* Support for the new "riscv,isa-extensions" and "riscv,isa-base" device
tree interfaces for probing extensions.
* Support for userspace access to the performance counters.
* Support for more instructions in kprobes.
* Crash kernels can be allocated above 4GiB.
* Support for KCFI.
* Support for ELFs in !MMU configurations.
* ARCH_KMALLOC_MINALIGN has been reduced to 8.
* mmap() defaults to sv48-sized addresses, with longer addresses hidden
behind a hint (similar to Arm and Intel).
* Also various fixes and cleanups.
-----BEGIN PGP SIGNATURE-----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=/tXb
-----END PGP SIGNATURE-----
Merge tag 'riscv-for-linus-6.6-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for the new "riscv,isa-extensions" and "riscv,isa-base"
device tree interfaces for probing extensions
- Support for userspace access to the performance counters
- Support for more instructions in kprobes
- Crash kernels can be allocated above 4GiB
- Support for KCFI
- Support for ELFs in !MMU configurations
- ARCH_KMALLOC_MINALIGN has been reduced to 8
- mmap() defaults to sv48-sized addresses, with longer addresses hidden
behind a hint (similar to Arm and Intel)
- Also various fixes and cleanups
* tag 'riscv-for-linus-6.6-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (51 commits)
lib/Kconfig.debug: Restrict DEBUG_INFO_SPLIT for RISC-V
riscv: support PREEMPT_DYNAMIC with static keys
riscv: Move create_tmp_mapping() to init sections
riscv: Mark KASAN tmp* page tables variables as static
riscv: mm: use bitmap_zero() API
riscv: enable DEBUG_FORCE_FUNCTION_ALIGN_64B
riscv: remove redundant mv instructions
RISC-V: mm: Document mmap changes
RISC-V: mm: Update pgtable comment documentation
RISC-V: mm: Add tests for RISC-V mm
RISC-V: mm: Restrict address space for sv39,sv48,sv57
riscv: enable DMA_BOUNCE_UNALIGNED_KMALLOC for !dma_coherent
riscv: allow kmalloc() caches aligned to the smallest value
riscv: support the elf-fdpic binfmt loader
binfmt_elf_fdpic: support 64-bit systems
riscv: Allow CONFIG_CFI_CLANG to be selected
riscv/purgatory: Disable CFI
riscv: Add CFI error handling
riscv: Add ftrace_stub_graph
riscv: Add types to indirectly called assembly functions
...
New Features:
* Enable the NFS v4.2 READ_PLUS operation by default
Stable Fixes:
* NFSv4/pnfs: minor fix for cleanup path in nfs4_get_device_info
* NFS: Fix a potential data corruption
Bugfixes:
* Fix various READ_PLUS issues including:
* smatch warnings
* xdr size calculations
* scratch buffer handling
* 32bit / highmem xdr page handling
* Fix checkpatch errors in file.c
* Fix redundant readdir request after an EOF
* Fix handling of COPY ERR_OFFLOAD_NO_REQ
* Fix assignment of xprtdata.cred
Cleanups:
* Remove unused xprtrdma function declarations
* Clean up an integer overflow check to avoid a warning
* Clean up #includes in dns_resolve.c
* Clean up nfs4_get_device_info so we don't pass a NULL pointer to __free_page()
* Clean up sunrpc TCP socket timeout configuration
* Guard against READDIR loops when entry names are too long
* Use EXCHID4_FLAG_USE_PNFS_DS for DS servers
-----BEGIN PGP SIGNATURE-----
iQIzBAABCAAdFiEEnZ5MQTpR7cLU7KEp18tUv7ClQOsFAmTwzwYACgkQ18tUv7Cl
QOtIhBAA+BOh7MB6yjlyctFxABJiXz2x2Dehxy7Ox15LfnyStqQAUEpk35CXWvjC
iNxpZJ486+WrzM76WGEaRbECK9nTQLK1yacR3V1zpnDwHWIJA6VHN6qU4JAfSMu7
XbhWkHWry6d7PXhvqHlaiYvPX2pF39wUzfH+vLlzS2QLIkpT6LnG0zVRJTQvLCmq
zE5xD+NCQ1Dpo9VnouuzW7VVfm532hI7GQNrpo0E0vWKgeQD+/fOpDu23MW8A1Ua
ZgVMAc7vScgDZH8/20Ze5PH4jAEB4gwEIzjreQlIXr7Tf+mE7qn435lgOuvdMQCW
eHhdNriZ2X6HMLhNFFpup8bkRKGCCTooTHC1W66n9CuxIAuVT5DNwBbakpagHSZf
J4ho81hEgBfc5zppISVjV6eFK4brM0rF9AliaIw8r/qGcMmO1CILi9tLGiheiJcT
LuId7U2sE/vfIa6SiBt7rx37/MkrgLlAgjpk4dCRJQW+gKVBi09sMGnDlgaRvCZz
T0WCsK4DgI9q2rScpwJYJbNWbC2Q8qUtYWW9LSRvwhbNdm/VbRnEHWA7eOwqqm8r
KkkF4chyoTJqpnF3SjxT/lyFk6GwsD+wXafOmEeuFA6Si3dHDU9i3aUf+cCXhwRI
uUzCUHYcCKnv4QVGPuAbIdxMgueNCuLoeWgTClVlqidv7GRyz7Y=
=rjmq
-----END PGP SIGNATURE-----
Merge tag 'nfs-for-6.6-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client updates from Anna Schumaker:
"New Features:
- Enable the NFS v4.2 READ_PLUS operation by default
Stable Fixes:
- NFSv4/pnfs: minor fix for cleanup path in nfs4_get_device_info
- NFS: Fix a potential data corruption
Bugfixes:
- Fix various READ_PLUS issues including:
- smatch warnings
- xdr size calculations
- scratch buffer handling
- 32bit / highmem xdr page handling
- Fix checkpatch errors in file.c
- Fix redundant readdir request after an EOF
- Fix handling of COPY ERR_OFFLOAD_NO_REQ
- Fix assignment of xprtdata.cred
Cleanups:
- Remove unused xprtrdma function declarations
- Clean up an integer overflow check to avoid a warning
- Clean up #includes in dns_resolve.c
- Clean up nfs4_get_device_info so we don't pass a NULL pointer
to __free_page()
- Clean up sunrpc TCP socket timeout configuration
- Guard against READDIR loops when entry names are too long
- Use EXCHID4_FLAG_USE_PNFS_DS for DS servers"
* tag 'nfs-for-6.6-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (22 commits)
pNFS: Fix assignment of xprtdata.cred
NFSv4.2: fix handling of COPY ERR_OFFLOAD_NO_REQ
NFS: Guard against READDIR loop when entry names exceed MAXNAMELEN
NFSv4.1: use EXCHGID4_FLAG_USE_PNFS_DS for DS server
NFS/pNFS: Set the connect timeout for the pNFS flexfiles driver
SUNRPC: Don't override connect timeouts in rpc_clnt_add_xprt()
SUNRPC: Allow specification of TCP client connect timeout at setup
SUNRPC: Refactor and simplify connect timeout
SUNRPC: Set the TCP_SYNCNT to match the socket timeout
NFS: Fix a potential data corruption
nfs: fix redundant readdir request after get eof
nfs/blocklayout: Use the passed in gfp flags
filemap: Fix errors in file.c
NFSv4/pnfs: minor fix for cleanup path in nfs4_get_device_info
NFS: Move common includes outside ifdef
SUNRPC: clean up integer overflow check
xprtrdma: Remove unused function declaration rpcrdma_bc_post_recv()
NFS: Enable the READ_PLUS operation by default
SUNRPC: kmap() the xdr pages during decode
NFSv4.2: Rework scratch handling for READ_PLUS (again)
...
I'm thrilled to announce that the Linux in-kernel NFS server now
offers NFSv4 write delegations. A write delegation enables a client
to cache data and metadata for a single file more aggressively,
reducing network round trips and server workload. Many thanks to Dai
Ngo for contributing this facility, and to Jeff Layton and Neil
Brown for reviewing and testing it.
This release also sees the removal of all support for DES- and
triple-DES-based Kerberos encryption types in the kernel's SunRPC
implementation. These encryption types have been deprecated by the
Internet community for years and are considered insecure. This
change affects both the in-kernel NFS client and server.
The server's UDP and TCP socket transports have now fully adopted
David Howells' new bio_vec iterator so that no more than one
sendmsg() call is needed to transmit each RPC message. In
particular, this helps kTLS optimize record boundaries when sending
RPC-with-TLS replies, and it takes the server a baby step closer to
handling file I/O via folios.
We've begun work on overhauling the SunRPC thread scheduler to
remove a costly linked-list walk when looking for an idle RPC
service thread to wake. The pre-requisites are included in this
release. Thanks to Neil Brown for his ongoing work on this
improvement.
-----BEGIN PGP SIGNATURE-----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=XGHs
-----END PGP SIGNATURE-----
Merge tag 'nfsd-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd updates from Chuck Lever:
"I'm thrilled to announce that the Linux in-kernel NFS server now
offers NFSv4 write delegations. A write delegation enables a client to
cache data and metadata for a single file more aggressively, reducing
network round trips and server workload. Many thanks to Dai Ngo for
contributing this facility, and to Jeff Layton and Neil Brown for
reviewing and testing it.
This release also sees the removal of all support for DES- and
triple-DES-based Kerberos encryption types in the kernel's SunRPC
implementation. These encryption types have been deprecated by the
Internet community for years and are considered insecure. This change
affects both the in-kernel NFS client and server.
The server's UDP and TCP socket transports have now fully adopted
David Howells' new bio_vec iterator so that no more than one sendmsg()
call is needed to transmit each RPC message. In particular, this helps
kTLS optimize record boundaries when sending RPC-with-TLS replies, and
it takes the server a baby step closer to handling file I/O via
folios.
We've begun work on overhauling the SunRPC thread scheduler to remove
a costly linked-list walk when looking for an idle RPC service thread
to wake. The pre-requisites are included in this release. Thanks to
Neil Brown for his ongoing work on this improvement"
* tag 'nfsd-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (56 commits)
Documentation: Add missing documentation for EXPORT_OP flags
SUNRPC: Remove unused declaration rpc_modcount()
SUNRPC: Remove unused declarations
NFSD: da_addr_body field missing in some GETDEVICEINFO replies
SUNRPC: Remove return value of svc_pool_wake_idle_thread()
SUNRPC: make rqst_should_sleep() idempotent()
SUNRPC: Clean up svc_set_num_threads
SUNRPC: Count ingress RPC messages per svc_pool
SUNRPC: Deduplicate thread wake-up code
SUNRPC: Move trace_svc_xprt_enqueue
SUNRPC: Add enum svc_auth_status
SUNRPC: change svc_xprt::xpt_flags bits to enum
SUNRPC: change svc_rqst::rq_flags bits to enum
SUNRPC: change svc_pool::sp_flags bits to enum
SUNRPC: change cache_head.flags bits to enum
SUNRPC: remove timeout arg from svc_recv()
SUNRPC: change svc_recv() to return void.
SUNRPC: call svc_process() from svc_recv().
nfsd: separate nfsd_last_thread() from nfsd_put()
nfsd: Simplify code around svc_exit_thread() call in nfsd()
...
-----BEGIN PGP SIGNATURE-----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=4EB/
-----END PGP SIGNATURE-----
Merge tag '6.6-rc-ksmbd-fixes-part1' of git://git.samba.org/ksmbd
Pull smb server updates from Steve French:
- fix potential overflows in decoding create and in session setup
requests
- cleanup fixes
- compounding fixes, including one for MacOS compounded read requests
- session setup error handling fix
- fix mode bit bug when applying force_directory_mode and
force_create_mode
- RDMA (smbdirect) write fix
* tag '6.6-rc-ksmbd-fixes-part1' of git://git.samba.org/ksmbd:
ksmbd: add missing calling smb2_set_err_rsp() on error
ksmbd: replace one-element array with flex-array member in struct smb2_ea_info
ksmbd: fix slub overflow in ksmbd_decode_ntlmssp_auth_blob()
ksmbd: fix wrong DataOffset validation of create context
ksmbd: Fix one kernel-doc comment
ksmbd: reduce descriptor size if remaining bytes is less than request size
ksmbd: fix `force create mode' and `force directory mode'
ksmbd: fix wrong interim response on compound
ksmbd: add support for read compound
ksmbd: switch to use kmemdup_nul() helper
-----BEGIN PGP SIGNATURE-----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=W5Xa
-----END PGP SIGNATURE-----
Merge tag 'jfs-6.6' of github.com:kleikamp/linux-shaggy
Pull jfs updates from Dave Kleikamp:
"A few small fixes"
* tag 'jfs-6.6' of github.com:kleikamp/linux-shaggy:
jfs: validate max amount of blocks before allocation.
jfs: remove redundant initialization to pointer ip
jfs: fix invalid free of JFS_IP(ipimap)->i_imap in diUnmount
FS: JFS: (trivial) Fix grammatical error in extAlloc
fs/jfs: prevent double-free in dbUnmount() after failed jfs_remount()
* Cleanups in the ext4 remount code when going to and from read-only
* Cleanups in ext4's multiblock allocator
* Cleanups in the jbd2 setup/mounting code paths
* Performance improvements when appending to a delayed allocation file
* Miscenallenous syzbot and other bug fixes
-----BEGIN PGP SIGNATURE-----
iQEzBAABCAAdFiEEK2m5VNv+CHkogTfJ8vlZVpUNgaMFAmTwqUMACgkQ8vlZVpUN
gaMqgwf6Aui6MlrtNJx6CrJt4dxLANQ8G6bsJ2Zr+6QNS1X/GAUrCCyLWWom1dfb
OJ/n4/JUCNc9v5yLCTqHOE5ZFTdQItOBJUKXbJYff8EdnR+zCUULpj6bPbEs5BKp
U7CiiZ9TIi9S2TWezvIJKIa2VxgPej7CH/HOt8ISh/Msq8nHvcEEJIyOEvVk9odQ
LEkiQCsikWaljB7qEOIYo+xgFffMZfttc4zuTkdr/h1I6OWhvQYmlwSnTuAiE7BS
BVf3ebD2Dg8TChUMXOsk2d743iZNWf/+yTfbXVu93/uEM9vgF0+HO6EerTK8RMeM
yxhshg9z7ccuFjdY/2NYDXe6pEuDKw==
=cMIX
-----END PGP SIGNATURE-----
Merge tag 'ext4_for_linus-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Many ext4 and jbd2 cleanups and bug fixes:
- Cleanups in the ext4 remount code when going to and from read-only
- Cleanups in ext4's multiblock allocator
- Cleanups in the jbd2 setup/mounting code paths
- Performance improvements when appending to a delayed allocation file
- Miscellaneous syzbot and other bug fixes"
* tag 'ext4_for_linus-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (60 commits)
ext4: fix slab-use-after-free in ext4_es_insert_extent()
libfs: remove redundant checks of s_encoding
ext4: remove redundant checks of s_encoding
ext4: reject casefold inode flag without casefold feature
ext4: use LIST_HEAD() to initialize the list_head in mballoc.c
ext4: do not mark inode dirty every time when appending using delalloc
ext4: rename s_error_work to s_sb_upd_work
ext4: add periodic superblock update check
ext4: drop dio overwrite only flag and associated warning
ext4: add correct group descriptors and reserved GDT blocks to system zone
ext4: remove unused function declaration
ext4: mballoc: avoid garbage value from err
ext4: use sbi instead of EXT4_SB(sb) in ext4_mb_new_blocks_simple()
ext4: change the type of blocksize in ext4_mb_init_cache()
ext4: fix unttached inode after power cut with orphan file feature enabled
jbd2: correct the end of the journal recovery scan range
ext4: ext4_get_{dev}_journal return proper error value
ext4: cleanup ext4_get_dev_journal() and ext4_get_journal()
jbd2: jbd2_journal_init_{dev,inode} return proper error return value
jbd2: drop useless error tag in jbd2_journal_wipe()
...
Changes include:
- Allow blocking posix lock requests to be interrupted while waiting.
This requires a cancel request to be sent to the userspace daemon
where posix lock requests are processed across the cluster.
- Fix a posix lock patch from the previous cycle in which lock requests
from different file systems could be mixed up.
- Fix some long standing problems with nfs posix lock cancelation.
- Add a new debugfs file for printing queued callbacks.
- Stop modifying buffers that have been used to receive a message.
- Misc cleanups and some refactoring.
-----BEGIN PGP SIGNATURE-----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=BBCe
-----END PGP SIGNATURE-----
Merge tag 'dlm-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
- Allow blocking posix lock requests to be interrupted while waiting.
This requires a cancel request to be sent to the userspace daemon
where posix lock requests are processed across the cluster.
- Fix a posix lock patch from the previous cycle in which lock requests
from different file systems could be mixed up.
- Fix some long standing problems with nfs posix lock cancelation.
- Add a new debugfs file for printing queued callbacks.
- Stop modifying buffers that have been used to receive a message.
- Misc cleanups and some refactoring.
* tag 'dlm-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
dlm: fix plock lookup when using multiple lockspaces
fs: dlm: don't use RCOM_NAMES for version detection
fs: dlm: create midcomms nodes when configure
fs: dlm: constify receive buffer
fs: dlm: drop rxbuf manipulation in dlm_recover_master_copy
fs: dlm: drop rxbuf manipulation in dlm_copy_master_names
fs: dlm: get recovery sequence number as parameter
fs: dlm: cleanup lock order
fs: dlm: remove clear_members_cb
fs: dlm: add plock dev tracepoints
fs: dlm: check on plock ops when exit dlm
fs: dlm: debugfs for queued callbacks
fs: dlm: remove unused processed_nodes
fs: dlm: add missing spin_unlock
fs: dlm: fix F_CANCELLK to cancel pending request
fs: dlm: allow to F_SETLKW getting interrupted
fs: dlm: remove twice newline
-----BEGIN PGP SIGNATURE-----
iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZPBy4AAKCRCRxhvAZXjc
ok3jAP9+iZREbmcPgrAUGZOjq7+Gx1kJ297Uw/LKiWmxZeX2NwD/cKyv239YXHBM
CB4dCwk3pvBZ8uD4dUonDX3PJYFauAU=
=knzN
-----END PGP SIGNATURE-----
Merge tag 'v6.6-vfs.super.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull more superblock follow-on fixes from Christian Brauner:
"This contains two more small follow-up fixes for the super work this
cycle. I went through all filesystems once more and detected two minor
issues that still needed fixing:
- Some filesystems support mtd devices (e.g., mount -t jffs2 mtd2
/mnt). The mtd infrastructure uses the sb->s_mtd pointer to find an
existing superblock. When the mtd device is put and sb->s_mtd
cleared the superblock can still be found fs_supers and so this
risks a use-after-free.
Add a small patch that aligns mtd with what we did for regular
block devices and switch keying to rely on sb->s_dev.
(This was tested with mtd devices and jffs2 as xfstests doesn't
support mtd devices.)
- Switch nfs back to rely on kill_anon_super() so the superblock is
removed from the list of active supers before sb->s_fs_info is
freed"
* tag 'v6.6-vfs.super.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
NFS: switch back to using kill_anon_super
mtd: key superblock by device number
fs: export sget_dev()
Convert IBT selftest to asm to fix objtool warning
-----BEGIN PGP SIGNATURE-----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=3UUm
-----END PGP SIGNATURE-----
Merge tag 'x86_shstk_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 shadow stack support from Dave Hansen:
"This is the long awaited x86 shadow stack support, part of Intel's
Control-flow Enforcement Technology (CET).
CET consists of two related security features: shadow stacks and
indirect branch tracking. This series implements just the shadow stack
part of this feature, and just for userspace.
The main use case for shadow stack is providing protection against
return oriented programming attacks. It works by maintaining a
secondary (shadow) stack using a special memory type that has
protections against modification. When executing a CALL instruction,
the processor pushes the return address to both the normal stack and
to the special permission shadow stack. Upon RET, the processor pops
the shadow stack copy and compares it to the normal stack copy.
For more information, refer to the links below for the earlier
versions of this patch set"
Link: https://lore.kernel.org/lkml/20220130211838.8382-1-rick.p.edgecombe@intel.com/
Link: https://lore.kernel.org/lkml/20230613001108.3040476-1-rick.p.edgecombe@intel.com/
* tag 'x86_shstk_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (47 commits)
x86/shstk: Change order of __user in type
x86/ibt: Convert IBT selftest to asm
x86/shstk: Don't retry vm_munmap() on -EINTR
x86/kbuild: Fix Documentation/ reference
x86/shstk: Move arch detail comment out of core mm
x86/shstk: Add ARCH_SHSTK_STATUS
x86/shstk: Add ARCH_SHSTK_UNLOCK
x86: Add PTRACE interface for shadow stack
selftests/x86: Add shadow stack test
x86/cpufeatures: Enable CET CR4 bit for shadow stack
x86/shstk: Wire in shadow stack interface
x86: Expose thread features in /proc/$PID/status
x86/shstk: Support WRSS for userspace
x86/shstk: Introduce map_shadow_stack syscall
x86/shstk: Check that signal frame is shadow stack mem
x86/shstk: Check that SSP is aligned on sigreturn
x86/shstk: Handle signals for shadow stack
x86/shstk: Introduce routines modifying shstk
x86/shstk: Handle thread shadow stack
x86/shstk: Add user-mode shadow stack support
...
NFS switch to open coding kill_anon_super in 7b14a21389
("nfs: don't call bdi_unregister") to avoid the extra bdi_unregister
call. At that point bdi_destroy was called in nfs_free_server and
thus it required a later freeing of the anon dev_t. But since
0db10944a7 ("nfs: Convert to separately allocated bdi") the bdi has
been free implicitly by the sb destruction, so this isn't needed
anymore.
By not open coding kill_anon_super, nfs now inherits the fix in
dc3216b141 ("super: ensure valid info"), and we remove the only
open coded version of kill_anon_super.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <20230831052940.256193-1-hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
They will be used for mtd devices as well.
Acked-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <20230829-vfs-super-mtd-v1-1-fecb572e5df3@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
-----BEGIN PGP SIGNATURE-----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=CtQO
-----END PGP SIGNATURE-----
Merge tag '6.6-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client updates from Steve French:
- fixes for excessive stack usage
- multichannel reconnect improvements
- DFS fix and cleanup patches
- move UCS-2 conversion code to fs/nls and update cifs and jfs to use
them
- cleanup patch for compounding, one to fix confusing function name
- inode number collision fix
- reparse point fixes (including avoiding an extra unneeded query on
symlinks) and a minor cleanup
- directory lease (caching) improvement
* tag '6.6-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6: (24 commits)
fs/jfs: Use common ucs2 upper case table
fs/smb/client: Use common code in client
fs/smb: Swing unicode common code from smb->NLS
fs/smb: Remove unicode 'lower' tables
SMB3: rename macro CIFS_SERVER_IS_CHAN to avoid confusion
[SMB3] send channel sequence number in SMB3 requests after reconnects
cifs: update desired access while requesting for directory lease
smb: client: reduce stack usage in smb2_query_reparse_point()
smb: client: reduce stack usage in smb2_query_info_compound()
smb: client: reduce stack usage in smb2_set_ea()
smb: client: reduce stack usage in smb_send_rqst()
smb: client: reduce stack usage in cifs_demultiplex_thread()
smb: client: reduce stack usage in cifs_try_adding_channels()
smb: cilent: set reparse mount points as automounts
smb: client: query reparse points in older dialects
smb: client: do not query reparse points twice on symlinks
smb: client: parse reparse point flag in create response
smb: client: get rid of dfs code dep in namespace.c
smb: client: get rid of dfs naming in automount code
smb: client: rename cifs_dfs_ref.c to namespace.c
...
* Chandan Babu will be taking over as the XFS release manager. He has
reviewed all the patches that are in this branch, though I'm signing
the branch one last time since I'm still technically maintainer. :P
* Create a maintainer entry profile for XFS in which we lay out the
various roles that I have played for many years. Aside from release
manager, the remaining roles are as yet unfilled.
* Start merging online repair -- we now have in-memory pageable memory
for staging btrees, a bunch of pending fixes, and we've started the
process of refactoring the scrub support code to support more of
repair. In particular, reaping of old blocks from damaged structures.
* Scrub the realtime summary file.
* Fix a bug where scrub's quota iteration only ever returned the root
dquot. Oooops.
* Fix some typos.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
-----BEGIN PGP SIGNATURE-----
iHUEABYKAB0WIQQ2qTKExjcn+O1o2YRKO3ySh0YRpgUCZOQE2AAKCRBKO3ySh0YR
pvmZAQDe+KceaVx6Dv2f9ihckeS2dILSpDTo1bh9BeXnt005VwD/ceHTaJxEl8lp
u/dixFDkRgp9RYtoTAK2WNiUxYetsAc=
=oZN6
-----END PGP SIGNATURE-----
Merge tag 'xfs-6.6-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Chandan Babu:
- Chandan Babu will be taking over as the XFS release manager. He has
reviewed all the patches that are in this branch, though I'm signing
the branch one last time since I'm still technically maintainer. :P
- Create a maintainer entry profile for XFS in which we lay out the
various roles that I have played for many years. Aside from release
manager, the remaining roles are as yet unfilled.
- Start merging online repair -- we now have in-memory pageable memory
for staging btrees, a bunch of pending fixes, and we've started the
process of refactoring the scrub support code to support more of
repair. In particular, reaping of old blocks from damaged structures.
- Scrub the realtime summary file.
- Fix a bug where scrub's quota iteration only ever returned the root
dquot. Oooops.
- Fix some typos.
[ Pull request from Chandan Babu, but signed tag and description from
Darrick Wong, thus the first person singular above is Darrick, not
Chandan ]
* tag 'xfs-6.6-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (37 commits)
fs/xfs: Fix typos in comments
xfs: fix dqiterate thinko
xfs: don't check reflink iflag state when checking cow fork
xfs: simplify returns in xchk_bmap
xfs: rewrite xchk_inode_is_allocated to work properly
xfs: hide xfs_inode_is_allocated in scrub common code
xfs: fix agf_fllast when repairing an empty AGFL
xfs: allow userspace to rebuild metadata structures
xfs: clear pagf_agflreset when repairing the AGFL
xfs: allow the user to cancel repairs before we start writing
xfs: don't complain about unfixed metadata when repairs were injected
xfs: implement online scrubbing of rtsummary info
xfs: always rescan allegedly healthy per-ag metadata after repair
xfs: move the realtime summary file scrubber to a separate source file
xfs: wrap ilock/iunlock operations on sc->ip
xfs: get our own reference to inodes that we want to scrub
xfs: track usage statistics of online fsck
xfs: improve xfarray quicksort pivot
xfs: create scaffolding for creating debugfs entries
xfs: cache pages used for xfarray quicksort convergence
...
-----BEGIN PGP SIGNATURE-----
iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmTvFssACgkQnJ2qBz9k
QNl7HggAuY154urYJdh7M+mbKDSywhcK0YT5pNNkcXVpv/t2c073Ce57+ObDCBaS
xetyFgH2XlvuAJ4dWmRDwBEzJ0jquKzvYJEMiXAexgy47ctnNPx5kLPsXpt3g+2q
pro7sK1b5BmX/zrgOontbJ8/YAwX85XToD4Cv5XyNSx/ex6/zsd5FProfdiY/HAt
qAcv7NkNTBbJBEBHhBNQSL2wOj3LzQV1U8v0XEcsBvTUxlX2jH8J4CsuFIotXqCF
37SNvZPk2c04HbaLgyU4Ura69qD0fn4vTMocuCoaf0CN2PL5jblRAwsAO2bfSqJE
AxZFq3afI0YV3Y9OrVlzHtSALuiZMQ==
=QPEQ
-----END PGP SIGNATURE-----
Merge tag 'for_v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext2, quota, and udf updates from Jan Kara:
- fixes for possible use-after-free issues with quota when racing with
chown
- fixes for ext2 crashing when xattr allocation races with another
block allocation to the same file from page writeback code
- fix for block number overflow in ext2
- marking of reiserfs as obsolete in MAINTAINERS
- assorted minor cleanups
* tag 'for_v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
ext2: Fix kernel-doc warnings
ext2: improve consistency of ext2_fsblk_t datatype usage
ext2: dump current reservation window info
ext2: fix race between setxattr and write back
ext2: introduce new flags argument for ext2_new_blocks()
ext2: remove ext2_new_block()
ext2: fix datatype of block number in ext2_xattr_set2()
udf: Drop pointless aops assignment
quota: use lockdep_assert_held_write in dquot_load_quota_sb
MAINTAINERS: change reiserfs status to obsolete
udf: Fix -Wstringop-overflow warnings
quota: simplify drop_dquot_ref()
quota: fix dqput() to follow the guarantees dquot_srcu should provide
quota: add new helper dquot_active()
quota: rename dquot_active() to inode_quota_active()
quota: factor out dquot_write_dquot()
ext2: remove redundant assignment to variable desc and variable best_desc
-----BEGIN PGP SIGNATURE-----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=F4Hi
-----END PGP SIGNATURE-----
Merge tag 'ovl-update-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs
Pull overlayfs updates from Amir Goldstein:
- add verification feature needed by composefs (Alexander Larsson)
- improve integration of overlayfs and fanotify (Amir Goldstein)
- fortify some overlayfs code (Andrea Righi)
* tag 'ovl-update-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
ovl: validate superblock in OVL_FS()
ovl: make consistent use of OVL_FS()
ovl: Kconfig: introduce CONFIG_OVERLAY_FS_DEBUG
ovl: auto generate uuid for new overlay filesystems
ovl: store persistent uuid/fsid with uuid=on
ovl: add support for unique fsid per instance
ovl: support encoding non-decodable file handles
ovl: Handle verity during copy-up
ovl: Validate verity xattr when resolving lowerdata
ovl: Add versioned header for overlay.metacopy xattr
ovl: Add framework for verity support
The comma at the end of the line was leftover from an earlier refactor
of the _nfs4_pnfs_v3_ds_connect() function. This is technically valid C,
so the compilers didn't catch it, but if I'm understanding how it works
correctly it assigns the return value of rpc_clnt_add_xprtr() to
xprtdata.cred.
Reported-by: Olga Kornievskaia <kolga@netapp.com>
Fixes: a12f996d34 ("NFSv4/pNFS: Use connections to a DS that are all of the same protocol family")
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
If the client sent a synchronous copy and the server replied with
ERR_OFFLOAD_NO_REQ indicating that it wants an asynchronous
copy instead, the client should retry with asynchronous copy.
Fixes: 539f57b3e0 ("NFS handle COPY ERR_OFFLOAD_NO_REQS")
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Commit 64cfca85ba asserts the only valid return values for
nfs2/3_decode_dirent should not include -ENAMETOOLONG, but for a server
that sends a filename3 which exceeds MAXNAMELEN in a READDIR response the
client's behavior will be to endlessly retry the operation.
We could map -ENAMETOOLONG into -EBADCOOKIE, but that would produce
truncated listings without any error. The client should return an error
for this case to clearly assert that the server implementation must be
corrected.
Fixes: 64cfca85ba ("NFS: Return valid errors from nfs2/3_decode_dirent()")
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Use the UCS-2 upper case tables from nls, that are shared
with smb.
This code in JFS is hard to test, so we're only reusing the
same tables (which are identical), not trying to reuse the
rest of the helper functions.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Now we've got the common code, use it for the client as well.
Note there's a change here where we're using the server version of
UniStrcat now which had different types (__le16 vs wchar_t) but
it's not interpreting the value other than checking for 0, however
we do need casts to keep sparse happy.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Swing most of the inline functions and unicode tables into nls
from the copy in smb/server. This is UCS-2 rather than most
of the rest of the code in NLS, but it currently seems like the
best place for it.
The actual unicode.c implementations vary much more between server
and client so they're unmoved.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
The unicode glue in smb/*/..uniupr.h has a section guarded
by 'ifndef UNIUPR_NOLOWER' - but that's always
defined in smb/*/..unicode.h. Nuke those tables.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Since older dialects such as CIFS do not support multichannel
the macro CIFS_SERVER_IS_CHAN can be confusing (it requires SMB 3
or later) so shorten its name to "SERVER_IS_CHAN"
Suggested-by: Tom Talpey <tom@talpey.com>
Acked-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
-----BEGIN PGP SIGNATURE-----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=p1bd
-----END PGP SIGNATURE-----
Merge tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
"Pretty quiet round for this release. This contains:
- Add support for zoned storage to ublk (Andreas, Ming)
- Series improving performance for drivers that mark themselves as
needing a blocking context for issue (Bart)
- Cleanup the flush logic (Chengming)
- sed opal keyring support (Greg)
- Fixes and improvements to the integrity support (Jinyoung)
- Add some exports for bcachefs that we can hopefully delete again in
the future (Kent)
- deadline throttling fix (Zhiguo)
- Series allowing building the kernel without buffer_head support
(Christoph)
- Sanitize the bio page adding flow (Christoph)
- Write back cache fixes (Christoph)
- MD updates via Song:
- Fix perf regression for raid0 large sequential writes (Jan)
- Fix split bio iostat for raid0 (David)
- Various raid1 fixes (Heinz, Xueshi)
- raid6test build fixes (WANG)
- Deprecate bitmap file support (Christoph)
- Fix deadlock with md sync thread (Yu)
- Refactor md io accounting (Yu)
- Various non-urgent fixes (Li, Yu, Jack)
- Various fixes and cleanups (Arnd, Azeem, Chengming, Damien, Li,
Ming, Nitesh, Ruan, Tejun, Thomas, Xu)"
* tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux: (113 commits)
block: use strscpy() to instead of strncpy()
block: sed-opal: keyring support for SED keys
block: sed-opal: Implement IOC_OPAL_REVERT_LSP
block: sed-opal: Implement IOC_OPAL_DISCOVERY
blk-mq: prealloc tags when increase tagset nr_hw_queues
blk-mq: delete redundant tagset map update when fallback
blk-mq: fix tags leak when shrink nr_hw_queues
ublk: zoned: support REQ_OP_ZONE_RESET_ALL
md: raid0: account for split bio in iostat accounting
md/raid0: Fix performance regression for large sequential writes
md/raid0: Factor out helper for mapping and submitting a bio
md raid1: allow writebehind to work on any leg device set WriteMostly
md/raid1: hold the barrier until handle_read_error() finishes
md/raid1: free the r1bio before waiting for blocked rdev
md/raid1: call free_r1bio() before allow_barrier() in raid_end_bio_io()
blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init
drivers/rnbd: restore sysfs interface to rnbd-client
md/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()
raid6: test: only check for Altivec if building on powerpc hosts
raid6: test: make sure all intermediate and artifact files are .gitignored
...
Long ago we set out to remove the kitchen sink on kernel/sysctl.c arrays and
placings sysctls to their own sybsystem or file to help avoid merge conflicts.
Matthew Wilcox pointed out though that if we're going to do that we might as
well also *save* space while at it and try to remove the extra last sysctl
entry added at the end of each array, a sentintel, instead of bloating the
kernel by adding a new sentinel with each array moved.
Doing that was not so trivial, and has required slowing down the moves of
kernel/sysctl.c arrays and measuring the impact on size by each new move.
The complex part of the effort to help reduce the size of each sysctl is being
done by the patient work of el señor Don Joel Granados. A lot of this is truly
painful code refactoring and testing and then trying to measure the savings of
each move and removing the sentinels. Although Joel already has code which does
most of this work, experience with sysctl moves in the past shows is we need to
be careful due to the slew of odd build failures that are possible due to the
amount of random Kconfig options sysctls use.
To that end Joel's work is split by first addressing the major housekeeping
needed to remove the sentinels, which is part of this merge request. The rest
of the work to actually remove the sentinels will be done later in future
kernel releases.
At first I was only going to send his first 7 patches of his patch series,
posted 1 month ago, but in retrospect due to the testing the changes have
received in linux-next and the minor changes they make this goes with the
entire set of patches Joel had planned: just sysctl house keeping. There are
networking changes but these are part of the house keeping too.
The preliminary math is showing this will all help reduce the overall build
time size of the kernel and run time memory consumed by the kernel by about
~64 bytes per array where we are able to remove each sentinel in the future.
That also means there is no more bloating the kernel with the extra ~64 bytes
per array moved as no new sentinels are created.
Most of this has been in linux-next for about a month, the last 7 patches took
a minor refresh 2 week ago based on feedback.
-----BEGIN PGP SIGNATURE-----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=sq2p
-----END PGP SIGNATURE-----
Merge tag 'sysctl-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull sysctl updates from Luis Chamberlain:
"Long ago we set out to remove the kitchen sink on kernel/sysctl.c
arrays and placings sysctls to their own sybsystem or file to help
avoid merge conflicts. Matthew Wilcox pointed out though that if we're
going to do that we might as well also *save* space while at it and
try to remove the extra last sysctl entry added at the end of each
array, a sentintel, instead of bloating the kernel by adding a new
sentinel with each array moved.
Doing that was not so trivial, and has required slowing down the moves
of kernel/sysctl.c arrays and measuring the impact on size by each new
move.
The complex part of the effort to help reduce the size of each sysctl
is being done by the patient work of el señor Don Joel Granados. A lot
of this is truly painful code refactoring and testing and then trying
to measure the savings of each move and removing the sentinels.
Although Joel already has code which does most of this work,
experience with sysctl moves in the past shows is we need to be
careful due to the slew of odd build failures that are possible due to
the amount of random Kconfig options sysctls use.
To that end Joel's work is split by first addressing the major
housekeeping needed to remove the sentinels, which is part of this
merge request. The rest of the work to actually remove the sentinels
will be done later in future kernel releases.
The preliminary math is showing this will all help reduce the overall
build time size of the kernel and run time memory consumed by the
kernel by about ~64 bytes per array where we are able to remove each
sentinel in the future. That also means there is no more bloating the
kernel with the extra ~64 bytes per array moved as no new sentinels
are created"
* tag 'sysctl-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
sysctl: Use ctl_table_size as stopping criteria for list macro
sysctl: SIZE_MAX->ARRAY_SIZE in register_net_sysctl
vrf: Update to register_net_sysctl_sz
networking: Update to register_net_sysctl_sz
netfilter: Update to register_net_sysctl_sz
ax.25: Update to register_net_sysctl_sz
sysctl: Add size to register_net_sysctl function
sysctl: Add size arg to __register_sysctl_init
sysctl: Add size to register_sysctl
sysctl: Add a size arg to __register_sysctl_table
sysctl: Add size argument to init_header
sysctl: Add ctl_table_size to ctl_table_header
sysctl: Use ctl_table_header in list_for_each_table_entry
sysctl: Prefer ctl_table_header in proc_sysctl
("refactor Kconfig to consolidate KEXEC and CRASH options").
- kernel.h slimming work from Andy Shevchenko ("kernel.h: Split out a
couple of macros to args.h").
- gdb feature work from Kuan-Ying Lee ("Add GDB memory helper
commands").
- vsprintf inclusion rationalization from Andy Shevchenko
("lib/vsprintf: Rework header inclusions").
- Switch the handling of kdump from a udev scheme to in-kernel handling,
by Eric DeVolder ("crash: Kernel handling of CPU and memory hot
un/plug").
- Many singleton patches to various parts of the tree
-----BEGIN PGP SIGNATURE-----
iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZO2GpAAKCRDdBJ7gKXxA
juW3AQD1moHzlSN6x9I3tjm5TWWNYFoFL8af7wXDJspp/DWH/AD/TO0XlWWhhbYy
QHy7lL0Syha38kKLMXTM+bN6YQHi9AU=
=WJQa
-----END PGP SIGNATURE-----
Merge tag 'mm-nonmm-stable-2023-08-28-22-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
- An extensive rework of kexec and crash Kconfig from Eric DeVolder
("refactor Kconfig to consolidate KEXEC and CRASH options")
- kernel.h slimming work from Andy Shevchenko ("kernel.h: Split out a
couple of macros to args.h")
- gdb feature work from Kuan-Ying Lee ("Add GDB memory helper
commands")
- vsprintf inclusion rationalization from Andy Shevchenko
("lib/vsprintf: Rework header inclusions")
- Switch the handling of kdump from a udev scheme to in-kernel
handling, by Eric DeVolder ("crash: Kernel handling of CPU and memory
hot un/plug")
- Many singleton patches to various parts of the tree
* tag 'mm-nonmm-stable-2023-08-28-22-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (81 commits)
document while_each_thread(), change first_tid() to use for_each_thread()
drivers/char/mem.c: shrink character device's devlist[] array
x86/crash: optimize CPU changes
crash: change crash_prepare_elf64_headers() to for_each_possible_cpu()
crash: hotplug support for kexec_load()
x86/crash: add x86 crash hotplug support
crash: memory and CPU hotplug sysfs attributes
kexec: exclude elfcorehdr from the segment digest
crash: add generic infrastructure for crash hotplug support
crash: move a few code bits to setup support of crash hotplug
kstrtox: consistently use _tolower()
kill do_each_thread()
nilfs2: fix WARNING in mark_buffer_dirty due to discarded buffer reuse
scripts/bloat-o-meter: count weak symbol sizes
treewide: drop CONFIG_EMBEDDED
lockdep: fix static memory detection even more
lib/vsprintf: declare no_hash_pointers in sprintf.h
lib/vsprintf: split out sprintf() and friends
kernel/fork: stop playing lockless games for exe_file replacement
adfs: delete unused "union adfs_dirtail" definition
...
The XDR specification in RFC 8881 looks like this:
struct device_addr4 {
layouttype4 da_layout_type;
opaque da_addr_body<>;
};
struct GETDEVICEINFO4resok {
device_addr4 gdir_device_addr;
bitmap4 gdir_notification;
};
union GETDEVICEINFO4res switch (nfsstat4 gdir_status) {
case NFS4_OK:
GETDEVICEINFO4resok gdir_resok4;
case NFS4ERR_TOOSMALL:
count4 gdir_mincount;
default:
void;
};
Looking at nfsd4_encode_getdeviceinfo() ....
When the client provides a zero gd_maxcount, then the Linux NFS
server implementation encodes the da_layout_type field and then
skips the da_addr_body field completely, proceeding directly to
encode gdir_notification field.
There does not appear to be an option in the specification to skip
encoding da_addr_body. Moreover, Section 18.40.3 says:
> If the client wants to just update or turn off notifications, it
> MAY send a GETDEVICEINFO operation with gdia_maxcount set to zero.
> In that event, if the device ID is valid, the reply's da_addr_body
> field of the gdir_device_addr field will be of zero length.
Since the layout drivers are responsible for encoding the
da_addr_body field, put this fix inside the ->encode_getdeviceinfo
methods.
Fixes: 9cf514ccfa ("nfsd: implement pNFS operations")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Tom Haynes <loghyr@gmail.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
In addition to the benefits of using an enum rather than a set of
macros, we now have a named type that can improve static type
checking of function return values.
As part of this change, I removed a stale comment from svcauth.h;
the return values from current implementations of the
auth_ops::release method are all zero/negative errno, not the SVC_OK
enum values as the old comment suggested.
Suggested-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Most svc threads have no interest in a timeout.
nfsd sets it to 1 hour, but this is a wart of no significance.
lockd uses the timeout so that it can call nlmsvc_retry_blocked().
It also sometimes calls svc_wake_up() to ensure this is called.
So change lockd to be consistent and always use svc_wake_up() to trigger
nlmsvc_retry_blocked() - using a timer instead of a timeout to
svc_recv().
And change svc_recv() to not take a timeout arg.
This makes the sp_threads_timedout counter always zero.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
svc_recv() currently returns a 0 on success or one of two errors:
- -EAGAIN means no message was successfully received
- -EINTR means the thread has been told to stop
Previously nfsd would stop as the result of a signal as well as
following kthread_stop(). In that case the difference was useful: EINTR
means stop unconditionally. EAGAIN means stop if kthread_should_stop(),
continue otherwise.
Now threads only exit when kthread_should_stop() so we don't need the
distinction.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
All callers of svc_recv() go on to call svc_process() on success.
Simplify callers by having svc_recv() do that for them.
This loses one call to validate_process_creds() in nfsd. That was
debugging code added 14 years ago. I don't think we need to keep it.
Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Now that the last nfsd thread is stopped by an explicit act of calling
svc_set_num_threads() with a count of zero, we only have a limited
number of places that can happen, and don't need to call
nfsd_last_thread() in nfsd_put()
So separate that out and call it at the two places where the number of
threads is set to zero.
Move the clearing of ->nfsd_serv and the call to svc_xprt_destroy_all()
into nfsd_last_thread(), as they are really part of the same action.
nfsd_put() is now a thin wrapper around svc_put(), so make it a static
inline.
nfsd_put() cannot be called after nfsd_last_thread(), so in a couple of
places we have to use svc_put() instead.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Previously a thread could exit asynchronously (due to a signal) so some
care was needed to hold nfsd_mutex over the last svc_put() call. Now a
thread can only exit when svc_set_num_threads() is called, and this is
always called under nfsd_mutex. So no care is needed.
Not only is the mutex held when a thread exits now, but the svc refcount
is elevated, so the svc_put() in svc_exit_thread() will never be a final
put, so the mutex isn't even needed at this point in the code.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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>
lockd allows SIGKILL and responds by dropping all locks and restarting
the grace period. This functionality has been present since 2.1.32 when
lockd was added to Linux.
This functionality is undocumented and most likely added as a useful
debug aid. When there is a need to drop locks, the better approach is
to use /proc/fs/nfsd/unlock_*.
This patch removes SIGKILL handling as part of preparation for removing
all signal handling from sunrpc service threads.
Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
clang's static analysis warning: fs/lockd/mon.c: line 293, column 2:
Null pointer passed as 2nd argument to memory copy function.
Assuming 'hostname' is NULL and calling 'nsm_create_handle()', this will
pass NULL as 2nd argument to memory copy function 'memcpy()'. So return
NULL if 'hostname' is invalid.
Fixes: 77a3ef33e2 ("NSM: More clean up of nsm_get_handle()")
Signed-off-by: Su Hui <suhui@nfschina.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Remove kernel-doc warning in exportfs:
fs/exportfs/expfs.c:395: warning: Function parameter or member 'parent'
not described in 'exportfs_encode_inode_fh'
Signed-off-by: Zhu Wang <wangzhu9@huawei.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
A well-formed NFSv4 ACL will always contain OWNER@/GROUP@/EVERYONE@
ACEs, but there is no requirement for inheritable entries for those
entities. POSIX ACLs must always have owner/group/other entries, even for a
default ACL.
nfsd builds the default ACL from inheritable ACEs, but the current code
just leaves any unspecified ACEs zeroed out. The result is that adding a
default user or group ACE to an inode can leave it with unwanted deny
entries.
For instance, a newly created directory with no acl will look something
like this:
# NFSv4 translation by server
A::OWNER@:rwaDxtTcCy
A::GROUP@:rxtcy
A::EVERYONE@:rxtcy
# POSIX ACL of underlying file
user::rwx
group::r-x
other::r-x
...if I then add new v4 ACE:
nfs4_setfacl -a A:fd:1000:rwx /mnt/local/test
...I end up with a result like this today:
user::rwx
user:1000:rwx
group::r-x
mask::rwx
other::r-x
default:user::---
default:user:1000:rwx
default:group::---
default😷:rwx
default:other::---
A::OWNER@:rwaDxtTcCy
A::1000:rwaDxtcy
A::GROUP@:rxtcy
A::EVERYONE@:rxtcy
D:fdi:OWNER@:rwaDx
A:fdi:OWNER@:tTcCy
A:fdi:1000:rwaDxtcy
A:fdi:GROUP@:tcy
A:fdi:EVERYONE@:tcy
...which is not at all expected. Adding a single inheritable allow ACE
should not result in everyone else losing access.
The setfacl command solves a silimar issue by copying owner/group/other
entries from the effective ACL when none of them are set:
"If a Default ACL entry is created, and the Default ACL contains no
owner, owning group, or others entry, a copy of the ACL owner,
owning group, or others entry is added to the Default ACL.
Having nfsd do the same provides a more sane result (with no deny ACEs
in the resulting set):
user::rwx
user:1000:rwx
group::r-x
mask::rwx
other::r-x
default:user::rwx
default:user:1000:rwx
default:group::r-x
default😷:rwx
default:other::r-x
A::OWNER@:rwaDxtTcCy
A::1000:rwaDxtcy
A::GROUP@:rxtcy
A::EVERYONE@:rxtcy
A:fdi:OWNER@:rwaDxtTcCy
A:fdi:1000:rwaDxtcy
A:fdi:GROUP@:rxtcy
A:fdi:EVERYONE@:rxtcy
Reported-by: Ondrej Valousek <ondrej.valousek@diasemi.com>
Closes: https://bugzilla.redhat.com/show_bug.cgi?id=2136452
Suggested-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This patch fixes races when lockd accesses the global nlm_blocked list.
It was mostly safe to access the list because everything was accessed
from the lockd kernel thread context but there exist cases like
nlmsvc_grant_deferred() that could manipulate the nlm_blocked list and
it can be called from any context.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
In the event that we can't fetch post_op_attr attributes, we still need
to set a value for the after_change. The operation has already happened,
so we're not able to return an error at that point, but we do want to
ensure that the client knows that its cache should be invalidated.
If we weren't able to fetch post-op attrs, then just set the
after_change to before_change + 1. The atomic flag should already be
clear in this case.
Suggested-by: Neil Brown <neilb@suse.de>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
At one time, nfsd would scrape inode information directly out of struct
inode in order to populate the change_info4. At that time, the BUG_ON in
set_change_info made some sense, since having it unset meant a coding
error.
More recently, it calls vfs_getattr to get this information, which can
fail. If that fails, fh_pre_saved can end up not being set. While this
situation is unfortunate, we don't need to crash the box.
Move set_change_info to nfs4proc.c since all of the callers are there.
Revise the condition for setting "atomic" to also check for
fh_pre_saved. Drop the BUG_ON and just have it zero out both
change_attr4s when this occurs.
Reported-by: Boyang Xue <bxue@redhat.com>
Closes: https://bugzilla.redhat.com/show_bug.cgi?id=2223560
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Collecting pre_op_attrs can fail, in which case it's probably best to
fail the whole operation.
Change fh_fill_pre_attrs and fh_fill_both_attrs to return __be32, and
have the callers check the return code and abort the operation if it's
not nfs_ok.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
I got this today from modpost:
WARNING: modpost: missing MODULE_DESCRIPTION() in fs/nfsd/nfsd.o
Add a module description.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
The svc_ prefix is identified with the SunRPC layer. Although the
duplicate reply cache caches RPC replies, it is only for the NFS
protocol. Rename the struct to better reflect its purpose.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Over time I'd like to see NFS-specific fields moved out of struct
svc_rqst, which is an RPC layer object. These fields are layering
violations.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Avoid holding the bucket lock while freeing cache entries. This
change also caps the number of entries that are freed when the
shrinker calls to reduce the shrinker's impact on the cache's
effectiveness.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Enable nfsd_prune_bucket() to drop the bucket lock while calling
kfree(). Use the same pattern that Jeff recently introduced in the
NFSD filecache.
A few percpu operations are moved outside the lock since they
temporarily disable local IRQs which is expensive and does not
need to be done while the lock is held.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
To reduce contention on the bucket locks, we must avoid calling
kfree() while each bucket lock is held.
Start by refactoring nfsd_reply_cache_free_locked() into a helper
that removes an entry from the bucket (and must therefore run under
the lock) and a second helper that frees the entry (which does not
need to hold the lock).
For readability, rename the helpers nfsd_cacherep_<verb>.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This patch grants write delegations for OPEN with NFS4_SHARE_ACCESS_WRITE
if there is no conflict with other OPENs.
Write delegation conflicts with another OPEN, REMOVE, RENAME and SETATTR
are handled the same as read delegation using notify_change,
try_break_deleg.
The NFSv4.0 protocol does not enable a server to determine that a
conflicting GETATTR originated from the client holding the
delegation versus coming from some other client. With NFSv4.1 and
later, the SEQUENCE operation that begins each COMPOUND contains a
client ID, so delegation recall can be safely squelched in this case.
With NFSv4.0, however, the server must recall or send a CB_GETATTR
(per RFC 7530 Section 16.7.5) even when the GETATTR originates from
the client holding that delegation.
An NFSv4.0 client can trigger a pathological situation if it always
sends a DELEGRETURN preceded by a conflicting GETATTR in the same
COMPOUND. COMPOUND execution will always stop at the GETATTR and the
DELEGRETURN will never get executed. The server eventually revokes
the delegation, which can result in loss of open or lock state.
Tracepoint added to track whether read or write delegation is granted.
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
