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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/fs/nfs
История
NeilBrown 9b8a8e5e81 nfsd: don't allow nfsd threads to be signalled. 
commit 3903902401 upstream.

The original implementation of nfsd used signals to stop threads during
shutdown.
In Linux 2.3.46pre5 nfsd gained the ability to shutdown threads
internally it if was asked to run "0" threads.  After this user-space
transitioned to using "rpc.nfsd 0" to stop nfsd and sending signals to
threads was no longer an important part of the API.

In commit 3ebdbe5203 ("SUNRPC: discard svo_setup and rename
svc_set_num_threads_sync()") (v5.17-rc1~75^2~41) we finally removed the
use of signals for stopping threads, using kthread_stop() instead.

This patch makes the "obvious" next step and removes the ability to
signal nfsd threads - or any svc threads.  nfsd stops allowing signals
and we don't check for their delivery any more.

This will allow for some simplification in later patches.

A change worth noting is in nfsd4_ssc_setup_dul().  There was previously
a signal_pending() check which would only succeed when the thread was
being shut down.  It should really have tested kthread_should_stop() as
well.  Now it just does the latter, not the former.

Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2024-05-25 16:20:16 +02:00
..
blocklayout blocklayoutdriver: Fix reference leak of pnfs_device_node 2024-01-25 14:52:36 -08:00
filelayout pNFS/filelayout: Fix coalescing test for single DS 2023-01-24 07:22:41 +01:00
flexfilelayout NFS/pNFS: Report EINVAL errors from connect() to the server 2023-10-06 13:18:00 +02:00
Kconfig nfs: fix PNFS_FLEXFILE_LAYOUT Kconfig default 2021-03-08 11:47:47 -05:00
Makefile NFSv4.2: add client side xattr caching. 2020-07-13 17:52:46 -04:00
cache_lib.c NFS client updates for Linux 4.15 2017-11-17 14:18:00 -08:00
cache_lib.h NFS client updates for Linux 4.15 2017-11-17 14:18:00 -08:00
callback.c nfsd: don't allow nfsd threads to be signalled. 2024-05-25 16:20:16 +02:00
callback.h NFSv4.1: Fix uninitialised variable in devicenotify 2022-02-16 12:56:08 +01:00
callback_proc.c pNFS: Avoid a live lock condition in pnfs_update_layout() 2022-06-22 14:21:59 +02:00
callback_xdr.c SUNRPC: Parametrize how much of argsize should be zeroed 2024-04-10 16:19:17 +02:00
client.c nfs: make the rpc_stat per net namespace 2024-05-17 11:50:46 +02:00
delegation.c NFSv4: Fix a potential state reclaim deadlock 2022-11-10 18:15:26 +01:00
delegation.h NFSv4: Fix delegation return in cases where we have to retry 2021-06-13 19:36:27 -04:00
dir.c NFS: Further optimisations for 'ls -l' 2022-09-15 11:30:03 +02:00
direct.c nfs: fix UAF in direct writes 2024-04-10 16:18:40 +02:00
dns_resolve.c NFS: remove duplicate headers 2020-05-27 10:10:12 -04:00
dns_resolve.h
…
export.c nfsd: allow reaping files still under writeback 2024-04-10 16:19:27 +02:00
file.c NFSv4: keep state manager thread active if swap is enabled 2023-03-10 09:39:30 +01:00
fs_context.c nfs: fix broken handling of the softreval mount option 2022-05-18 10:26:49 +02:00
fscache-index.c nfs: fscache: use timespec64 in inode auxdata 2020-01-15 10:54:30 -05:00
fscache.c NFS: Fix fscache read from NFS after cache error 2021-07-08 14:03:26 -04:00
fscache.h nfs: fscache: use timespec64 in inode auxdata 2020-01-15 10:54:30 -05:00
getroot.c NFS: Create a new nfs_alloc_fattr_with_label() function 2022-06-09 10:23:17 +02:00
inode.c nfs: Handle error of rpc_proc_register() in nfs_net_init(). 2024-05-17 11:50:46 +02:00
internal.h nfs: make the rpc_stat per net namespace 2024-05-17 11:50:46 +02:00
io.c NFS: Fix up incorrect documentation 2021-04-05 09:04:20 -04:00
iostat.h
…
mount_clnt.c nfs: hornor timeo and retrans option when mounting NFSv3 2021-04-05 09:04:21 -04:00
namespace.c NFS: Fix an Oops in nfs_d_automount() 2022-12-31 13:14:13 +01:00
netns.h nfs: make the rpc_stat per net namespace 2024-05-17 11:50:46 +02:00
nfs.h
…
nfs2super.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nfs2xdr.c NFS: Guard against READDIR loop when entry names exceed MAXNAMELEN 2023-09-19 12:22:43 +02:00
nfs3_fs.h vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
nfs3acl.c vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
nfs3client.c Revert "pNFS: nfs3_set_ds_client should set NFS_CS_NOPING" 2022-08-17 14:22:45 +02:00
nfs3proc.c NFSv3: Delete duplicate judgement in nfs3_async_handle_jukebox 2021-08-27 16:36:21 -04:00
nfs3super.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nfs3xdr.c NFS: Guard against READDIR loop when entry names exceed MAXNAMELEN 2023-09-19 12:22:43 +02:00
nfs4_fs.h NFSv4: keep state manager thread active if swap is enabled 2023-03-10 09:39:30 +01:00
nfs4client.c NFSv4.1: fix pnfs MDS=DS session trunking 2023-10-06 13:18:00 +02:00
nfs4file.c NFSv4.2 fix problems with __nfs42_ssc_open 2022-08-31 17:16:37 +02:00
nfs4getroot.c
…
nfs4idmap.c NFSv4: Fix races in the legacy idmapper upcall 2022-08-25 11:40:02 +02:00
nfs4idmap.h
…
nfs4namespace.c NFSv4: Fix free of uninitialized nfs4_label on referral lookup. 2022-11-03 23:59:10 +09:00
nfs4proc.c NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102 2024-03-26 18:21:33 -04:00
nfs4renewd.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
nfs4session.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
nfs4session.h NFSv4.1: use BITS_PER_LONG macro in nfs4session.h 2020-12-14 06:51:07 -05:00
nfs4state.c NFS: restore module put when manager exits. 2024-04-10 16:19:07 +02:00
nfs4super.c NFS: Adjust fs_context error logging 2021-01-10 13:32:39 -05:00
nfs4sysctl.c nfs: Do not convert nfs_idmap_cache_timeout to jiffies 2018-01-18 15:10:47 -05:00
nfs4trace.c pNFS/flexfiles: Add tracing for layout errors 2020-01-15 10:54:33 -05:00
nfs4trace.h trace: Relocate event helper files 2024-04-10 16:19:24 +02:00
nfs4xdr.c NFSv4.2: Fix a memory stomp in decode_attr_security_label 2022-12-31 13:14:13 +01:00
nfs42.h NFSv4.2: fix listxattr maximum XDR buffer size 2024-03-26 18:21:33 -04:00
nfs42proc.c NFSv4.2: fix handling of COPY ERR_OFFLOAD_NO_REQ 2023-09-19 12:22:43 +02:00
nfs42xattr.c nfs: Fix a typo in the file nfs42xattr.c 2021-04-05 09:04:20 -04:00
nfs42xdr.c NFSv42: Don't fail clone() unless the OP_CLONE operation failed 2021-12-01 09:04:47 +01:00
nfsroot.c NFS: Fix an off by one in root_nfs_cat() 2024-03-26 18:21:33 -04:00
nfstrace.c NFSv4: Catch and trace server filehandle encoding errors 2021-04-14 09:36:29 -04:00
nfstrace.h trace: Relocate event helper files 2024-04-10 16:19:24 +02:00
pagelist.c NFSv4.1 mark qualified async operations as MOVEABLE tasks 2022-06-09 10:23:17 +02:00
pnfs.c pNFS: Fix a hang in nfs4_evict_inode() 2023-10-25 11:59:02 +02:00
pnfs.h NFS: Move NFS protocol display macros to global header 2024-04-10 16:18:52 +02:00
pnfs_dev.c NFSv4/pnfs: minor fix for cleanup path in nfs4_get_device_info 2023-09-19 12:22:56 +02:00
pnfs_nfs.c pNFS: Fix assignment of xprtdata.cred 2023-09-19 12:22:43 +02:00
proc.c NFS: NFSv2/v3 clients should never be setting NFS_CAP_XATTR 2022-04-08 14:22:52 +02:00
read.c NFS: Always provide aligned buffers to the RPC read layers 2021-08-30 13:21:38 -04:00
super.c NFSv4: Turn off open-by-filehandle and NFS re-export for NFSv4.0 2022-09-23 14:15:47 +02:00
symlink.c nfs: pass the correct prototype to read_cache_page 2019-05-09 16:26:57 -04:00
sysctl.c
…
sysfs.c NFS: rename nfs_client_kset to nfs_kset 2023-10-10 21:59:04 +02:00
sysfs.h NFSv4: Fix up RCU annotations for struct nfs_netns_client 2020-10-15 13:31:08 -04:00
unlink.c NFSv4.1 mark qualified async operations as MOVEABLE tasks 2022-06-09 10:23:17 +02:00
write.c nfs: fix UAF in direct writes 2024-04-10 16:18:40 +02:00