Fwd: [GIT PULL 5.10.y] NFSD filecache fixes

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Resend: Corrected email address for stable


> Begin forwarded message:
> 
> From: Chuck Lever <chuck.lever@xxxxxxxxxx>
> Subject: [GIT PULL 5.10.y] NFSD filecache fixes
> Date: June 17, 2024 at 3:30:59 PM EDT
> To: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Sasha Levin <sashal@xxxxxxxxxx>
> Cc: linux-nfs@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxxxxxxxxx
> 
> Hi Greg, Sasha-
> 
> Here is a backport of nearly every NFSD patch from v5.11 until
> v6.3, plus subsequent fixes, onto LTS v5.10.219. This addresses
> the many NFSD filecache-related scalability problems in v5.10's
> NFSD. This also contains fixes for issues found in the v5.15
> NFSD backport over the past several months.
> 
> I've run this kernel through the usual upstream CI testing for
> NFSD, and it seems solid.
> 
> In lieu of sending an mbox containing all of these patches, here's
> a pull request that gives you the co-ordinates for the full series
> enabling you to handle the merge however you prefer.
> 
> 
> --- cut here ---
> 
> The following changes since commit a2ed1606213906ac22fd66bebb34b88f8e24224b:
> 
>  Linux 5.10.219 (2024-06-16 13:32:37 +0200)
> 
> are available in the Git repository at:
> 
>  https://git.kernel.org/pub/scm/linux/kernel/git/cel/linux.git nfsd-5.10.y
> 
> for you to fetch changes up to 297ad218672e7f8d6e1f6af048c42a42760f56b1:
> 
>  nfsd: Fix a regression in nfsd_setattr() (2024-06-17 09:49:21 -0400)
> 
> ----------------------------------------------------------------
> Al Viro (2):
>      nfsd_splice_actor(): handle compound pages
>      fs/notify: constify path
> 
> Alex Shi (1):
>      nfsd/nfs3: remove unused macro nfsd3_fhandleres
> 
> Amir Goldstein (52):
>      nfsd: remove unused stats counters
>      nfsd: protect concurrent access to nfsd stats counters
>      nfsd: report per-export stats
>      fsnotify: allow fsnotify_{peek,remove}_first_event with empty queue
>      fanotify: reduce event objectid to 29-bit hash
>      fanotify: mix event info and pid into merge key hash
>      fsnotify: use hash table for faster events merge
>      fanotify: limit number of event merge attempts
>      fanotify: configurable limits via sysfs
>      fanotify: support limited functionality for unprivileged users
>      fanotify: fix permission model of unprivileged group
>      fsnotify: replace igrab() with ihold() on attach connector
>      fsnotify: count s_fsnotify_inode_refs for attached connectors
>      fsnotify: count all objects with attached connectors
>      fsnotify: optimize the case of no marks of any type
>      fsnotify: fix sb_connectors leak
>      fsnotify: pass data_type to fsnotify_name()
>      fsnotify: pass dentry instead of inode data
>      fsnotify: clarify contract for create event hooks
>      fsnotify: clarify object type argument
>      fsnotify: separate mark iterator type from object type enum
>      fanotify: introduce group flag FAN_REPORT_TARGET_FID
>      fsnotify: generate FS_RENAME event with rich information
>      fanotify: use macros to get the offset to fanotify_info buffer
>      fanotify: use helpers to parcel fanotify_info buffer
>      fanotify: support secondary dir fh and name in fanotify_info
>      fanotify: record old and new parent and name in FAN_RENAME event
>      fanotify: record either old name new name or both for FAN_RENAME
>      fanotify: report old and/or new parent+name in FAN_RENAME event
>      fanotify: wire up FAN_RENAME event
>      fsnotify: fix merge with parent's ignored mask
>      fsnotify: optimize FS_MODIFY events with no ignored masks
>      fanotify: do not allow setting dirent events in mask of non-dir
>      inotify: move control flags from mask to mark flags
>      fsnotify: pass flags argument to fsnotify_alloc_group()
>      fsnotify: make allow_dups a property of the group
>      fsnotify: create helpers for group mark_mutex lock
>      inotify: use fsnotify group lock helpers
>      nfsd: use fsnotify group lock helpers
>      dnotify: use fsnotify group lock helpers
>      fsnotify: allow adding an inode mark without pinning inode
>      fanotify: create helper fanotify_mark_user_flags()
>      fanotify: factor out helper fanotify_mark_update_flags()
>      fanotify: implement "evictable" inode marks
>      fanotify: use fsnotify group lock helpers
>      fanotify: enable "evictable" inode marks
>      fsnotify: introduce mark type iterator
>      fsnotify: consistent behavior for parent not watching children
>      fanotify: refine the validation checks on non-dir inode mask
>      fanotify: prepare for setting event flags in ignore mask
>      fanotify: cleanups for fanotify_mark() input validations
>      fanotify: introduce FAN_MARK_IGNORE
> 
> Anna Schumaker (1):
>      NFSD: Simplify READ_PLUS
> 
> Bang Li (1):
>      fsnotify: remove redundant parameter judgment
> 
> Benjamin Coddington (1):
>      NLM: Defend against file_lock changes after vfs_test_lock()
> 
> Brian Foster (1):
>      NFSD: pass range end to vfs_fsync_range() instead of count
> 
> Changcheng Deng (1):
>      NFSD:fix boolreturn.cocci warning
> 
> ChenXiaoSong (5):
>      nfsd: use DEFINE_PROC_SHOW_ATTRIBUTE to define nfsd_proc_ops
>      nfsd: use DEFINE_SHOW_ATTRIBUTE to define export_features_fops and supported_enctypes_fops
>      nfsd: use DEFINE_SHOW_ATTRIBUTE to define client_info_fops
>      nfsd: use DEFINE_SHOW_ATTRIBUTE to define nfsd_reply_cache_stats_fops
>      nfsd: use DEFINE_SHOW_ATTRIBUTE to define nfsd_file_cache_stats_fops
> 
> Christian Brauner (3):
>      fs: add file and path permissions helpers
>      namei: introduce struct renamedata
>      fanotify_user: use upper_32_bits() to verify mask
> 
> Christoph Hellwig (4):
>      module: unexport find_module and module_mutex
>      module: use RCU to synchronize find_module
>      kallsyms: refactor {,module_}kallsyms_on_each_symbol
>      kallsyms: only build {,module_}kallsyms_on_each_symbol when required
> 
> Christophe JAILLET (2):
>      nfsd: Avoid some useless tests
>      nfsd: Propagate some error code returned by memdup_user()
> 
> Chuck Lever (409):
>      SUNRPC: Rename svc_encode_read_payload()
>      NFSD: Invoke svc_encode_result_payload() in "read" NFSD encoders
>      NFSD: Clean up the show_nf_may macro
>      NFSD: Remove extra "0x" in tracepoint format specifier
>      NFSD: Add SPDX header for fs/nfsd/trace.c
>      SUNRPC: Add xdr_set_scratch_page() and xdr_reset_scratch_buffer()
>      SUNRPC: Prepare for xdr_stream-style decoding on the server-side
>      NFSD: Add common helpers to decode void args and encode void results
>      NFSD: Add tracepoints in nfsd_dispatch()
>      NFSD: Add tracepoints in nfsd4_decode/encode_compound()
>      NFSD: Replace the internals of the READ_BUF() macro
>      NFSD: Replace READ* macros in nfsd4_decode_access()
>      NFSD: Replace READ* macros in nfsd4_decode_close()
>      NFSD: Replace READ* macros in nfsd4_decode_commit()
>      NFSD: Change the way the expected length of a fattr4 is checked
>      NFSD: Replace READ* macros that decode the fattr4 size attribute
>      NFSD: Replace READ* macros that decode the fattr4 acl attribute
>      NFSD: Replace READ* macros that decode the fattr4 mode attribute
>      NFSD: Replace READ* macros that decode the fattr4 owner attribute
>      NFSD: Replace READ* macros that decode the fattr4 owner_group attribute
>      NFSD: Replace READ* macros that decode the fattr4 time_set attributes
>      NFSD: Replace READ* macros that decode the fattr4 security label attribute
>      NFSD: Replace READ* macros that decode the fattr4 umask attribute
>      NFSD: Replace READ* macros in nfsd4_decode_fattr()
>      NFSD: Replace READ* macros in nfsd4_decode_create()
>      NFSD: Replace READ* macros in nfsd4_decode_delegreturn()
>      NFSD: Replace READ* macros in nfsd4_decode_getattr()
>      NFSD: Replace READ* macros in nfsd4_decode_link()
>      NFSD: Relocate nfsd4_decode_opaque()
>      NFSD: Add helpers to decode a clientid4 and an NFSv4 state owner
>      NFSD: Add helper for decoding locker4
>      NFSD: Replace READ* macros in nfsd4_decode_lock()
>      NFSD: Replace READ* macros in nfsd4_decode_lockt()
>      NFSD: Replace READ* macros in nfsd4_decode_locku()
>      NFSD: Replace READ* macros in nfsd4_decode_lookup()
>      NFSD: Add helper to decode NFSv4 verifiers
>      NFSD: Add helper to decode OPEN's createhow4 argument
>      NFSD: Add helper to decode OPEN's openflag4 argument
>      NFSD: Replace READ* macros in nfsd4_decode_share_access()
>      NFSD: Replace READ* macros in nfsd4_decode_share_deny()
>      NFSD: Add helper to decode OPEN's open_claim4 argument
>      NFSD: Replace READ* macros in nfsd4_decode_open()
>      NFSD: Replace READ* macros in nfsd4_decode_open_confirm()
>      NFSD: Replace READ* macros in nfsd4_decode_open_downgrade()
>      NFSD: Replace READ* macros in nfsd4_decode_putfh()
>      NFSD: Replace READ* macros in nfsd4_decode_read()
>      NFSD: Replace READ* macros in nfsd4_decode_readdir()
>      NFSD: Replace READ* macros in nfsd4_decode_remove()
>      NFSD: Replace READ* macros in nfsd4_decode_rename()
>      NFSD: Replace READ* macros in nfsd4_decode_renew()
>      NFSD: Replace READ* macros in nfsd4_decode_secinfo()
>      NFSD: Replace READ* macros in nfsd4_decode_setattr()
>      NFSD: Replace READ* macros in nfsd4_decode_setclientid()
>      NFSD: Replace READ* macros in nfsd4_decode_setclientid_confirm()
>      NFSD: Replace READ* macros in nfsd4_decode_verify()
>      NFSD: Replace READ* macros in nfsd4_decode_write()
>      NFSD: Replace READ* macros in nfsd4_decode_release_lockowner()
>      NFSD: Replace READ* macros in nfsd4_decode_cb_sec()
>      NFSD: Replace READ* macros in nfsd4_decode_backchannel_ctl()
>      NFSD: Replace READ* macros in nfsd4_decode_bind_conn_to_session()
>      NFSD: Add a separate decoder to handle state_protect_ops
>      NFSD: Add a separate decoder for ssv_sp_parms
>      NFSD: Add a helper to decode state_protect4_a
>      NFSD: Add a helper to decode nfs_impl_id4
>      NFSD: Add a helper to decode channel_attrs4
>      NFSD: Replace READ* macros in nfsd4_decode_create_session()
>      NFSD: Replace READ* macros in nfsd4_decode_destroy_session()
>      NFSD: Replace READ* macros in nfsd4_decode_free_stateid()
>      NFSD: Replace READ* macros in nfsd4_decode_getdeviceinfo()
>      NFSD: Replace READ* macros in nfsd4_decode_layoutcommit()
>      NFSD: Replace READ* macros in nfsd4_decode_layoutget()
>      NFSD: Replace READ* macros in nfsd4_decode_layoutreturn()
>      NFSD: Replace READ* macros in nfsd4_decode_secinfo_no_name()
>      NFSD: Replace READ* macros in nfsd4_decode_sequence()
>      NFSD: Replace READ* macros in nfsd4_decode_test_stateid()
>      NFSD: Replace READ* macros in nfsd4_decode_destroy_clientid()
>      NFSD: Replace READ* macros in nfsd4_decode_reclaim_complete()
>      NFSD: Replace READ* macros in nfsd4_decode_fallocate()
>      NFSD: Replace READ* macros in nfsd4_decode_nl4_server()
>      NFSD: Replace READ* macros in nfsd4_decode_copy()
>      NFSD: Replace READ* macros in nfsd4_decode_copy_notify()
>      NFSD: Replace READ* macros in nfsd4_decode_offload_status()
>      NFSD: Replace READ* macros in nfsd4_decode_seek()
>      NFSD: Replace READ* macros in nfsd4_decode_clone()
>      NFSD: Replace READ* macros in nfsd4_decode_xattr_name()
>      NFSD: Replace READ* macros in nfsd4_decode_setxattr()
>      NFSD: Replace READ* macros in nfsd4_decode_listxattrs()
>      NFSD: Make nfsd4_ops::opnum a u32
>      NFSD: Replace READ* macros in nfsd4_decode_compound()
>      NFSD: Remove macros that are no longer used
>      Revert "fget: clarify and improve __fget_files() implementation"
>      NFSD: Fix sparse warning in nfssvc.c
>      NFSD: Restore NFSv4 decoding's SAVEMEM functionality
>      SUNRPC: Make trace_svc_process() display the RPC procedure symbolically
>      SUNRPC: Display RPC procedure names instead of proc numbers
>      SUNRPC: Move definition of XDR_UNIT
>      NFSD: Update GETATTR3args decoder to use struct xdr_stream
>      NFSD: Update ACCESS3arg decoder to use struct xdr_stream
>      NFSD: Update READ3arg decoder to use struct xdr_stream
>      NFSD: Update WRITE3arg decoder to use struct xdr_stream
>      NFSD: Update READLINK3arg decoder to use struct xdr_stream
>      NFSD: Fix returned READDIR offset cookie
>      NFSD: Add helper to set up the pages where the dirlist is encoded
>      NFSD: Update READDIR3args decoders to use struct xdr_stream
>      NFSD: Update COMMIT3arg decoder to use struct xdr_stream
>      NFSD: Update the NFSv3 DIROPargs decoder to use struct xdr_stream
>      NFSD: Update the RENAME3args decoder to use struct xdr_stream
>      NFSD: Update the LINK3args decoder to use struct xdr_stream
>      NFSD: Update the SETATTR3args decoder to use struct xdr_stream
>      NFSD: Update the CREATE3args decoder to use struct xdr_stream
>      NFSD: Update the MKDIR3args decoder to use struct xdr_stream
>      NFSD: Update the SYMLINK3args decoder to use struct xdr_stream
>      NFSD: Update the MKNOD3args decoder to use struct xdr_stream
>      NFSD: Update the NFSv2 GETATTR argument decoder to use struct xdr_stream
>      NFSD: Update the NFSv2 READ argument decoder to use struct xdr_stream
>      NFSD: Update the NFSv2 WRITE argument decoder to use struct xdr_stream
>      NFSD: Update the NFSv2 READLINK argument decoder to use struct xdr_stream
>      NFSD: Add helper to set up the pages where the dirlist is encoded
>      NFSD: Update the NFSv2 READDIR argument decoder to use struct xdr_stream
>      NFSD: Update NFSv2 diropargs decoding to use struct xdr_stream
>      NFSD: Update the NFSv2 RENAME argument decoder to use struct xdr_stream
>      NFSD: Update the NFSv2 LINK argument decoder to use struct xdr_stream
>      NFSD: Update the NFSv2 SETATTR argument decoder to use struct xdr_stream
>      NFSD: Update the NFSv2 CREATE argument decoder to use struct xdr_stream
>      NFSD: Update the NFSv2 SYMLINK argument decoder to use struct xdr_stream
>      NFSD: Remove argument length checking in nfsd_dispatch()
>      NFSD: Update the NFSv2 GETACL argument decoder to use struct xdr_stream
>      NFSD: Add an xdr_stream-based decoder for NFSv2/3 ACLs
>      NFSD: Update the NFSv2 SETACL argument decoder to use struct xdr_stream
>      NFSD: Update the NFSv2 ACL GETATTR argument decoder to use struct xdr_stream
>      NFSD: Update the NFSv2 ACL ACCESS argument decoder to use struct xdr_stream
>      NFSD: Clean up after updating NFSv2 ACL decoders
>      NFSD: Update the NFSv3 GETACL argument decoder to use struct xdr_stream
>      NFSD: Update the NFSv2 SETACL argument decoder to use struct xdr_stream
>      NFSD: Clean up after updating NFSv3 ACL decoders
>      NFSD: Extract the svcxdr_init_encode() helper
>      NFSD: Update the GETATTR3res encoder to use struct xdr_stream
>      NFSD: Update the NFSv3 ACCESS3res encoder to use struct xdr_stream
>      NFSD: Update the NFSv3 LOOKUP3res encoder to use struct xdr_stream
>      NFSD: Update the NFSv3 wccstat result encoder to use struct xdr_stream
>      NFSD: Update the NFSv3 READLINK3res encoder to use struct xdr_stream
>      NFSD: Update the NFSv3 READ3res encode to use struct xdr_stream
>      NFSD: Update the NFSv3 WRITE3res encoder to use struct xdr_stream
>      NFSD: Update the NFSv3 CREATE family of encoders to use struct xdr_stream
>      NFSD: Update the NFSv3 RENAMEv3res encoder to use struct xdr_stream
>      NFSD: Update the NFSv3 LINK3res encoder to use struct xdr_stream
>      NFSD: Update the NFSv3 FSSTAT3res encoder to use struct xdr_stream
>      NFSD: Update the NFSv3 FSINFO3res encoder to use struct xdr_stream
>      NFSD: Update the NFSv3 PATHCONF3res encoder to use struct xdr_stream
>      NFSD: Update the NFSv3 COMMIT3res encoder to use struct xdr_stream
>      NFSD: Add a helper that encodes NFSv3 directory offset cookies
>      NFSD: Count bytes instead of pages in the NFSv3 READDIR encoder
>      NFSD: Update the NFSv3 READDIR3res encoder to use struct xdr_stream
>      NFSD: Update NFSv3 READDIR entry encoders to use struct xdr_stream
>      NFSD: Remove unused NFSv3 directory entry encoders
>      NFSD: Reduce svc_rqst::rq_pages churn during READDIR operations
>      NFSD: Update the NFSv2 stat encoder to use struct xdr_stream
>      NFSD: Update the NFSv2 attrstat encoder to use struct xdr_stream
>      NFSD: Update the NFSv2 diropres encoder to use struct xdr_stream
>      NFSD: Update the NFSv2 READLINK result encoder to use struct xdr_stream
>      NFSD: Update the NFSv2 READ result encoder to use struct xdr_stream
>      NFSD: Update the NFSv2 STATFS result encoder to use struct xdr_stream
>      NFSD: Add a helper that encodes NFSv3 directory offset cookies
>      NFSD: Count bytes instead of pages in the NFSv2 READDIR encoder
>      NFSD: Update the NFSv2 READDIR result encoder to use struct xdr_stream
>      NFSD: Update the NFSv2 READDIR entry encoder to use struct xdr_stream
>      NFSD: Remove unused NFSv2 directory entry encoders
>      NFSD: Add an xdr_stream-based encoder for NFSv2/3 ACLs
>      NFSD: Update the NFSv2 GETACL result encoder to use struct xdr_stream
>      NFSD: Update the NFSv2 SETACL result encoder to use struct xdr_stream
>      NFSD: Update the NFSv2 ACL GETATTR result encoder to use struct xdr_stream
>      NFSD: Update the NFSv2 ACL ACCESS result encoder to use struct xdr_stream
>      NFSD: Clean up after updating NFSv2 ACL encoders
>      NFSD: Update the NFSv3 GETACL result encoder to use struct xdr_stream
>      NFSD: Update the NFSv3 SETACL result encoder to use struct xdr_stream
>      NFSD: Clean up after updating NFSv3 ACL encoders
>      NFSD: Add a tracepoint to record directory entry encoding
>      NFSD: Clean up NFSDDBG_FACILITY macro
>      SUNRPC: Export svc_xprt_received()
>      Revert "fanotify: limit number of event merge attempts"
>      NFSD: Add an RPC authflavor tracepoint display helper
>      NFSD: Add nfsd_clid_cred_mismatch tracepoint
>      NFSD: Add nfsd_clid_verf_mismatch tracepoint
>      NFSD: Remove trace_nfsd_clid_inuse_err
>      NFSD: Add nfsd_clid_confirmed tracepoint
>      NFSD: Add nfsd_clid_reclaim_complete tracepoint
>      NFSD: Add nfsd_clid_destroyed tracepoint
>      NFSD: Add a couple more nfsd_clid_expired call sites
>      NFSD: Add tracepoints for SETCLIENTID edge cases
>      NFSD: Add tracepoints for EXCHANGEID edge cases
>      NFSD: Constify @fh argument of knfsd_fh_hash()
>      NFSD: Capture every CB state transition
>      NFSD: Drop TRACE_DEFINE_ENUM for NFSD4_CB_<state> macros
>      NFSD: Add cb_lost tracepoint
>      NFSD: Adjust cb_shutdown tracepoint
>      NFSD: Enhance the nfsd_cb_setup tracepoint
>      NFSD: Add an nfsd_cb_lm_notify tracepoint
>      NFSD: Add an nfsd_cb_offload tracepoint
>      NFSD: Replace the nfsd_deleg_break tracepoint
>      NFSD: Add an nfsd_cb_probe tracepoint
>      NFSD: Remove the nfsd_cb_work and nfsd_cb_done tracepoints
>      NFSD: Update nfsd_cb_args tracepoint
>      lockd: Remove stale comments
>      lockd: Create a simplified .vs_dispatch method for NLM requests
>      lockd: Common NLM XDR helpers
>      lockd: Update the NLMv1 void argument decoder to use struct xdr_stream
>      lockd: Update the NLMv1 TEST arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv1 LOCK arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv1 CANCEL arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv1 UNLOCK arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv1 nlm_res arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv1 SM_NOTIFY arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv1 SHARE arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv1 FREE_ALL arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv1 void results encoder to use struct xdr_stream
>      lockd: Update the NLMv1 TEST results encoder to use struct xdr_stream
>      lockd: Update the NLMv1 nlm_res results encoder to use struct xdr_stream
>      lockd: Update the NLMv1 SHARE results encoder to use struct xdr_stream
>      lockd: Update the NLMv4 void arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv4 TEST arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv4 LOCK arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv4 CANCEL arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv4 UNLOCK arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv4 nlm_res arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv4 SM_NOTIFY arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv4 SHARE arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv4 FREE_ALL arguments decoder to use struct xdr_stream
>      lockd: Update the NLMv4 void results encoder to use struct xdr_stream
>      lockd: Update the NLMv4 TEST results encoder to use struct xdr_stream
>      lockd: Update the NLMv4 nlm_res results encoder to use struct xdr_stream
>      [ Upstream commit 0ff5b50ab1f7f39862d0cdf6803978d31b27f25e ]
>      NFSD: Prevent a possible oops in the nfs_dirent() tracepoint
>      NFSD: Clean up splice actor
>      SUNRPC: Add svc_rqst_replace_page() API
>      NFSD: Batch release pages during splice read
>      SUNRPC: Add svc_rqst::rq_auth_stat
>      SUNRPC: Set rq_auth_stat in the pg_authenticate() callout
>      SUNRPC: Eliminate the RQ_AUTHERR flag
>      NFS: Add a private local dispatcher for NFSv4 callback operations
>      NFS: Remove unused callback void decoder
>      NLM: Fix svcxdr_encode_owner()
>      SUNRPC: Trace calls to .rpc_call_done
>      NFSD: Optimize DRC bucket pruning
>      NFSD: Have legacy NFSD WRITE decoders use xdr_stream_subsegment()
>      SUNRPC: Replace the "__be32 *p" parameter to .pc_decode
>      SUNRPC: Change return value type of .pc_decode
>      NFSD: Save location of NFSv4 COMPOUND status
>      SUNRPC: Replace the "__be32 *p" parameter to .pc_encode
>      SUNRPC: Change return value type of .pc_encode
>      NFSD: Fix exposure in nfsd4_decode_bitmap()
>      NFSD: Fix READDIR buffer overflow
>      NFSD: Fix sparse warning
>      NFSD: Remove be32_to_cpu() from DRC hash function
>      NFSD: Combine XDR error tracepoints
>      NFSD: De-duplicate nfsd4_decode_bitmap4()
>      NFSD: Fix zero-length NFSv3 WRITEs
>      NFSD: Clean up nfsd_vfs_write()
>      NFSD: De-duplicate net_generic(SVC_NET(rqstp), nfsd_net_id)
>      NFSD: De-duplicate net_generic(nf->nf_net, nfsd_net_id)
>      NFSD: Write verifier might go backwards
>      NFSD: Clean up the nfsd_net::nfssvc_boot field
>      NFSD: Rename boot verifier functions
>      NFSD: Trace boot verifier resets
>      Revert "nfsd: skip some unnecessary stats in the v4 case"
>      NFSD: Move fill_pre_wcc() and fill_post_wcc()
>      NFSD: Fix the behavior of READ near OFFSET_MAX
>      NFSD: Fix ia_size underflow
>      NFSD: Fix NFSv3 SETATTR/CREATE's handling of large file sizes
>      NFSD: COMMIT operations must not return NFS?ERR_INVAL
>      NFSD: Deprecate NFS_OFFSET_MAX
>      NFSD: De-duplicate hash bucket indexing
>      NFSD: Skip extra computation for RC_NOCACHE case
>      NFSD: Streamline the rare "found" case
>      SUNRPC: Remove the .svo_enqueue_xprt method
>      SUNRPC: Merge svc_do_enqueue_xprt() into svc_enqueue_xprt()
>      SUNRPC: Remove svo_shutdown method
>      SUNRPC: Rename svc_create_xprt()
>      SUNRPC: Rename svc_close_xprt()
>      SUNRPC: Remove svc_shutdown_net()
>      NFSD: Remove svc_serv_ops::svo_module
>      NFSD: Move svc_serv_ops::svo_function into struct svc_serv
>      NFSD: Remove CONFIG_NFSD_V3
>      NFSD: Clean up _lm_ operation names
>      NFSD: Clean up nfsd_splice_actor()
>      NFSD: Clean up nfsd3_proc_create()
>      NFSD: Avoid calling fh_drop_write() twice in do_nfsd_create()
>      NFSD: Refactor nfsd_create_setattr()
>      NFSD: Refactor NFSv3 CREATE
>      NFSD: Refactor NFSv4 OPEN(CREATE)
>      NFSD: Remove do_nfsd_create()
>      NFSD: Clean up nfsd_open_verified()
>      NFSD: Instantiate a struct file when creating a regular NFSv4 file
>      NFSD: Remove dprintk call sites from tail of nfsd4_open()
>      NFSD: Fix whitespace
>      NFSD: Move documenting comment for nfsd4_process_open2()
>      NFSD: Trace filecache opens
>      NFSD: Clean up the show_nf_flags() macro
>      SUNRPC: Use RMW bitops in single-threaded hot paths
>      NFSD: Modernize nfsd4_release_lockowner()
>      NFSD: Add documenting comment for nfsd4_release_lockowner()
>      NFSD: nfsd_file_put() can sleep
>      NFSD: Fix potential use-after-free in nfsd_file_put()
>      SUNRPC: Optimize xdr_reserve_space()
>      NFSD: Decode NFSv4 birth time attribute
>      SUNRPC: Fix xdr_encode_bool()
>      NFSD: Demote a WARN to a pr_warn()
>      NFSD: Report filecache LRU size
>      NFSD: Report count of calls to nfsd_file_acquire()
>      NFSD: Report count of freed filecache items
>      NFSD: Report average age of filecache items
>      NFSD: Add nfsd_file_lru_dispose_list() helper
>      NFSD: Refactor nfsd_file_gc()
>      NFSD: Refactor nfsd_file_lru_scan()
>      NFSD: Report the number of items evicted by the LRU walk
>      NFSD: Record number of flush calls
>      NFSD: Zero counters when the filecache is re-initialized
>      NFSD: Hook up the filecache stat file
>      NFSD: WARN when freeing an item still linked via nf_lru
>      NFSD: Trace filecache LRU activity
>      NFSD: Leave open files out of the filecache LRU
>      NFSD: Fix the filecache LRU shrinker
>      NFSD: Never call nfsd_file_gc() in foreground paths
>      NFSD: No longer record nf_hashval in the trace log
>      NFSD: Remove lockdep assertion from unhash_and_release_locked()
>      NFSD: nfsd_file_unhash can compute hashval from nf->nf_inode
>      NFSD: Refactor __nfsd_file_close_inode()
>      NFSD: nfsd_file_hash_remove can compute hashval
>      NFSD: Remove nfsd_file::nf_hashval
>      NFSD: Replace the "init once" mechanism
>      NFSD: Set up an rhashtable for the filecache
>      NFSD: Convert the filecache to use rhashtable
>      NFSD: Clean up unused code after rhashtable conversion
>      NFSD: Separate tracepoints for acquire and create
>      NFSD: Move nfsd_file_trace_alloc() tracepoint
>      NFSD: NFSv4 CLOSE should release an nfsd_file immediately
>      NFSD: Ensure nf_inode is never dereferenced
>      NFSD: Optimize nfsd4_encode_operation()
>      NFSD: Optimize nfsd4_encode_fattr()
>      NFSD: Clean up SPLICE_OK in nfsd4_encode_read()
>      NFSD: Add an nfsd4_read::rd_eof field
>      NFSD: Optimize nfsd4_encode_readv()
>      NFSD: Simplify starting_len
>      NFSD: Use xdr_pad_size()
>      NFSD: Clean up nfsd4_encode_readlink()
>      NFSD: Fix strncpy() fortify warning
>      NFSD: nfserrno(-ENOMEM) is nfserr_jukebox
>      NFSD: Shrink size of struct nfsd4_copy_notify
>      NFSD: Shrink size of struct nfsd4_copy
>      NFSD: Reorder the fields in struct nfsd4_op
>      NFSD: Make nfs4_put_copy() static
>      NFSD: Replace boolean fields in struct nfsd4_copy
>      NFSD: Refactor nfsd4_cleanup_inter_ssc() (1/2)
>      NFSD: Refactor nfsd4_cleanup_inter_ssc() (2/2)
>      NFSD: Refactor nfsd4_do_copy()
>      NFSD: Remove kmalloc from nfsd4_do_async_copy()
>      NFSD: Add nfsd4_send_cb_offload()
>      NFSD: Move copy offload callback arguments into a separate structure
>      NFSD: Increase NFSD_MAX_OPS_PER_COMPOUND
>      NFSD: Protect against send buffer overflow in NFSv2 READDIR
>      NFSD: Protect against send buffer overflow in NFSv3 READDIR
>      NFSD: Protect against send buffer overflow in NFSv2 READ
>      NFSD: Protect against send buffer overflow in NFSv3 READ
>      NFSD: Fix handling of oversized NFSv4 COMPOUND requests
>      NFSD: Add tracepoints to report NFSv4 callback completions
>      NFSD: Add a mechanism to wait for a DELEGRETURN
>      NFSD: Refactor nfsd_setattr()
>      NFSD: Make nfsd4_setattr() wait before returning NFS4ERR_DELAY
>      NFSD: Make nfsd4_rename() wait before returning NFS4ERR_DELAY
>      NFSD: Make nfsd4_remove() wait before returning NFS4ERR_DELAY
>      SUNRPC: Parametrize how much of argsize should be zeroed
>      NFSD: Reduce amount of struct nfsd4_compoundargs that needs clearing
>      NFSD: Refactor common code out of dirlist helpers
>      NFSD: Use xdr_inline_decode() to decode NFSv3 symlinks
>      NFSD: Clean up WRITE arg decoders
>      NFSD: Clean up nfs4svc_encode_compoundres()
>      NFSD: Remove "inline" directives on op_rsize_bop helpers
>      NFSD: Remove unused nfsd4_compoundargs::cachetype field
>      NFSD: Pack struct nfsd4_compoundres
>      NFSD: Rename the fields in copy_stateid_t
>      NFSD: Cap rsize_bop result based on send buffer size
>      NFSD: Fix reads with a non-zero offset that don't end on a page boundary
>      NFSD: Finish converting the NFSv2 GETACL result encoder
>      NFSD: Finish converting the NFSv3 GETACL result encoder
>      NFSD: Pass the target nfsd_file to nfsd_commit()
>      NFSD: Revert "NFSD: NFSv4 CLOSE should release an nfsd_file immediately"
>      NFSD: Add an NFSD_FILE_GC flag to enable nfsd_file garbage collection
>      NFSD: Flesh out a documenting comment for filecache.c
>      NFSD: Clean up nfs4_preprocess_stateid_op() call sites
>      NFSD: Trace stateids returned via DELEGRETURN
>      NFSD: Trace delegation revocations
>      NFSD: Use const pointers as parameters to fh_ helpers
>      NFSD: Update file_hashtbl() helpers
>      NFSD: Clean up nfsd4_init_file()
>      NFSD: Add a nfsd4_file_hash_remove() helper
>      NFSD: Clean up find_or_add_file()
>      NFSD: Refactor find_file()
>      NFSD: Use rhashtable for managing nfs4_file objects
>      NFSD: Fix licensing header in filecache.c
>      NFSD: Add an nfsd_file_fsync tracepoint
>      NFSD: Use only RQ_DROPME to signal the need to drop a reply
>      Revert "SUNRPC: Use RMW bitops in single-threaded hot paths"
>      NFSD: Use set_bit(RQ_DROPME)
>      NFSD: copy the whole verifier in nfsd_copy_write_verifier
>      NFSD: Protect against filesystem freezing
>      NFSD: Avoid calling OPDESC() with ops->opnum == OP_ILLEGAL
>      NFSD: Convert filecache to rhltable
>      NFSD: Add an nfsd4_encode_nfstime4() helper
>      nfsd: don't allow nfsd threads to be signalled.
>      Documentation: Add missing documentation for EXPORT_OP flags
> 
> Colin Ian King (4):
>      nfsd: remove redundant assignment to pointer 'this'
>      NFSD: Initialize pointer ni with NULL and not plain integer 0
>      nfsd: remove redundant assignment to variable len
>      NFSD: Remove redundant assignment to variable host_err
> 
> Dai Ngo (26):
>      NFSv4_2: SSC helper should use its own config.
>      NFSv4.2: Remove ifdef CONFIG_NFSD from NFSv4.2 client SSC code.
>      NFSD: delay unmount source's export after inter-server copy completed.
>      nfsd: fix kernel test robot warning in SSC code
>      fs/lock: documentation cleanup. Replace inode->i_lock with flc_lock.
>      NFSD: add courteous server support for thread with only delegation
>      NFSD: add support for share reservation conflict to courteous server
>      NFSD: move create/destroy of laundry_wq to init_nfsd and exit_nfsd
>      fs/lock: add helper locks_owner_has_blockers to check for blockers
>      fs/lock: add 2 callbacks to lock_manager_operations to resolve conflict
>      NFSD: add support for lock conflict to courteous server
>      NFSD: Show state of courtesy client in client info
>      NFSD: refactoring v4 specific code to a helper in nfs4state.c
>      NFSD: keep track of the number of v4 clients in the system
>      NFSD: limit the number of v4 clients to 1024 per 1GB of system memory
>      NFSD: keep track of the number of courtesy clients in the system
>      NFSD: add shrinker to reap courtesy clients on low memory condition
>      NFSD: refactoring courtesy_client_reaper to a generic low memory shrinker
>      NFSD: add support for sending CB_RECALL_ANY
>      NFSD: add delegation reaper to react to low memory condition
>      NFSD: register/unregister of nfsd-client shrinker at nfsd startup/shutdown time
>      NFSD: replace delayed_work with work_struct for nfsd_client_shrinker
>      NFSD: enhance inter-server copy cleanup
>      NFSD: fix leaked reference count of nfsd4_ssc_umount_item
>      NFSD: fix problems with cleanup on errors in nfsd4_copy
>      NFSD: Fix problem of COMMIT and NFS4ERR_DELAY in infinite loop
> 
> Dan Carpenter (1):
>      nfsd: fix double fget() bug in __write_ports_addfd()
> 
> Dave Wysochanski (1):
>      nfsd4: Expose the callback address and state of each NFS4 client
> 
> David Disseldorp (1):
>      exportfs: use pr_debug for unreachable debug statements
> 
> Eric W. Biederman (24):
>      exec: Don't open code get_close_on_exec
>      exec: Move unshare_files to fix posix file locking during exec
>      exec: Simplify unshare_files
>      exec: Remove reset_files_struct
>      kcmp: In kcmp_epoll_target use fget_task
>      bpf: In bpf_task_fd_query use fget_task
>      proc/fd: In proc_fd_link use fget_task
>      file: Rename __fcheck_files to files_lookup_fd_raw
>      file: Factor files_lookup_fd_locked out of fcheck_files
>      file: Replace fcheck_files with files_lookup_fd_rcu
>      file: Rename fcheck lookup_fd_rcu
>      file: Implement task_lookup_fd_rcu
>      proc/fd: In tid_fd_mode use task_lookup_fd_rcu
>      kcmp: In get_file_raw_ptr use task_lookup_fd_rcu
>      file: Implement task_lookup_next_fd_rcu
>      proc/fd: In proc_readfd_common use task_lookup_next_fd_rcu
>      proc/fd: In fdinfo seq_show don't use get_files_struct
>      file: Merge __fd_install into fd_install
>      file: In f_dupfd read RLIMIT_NOFILE once.
>      file: Merge __alloc_fd into alloc_fd
>      file: Rename __close_fd to close_fd and remove the files parameter
>      file: Replace ksys_close with close_fd
>      exit: Implement kthread_exit
>      exit: Rename module_put_and_exit to module_put_and_kthread_exit
> 
> Gabriel Krisman Bertazi (24):
>      fsnotify: Don't insert unmergeable events in hashtable
>      fanotify: Fold event size calculation to its own function
>      fanotify: Split fsid check from other fid mode checks
>      inotify: Don't force FS_IN_IGNORED
>      fsnotify: Add helper to detect overflow_event
>      fsnotify: Add wrapper around fsnotify_add_event
>      fsnotify: Retrieve super block from the data field
>      fsnotify: Protect fsnotify_handle_inode_event from no-inode events
>      fsnotify: Pass group argument to free_event
>      fanotify: Support null inode event in fanotify_dfid_inode
>      fanotify: Allow file handle encoding for unhashed events
>      fanotify: Encode empty file handle when no inode is provided
>      fanotify: Require fid_mode for any non-fd event
>      fsnotify: Support FS_ERROR event type
>      fanotify: Reserve UAPI bits for FAN_FS_ERROR
>      fanotify: Pre-allocate pool of error events
>      fanotify: Support enqueueing of error events
>      fanotify: Support merging of error events
>      fanotify: Wrap object_fh inline space in a creator macro
>      fanotify: Add helpers to decide whether to report FID/DFID
>      fanotify: WARN_ON against too large file handles
>      fanotify: Report fid info for file related file system errors
>      fanotify: Emit generic error info for error event
>      fanotify: Allow users to request FAN_FS_ERROR events
> 
> Gaosheng Cui (3):
>      nfsd: remove nfsd4_prepare_cb_recall() declaration
>      fsnotify: remove unused declaration
>      fanotify: Remove obsoleted fanotify_event_has_path()
> 
> Guobin Huang (1):
>      NFSD: Use DEFINE_SPINLOCK() for spinlock
> 
> Gustavo A. R. Silva (2):
>      UAPI: nfsfh.h: Replace one-element array with flexible-array member
>      nfsd: Fix fall-through warnings for Clang
> 
> Haowen Bai (1):
>      SUNRPC: Return true/false (not 1/0) from bool functions
> 
> Huang Guobin (1):
>      nfsd: Fix error return code in nfsd_file_cache_init()
> 
> J. Bruce Fields (41):
>      nfsd: only call inode_query_iversion in the I_VERSION case
>      nfsd: simplify nfsd4_change_info
>      nfsd: minor nfsd4_change_attribute cleanup
>      nfsd4: don't query change attribute in v2/v3 case
>      Revert "nfsd4: support change_attr_type attribute"
>      nfsd4: simplify process_lookup1
>      nfsd: simplify process_lock
>      nfsd: simplify nfsd_renew
>      nfsd: rename lookup_clientid->set_client
>      nfsd: refactor set_client
>      nfsd: find_cpntf_state cleanup
>      nfsd: remove unused set_client argument
>      nfsd: simplify nfsd4_check_open_reclaim
>      nfsd: cstate->session->se_client -> cstate->clp
>      nfs: use change attribute for NFS re-exports
>      nfsd: skip some unnecessary stats in the v4 case
>      nfsd: helper for laundromat expiry calculations
>      nfsd: COPY with length 0 should copy to end of file
>      nfsd: don't ignore high bits of copy count
>      nfsd: hash nfs4_files by inode number
>      nfsd: track filehandle aliasing in nfs4_files
>      nfsd: reshuffle some code
>      nfsd: grant read delegations to clients holding writes
>      nfsd: move some commit_metadata()s outside the inode lock
>      nfsd: move fsnotify on client creation outside spinlock
>      nfsd: rpc_peeraddr2str needs rcu lock
>      nfsd: fix NULL dereference in nfs3svc_encode_getaclres
>      nlm: minor nlm_lookup_file argument change
>      nlm: minor refactoring
>      lockd: update nlm_lookup_file reexport comment
>      Keep read and write fds with each nlm_file
>      nfs: don't atempt blocking locks on nfs reexports
>      lockd: don't attempt blocking locks on nfs reexports
>      nfs: don't allow reexport reclaims
>      nfsd: update create verifier comment
>      nfsd4: remove obselete comment
>      nfsd: improve stateid access bitmask documentation
>      nfs: block notification on fs with its own ->lock
>      nfsd: fix crash on COPY_NOTIFY with special stateid
>      lockd: fix server crash on reboot of client holding lock
>      lockd: fix failure to cleanup client locks
> 
> Jakob Koschel (1):
>      nfsd: fix using the correct variable for sizeof()
> 
> Jeff Layton (58):
>      nfsd: add a new EXPORT_OP_NOWCC flag to struct export_operations
>      nfsd: allow filesystems to opt out of subtree checking
>      nfsd: close cached files prior to a REMOVE or RENAME that would replace target
>      nfsd: Add errno mapping for EREMOTEIO
>      nfsd: Retry once in nfsd_open on an -EOPENSTALE return
>      lockd: set fl_owner when unlocking files
>      lockd: fix nlm_close_files
>      nfsd: eliminate the NFSD_FILE_BREAK_* flags
>      nfsd: silence extraneous printk on nfsd.ko insertion
>      NFSD: drop fh argument from alloc_init_deleg
>      NFSD: verify the opened dentry after setting a delegation
>      lockd: detect and reject lock arguments that overflow
>      nfsd: clean up mounted_on_fileid handling
>      nfsd: only fill out return pointer on success in nfsd4_lookup_stateid
>      nfsd: fix comments about spinlock handling with delegations
>      nfsd: make nfsd4_run_cb a bool return function
>      nfsd: extra checks when freeing delegation stateids
>      nfsd: fix nfsd_file_unhash_and_dispose
>      nfsd: rework hashtable handling in nfsd_do_file_acquire
>      nfsd: fix net-namespace logic in __nfsd_file_cache_purge
>      nfsd: fix use-after-free in nfsd_file_do_acquire tracepoint
>      nfsd: put the export reference in nfsd4_verify_deleg_dentry
>      filelock: add a new locks_inode_context accessor function
>      lockd: use locks_inode_context helper
>      nfsd: use locks_inode_context helper
>      nfsd: ignore requests to disable unsupported versions
>      nfsd: move nfserrno() to vfs.c
>      nfsd: allow disabling NFSv2 at compile time
>      nfsd: remove the pages_flushed statistic from filecache
>      nfsd: reorganize filecache.c
>      nfsd: fix up the filecache laundrette scheduling
>      nfsd: return error if nfs4_setacl fails
>      lockd: set missing fl_flags field when retrieving args
>      lockd: ensure we use the correct file descriptor when unlocking
>      lockd: fix file selection in nlmsvc_cancel_blocked
>      nfsd: rework refcounting in filecache
>      nfsd: fix handling of cached open files in nfsd4_open codepath
>      nfsd: don't free files unconditionally in __nfsd_file_cache_purge
>      nfsd: don't destroy global nfs4_file table in per-net shutdown
>      nfsd: allow nfsd_file_get to sanely handle a NULL pointer
>      nfsd: clean up potential nfsd_file refcount leaks in COPY codepath
>      nfsd: don't hand out delegation on setuid files being opened for write
>      nfsd: fix courtesy client with deny mode handling in nfs4_upgrade_open
>      nfsd: don't fsync nfsd_files on last close
>      lockd: set file_lock start and end when decoding nlm4 testargs
>      nfsd: don't replace page in rq_pages if it's a continuation of last page
>      nfsd: call op_release, even when op_func returns an error
>      nfsd: don't open-code clear_and_wake_up_bit
>      nfsd: NFSD_FILE_KEY_INODE only needs to find GC'ed entries
>      nfsd: simplify test_bit return in NFSD_FILE_KEY_FULL comparator
>      nfsd: don't kill nfsd_files because of lease break error
>      nfsd: add some comments to nfsd_file_do_acquire
>      nfsd: don't take/put an extra reference when putting a file
>      nfsd: update comment over __nfsd_file_cache_purge
>      nfsd: allow reaping files still under writeback
>      nfsd: simplify the delayed disposal list code
>      nfsd: make a copy of struct iattr before calling notify_change
>      nfsd: drop the nfsd_put helper
> 
> Jia He (2):
>      sysctl: introduce new proc handler proc_dobool
>      lockd: change the proc_handler for nsm_use_hostnames
> 
> Jiapeng Chong (2):
>      nfsd: remove unused function
>      NFSD: Fix inconsistent indenting
> 
> Jinpeng Cui (1):
>      NFSD: remove redundant variable status
> 
> Julian Schroeder (1):
>      nfsd: destroy percpu stats counters after reply cache shutdown
> 
> Kees Cook (1):
>      NFSD: Avoid clashing function prototypes
> 
> Matthew Bobrowski (5):
>      kernel/pid.c: remove static qualifier from pidfd_create()
>      kernel/pid.c: implement additional checks upon pidfd_create() parameters
>      fanotify: minor cosmetic adjustments to fid labels
>      fanotify: introduce a generic info record copying helper
>      fanotify: add pidfd support to the fanotify API
> 
> NeilBrown (48):
>      nfsd: report client confirmation status in "info" file
>      NFSD: remove vanity comments
>      NFSD: move filehandle format declarations out of "uapi".
>      NFSD: drop support for ancient filehandles
>      NFSD: simplify struct nfsfh
>      NFSD: handle errors better in write_ports_addfd()
>      SUNRPC: change svc_get() to return the svc.
>      SUNRPC/NFSD: clean up get/put functions.
>      SUNRPC: stop using ->sv_nrthreads as a refcount
>      nfsd: make nfsd_stats.th_cnt atomic_t
>      SUNRPC: use sv_lock to protect updates to sv_nrthreads.
>      NFSD: narrow nfsd_mutex protection in nfsd thread
>      NFSD: Make it possible to use svc_set_num_threads_sync
>      SUNRPC: discard svo_setup and rename svc_set_num_threads_sync()
>      NFSD: simplify locking for network notifier.
>      lockd: introduce nlmsvc_serv
>      lockd: simplify management of network status notifiers
>      lockd: move lockd_start_svc() call into lockd_create_svc()
>      lockd: move svc_exit_thread() into the thread
>      lockd: introduce lockd_put()
>      lockd: rename lockd_create_svc() to lockd_get()
>      SUNRPC: move the pool_map definitions (back) into svc.c
>      SUNRPC: always treat sv_nrpools==1 as "not pooled"
>      lockd: use svc_set_num_threads() for thread start and stop
>      NFS: switch the callback service back to non-pooled.
>      NFSD: simplify per-net file cache management
>      NFS: restore module put when manager exits.
>      NFSD: introduce struct nfsd_attrs
>      NFSD: set attributes when creating symlinks
>      NFSD: add security label to struct nfsd_attrs
>      NFSD: add posix ACLs to struct nfsd_attrs
>      NFSD: change nfsd_create()/nfsd_symlink() to unlock directory before returning.
>      NFSD: always drop directory lock in nfsd_unlink()
>      NFSD: only call fh_unlock() once in nfsd_link()
>      NFSD: reduce locking in nfsd_lookup()
>      NFSD: use explicit lock/unlock for directory ops
>      NFSD: use (un)lock_inode instead of fh_(un)lock for file operations
>      NFSD: discard fh_locked flag and fh_lock/fh_unlock
>      NFSD: fix regression with setting ACLs.
>      NFSD: drop fname and flen args from nfsd_create_locked()
>      lockd: drop inappropriate svc_get() from locked_get()
>      nfsd: Simplify code around svc_exit_thread() call in nfsd()
>      nfsd: separate nfsd_last_thread() from nfsd_put()
>      NFSD: fix possible oops when nfsd/pool_stats is closed.
>      nfsd: call nfsd_last_thread() before final nfsd_put()
>      nfsd: fix RELEASE_LOCKOWNER
>      nfsd: don't take fi_lock in nfsd_break_deleg_cb()
>      nfsd: don't call locks_release_private() twice concurrently
> 
> Olga Kornievskaia (2):
>      NFSD add vfs_fsync after async copy is done
>      NFSD enforce filehandle check for source file in COPY
> 
> Oliver Ford (1):
>      fs: inotify: Fix typo in inotify comment
> 
> Ondrej Valousek (1):
>      nfsd: Add support for the birth time attribute
> 
> Paul Menzel (1):
>      nfsd: Log client tracking type log message as info instead of warning
> 
> Peng Tao (1):
>      nfsd: map EBADF
> 
> Ricardo Ribalda (1):
>      nfsd: Fix typo "accesible"
> 
> Shakeel Butt (1):
>      inotify, memcg: account inotify instances to kmemcg
> 
> Tavian Barnes (1):
>      nfsd: Fix creation time serialization order
> 
> Tetsuo Handa (1):
>      NFSD: unregister shrinker when nfsd_init_net() fails
> 
> Tom Rix (1):
>      NFSD: A semicolon is not needed after a switch statement.
> 
> Trond Myklebust (11):
>      exportfs: Add a function to return the raw output from fh_to_dentry()
>      nfsd: Fix up nfsd to ensure that timeout errors don't result in ESTALE
>      nfsd: Set PF_LOCAL_THROTTLE on local filesystems only
>      nfsd: Record NFSv4 pre/post-op attributes as non-atomic
>      NFS: fix nfs_fetch_iversion()
>      nfsd: Fix a warning for nfsd_file_close_inode
>      nfsd: Add a tracepoint for errors in nfsd4_clone_file_range()
>      nfsd: Fix a write performance regression
>      nfsd: Clean up nfsd_file_put()
>      lockd: set other missing fields when unlocking files
>      nfsd: Fix a regression in nfsd_setattr()
> 
> Vasily Averin (3):
>      nfsd: removed unused argument in nfsd_startup_generic()
>      nfsd4: add refcount for nfsd4_blocked_lock
>      fanotify: fix incorrect fmode_t casts
> 
> Waiman Long (1):
>      inotify: Increase default inotify.max_user_watches limit to 1048576
> 
> Wei Yongjun (1):
>      NFSD: Fix error return code in nfsd4_interssc_connect()
> 
> Wolfram Sang (2):
>      NFSD: move from strlcpy with unused retval to strscpy
>      lockd: move from strlcpy with unused retval to strscpy
> 
> Xin Gao (1):
>      fsnotify: Fix comment typo
> 
> Xingyuan Mo (1):
>      NFSD: fix use-after-free in nfsd4_ssc_setup_dul()
> 
> Xiu Jianfeng (1):
>      NFSD: Use struct_size() helper in alloc_session()
> 
> Yang Li (1):
>      fanotify: remove variable set but not used
> 
> Yu Hsiang Huang (1):
>      nfsd: Prevent truncation of an unlinked inode from blocking access to its directory
> 
> Zhang Jiaming (1):
>      NFSD: Fix space and spelling mistake
> 
> Zhang Xiaoxu (2):
>      nfsd: Unregister the cld notifier when laundry_wq create failed
>      nfsd: Fix null-ptr-deref in nfsd_fill_super()
> 
> Zheng Yongjun (1):
>      fs/lockd: convert comma to semicolon
> 
> Documentation/filesystems/files.rst          |    8 +-
> Documentation/filesystems/locking.rst        |   10 +-
> Documentation/filesystems/nfs/exporting.rst  |   78 +++++
> arch/powerpc/platforms/cell/spufs/coredump.c |    2 +-
> crypto/algboss.c                             |    4 +-
> fs/Kconfig                                   |    6 +-
> fs/autofs/dev-ioctl.c                        |    5 +-
> fs/cachefiles/namei.c                        |    9 +-
> fs/cifs/connect.c                            |    2 +-
> fs/coredump.c                                |    5 +-
> fs/ecryptfs/inode.c                          |   10 +-
> fs/exec.c                                    |   29 +-
> fs/exportfs/expfs.c                          |   40 ++-
> fs/file.c                                    |  177 +++++------
> fs/init.c                                    |    6 +-
> fs/lockd/clnt4xdr.c                          |    9 +-
> fs/lockd/clntproc.c                          |    3 -
> fs/lockd/host.c                              |    4 +-
> fs/lockd/svc.c                               |  262 +++++++--------
> fs/lockd/svc4proc.c                          |   70 +++-
> fs/lockd/svclock.c                           |   67 ++--
> fs/lockd/svcproc.c                           |   62 +++-
> fs/lockd/svcsubs.c                           |  123 +++++---
> fs/lockd/svcxdr.h                            |  142 +++++++++
> fs/lockd/xdr.c                               |  448 +++++++++++++-------------
> fs/lockd/xdr4.c                              |  472 +++++++++++++--------------
> fs/locks.c                                   |  102 ++++--
> fs/namei.c                                   |   21 +-
> fs/nfs/blocklayout/blocklayout.c             |    2 +-
> fs/nfs/blocklayout/dev.c                     |    2 +-
> fs/nfs/callback.c                            |  111 ++-----
> fs/nfs/callback_xdr.c                        |   33 +-
> fs/nfs/dir.c                                 |    2 +-
> fs/nfs/export.c                              |   17 +
> fs/nfs/file.c                                |    3 +
> fs/nfs/filelayout/filelayout.c               |    4 +-
> fs/nfs/filelayout/filelayoutdev.c            |    2 +-
> fs/nfs/flexfilelayout/flexfilelayout.c       |    4 +-
> fs/nfs/flexfilelayout/flexfilelayoutdev.c    |    2 +-
> fs/nfs/nfs42xdr.c                            |    2 +-
> fs/nfs/nfs4state.c                           |    2 +-
> fs/nfs/nfs4xdr.c                             |    6 +-
> fs/nfs/pagelist.c                            |    3 -
> fs/nfs/super.c                               |    8 +
> fs/nfs/write.c                               |    3 -
> fs/nfs_common/Makefile                       |    2 +-
> fs/nfs_common/nfs_ssc.c                      |    2 -
> fs/nfs_common/nfsacl.c                       |  123 ++++++++
> fs/nfsd/Kconfig                              |   36 ++-
> fs/nfsd/Makefile                             |    8 +-
> fs/nfsd/acl.h                                |    6 +-
> fs/nfsd/blocklayout.c                        |    1 +
> fs/nfsd/blocklayoutxdr.c                     |    1 +
> fs/nfsd/cache.h                              |    2 +-
> fs/nfsd/export.c                             |   74 ++++-
> fs/nfsd/export.h                             |   16 +-
> fs/nfsd/filecache.c                          | 1229 ++++++++++++++++++++++++++++++++++++++++-------------------------------
> fs/nfsd/filecache.h                          |   23 +-
> fs/nfsd/flexfilelayout.c                     |    3 +-
> fs/nfsd/lockd.c                              |   10 +-
> fs/nfsd/netns.h                              |   63 ++--
> fs/nfsd/nfs2acl.c                            |  214 +++++--------
> fs/nfsd/nfs3acl.c                            |  140 ++++----
> fs/nfsd/nfs3proc.c                           |  396 +++++++++++++++--------
> fs/nfsd/nfs3xdr.c                            | 1763 +++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------------------------------------
> fs/nfsd/nfs4acl.c                            |   45 +--
> fs/nfsd/nfs4callback.c                       |  168 +++++++---
> fs/nfsd/nfs4idmap.c                          |    9 +-
> fs/nfsd/nfs4layouts.c                        |    4 +-
> fs/nfsd/nfs4proc.c                           | 1111 ++++++++++++++++++++++++++++++++++++++++------------------------
> fs/nfsd/nfs4recover.c                        |   20 +-
> fs/nfsd/nfs4state.c                          | 1725 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------------------
> fs/nfsd/nfs4xdr.c                            | 3763 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------------------------------------------------------------------------------------------
> fs/nfsd/nfscache.c                           |  115 ++++---
> fs/nfsd/nfsctl.c                             |  169 +++++-----
> fs/nfsd/nfsd.h                               |   50 ++-
> fs/nfsd/nfsfh.c                              |  291 +++++++++--------
> fs/nfsd/nfsfh.h                              |  179 +++++------
> fs/nfsd/nfsproc.c                            |  262 ++++++++-------
> fs/nfsd/nfssvc.c                             |  356 ++++++++++-----------
> fs/nfsd/nfsxdr.c                             |  834 +++++++++++++++++++++++++-----------------------
> fs/nfsd/state.h                              |   69 +++-
> fs/nfsd/stats.c                              |  126 +++++---
> fs/nfsd/stats.h                              |   96 ++++--
> fs/nfsd/trace.c                              |    1 +
> fs/nfsd/trace.h                              |  894 ++++++++++++++++++++++++++++++++++++++++++++++------
> fs/nfsd/vfs.c                                |  931 +++++++++++++++++++++++++++---------------------------
> fs/nfsd/vfs.h                                |   60 ++--
> fs/nfsd/xdr.h                                |   68 ++--
> fs/nfsd/xdr3.h                               |  116 ++++---
> fs/nfsd/xdr4.h                               |  127 ++++----
> fs/nfsd/xdr4cb.h                             |    6 +
> fs/notify/dnotify/dnotify.c                  |   17 +-
> fs/notify/fanotify/fanotify.c                |  487 +++++++++++++++++++++-------
> fs/notify/fanotify/fanotify.h                |  252 +++++++++++++--
> fs/notify/fanotify/fanotify_user.c           |  882 +++++++++++++++++++++++++++++++++++++++++----------
> fs/notify/fdinfo.c                           |   19 +-
> fs/notify/fsnotify.c                         |  183 ++++++-----
> fs/notify/fsnotify.h                         |   19 +-
> fs/notify/group.c                            |   38 ++-
> fs/notify/inotify/inotify.h                  |   11 +-
> fs/notify/inotify/inotify_fsnotify.c         |   12 +-
> fs/notify/inotify/inotify_user.c             |   87 +++--
> fs/notify/mark.c                             |  172 ++++++----
> fs/notify/notification.c                     |   78 ++---
> fs/open.c                                    |   49 ++-
> fs/overlayfs/overlayfs.h                     |    9 +-
> fs/proc/fd.c                                 |   48 +--
> fs/udf/file.c                                |    2 +-
> fs/verity/enable.c                           |    2 +-
> include/linux/dnotify.h                      |    2 +-
> include/linux/errno.h                        |    1 +
> include/linux/exportfs.h                     |   15 +
> include/linux/fanotify.h                     |   74 ++++-
> include/linux/fdtable.h                      |   37 ++-
> include/linux/fs.h                           |   54 +++-
> include/linux/fsnotify.h                     |   77 +++--
> include/linux/fsnotify_backend.h             |  372 ++++++++++++++++++----
> include/linux/iversion.h                     |   13 +
> include/linux/kallsyms.h                     |   17 +-
> include/linux/kthread.h                      |    1 +
> include/linux/lockd/bind.h                   |    3 +-
> include/linux/lockd/lockd.h                  |   17 +-
> include/linux/lockd/xdr.h                    |   35 +-
> include/linux/lockd/xdr4.h                   |   33 +-
> include/linux/module.h                       |   24 +-
> include/linux/nfs.h                          |    8 -
> include/linux/nfs4.h                         |   21 +-
> include/linux/nfs_ssc.h                      |   14 +
> include/linux/nfsacl.h                       |    6 +
> include/linux/pid.h                          |    1 +
> include/linux/sched/user.h                   |    3 -
> include/linux/sunrpc/msg_prot.h              |    3 -
> include/linux/sunrpc/svc.h                   |  151 +++++----
> include/linux/sunrpc/svc_rdma.h              |    4 +-
> include/linux/sunrpc/svc_xprt.h              |   16 +-
> include/linux/sunrpc/svcauth.h               |    4 +-
> include/linux/sunrpc/svcsock.h               |    7 +-
> include/linux/sunrpc/xdr.h                   |  153 ++++++++-
> include/linux/syscalls.h                     |   12 -
> include/linux/sysctl.h                       |    2 +
> include/linux/user_namespace.h               |    4 +
> include/trace/events/sunrpc.h                |   26 +-
> include/uapi/linux/fanotify.h                |   42 +++
> include/uapi/linux/nfs3.h                    |    6 +
> include/uapi/linux/nfsd/nfsfh.h              |  105 ------
> kernel/audit_fsnotify.c                      |    8 +-
> kernel/audit_tree.c                          |    2 +-
> kernel/audit_watch.c                         |    5 +-
> kernel/bpf/inode.c                           |    2 +-
> kernel/bpf/syscall.c                         |   20 +-
> kernel/bpf/task_iter.c                       |    2 +-
> kernel/fork.c                                |   12 +-
> kernel/kallsyms.c                            |    8 +-
> kernel/kcmp.c                                |   29 +-
> kernel/kthread.c                             |   23 +-
> kernel/livepatch/core.c                      |    7 +-
> kernel/module.c                              |   26 +-
> kernel/pid.c                                 |   15 +-
> kernel/sys.c                                 |    2 +-
> kernel/sysctl.c                              |   54 +++-
> kernel/trace/trace_kprobe.c                  |    4 +-
> kernel/ucount.c                              |    4 +
> mm/madvise.c                                 |    2 +-
> mm/memcontrol.c                              |    2 +-
> mm/mincore.c                                 |    2 +-
> net/bluetooth/bnep/core.c                    |    2 +-
> net/bluetooth/cmtp/core.c                    |    2 +-
> net/bluetooth/hidp/core.c                    |    2 +-
> net/sunrpc/auth_gss/gss_rpc_xdr.c            |    2 +-
> net/sunrpc/auth_gss/svcauth_gss.c            |   47 +--
> net/sunrpc/sched.c                           |    1 +
> net/sunrpc/svc.c                             |  314 +++++++++---------
> net/sunrpc/svc_xprt.c                        |  104 +++---
> net/sunrpc/svcauth.c                         |    8 +-
> net/sunrpc/svcauth_unix.c                    |   18 +-
> net/sunrpc/svcsock.c                         |   32 +-
> net/sunrpc/xdr.c                             |  112 +++++--
> net/sunrpc/xprtrdma/svc_rdma_backchannel.c   |    2 +-
> net/sunrpc/xprtrdma/svc_rdma_sendto.c        |   32 +-
> net/sunrpc/xprtrdma/svc_rdma_transport.c     |    2 +-
> net/unix/af_unix.c                           |    2 +-
> tools/objtool/check.c                        |    3 +-
> 183 files changed, 13910 insertions(+), 8823 deletions(-)
> create mode 100644 fs/lockd/svcxdr.h
> delete mode 100644 include/uapi/linux/nfsd/nfsfh.h
> 
> -- 
> Chuck Lever
> 

--
Chuck Lever






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