02 16:23:39 +02:00
io_uring io_uring: ensure '0' is returned on file registration success 2024-04-13 12:59:22 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:24:00 +01:00
kernel sched/fair: Allow disabling sched_balance_newidle with sched_relax_domain_level 2024-06-16 13:32:15 +02:00
lib dyndbg: fix old BUG_ON in >control parser 2024-05-17 11:48:10 +02:00
LICENSES LICENSES/deprecated: add Zlib license text 2020-09-16 14:33:49 +02:00
mm x86/mm/pat: fix VM_PAT handling in COW mappings 2024-04-13 12:59:56 +02:00
net sunrpc: fix NFSACL RPC retry on soft mount 2024-06-16 13:32:26 +02:00
samples samples/hw_breakpoint: fix building without module unloading 2023-09-23 11:01:09 +02:00
scripts kbuild: dummy-tools: adjust to stricter stackprotector check 2024-04-13 12:59:57 +02:00
security ima: fix deadlock when traversing "ima_default_rules". 2024-05-25 16:19:06 +02:00
sound ASoC: tas2552: Add TX path for capturing AUDIO-OUT data 2024-06-16 13:32:26 +02:00
tools libsubcmd: Fix parse-options memory leak 2024-06-16 13:32:21 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:25:48 +01:00
virt KVM: Always flush async #PF workqueue when vCPU is being destroyed 2024-04-13 12:58:04 +02:00
.clang-format RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore kbuild: generate Module.symvers only when vmlinux exists 2021-05-19 10:12:59 +02:00
.mailmap mailmap: add two more addresses of Uwe Kleine-König 2020-12-06 10:19:07 -08:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Jason Cooper to CREDITS 2020-11-30 10:20:34 +01:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Remove DECnet support from kernel 2023-06-21 15:45:38 +02:00
Makefile Linux 5.10.218 2024-05-25 16:19:07 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.