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This improvement is intended to increase the rate at which NFSD can safely recall NFSv4 delegations from clients, to avoid the need to revoke them. Revoking requires a slow state recovery process. A wide variety of bug fixes and other incremental improvements make up the bulk of commits in this series. As always I am grateful to the NFSD contributors, reviewers, testers, and bug reporters who participated during this cycle. ---------------------------------------------------------------- Al Viro (1): nfsd: get rid of include ../internal.h Chuck Lever (49): NFSD: Prevent a potential integer overflow svcrdma: Address an integer overflow NFSD: Remove unused function parameter xdrgen: Exit status should be zero on success xdrgen: Clean up type_specifier xdrgen: Rename "variable-length strings" xdrgen: Rename enum's declaration Jinja2 template xdrgen: Rename "enum yada" types as just "yada" xdrgen: Implement big-endian enums xdrgen: Refactor transformer arms xdrgen: Track constant values xdrgen: Keep track of on-the-wire data type widths xdrgen: XDR widths for enum types xdrgen: XDR width for fixed-length opaque xdrgen: XDR width for variable-length opaque xdrgen: XDR width for a string xdrgen: XDR width for fixed-length array xdrgen: XDR width for variable-length array xdrgen: XDR width for optional_data type xdrgen: XDR width for typedef xdrgen: XDR width for struct types xdrgen: XDR width for pointer types xdrgen: XDR width for union types xdrgen: Add generator code for XDR width macros xdrgen: emit maxsize macros xdrgen: Add a utility for extracting XDR from RFCs NFSD: Replace use of NFSD_MAY_LOCK in nfsd4_lock() NFSD: Remove dead code in nfsd4_create_session() NFSD: Remove a never-true comparison NFSD: Prevent NULL dereference in nfsd4_process_cb_update() NFSD: Remove unused results in nfsd4_encode_pathname4() NFSD: Remove unused values from nfsd4_encode_components_esc() NFSD: Cap the number of bytes copied by nfs4_reset_recoverydir() lockd: Remove unused typedef lockd: Remove unnecessary memset() lockd: Remove some snippets of unfinished code lockd: Remove unused parameter to nlmsvc_testlock() lockd: Remove unneeded initialization of file_lock::c.flc_flags xdrgen: Remove tracepoint call site xdrgen: Remove check for "nfs_ok" in C templates xdrgen: Update the files included in client-side source code xdrgen: Remove program_stat_to_errno() call sites NFSD: Add a tracepoint to record canceled async COPY operations NFSD: Fix nfsd4_shutdown_copy() NFSD: Free async copy information in nfsd4_cb_offload_release() NFSD: Handle an NFS4ERR_DELAY response to CB_OFFLOAD NFSD: Block DESTROY_CLIENTID only when there are ongoing async COPY operations NFSD: Add a laundromat reaper for async copy state NFSD: Add nfsd4_copy time-to-live Jeff Layton (8): nfsd: drop inode parameter from nfsd4_change_attribute() nfsd: drop the ncf_cb_bmap field nfsd: drop the nfsd4_fattr_args "size" field nfsd: have nfsd4_deleg_getattr_conflict pass back write deleg pointer nfsd: new tracepoint for after op_func in compound processing nfsd: remove nfsd4_session->se_bchannel nfsd: make nfsd4_session->se_flags a bool nfsd: allow for up to 32 callback session slots Julia Lawall (1): nfsd: replace call_rcu by kfree_rcu for simple kmem_cache_free callback Mike Snitzer (1): nfs_common: must not hold RCU while calling nfsd_file_put_local NeilBrown (3): nfsd: refine and rename NFSD_MAY_LOCK nfsd: Don't fail OP_SETCLIENTID when there are too many clients. nfsd: make use of warning provided by refcount_t Pali Rohár (3): lockd: Fix comment about NLMv3 backwards compatibility nfsd: Fill NFSv4.1 server implementation fields in OP_EXCHANGE_ID response nfsd: Fix NFSD_MAY_BYPASS_GSS and NFSD_MAY_BYPASS_GSS_ON_ROOT Thorsten Blum (1): NFSD: Remove unnecessary posix_acl_entry pointer initialization Yang Erkun (4): nfsd: make sure exp active before svc_export_show SUNRPC: make sure cache entry active before cache_show nfsd: release svc_expkey/svc_export with rcu_work nfsd: fix nfs4_openowner leak when concurrent nfsd4_open occur Ye Bin (1): svcrdma: fix miss destroy percpu_counter in svc_rdma_proc_init() MAINTAINERS | 1 + fs/lockd/clntxdr.c | 5 ++- fs/lockd/svc4proc.c | 20 +++------ fs/lockd/svclock.c | 2 +- fs/lockd/svcproc.c | 15 +------ fs/lockd/xdr4.c | 2 - fs/nfs_common/nfslocalio.c | 8 ++-- fs/nfsd/export.c | 57 ++++++++++++++++++++---- fs/nfsd/export.h | 7 +-- fs/nfsd/filecache.c | 19 ++++---- fs/nfsd/filecache.h | 2 +- fs/nfsd/lockd.c | 13 +++++- fs/nfsd/nfs4acl.c | 2 - fs/nfsd/nfs4callback.c | 139 +++++++++++++++++++++++++++++++++++++++++++---------------- fs/nfsd/nfs4proc.c | 103 +++++++++++++++++++++++++++++++++++++++----- fs/nfsd/nfs4recover.c | 3 +- fs/nfsd/nfs4state.c | 127 +++++++++++++++++++++++++++++++++++------------------- fs/nfsd/nfs4xdr.c | 73 ++++++++++++++++++------------- fs/nfsd/nfsfh.c | 41 ++++++++++-------- fs/nfsd/nfsfh.h | 3 +- fs/nfsd/state.h | 40 +++++++++++------ fs/nfsd/trace.h | 29 +++++++++++-- fs/nfsd/vfs.c | 26 +++-------- fs/nfsd/vfs.h | 6 +-- fs/nfsd/xdr4.h | 8 ++++ include/linux/lockd/lockd.h | 6 +-- include/linux/lockd/xdr.h | 2 - include/linux/nfslocalio.h | 18 ++++++-- include/linux/sunrpc/xdr.h | 21 +++++++++ include/linux/sunrpc/xdrgen/_defs.h | 9 ++++ net/sunrpc/cache.c | 4 +- net/sunrpc/xprtrdma/svc_rdma.c | 19 +++++--- net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 8 +++- tools/net/sunrpc/extract.sh | 11 +++++ tools/net/sunrpc/xdrgen/README | 17 ++++++++ tools/net/sunrpc/xdrgen/generators/__init__.py | 4 ++ tools/net/sunrpc/xdrgen/generators/enum.py | 30 ++++++++++--- tools/net/sunrpc/xdrgen/generators/pointer.py | 26 ++++++++--- tools/net/sunrpc/xdrgen/generators/struct.py | 26 ++++++++--- tools/net/sunrpc/xdrgen/generators/typedef.py | 28 +++++++++--- tools/net/sunrpc/xdrgen/generators/union.py | 52 +++++++++++++++++----- tools/net/sunrpc/xdrgen/grammars/xdr.lark | 6 ++- tools/net/sunrpc/xdrgen/subcmds/definitions.py | 24 +++++++++-- tools/net/sunrpc/xdrgen/subcmds/source.py | 3 +- tools/net/sunrpc/xdrgen/templates/C/enum/declaration/close.j2 | 4 -- tools/net/sunrpc/xdrgen/templates/C/enum/declaration/enum.j2 | 4 ++ tools/net/sunrpc/xdrgen/templates/C/enum/decoder/enum.j2 | 2 +- tools/net/sunrpc/xdrgen/templates/C/enum/decoder/enum_be.j2 | 14 ++++++ tools/net/sunrpc/xdrgen/templates/C/enum/definition/close.j2 | 1 + tools/net/sunrpc/xdrgen/templates/C/enum/definition/close_be.j2 | 3 ++ tools/net/sunrpc/xdrgen/templates/C/enum/encoder/enum.j2 | 2 +- tools/net/sunrpc/xdrgen/templates/C/enum/encoder/enum_be.j2 | 14 ++++++ tools/net/sunrpc/xdrgen/templates/C/enum/maxsize/enum.j2 | 2 + tools/net/sunrpc/xdrgen/templates/C/pointer/decoder/{variable_length_string.j2 => string.j2} | 0 tools/net/sunrpc/xdrgen/templates/C/pointer/definition/{variable_length_string.j2 => string.j2} | 0 tools/net/sunrpc/xdrgen/templates/C/pointer/encoder/{variable_length_string.j2 => string.j2} | 0 tools/net/sunrpc/xdrgen/templates/C/pointer/maxsize/pointer.j2 | 3 ++ tools/net/sunrpc/xdrgen/templates/C/program/decoder/result.j2 | 4 -- tools/net/sunrpc/xdrgen/templates/C/source_top/client.j2 | 9 +++- tools/net/sunrpc/xdrgen/templates/C/struct/decoder/{variable_length_string.j2 => string.j2} | 0 tools/net/sunrpc/xdrgen/templates/C/struct/definition/{variable_length_string.j2 => string.j2} | 0 tools/net/sunrpc/xdrgen/templates/C/struct/encoder/{variable_length_string.j2 => string.j2} | 0 tools/net/sunrpc/xdrgen/templates/C/struct/maxsize/struct.j2 | 3 ++ tools/net/sunrpc/xdrgen/templates/C/typedef/declaration/{variable_length_string.j2 => string.j2} | 0 tools/net/sunrpc/xdrgen/templates/C/typedef/decoder/{variable_length_string.j2 => string.j2} | 0 tools/net/sunrpc/xdrgen/templates/C/typedef/definition/{variable_length_string.j2 => string.j2} | 0 tools/net/sunrpc/xdrgen/templates/C/typedef/encoder/{variable_length_string.j2 => string.j2} | 0 tools/net/sunrpc/xdrgen/templates/C/typedef/maxsize/basic.j2 | 3 ++ tools/net/sunrpc/xdrgen/templates/C/typedef/maxsize/fixed_length_opaque.j2 | 2 + tools/net/sunrpc/xdrgen/templates/C/typedef/maxsize/string.j2 | 2 + tools/net/sunrpc/xdrgen/templates/C/typedef/maxsize/variable_length_array.j2 | 2 + tools/net/sunrpc/xdrgen/templates/C/typedef/maxsize/variable_length_opaque.j2 | 2 + tools/net/sunrpc/xdrgen/templates/C/union/decoder/case_spec_be.j2 | 2 + tools/net/sunrpc/xdrgen/templates/C/union/decoder/{variable_length_string.j2 => string.j2} | 0 tools/net/sunrpc/xdrgen/templates/C/union/encoder/case_spec_be.j2 | 2 + tools/net/sunrpc/xdrgen/templates/C/union/maxsize/union.j2 | 3 ++ tools/net/sunrpc/xdrgen/xdr_ast.py | 311 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------------- tools/net/sunrpc/xdrgen/xdrgen | 4 +- 78 files changed, 1115 insertions(+), 348 deletions(-) create mode 100755 tools/net/sunrpc/extract.sh delete mode 100644 tools/net/sunrpc/xdrgen/templates/C/enum/declaration/close.j2 create mode 100644 tools/net/sunrpc/xdrgen/templates/C/enum/declaration/enum.j2 create mode 100644 tools/net/sunrpc/xdrgen/templates/C/enum/decoder/enum_be.j2 create mode 100644 tools/net/sunrpc/xdrgen/templates/C/enum/definition/close_be.j2 create mode 100644 tools/net/sunrpc/xdrgen/templates/C/enum/encoder/enum_be.j2 create mode 100644 tools/net/sunrpc/xdrgen/templates/C/enum/maxsize/enum.j2 rename tools/net/sunrpc/xdrgen/templates/C/pointer/decoder/{variable_length_string.j2 => string.j2} (100%) rename tools/net/sunrpc/xdrgen/templates/C/pointer/definition/{variable_length_string.j2 => string.j2} (100%) rename tools/net/sunrpc/xdrgen/templates/C/pointer/encoder/{variable_length_string.j2 => string.j2} (100%) create mode 100644 tools/net/sunrpc/xdrgen/templates/C/pointer/maxsize/pointer.j2 rename tools/net/sunrpc/xdrgen/templates/C/struct/decoder/{variable_length_string.j2 => string.j2} (100%) rename tools/net/sunrpc/xdrgen/templates/C/struct/definition/{variable_length_string.j2 => string.j2} (100%) rename tools/net/sunrpc/xdrgen/templates/C/struct/encoder/{variable_length_string.j2 => string.j2} (100%) create mode 100644 tools/net/sunrpc/xdrgen/templates/C/struct/maxsize/struct.j2 rename tools/net/sunrpc/xdrgen/templates/C/typedef/declaration/{variable_length_string.j2 => string.j2} (100%) rename tools/net/sunrpc/xdrgen/templates/C/typedef/decoder/{variable_length_string.j2 => string.j2} (100%) rename tools/net/sunrpc/xdrgen/templates/C/typedef/definition/{variable_length_string.j2 => string.j2} (100%) rename tools/net/sunrpc/xdrgen/templates/C/typedef/encoder/{variable_length_string.j2 => string.j2} (100%) create mode 100644 tools/net/sunrpc/xdrgen/templates/C/typedef/maxsize/basic.j2 create mode 100644 tools/net/sunrpc/xdrgen/templates/C/typedef/maxsize/fixed_length_opaque.j2 create mode 100644 tools/net/sunrpc/xdrgen/templates/C/typedef/maxsize/string.j2 create mode 100644 tools/net/sunrpc/xdrgen/templates/C/typedef/maxsize/variable_length_array.j2 create mode 100644 tools/net/sunrpc/xdrgen/templates/C/typedef/maxsize/variable_length_opaque.j2 create mode 100644 tools/net/sunrpc/xdrgen/templates/C/union/decoder/case_spec_be.j2 rename tools/net/sunrpc/xdrgen/templates/C/union/decoder/{variable_length_string.j2 => string.j2} (100%) create mode 100644 tools/net/sunrpc/xdrgen/templates/C/union/encoder/case_spec_be.j2 create mode 100644 tools/net/sunrpc/xdrgen/templates/C/union/maxsize/union.j2