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Merge tag 'nfsd-5.10' of git://linux-nfs.org/~bfields/linux
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Pull nfsd updates from Bruce Fields:
 "The one new feature this time, from Anna Schumaker, is READ_PLUS,
  which has the same arguments as READ but allows the server to return
  an array of data and hole extents.

  Otherwise it's a lot of cleanup and bugfixes"

* tag 'nfsd-5.10' of git://linux-nfs.org/~bfields/linux: (43 commits)
  NFSv4.2: Fix NFS4ERR_STALE error when doing inter server copy
  SUNRPC: fix copying of multiple pages in gss_read_proxy_verf()
  sunrpc: raise kernel RPC channel buffer size
  svcrdma: fix bounce buffers for unaligned offsets and multiple pages
  nfsd: remove unneeded break
  net/sunrpc: Fix return value for sysctl sunrpc.transports
  NFSD: Encode a full READ_PLUS reply
  NFSD: Return both a hole and a data segment
  NFSD: Add READ_PLUS hole segment encoding
  NFSD: Add READ_PLUS data support
  NFSD: Hoist status code encoding into XDR encoder functions
  NFSD: Map nfserr_wrongsec outside of nfsd_dispatch
  NFSD: Remove the RETURN_STATUS() macro
  NFSD: Call NFSv2 encoders on error returns
  NFSD: Fix .pc_release method for NFSv2
  NFSD: Remove vestigial typedefs
  NFSD: Refactor nfsd_dispatch() error paths
  NFSD: Clean up nfsd_dispatch() variables
  NFSD: Clean up stale comments in nfsd_dispatch()
  NFSD: Clean up switch statement in nfsd_dispatch()
  ...
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@torvalds
torvalds committed Oct 22, 2020
2 parents 9b06f57 + 0cfcd40 commit 24717cf
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Showing 44 changed files with 1,490 additions and 1,368 deletions.
70 changes: 0 additions & 70 deletions Documentation/admin-guide/nfs/fault_injection.rst
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1 change: 0 additions & 1 deletion Documentation/admin-guide/nfs/index.rst
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Expand Up @@ -12,4 +12,3 @@ NFS
nfs-idmapper
pnfs-block-server
pnfs-scsi-server
fault_injection
5 changes: 2 additions & 3 deletions Documentation/filesystems/nfs/rpc-server-gss.rst
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Expand Up @@ -13,10 +13,9 @@ RPCGSS is specified in a few IETF documents:
- RFC2203 v1: https://tools.ietf.org/rfc/rfc2203.txt
- RFC5403 v2: https://tools.ietf.org/rfc/rfc5403.txt

and there is a 3rd version being proposed:
There is a third version that we don't currently implement:

- https://tools.ietf.org/id/draft-williams-rpcsecgssv3.txt
(At draft n. 02 at the time of writing)
- RFC7861 v3: https://tools.ietf.org/rfc/rfc7861.txt

Background
==========
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2 changes: 2 additions & 0 deletions MAINTAINERS
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Expand Up @@ -9556,6 +9556,7 @@ F: include/linux/sunrpc/
F: include/uapi/linux/nfsd/
F: include/uapi/linux/sunrpc/
F: net/sunrpc/
F: Documentation/filesystems/nfs/

KERNEL SELFTEST FRAMEWORK
M: Shuah Khan <[email protected]>
Expand Down Expand Up @@ -12337,6 +12338,7 @@ F: include/linux/sunrpc/
F: include/uapi/linux/nfs*
F: include/uapi/linux/sunrpc/
F: net/sunrpc/
F: Documentation/filesystems/nfs/

NILFS2 FILESYSTEM
M: Ryusuke Konishi <[email protected]>
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248 changes: 199 additions & 49 deletions fs/lockd/svc4proc.c
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Expand Up @@ -486,65 +486,215 @@ nlm4svc_proc_granted_res(struct svc_rqst *rqstp)
return rpc_success;
}

static __be32
nlm4svc_proc_unused(struct svc_rqst *rqstp)
{
return rpc_proc_unavail;
}


/*
* NLM Server procedures.
*/

#define nlm4svc_encode_norep nlm4svc_encode_void
#define nlm4svc_decode_norep nlm4svc_decode_void
#define nlm4svc_decode_testres nlm4svc_decode_void
#define nlm4svc_decode_lockres nlm4svc_decode_void
#define nlm4svc_decode_unlockres nlm4svc_decode_void
#define nlm4svc_decode_cancelres nlm4svc_decode_void
#define nlm4svc_decode_grantedres nlm4svc_decode_void

#define nlm4svc_proc_none nlm4svc_proc_null
#define nlm4svc_proc_test_res nlm4svc_proc_null
#define nlm4svc_proc_lock_res nlm4svc_proc_null
#define nlm4svc_proc_cancel_res nlm4svc_proc_null
#define nlm4svc_proc_unlock_res nlm4svc_proc_null

struct nlm_void { int dummy; };

#define PROC(name, xargt, xrest, argt, rest, respsize) \
{ .pc_func = nlm4svc_proc_##name, \
.pc_decode = nlm4svc_decode_##xargt, \
.pc_encode = nlm4svc_encode_##xrest, \
.pc_release = NULL, \
.pc_argsize = sizeof(struct nlm_##argt), \
.pc_ressize = sizeof(struct nlm_##rest), \
.pc_xdrressize = respsize, \
}
#define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */
#define No (1+1024/4) /* netobj */
#define St 1 /* status */
#define Rg 4 /* range (offset + length) */
const struct svc_procedure nlmsvc_procedures4[] = {
PROC(null, void, void, void, void, 1),
PROC(test, testargs, testres, args, res, Ck+St+2+No+Rg),
PROC(lock, lockargs, res, args, res, Ck+St),
PROC(cancel, cancargs, res, args, res, Ck+St),
PROC(unlock, unlockargs, res, args, res, Ck+St),
PROC(granted, testargs, res, args, res, Ck+St),
PROC(test_msg, testargs, norep, args, void, 1),
PROC(lock_msg, lockargs, norep, args, void, 1),
PROC(cancel_msg, cancargs, norep, args, void, 1),
PROC(unlock_msg, unlockargs, norep, args, void, 1),
PROC(granted_msg, testargs, norep, args, void, 1),
PROC(test_res, testres, norep, res, void, 1),
PROC(lock_res, lockres, norep, res, void, 1),
PROC(cancel_res, cancelres, norep, res, void, 1),
PROC(unlock_res, unlockres, norep, res, void, 1),
PROC(granted_res, res, norep, res, void, 1),
/* statd callback */
PROC(sm_notify, reboot, void, reboot, void, 1),
PROC(none, void, void, void, void, 0),
PROC(none, void, void, void, void, 0),
PROC(none, void, void, void, void, 0),
PROC(share, shareargs, shareres, args, res, Ck+St+1),
PROC(unshare, shareargs, shareres, args, res, Ck+St+1),
PROC(nm_lock, lockargs, res, args, res, Ck+St),
PROC(free_all, notify, void, args, void, 1),

const struct svc_procedure nlmsvc_procedures4[24] = {
[NLMPROC_NULL] = {
.pc_func = nlm4svc_proc_null,
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_void),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
[NLMPROC_TEST] = {
.pc_func = nlm4svc_proc_test,
.pc_decode = nlm4svc_decode_testargs,
.pc_encode = nlm4svc_encode_testres,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St+2+No+Rg,
},
[NLMPROC_LOCK] = {
.pc_func = nlm4svc_proc_lock,
.pc_decode = nlm4svc_decode_lockargs,
.pc_encode = nlm4svc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
},
[NLMPROC_CANCEL] = {
.pc_func = nlm4svc_proc_cancel,
.pc_decode = nlm4svc_decode_cancargs,
.pc_encode = nlm4svc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
},
[NLMPROC_UNLOCK] = {
.pc_func = nlm4svc_proc_unlock,
.pc_decode = nlm4svc_decode_unlockargs,
.pc_encode = nlm4svc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
},
[NLMPROC_GRANTED] = {
.pc_func = nlm4svc_proc_granted,
.pc_decode = nlm4svc_decode_testargs,
.pc_encode = nlm4svc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
},
[NLMPROC_TEST_MSG] = {
.pc_func = nlm4svc_proc_test_msg,
.pc_decode = nlm4svc_decode_testargs,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
[NLMPROC_LOCK_MSG] = {
.pc_func = nlm4svc_proc_lock_msg,
.pc_decode = nlm4svc_decode_lockargs,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
[NLMPROC_CANCEL_MSG] = {
.pc_func = nlm4svc_proc_cancel_msg,
.pc_decode = nlm4svc_decode_cancargs,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
[NLMPROC_UNLOCK_MSG] = {
.pc_func = nlm4svc_proc_unlock_msg,
.pc_decode = nlm4svc_decode_unlockargs,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
[NLMPROC_GRANTED_MSG] = {
.pc_func = nlm4svc_proc_granted_msg,
.pc_decode = nlm4svc_decode_testargs,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
[NLMPROC_TEST_RES] = {
.pc_func = nlm4svc_proc_null,
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
[NLMPROC_LOCK_RES] = {
.pc_func = nlm4svc_proc_null,
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
[NLMPROC_CANCEL_RES] = {
.pc_func = nlm4svc_proc_null,
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
[NLMPROC_UNLOCK_RES] = {
.pc_func = nlm4svc_proc_null,
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
[NLMPROC_GRANTED_RES] = {
.pc_func = nlm4svc_proc_granted_res,
.pc_decode = nlm4svc_decode_res,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_res),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
[NLMPROC_NSM_NOTIFY] = {
.pc_func = nlm4svc_proc_sm_notify,
.pc_decode = nlm4svc_decode_reboot,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_reboot),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
[17] = {
.pc_func = nlm4svc_proc_unused,
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_void),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = 0,
},
[18] = {
.pc_func = nlm4svc_proc_unused,
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_void),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = 0,
},
[19] = {
.pc_func = nlm4svc_proc_unused,
.pc_decode = nlm4svc_decode_void,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_void),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = 0,
},
[NLMPROC_SHARE] = {
.pc_func = nlm4svc_proc_share,
.pc_decode = nlm4svc_decode_shareargs,
.pc_encode = nlm4svc_encode_shareres,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St+1,
},
[NLMPROC_UNSHARE] = {
.pc_func = nlm4svc_proc_unshare,
.pc_decode = nlm4svc_decode_shareargs,
.pc_encode = nlm4svc_encode_shareres,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St+1,
},
[NLMPROC_NM_LOCK] = {
.pc_func = nlm4svc_proc_nm_lock,
.pc_decode = nlm4svc_decode_lockargs,
.pc_encode = nlm4svc_encode_res,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_res),
.pc_xdrressize = Ck+St,
},
[NLMPROC_FREE_ALL] = {
.pc_func = nlm4svc_proc_free_all,
.pc_decode = nlm4svc_decode_notify,
.pc_encode = nlm4svc_encode_void,
.pc_argsize = sizeof(struct nlm_args),
.pc_ressize = sizeof(struct nlm_void),
.pc_xdrressize = St,
},
};
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