VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

‎ More than 9999 Commits   32 Branches   54 Tags
Index
Trunk
Branches
Tags
Trunk
Branches
Tags
Home page
Home page
starfive-tech/linux.git/branches/beaglev-5.13.y/fs/nfs/
Date
Commit Message
Rev
Author
2021-07-20
NFSv4/pNFS: Don't call _nfs4_pnfs_v3_ds_connect multiple times
a5d39139
Trond Myklebust
2021-07-20
NFSv4/pnfs: Fix layoutget behaviour after invalidation
a43389b7
Trond Myklebust
2021-07-20
NFSv4/pnfs: Fix the layout barrier update
f90295b4
Trond Myklebust
2021-07-20
NFS: Fix fscache read from NFS after cache error
65d105e0
Dave Wysochanski
2021-07-20
NFS: Ensure nfs_readpage returns promptly when internal error occurs
9d94a3f2
Dave Wysochanski
2021-07-20
nfs: update has_sec_mnt_opts after cloning lsm options from parent
e882298f
Scott Mayhew
2021-07-20
nfs: fix acl memory leak of posix_acl_create()
687cf328
Gao Xiang
2021-07-20
NFSv4: Fix an Oops in pnfs_mark_request_commit() when doing O_DIRECT
7aec9f86
Trond Myklebust
2021-07-20
NFSv4: Initialise connection to the server in nfs4_alloc_client()
b0bfac93
Trond Myklebust
2021-07-20
NFS: nfs_find_open_context() may only select open files
c11910b2
Trond Myklebust
2021-07-20
NFSv4: Fix handling of non-atomic change attrbute updates
cdc00734
Trond Myklebust
2021-07-20
NFS: Fix up inode attribute revalidation timeouts
357d8812
Trond Myklebust
2021-07-20
NFSv4: Fix delegation return in cases where we have to retry
9f397e9e
Trond Myklebust
2021-06-03
NFSv4: Fix second deadlock in nfs4_evict_inode()
c3aba897
Trond Myklebust
2021-06-03
NFSv4: Fix deadlock between nfs4_evict_inode() and nfs4_opendata_get_inode()
dfe1fe75
Trond Myklebust
2021-06-03
NFS: FMODE_READ and friends are C macros, not enum types
d1b5c230
Chuck Lever
2021-06-03
NFS: Fix a potential NULL dereference in nfs_get_client()
09226e83
Dan Carpenter
2021-06-03
NFS: Fix use-after-free in nfs4_init_client()
476bdb04
Anna Schumaker
2021-06-03
NFS: Ensure the NFS_CAP_SECURITY_LABEL capability is set when appropriate
0b4f132b
Scott Mayhew
2021-06-01
NFSv4: nfs4_proc_set_acl needs to restore NFS_CAP_UIDGID_NOMAP on error.
f8849e20
Dai Ngo
2021-05-27
nfs: Remove trailing semicolon in macros
a799b68a
Huilong Deng
2021-05-27
NFSv4: Fix v4.0/v4.1 SEEK_DATA return -ENOTSUPP when set NFS_V4_2 config
e67afa7e
Zhang Xiaoxu
2021-05-26
NFS: Clean up reset of the mirror accounting variables
70536bf4
Trond Myklebust
2021-05-26
NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()
0d0ea309
Trond Myklebust
2021-05-26
NFS: Fix an Oopsable condition in __nfs_pageio_add_request()
56517ab9
Trond Myklebust
2021-05-20
NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()
a421d218
Anna Schumaker
2021-05-20
pNFS/NFSv4: Remove redundant initialization of 'rd_size'
d1d97395
Yang Li
2021-05-20
NFS: fix an incorrect limit in filelayout_decode_layout()
769b01ea
Dan Carpenter
2021-05-20
fs/nfs: Use fatal_signal_pending instead of signal_pending
bb002388
zhouchuangao
2021-05-07
Merge tag 'nfs-for-5.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
a647034f
Linus Torvalds
2021-05-07
treewide: remove editor modelines and cruft
fa60ce2c
Masahiro Yamada
2021-04-27
Merge tag 'selinux-pr-20210426' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
f1c921fb
Linus Torvalds
2021-04-27
Merge branch 'work.inode-type-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
d1466bc5
Linus Torvalds
2021-04-26
NFSv4.2: Remove ifdef CONFIG_NFSD from NFSv4.2 client SSC code.
d9092b4b
Dai Ngo
2021-04-18
NFSv4.1: Simplify layout return in pnfs_layout_process()
fb700ef0
Trond Myklebust
2021-04-18
NFSv4: Don't discard segments marked for return in _pnfs_return_layout()
de144ff4
Trond Myklebust
2021-04-16
NFS: Don't discard pNFS layout segments that are marked for return
39fd0186
Trond Myklebust
2021-04-16
NFSv4.x: Don't return NFS4ERR_NOMATCHING_LAYOUT if we're unmounting
8926cc83
Trond Myklebust
2021-04-14
NFSv42: Don't force attribute revalidation of the copy offload source
febfeaae
Trond Myklebust
2021-04-14
NFSv42: Copy offload should update the file size when appropriate
94d202d5
Trond Myklebust
2021-04-14
NFSv4.2 fix handling of sr_eof in SEEK's reply
73f5c88f
Olga Kornievskaia
2021-04-14
pNFS/flexfiles: fix incorrect size check in decode_nfs_fh()
ed34695e
Nikola Livic
2021-04-14
NFSv4: Catch and trace server filehandle encoding errors
eb3d58c6
Trond Myklebust
2021-04-14
NFSv4: Convert nfs_xdr_status tracepoint to an event class
3d66bae1
Trond Myklebust
2021-04-14
NFSv4: Add tracing for COMPOUND errors
da934ae0
Trond Myklebust
2021-04-14
NFS: Split attribute support out from the server capabilities
ce62b114
Trond Myklebust
2021-04-14
NFS: Don't store NFS_INO_REVAL_FORCED
cc7f2dae
Trond Myklebust
2021-04-14
NFSv4: link must update the inode nlink.
1301e421
Trond Myklebust
2021-04-14
NFSv4: nfs4_inc/dec_nlink_locked should also invalidate ctime
82eae5a4
Trond Myklebust
2021-04-13
NFS: Another inode revalidation improvement
7b24dacf
Trond Myklebust
2021-04-13
NFS: Use information about the change attribute to optimise updates
6f9be83d
Trond Myklebust
2021-04-13
NFSv4: Add support for the NFSv4.2 "change_attr_type" attribute
7f08a335
Trond Myklebust
2021-04-13
NFSv4: Don't modify the change attribute cached in the inode
993e2d4b
Trond Myklebust
2021-04-13
NFSv4: Fix value of decode_fsinfo_maxsz
57a789a1
Trond Myklebust
2021-04-13
NFS: Simplify cache consistency in nfs_check_inode_attributes()
04c63498
Trond Myklebust
2021-04-13
NFS: Remove a line of code that has no effect in nfs_update_inode()
c88c696c
Trond Myklebust
2021-04-13
NFS: Fix up handling of outstanding layoutcommit in nfs_update_inode()
709fa576
Trond Myklebust
2021-04-13
NFS: Separate tracking of file mode cache validity from the uid/gid
720869eb
Trond Myklebust
2021-04-13
NFS: Separate tracking of file nlinks cache validity from the mode/uid/gid
fabf2b34
Trond Myklebust
2021-04-13
NFSv4: Fix nfs4_bitmap_copy_adjust()
a71029b8
Trond Myklebust
2021-04-12
NFS: Don't set NFS_INO_REVAL_PAGECACHE in the inode cache validity
36a9346c
Trond Myklebust
2021-04-12
NFS: Replace use of NFS_INO_REVAL_PAGECACHE when checking cache validity
13c0b082
Trond Myklebust
2021-04-12
NFS: Add a cache validity flag argument to nfs_revalidate_inode()
1f3208b2
Trond Myklebust
2021-04-12
NFS: nfs_setattr_update_inode() should clear the suid/sgid bits
1f9f4328
Trond Myklebust
2021-04-12
NFS: Fix up statx() results
63cdd7ed
Trond Myklebust
2021-04-12
NFS: Don't revalidate attributes that are not being asked for
e8764a6f
Trond Myklebust
2021-04-12
NFS: Fix up revalidation of space used
4cdfeb64
Trond Myklebust
2021-04-12
NFS: NFS_INO_REVAL_PAGECACHE should mark the change attribute invalid
50c7a799
Trond Myklebust
2021-04-12
NFS: Mask out unsupported attributes in nfs_getattr()
4eb6a823
Trond Myklebust
2021-04-12
NFS: Fix up inode cache tracing
8a27c7cc
Trond Myklebust
2021-04-12
NFS: Deal correctly with attribute generation counter overflow
9fdbfad1
Trond Myklebust
2021-04-12
NFSv4.2: Always flush out writes in nfs42_proc_fallocate()
99f23783
Trond Myklebust
2021-04-12
NFS: Fix attribute bitmask in _nfs42_proc_fallocate()
e99812e1
Trond Myklebust
2021-04-12
NFS: nfs4_bitmask_adjust() must not change the server global bitmasks
332d1a03
Trond Myklebust
2021-04-05
NFS: Fix fscache invalidation in nfs_set_cache_invalid()
beab450d
Trond Myklebust
2021-04-05
NFS: fix nfs_fetch_iversion()
b876d708
Trond Myklebust
2021-04-05
nfs: hornor timeo and retrans option when mounting NFSv3
c9301cb3
Eryu Guan
2021-04-05
NFS: Fix up the support for CONFIG_NFS_DISABLE_UDP_SUPPORT
90ff57bf
Trond Myklebust
2021-04-05
nfs: Fix a typo in the file nfs42xattr.c
c2508730
Bhaskar Chowdhury
2021-04-05
NFS: fs_context: validate UDP retrans to prevent shift out-of-bounds
c09f11ef
Randy Dunlap
2021-04-05
NFS: Only change the cookie verifier if the directory page cache is empty
f892c41c
Trond Myklebust
2021-04-05
NFS: Fix handling of cookie verifier in uncached_readdir()
13884ff2
Trond Myklebust
2021-04-05
nfs: Subsequent READDIR calls should carry non-zero cookieverifier
ee3707ae
Nagendra S Tomar
2021-04-05
NFS: Fix up incorrect documentation
6453bcd0
Trond Myklebust
2021-04-05
NFSv4: Simplify nfs4_retry_setlk()
86438186
Trond Myklebust
2021-03-22
nfs: account for selinux security context when deciding to share superblock
ec1ade6a
Olga Kornievskaia
2021-03-22
nfs: remove unneeded null check in nfs_fill_super()
8c6d76a3
Olga Kornievskaia
2021-03-11
nfs: we don't support removing system.nfs4_acl
4f8be1f5
J. Bruce Fields
2021-03-09
NFSv4.2: fix return value of _nfs4_get_security_label()
53cb2454
Ondrej Mosnacek
2021-03-08
NFS: Fix open coded versions of nfs_set_cache_invalid() in NFSv4
b6f80a2e
Trond Myklebust
2021-03-08
NFS: Fix open coded versions of nfs_set_cache_invalid()
ac46b3d7
Trond Myklebust
2021-03-08
NFS: Clean up function nfs_mark_dir_for_revalidate()
fd6d3fee
Trond Myklebust
2021-03-08
NFS: Don't gratuitously clear the inode cache when lookup failed
47397915
Trond Myklebust
2021-03-08
NFS: Don't revalidate the directory permissions on a lookup failure
82e7ca13
Trond Myklebust
2021-03-08
NFS: Correct size calculation for create reply length
ad3dbe35
Frank Sorenson
2021-03-08
nfs: fix PNFS_FLEXFILE_LAYOUT Kconfig default
a0590473
Timo Rothenpieler
2021-03-08
new helper: inode_wrong_type()
6e3e2c43
Al Viro
2021-02-28
Merge tag 'block-5.12-2021-02-27' of git://git.kernel.dk/linux-block
3ab6608e
Linus Torvalds
2021-02-26
block: Add bio_max_segs
5f7136db
Matthew Wilcox (Oracle)
2021-02-26
Merge tag 'nfs-for-5.12-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
1c9077cd
Linus Torvalds
2021-02-23
Merge tag 'idmapped-mounts-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
7d6beb71
Linus Torvalds
2021-02-21
Merge tag 'for-5.12/block-2021-02-17' of git://git.kernel.dk/linux-block
582cd91f
Linus Torvalds
2021-02-21
Merge tag 'nfsd-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
99f1a587
Linus Torvalds
2021-02-17
NFS: Support the '-owrite=' option in /proc/self/mounts and mountinfo
7ae017c7
Trond Myklebust
2021-02-16
NFS: Set the stable writes flag when initialising the super block
6c17260c
Trond Myklebust
2021-02-16
NFS: Add mount options supporting eager writes
a0492339
Trond Myklebust
2021-02-16
NFS: Add support for eager writes
ed7bcdb3
Trond Myklebust
2021-02-09
NFS: Don't set NFS_INO_INVALID_XATTR if there is no xattr cache
848fdd62
Trond Myklebust
2021-02-08
NFS: Always clear an invalid mapping when attempting a buffered write
28aa2f9e
Trond Myklebust
2021-02-08
NFS: Optimise sparse writes past the end of file
fc9dc401
Trond Myklebust
2021-02-08
NFS: Fix documenting comment for nfs_revalidate_file_size()
37eaeed1
Trond Myklebust
2021-02-08
NFSv4: Fixes for nfs4_bitmask_adjust()
45901a23
Trond Myklebust
2021-02-01
NFS: Add nfs_pageio_complete_read() and remove nfs_readpage_async()
1e83b173
Dave Wysochanski
2021-02-01
NFS: Call readpage_async_filler() from nfs_readpage_async()
0c119e3a
Dave Wysochanski
2021-02-01
NFS: Refactor nfs_readpage() and nfs_readpage_async() to use nfs_readdesc
1af7e7f8
Dave Wysochanski
2021-02-01
NFS: In nfs_readpage() only increment NFSIOS_READPAGES when read succeeds
6ddfd213
Dave Wysochanski
2021-02-01
NFS: Clean up nfs_readpage() and nfs_readpages()
49dee700
Dave Wysochanski
2021-02-01
nfs: Fix fall-through warnings for Clang
ffb81717
Gustavo A. R. Silva
2021-02-01
fs/nfs: remove duplicate include
c0da04ae
Menglong Dong
2021-01-30
nfs: use change attribute for NFS re-exports
3cc55f44
J. Bruce Fields
2021-01-28
NFSv4_2: SSC helper should use its own config.
02591f9f
Dai Ngo
2021-01-27
nfs/blocklayout: remove cruft in bl_alloc_init_bio
6808f7af
Christoph Hellwig
2021-01-25
SUNRPC: Make trace_svc_process() display the RPC procedure symbolically
2289e87b
Chuck Lever
2021-01-24
pNFS/NFSv4: Improve rejection of out-of-order layouts
d29b468d
Trond Myklebust
2021-01-24
pNFS/NFSv4: Update the layout barrier when we schedule a layoutreturn
1bcf34fd
Trond Myklebust
2021-01-24
pNFS/NFSv4: Try to return invalid layout in pnfs_layout_process()
08bd8dbe
Trond Myklebust
2021-01-24
pNFS/NFSv4: Fix a layout segment leak in pnfs_layout_process()
814b8497
Trond Myklebust
2021-01-24
fs: make helpers idmap mount aware
549c7297
Christian Brauner
2021-01-24
stat: handle idmapped mounts
0d56a451
Christian Brauner
2021-01-24
acl: handle idmapped mounts
e65ce2a5
Christian Brauner
2021-01-24
namei: make permission helpers idmapped mount aware
47291baa
Christian Brauner
2021-01-10
NFS: nfs_igrab_and_active must first reference the superblock
896567ee
Trond Myklebust
2021-01-10
NFS: nfs_delegation_find_inode_server must first reference the superblock
113aac6d
Trond Myklebust
2021-01-10
NFS/pNFS: Fix a leak of the layout 'plh_outstanding' counter
cb2856c5
Trond Myklebust
2021-01-10
NFS/pNFS: Don't leak DS commits in pnfs_generic_retry_commit()
46c9ea1d
Trond Myklebust
2021-01-10
NFS/pNFS: Don't call pnfs_free_bucket_lseg() before removing the request
1757655d
Trond Myklebust
2021-01-10
pNFS: Stricter ordering of layoutget and layoutreturn
2c8d5fc3
Trond Myklebust
2021-01-10
pNFS: Clean up pnfs_layoutreturn_free_lsegs()
c18d1e17
Trond Myklebust
2021-01-10
pNFS: We want return-on-close to complete when evicting the inode
078000d0
Trond Myklebust
2021-01-10
pNFS: Mark layout for return if return-on-close was not sent
67bbceed
Trond Myklebust
2021-01-10
NFS: Adjust fs_context error logging
c98e9daa
Scott Mayhew
2021-01-06
NFS4: Fix use-after-free in trace_event_raw_event_nfs4_set_lock
3d1a90ab
Dave Wysochanski
2020-12-17
Merge tag 'nfs-for-5.11-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
74f602dc
Linus Torvalds
2020-12-16
NFS/pNFS: Fix a typo in ff_layout_resend_pnfs_read()
52104f27
Trond Myklebust
2020-12-16
pNFS/flexfiles: Avoid spurious layout returns in ff_layout_choose_ds_for_read
9bfffea3
Trond Myklebust
2020-12-16
NFSv4/pnfs: Add tracing for the deviceid cache
cac1d3a2
Trond Myklebust
2020-12-16
NFSv4.2: fix error return on memory allocation failure
7be9b38a
Colin Ian King
2020-12-15
Merge branch 'akpm' (patches from Andrew)
f986e350
Linus Torvalds
2020-12-15
kernel.h: split out mathematical helpers
aa6159ab
Andy Shevchenko
2020-12-15
Merge tag 'nfsd-5.11' of git://git.linux-nfs.org/projects/cel/cel-2.6
1a50ede2
Linus Torvalds
2020-12-14
NFSv4.2/pnfs: Don't use READ_PLUS with pNFS yet
5c3485bb
Trond Myklebust
2020-12-14
NFSv4.2: Deal with potential READ_PLUS data extent buffer overflow
7aedc687
Trond Myklebust
2020-12-14
NFSv4.2: Don't error when exiting early on a READ_PLUS buffer overflow
503b934a
Trond Myklebust
2020-12-14
NFSv4.2: Handle hole lengths that exceed the READ_PLUS read buffer
dac3b105
Trond Myklebust
2020-12-14
NFSv4.2: decode_read_plus_hole() needs to check the extent offset
82f98c8b
Trond Myklebust
2020-12-14
NFSv4.2: decode_read_plus_data() must skip padding after data segment
5c4afe2a
Trond Myklebust
2020-12-14
NFSv4.2: Ensure we always reset the result->count in decode_read_plus()
1ee63101
Trond Myklebust
2020-12-14
NFSv4.1: use BITS_PER_LONG macro in nfs4session.h
1f70ea70
Geliang Tang
2020-12-14
NFSv4.2: improve page handling for GETXATTR
a1f26739
Frank van der Linden
2020-12-10
NFS: Disable READ_PLUS by default
21e31401
Anna Schumaker
2020-12-10
NFSv4.2: Fix 5 seconds delay when doing inter server copy
fe8eb820
Dai Ngo
2020-12-10
NFS: Fix rpcrdma_inline_fixup() crash with new LISTXATTRS operation
1c87b851
Chuck Lever
2020-12-10
NFSv4.2: Fix up the get/listxattr calls to rpc_prepare_reply_pages()
fa94a951
Trond Myklebust
2020-12-09
nfsd: Record NFSv4 pre/post-op attributes as non-atomic
716a8bc7
Trond Myklebust
2020-12-09
nfsd: Set PF_LOCAL_THROTTLE on local filesystems only
01cbf385
Trond Myklebust
2020-12-09
nfsd: close cached files prior to a REMOVE or RENAME that would replace target
7f84b488
Jeff Layton
2020-12-09
nfsd: allow filesystems to opt out of subtree checking
ba5e8187
Jeff Layton
2020-12-09
nfsd: add a new EXPORT_OP_NOWCC flag to struct export_operations
daab110e
Jeff Layton
2020-12-02
NFS: switch nfsiod to be an UNBOUND workqueue.
bf701b76
NeilBrown
2020-12-02
NFSv4: Refactor to use user namespaces for nfs4idmap
d3ff46fe
Sargun Dhillon
2020-12-02
NFS: NFSv2/NFSv3: Use cred from fs_context during mount
d18a9d3f
Sargun Dhillon
2020-12-02
NFSv4: Fix a pNFS layout related use-after-free race when freeing the inode
b6d49ecd
Trond Myklebust
2020-12-02
NFSv4: Fix open coded xdr_stream_remaining()
17068466
Trond Myklebust
2020-12-02
SUNRPC: Clean up the handling of page padding in rpc_prepare_reply_pages()
9ed5af26
Trond Myklebust
2020-12-02
NFSv4: Fix the alignment of page data in the getdeviceinfo reply
046e5ccb
Trond Myklebust
2020-12-02
pNFS: Clean up open coded xdr string decoding
98899813
Trond Myklebust
2020-12-02
pNFS/flexfiles: Fix up layoutstats reporting for non-TCP transports
9a701631
Trond Myklebust
2020-12-02
NFSv4/pNFS: Store the transport type in struct nfs4_pnfs_ds_addr
4be78d26
Trond Myklebust
2020-12-02
pNFS: Add helpers for allocation/free of struct nfs4_pnfs_ds_addr
190c75a3
Trond Myklebust
2020-12-02
NFSv4/pNFS: Use connections to a DS that are all of the same protocol family
a12f996d
Trond Myklebust
2020-12-02
NFS: Switch mount code to use xprt_find_transport_ident()
1c3695d0
Trond Myklebust
2020-12-02
NFS: Do uncached readdir when we're seeking a cookie in an empty page cache
794092c5
Trond Myklebust
2020-12-02
NFS: Reduce number of RPC calls when doing uncached readdir
35df59d3
Trond Myklebust
2020-12-02
NFS: Optimisations for monotonically increasing readdir cookies
762567b7
Trond Myklebust
2020-12-02
NFS: Improve handling of directory verifiers
b593c09f
Trond Myklebust
2020-12-02
NFS: Handle NFS4ERR_NOT_SAME and NFSERR_BADCOOKIE from readdir calls
9fff59ed
Trond Myklebust
2020-12-02
NFS: Allow the NFS generic code to pass in a verifier to readdir
82e22a5e
Trond Myklebust
2020-12-02
NFS: Cleanup to remove nfs_readdir_descriptor_t typedef
6c981eff
Trond Myklebust
2020-12-02
NFS: Reduce readdir stack usage
6b75cf9e
Trond Myklebust
2020-12-02
NFS: nfs_do_filldir() does not return a value
dbeaf8c9
Trond Myklebust
2020-12-02
NFS: More readdir cleanups
93b8959a
Trond Myklebust
2020-12-02
NFS: Support larger readdir buffers
1a34c8c9
Trond Myklebust
2020-12-02
NFS: Simplify struct nfs_cache_array_entry
a52a8a6a
Trond Myklebust
2020-12-02
NFS: Replace kmap() with kmap_atomic() in nfs_readdir_search_array()
ed09222d
Trond Myklebust
2020-12-02
NFS: Remove unnecessary kmap in nfs_readdir_xdr_to_array()
e762a639
Trond Myklebust
2020-12-02
NFS: Don't discard readdir results
3b2a09f1
Trond Myklebust
2020-12-02
NFS: Clean up directory array handling
1f1d4aa4
Trond Myklebust
2020-12-02
NFS: Clean up nfs_readdir_page_filler()
972bcdf2
Trond Myklebust
2020-12-02
NFS: Clean up readdir struct nfs_cache_array
b1e21c97
Trond Myklebust
2020-12-02
NFS: Ensure contents of struct nfs_open_dir_context are consistent
2e7a4641
Trond Myklebust
Next  ≫
cGit-ui™ 0.1.7
Git™ 2.40.0
Nginx™ 1.22.1

Where any material of this site is being reproduced, published or issued to others the reference to the source is obligatory.

© Andrey V. Kosteltsev, 2019 – 2024.