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NFS Client Updates for Linux 5.8

Browse Source 
New features and improvements:
 - Sunrpc receive buffer sizes only change when establishing a GSS credentials
 - Add more sunrpc tracepoints
 - Improve on tracepoints to capture internal NFS I/O errors
 
 Other bugfixes and cleanups:
 - Move a dprintk() to after a call to nfs_alloc_fattr()
 - Fix off-by-one issues in rpc_ntop6
 - Fix a few coccicheck warnings
 - Use the correct SPDX license identifiers
 - Fix rpc_call_done assignment for BIND_CONN_TO_SESSION
 - Replace zero-length array with flexible array
 - Remove duplicate headers
 - Set invalid blocks after NFSv4 writes to update space_used attribute
 - Fix direct WRITE throughput regression
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Merge tag 'nfs-for-5.8-1' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client updates from Anna Schumaker:
 "New features and improvements:
   - Sunrpc receive buffer sizes only change when establishing a GSS credentials
   - Add more sunrpc tracepoints
   - Improve on tracepoints to capture internal NFS I/O errors

  Other bugfixes and cleanups:
   - Move a dprintk() to after a call to nfs_alloc_fattr()
   - Fix off-by-one issues in rpc_ntop6
   - Fix a few coccicheck warnings
   - Use the correct SPDX license identifiers
   - Fix rpc_call_done assignment for BIND_CONN_TO_SESSION
   - Replace zero-length array with flexible array
   - Remove duplicate headers
   - Set invalid blocks after NFSv4 writes to update space_used attribute
   - Fix direct WRITE throughput regression"

* tag 'nfs-for-5.8-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (27 commits)
  NFS: Fix direct WRITE throughput regression
  SUNRPC: rpc_xprt lifetime events should record xprt->state
  xprtrdma: Make xprt_rdma_slot_table_entries static
  nfs: set invalid blocks after NFSv4 writes
  NFS: remove redundant initialization of variable result
  sunrpc: add missing newline when printing parameter 'auth_hashtable_size' by sysfs
  NFS: Add a tracepoint in nfs_set_pgio_error()
  NFS: Trace short NFS READs
  NFS: nfs_xdr_status should record the procedure name
  SUNRPC: Set SOFTCONN when destroying GSS contexts
  SUNRPC: rpc_call_null_helper() should set RPC_TASK_SOFT
  SUNRPC: rpc_call_null_helper() already sets RPC_TASK_NULLCREDS
  SUNRPC: trace RPC client lifetime events
  SUNRPC: Trace transport lifetime events
  SUNRPC: Split the xdr_buf event class
  SUNRPC: Add tracepoint to rpc_call_rpcerror()
  SUNRPC: Update the RPC_SHOW_SOCKET() macro
  SUNRPC: Update the rpc_show_task_flags() macro
  SUNRPC: Trace GSS context lifetimes
  SUNRPC: receive buffer size estimation values almost never change
  ...
This commit is contained in:
Linus Torvalds 2020-06-11 12:22:41 -07:00
commit a539568299
26 changed files with 575 additions and 153 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/nfs/direct.c
View File

@ -446,7 +446,7 @@ ssize_t nfs_file_direct_read(struct kiocb *iocb, struct iov_iter *iter)
struct inode *inode = mapping->host;
struct nfs_direct_req *dreq;
struct nfs_lock_context *l_ctx;
ssize_t result = -EINVAL, requested;
ssize_t result, requested;
size_t count = iov_iter_count(iter);
nfs_add_stats(mapping->host, NFSIOS_DIRECTREADBYTES, count);
@ -731,6 +731,8 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
nfs_list_remove_request(req);
if (request_commit) {
kref_get(&req->wb_kref);
memcpy(&req->wb_verf, &hdr->verf.verifier,
sizeof(req->wb_verf));
nfs_mark_request_commit(req, hdr->lseg, &cinfo,
hdr->ds_commit_idx);
}

1
fs/nfs/dns_resolve.c
View File

@ -39,7 +39,6 @@ ssize_t nfs_dns_resolve_name(struct net *net, char *name, size_t namelen,
#include <linux/string.h>
#include <linux/kmod.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/socket.h>
#include <linux/seq_file.h>
#include <linux/inet.h>

14
fs/nfs/inode.c
View File

@ -833,6 +833,8 @@ int nfs_getattr(const struct path *path, struct kstat *stat,
do_update |= cache_validity & NFS_INO_INVALID_ATIME;
if (request_mask & (STATX_CTIME|STATX_MTIME))
do_update |= cache_validity & NFS_INO_REVAL_PAGECACHE;
if (request_mask & STATX_BLOCKS)
do_update |= cache_validity & NFS_INO_INVALID_BLOCKS;
if (do_update) {
/* Update the attribute cache */
if (!(server->flags & NFS_MOUNT_NOAC))
@ -1764,7 +1766,8 @@ out_noforce:
status = nfs_post_op_update_inode_locked(inode, fattr,
NFS_INO_INVALID_CHANGE
| NFS_INO_INVALID_CTIME
| NFS_INO_INVALID_MTIME);
| NFS_INO_INVALID_MTIME
| NFS_INO_INVALID_BLOCKS);
return status;
}
@ -1871,7 +1874,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
nfsi->cache_validity &= ~(NFS_INO_INVALID_ATTR
| NFS_INO_INVALID_ATIME
| NFS_INO_REVAL_FORCED
| NFS_INO_REVAL_PAGECACHE);
| NFS_INO_REVAL_PAGECACHE
| NFS_INO_INVALID_BLOCKS);
/* Do atomic weak cache consistency updates */
nfs_wcc_update_inode(inode, fattr);
@ -2033,8 +2037,12 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
} else if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
inode->i_blocks = fattr->du.nfs2.blocks;
else
else {
nfsi->cache_validity |= save_cache_validity &
(NFS_INO_INVALID_BLOCKS
| NFS_INO_REVAL_FORCED);
cache_revalidated = false;
}
/* Update attrtimeo value if we're out of the unstable period */
if (attr_changed) {

2
fs/nfs/nfs3proc.c
View File

@ -179,11 +179,11 @@ nfs3_proc_lookup(struct inode *dir, struct dentry *dentry,
if (nfs_lookup_is_soft_revalidate(dentry))
task_flags |= RPC_TASK_TIMEOUT;
dprintk("NFS call lookup %pd2\n", dentry);
res.dir_attr = nfs_alloc_fattr();
if (res.dir_attr == NULL)
return -ENOMEM;
dprintk("NFS call lookup %pd2\n", dentry);
nfs_fattr_init(fattr);
status = rpc_call_sync(NFS_CLIENT(dir), &msg, task_flags);
nfs_refresh_inode(dir, res.dir_attr);

2
fs/nfs/nfs4proc.c
View File

@ -7909,7 +7909,7 @@ nfs4_bind_one_conn_to_session_done(struct rpc_task *task, void *calldata)
}
static const struct rpc_call_ops nfs4_bind_one_conn_to_session_ops = {
.rpc_call_done = &nfs4_bind_one_conn_to_session_done,
.rpc_call_done = nfs4_bind_one_conn_to_session_done,
};
/*

106
fs/nfs/nfstrace.h
View File

@ -961,6 +961,97 @@ TRACE_EVENT(nfs_readpage_done,
)
);
TRACE_EVENT(nfs_readpage_short,
TP_PROTO(
const struct rpc_task *task,
const struct nfs_pgio_header *hdr
),
TP_ARGS(task, hdr),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(u32, fhandle)
__field(u64, fileid)
__field(loff_t, offset)
__field(u32, arg_count)
__field(u32, res_count)
__field(bool, eof)
__field(int, status)
),
TP_fast_assign(
const struct inode *inode = hdr->inode;
const struct nfs_inode *nfsi = NFS_I(inode);
const struct nfs_fh *fh = hdr->args.fh ?
hdr->args.fh : &nfsi->fh;
__entry->status = task->tk_status;
__entry->offset = hdr->args.offset;
__entry->arg_count = hdr->args.count;
__entry->res_count = hdr->res.count;
__entry->eof = hdr->res.eof;
__entry->dev = inode->i_sb->s_dev;
__entry->fileid = nfsi->fileid;
__entry->fhandle = nfs_fhandle_hash(fh);
),
TP_printk(
"fileid=%02x:%02x:%llu fhandle=0x%08x "
"offset=%lld count=%u res=%u status=%d%s",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle,
(long long)__entry->offset, __entry->arg_count,
__entry->res_count, __entry->status,
__entry->eof ? " eof" : ""
)
);
TRACE_EVENT(nfs_pgio_error,
TP_PROTO(
const struct nfs_pgio_header *hdr,
int error,
loff_t pos
),
TP_ARGS(hdr, error, pos),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(u32, fhandle)
__field(u64, fileid)
__field(loff_t, offset)
__field(u32, arg_count)
__field(u32, res_count)
__field(loff_t, pos)
__field(int, status)
),
TP_fast_assign(
const struct inode *inode = hdr->inode;
const struct nfs_inode *nfsi = NFS_I(inode);
const struct nfs_fh *fh = hdr->args.fh ?
hdr->args.fh : &nfsi->fh;
__entry->status = error;
__entry->offset = hdr->args.offset;
__entry->arg_count = hdr->args.count;
__entry->res_count = hdr->res.count;
__entry->dev = inode->i_sb->s_dev;
__entry->fileid = nfsi->fileid;
__entry->fhandle = nfs_fhandle_hash(fh);
),
TP_printk("fileid=%02x:%02x:%llu fhandle=0x%08x "
"offset=%lld count=%u res=%u pos=%llu status=%d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid, __entry->fhandle,
(long long)__entry->offset, __entry->arg_count, __entry->res_count,
__entry->pos, __entry->status
)
);
TRACE_DEFINE_ENUM(NFS_UNSTABLE);
TRACE_DEFINE_ENUM(NFS_DATA_SYNC);
TRACE_DEFINE_ENUM(NFS_FILE_SYNC);
@ -1312,7 +1403,12 @@ TRACE_EVENT(nfs_xdr_status,
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(u32, xid)
__field(int, version)
__field(unsigned long, error)
__string(program,
xdr->rqst->rq_task->tk_client->cl_program->name)
__string(procedure,
xdr->rqst->rq_task->tk_msg.rpc_proc->p_name)
),
TP_fast_assign(
@ -1322,13 +1418,19 @@ TRACE_EVENT(nfs_xdr_status,
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
__entry->xid = be32_to_cpu(rqstp->rq_xid);
__entry->version = task->tk_client->cl_vers;
__entry->error = error;
__assign_str(program,
task->tk_client->cl_program->name)
__assign_str(procedure, task->tk_msg.rpc_proc->p_name)
),
TP_printk(
"task:%u@%d xid=0x%08x error=%ld (%s)",
"task:%u@%d xid=0x%08x %sv%d %s error=%ld (%s)",
__entry->task_id, __entry->client_id, __entry->xid,
-__entry->error, nfs_show_status(__entry->error)
__get_str(program), __entry->version,
__get_str(procedure), -__entry->error,
nfs_show_status(__entry->error)
)
);

2
fs/nfs/pagelist.c
View File

@ -24,6 +24,7 @@
#include "internal.h"
#include "pnfs.h"
#include "nfstrace.h"
#define NFSDBG_FACILITY NFSDBG_PAGECACHE
@ -64,6 +65,7 @@ void nfs_set_pgio_error(struct nfs_pgio_header *hdr, int error, loff_t pos)
{
unsigned int new = pos - hdr->io_start;
trace_nfs_pgio_error(hdr, error, pos);
if (hdr->good_bytes > new) {
hdr->good_bytes = new;
clear_bit(NFS_IOHDR_EOF, &hdr->flags);

2
fs/nfs/read.c
View File

@ -264,6 +264,8 @@ static void nfs_readpage_retry(struct rpc_task *task,
/* This is a short read! */
nfs_inc_stats(hdr->inode, NFSIOS_SHORTREAD);
trace_nfs_readpage_short(task, hdr);
/* Has the server at least made some progress? */
if (resp->count == 0) {
nfs_set_pgio_error(hdr, -EIO, argp->offset);

2
fs/nfs/sysfs.h
View File

@ -1,4 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 Hammerspace Inc
*/

4
include/linux/nfs4.h
View File

@ -38,7 +38,7 @@ struct nfs4_ace {
struct nfs4_acl {
uint32_t naces;
struct nfs4_ace aces[0];
struct nfs4_ace aces[];
};
#define NFS4_MAXLABELLEN 2048
@ -295,7 +295,7 @@ static inline bool seqid_mutating_err(u32 err)
case NFS4ERR_NOFILEHANDLE:
case NFS4ERR_MOVED:
return false;
};
}
return true;
}

1
include/linux/nfs_fs.h
View File

@ -230,6 +230,7 @@ struct nfs4_copy_state {
#define NFS_INO_INVALID_OTHER BIT(12) /* other attrs are invalid */
#define NFS_INO_DATA_INVAL_DEFER \
BIT(13) /* Deferred cache invalidation */
#define NFS_INO_INVALID_BLOCKS BIT(14) /* cached blocks are invalid */
#define NFS_INO_INVALID_ATTR (NFS_INO_INVALID_CHANGE \
| NFS_INO_INVALID_CTIME \

2
include/linux/nfs_xdr.h
View File

@ -1227,7 +1227,7 @@ struct nfs4_secinfo4 {
struct nfs4_secinfo_flavors {
unsigned int num_flavors;
struct nfs4_secinfo4 flavors[0];
struct nfs4_secinfo4 flavors[];
};
struct nfs4_secinfo_arg {

5
include/linux/sunrpc/auth.h
View File

@ -76,7 +76,7 @@ struct rpc_auth {
unsigned int au_verfsize; /* size of reply verifier */
unsigned int au_ralign; /* words before UL header */
unsigned int au_flags;
unsigned long au_flags;
const struct rpc_authops *au_ops;
rpc_authflavor_t au_flavor; /* pseudoflavor (note may
* differ from the flavor in
@ -89,7 +89,8 @@ struct rpc_auth {
};
/* rpc_auth au_flags */
#define RPCAUTH_AUTH_DATATOUCH 0x00000002
#define RPCAUTH_AUTH_DATATOUCH (1)
#define RPCAUTH_AUTH_UPDATE_SLACK (2)
struct rpc_auth_create_args {
rpc_authflavor_t pseudoflavor;

89
include/trace/events/rpcgss.h
View File

@ -17,6 +17,16 @@
** GSS-API related trace events
**/
TRACE_DEFINE_ENUM(RPC_GSS_SVC_NONE);
TRACE_DEFINE_ENUM(RPC_GSS_SVC_INTEGRITY);
TRACE_DEFINE_ENUM(RPC_GSS_SVC_PRIVACY);
#define show_gss_service(x) \
__print_symbolic(x, \
{ RPC_GSS_SVC_NONE, "none" }, \
{ RPC_GSS_SVC_INTEGRITY, "integrity" }, \
{ RPC_GSS_SVC_PRIVACY, "privacy" })
TRACE_DEFINE_ENUM(GSS_S_BAD_MECH);
TRACE_DEFINE_ENUM(GSS_S_BAD_NAME);
TRACE_DEFINE_ENUM(GSS_S_BAD_NAMETYPE);
@ -126,6 +136,40 @@ DEFINE_GSSAPI_EVENT(verify_mic);
DEFINE_GSSAPI_EVENT(wrap);
DEFINE_GSSAPI_EVENT(unwrap);
DECLARE_EVENT_CLASS(rpcgss_ctx_class,
TP_PROTO(
const struct gss_cred *gc
),
TP_ARGS(gc),
TP_STRUCT__entry(
__field(const void *, cred)
__field(unsigned long, service)
__string(principal, gc->gc_principal)
),
TP_fast_assign(
__entry->cred = gc;
__entry->service = gc->gc_service;
__assign_str(principal, gc->gc_principal)
),
TP_printk("cred=%p service=%s principal='%s'",
__entry->cred, show_gss_service(__entry->service),
__get_str(principal))
);
#define DEFINE_CTX_EVENT(name) \
DEFINE_EVENT(rpcgss_ctx_class, rpcgss_ctx_##name, \
TP_PROTO( \
const struct gss_cred *gc \
), \
TP_ARGS(gc))
DEFINE_CTX_EVENT(init);
DEFINE_CTX_EVENT(destroy);
TRACE_EVENT(rpcgss_svc_accept_upcall,
TP_PROTO(
__be32 xid,
@ -291,6 +335,40 @@ TRACE_EVENT(rpcgss_need_reencode,
__entry->ret ? "" : "un")
);
TRACE_EVENT(rpcgss_update_slack,
TP_PROTO(
const struct rpc_task *task,
const struct rpc_auth *auth
),
TP_ARGS(task, auth),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(u32, xid)
__field(const void *, auth)
__field(unsigned int, rslack)
__field(unsigned int, ralign)
__field(unsigned int, verfsize)
),
TP_fast_assign(
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
__entry->xid = be32_to_cpu(task->tk_rqstp->rq_xid);
__entry->auth = auth;
__entry->rslack = auth->au_rslack;
__entry->ralign = auth->au_ralign;
__entry->verfsize = auth->au_verfsize;
),
TP_printk("task:%u@%u xid=0x%08x auth=%p rslack=%u ralign=%u verfsize=%u\n",
__entry->task_id, __entry->client_id, __entry->xid,
__entry->auth, __entry->rslack, __entry->ralign,
__entry->verfsize)
);
DECLARE_EVENT_CLASS(rpcgss_svc_seqno_class,
TP_PROTO(
__be32 xid,
@ -371,6 +449,7 @@ TRACE_EVENT(rpcgss_upcall_result,
TRACE_EVENT(rpcgss_context,
TP_PROTO(
u32 window_size,
unsigned long expiry,
unsigned long now,
unsigned int timeout,
@ -378,12 +457,13 @@ TRACE_EVENT(rpcgss_context,
const u8 *data
),
TP_ARGS(expiry, now, timeout, len, data),
TP_ARGS(window_size, expiry, now, timeout, len, data),
TP_STRUCT__entry(
__field(unsigned long, expiry)
__field(unsigned long, now)
__field(unsigned int, timeout)
__field(u32, window_size)
__field(int, len)
__string(acceptor, data)
),
@ -392,13 +472,14 @@ TRACE_EVENT(rpcgss_context,
__entry->expiry = expiry;
__entry->now = now;
__entry->timeout = timeout;
__entry->window_size = window_size;
__entry->len = len;
strncpy(__get_str(acceptor), data, len);
),
TP_printk("gc_expiry=%lu now=%lu timeout=%u acceptor=%.*s",
__entry->expiry, __entry->now, __entry->timeout,
__entry->len, __get_str(acceptor))
TP_printk("win_size=%u expiry=%lu now=%lu timeout=%u acceptor=%.*s",
__entry->window_size, __entry->expiry, __entry->now,
__entry->timeout, __entry->len, __get_str(acceptor))
);

4
include/trace/events/rpcrdma.h
View File

@ -380,12 +380,8 @@ TRACE_EVENT(xprtrdma_inline_thresh,
DEFINE_CONN_EVENT(connect);
DEFINE_CONN_EVENT(disconnect);
DEFINE_CONN_EVENT(flush_dct);
DEFINE_RXPRT_EVENT(xprtrdma_create);
DEFINE_RXPRT_EVENT(xprtrdma_op_destroy);
DEFINE_RXPRT_EVENT(xprtrdma_op_inject_dsc);
DEFINE_RXPRT_EVENT(xprtrdma_op_close);
DEFINE_RXPRT_EVENT(xprtrdma_op_setport);
TRACE_EVENT(xprtrdma_op_connect,

329
include/trace/events/sunrpc.h
View File

@ -47,14 +47,17 @@ TRACE_DEFINE_ENUM(AF_INET6);
{ AF_INET, "AF_INET" }, \
{ AF_INET6, "AF_INET6" })
DECLARE_EVENT_CLASS(xdr_buf_class,
DECLARE_EVENT_CLASS(rpc_xdr_buf_class,
TP_PROTO(
const struct rpc_task *task,
const struct xdr_buf *xdr
),
TP_ARGS(xdr),
TP_ARGS(task, xdr),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(const void *, head_base)
__field(size_t, head_len)
__field(const void *, tail_base)
@ -64,6 +67,8 @@ DECLARE_EVENT_CLASS(xdr_buf_class,
),
TP_fast_assign(
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
__entry->head_base = xdr->head[0].iov_base;
__entry->head_len = xdr->head[0].iov_len;
__entry->tail_base = xdr->tail[0].iov_base;
@ -72,23 +77,137 @@ DECLARE_EVENT_CLASS(xdr_buf_class,
__entry->msg_len = xdr->len;
),
TP_printk("head=[%p,%zu] page=%u tail=[%p,%zu] len=%u",
TP_printk("task:%u@%u head=[%p,%zu] page=%u tail=[%p,%zu] len=%u",
__entry->task_id, __entry->client_id,
__entry->head_base, __entry->head_len, __entry->page_len,
__entry->tail_base, __entry->tail_len, __entry->msg_len
)
);
#define DEFINE_XDRBUF_EVENT(name) \
DEFINE_EVENT(xdr_buf_class, name, \
#define DEFINE_RPCXDRBUF_EVENT(name) \
DEFINE_EVENT(rpc_xdr_buf_class, \
rpc_xdr_##name, \
TP_PROTO( \
const struct rpc_task *task, \
const struct xdr_buf *xdr \
), \
TP_ARGS(xdr))
TP_ARGS(task, xdr))
DEFINE_RPCXDRBUF_EVENT(sendto);
DEFINE_RPCXDRBUF_EVENT(recvfrom);
DEFINE_RPCXDRBUF_EVENT(reply_pages);
DECLARE_EVENT_CLASS(rpc_clnt_class,
TP_PROTO(
const struct rpc_clnt *clnt
),
TP_ARGS(clnt),
TP_STRUCT__entry(
__field(unsigned int, client_id)
),
TP_fast_assign(
__entry->client_id = clnt->cl_clid;
),
TP_printk("clid=%u", __entry->client_id)
);
#define DEFINE_RPC_CLNT_EVENT(name) \
DEFINE_EVENT(rpc_clnt_class, \
rpc_clnt_##name, \
TP_PROTO( \
const struct rpc_clnt *clnt \
), \
TP_ARGS(clnt))
DEFINE_RPC_CLNT_EVENT(free);
DEFINE_RPC_CLNT_EVENT(killall);
DEFINE_RPC_CLNT_EVENT(shutdown);
DEFINE_RPC_CLNT_EVENT(release);
DEFINE_RPC_CLNT_EVENT(replace_xprt);
DEFINE_RPC_CLNT_EVENT(replace_xprt_err);
TRACE_EVENT(rpc_clnt_new,
TP_PROTO(
const struct rpc_clnt *clnt,
const struct rpc_xprt *xprt,
const char *program,
const char *server
),
TP_ARGS(clnt, xprt, program, server),
TP_STRUCT__entry(
__field(unsigned int, client_id)
__string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
__string(port, xprt->address_strings[RPC_DISPLAY_PORT])
__string(program, program)
__string(server, server)
),
TP_fast_assign(
__entry->client_id = clnt->cl_clid;
__assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
__assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
__assign_str(program, program)
__assign_str(server, server)
),
TP_printk("client=%u peer=[%s]:%s program=%s server=%s",
__entry->client_id, __get_str(addr), __get_str(port),
__get_str(program), __get_str(server))
);
TRACE_EVENT(rpc_clnt_new_err,
TP_PROTO(
const char *program,
const char *server,
int error
),
TP_ARGS(program, server, error),
TP_STRUCT__entry(
__field(int, error)
__string(program, program)
__string(server, server)
),
TP_fast_assign(
__entry->error = error;
__assign_str(program, program)
__assign_str(server, server)
),
TP_printk("program=%s server=%s error=%d",
__get_str(program), __get_str(server), __entry->error)
);
TRACE_EVENT(rpc_clnt_clone_err,
TP_PROTO(
const struct rpc_clnt *clnt,
int error
),
TP_ARGS(clnt, error),
TP_STRUCT__entry(
__field(unsigned int, client_id)
__field(int, error)
),
TP_fast_assign(
__entry->client_id = clnt->cl_clid;
__entry->error = error;
),
TP_printk("client=%u error=%d", __entry->client_id, __entry->error)
);
DEFINE_XDRBUF_EVENT(xprt_sendto);
DEFINE_XDRBUF_EVENT(xprt_recvfrom);
DEFINE_XDRBUF_EVENT(svc_recvfrom);
DEFINE_XDRBUF_EVENT(svc_sendto);
TRACE_DEFINE_ENUM(RPC_AUTH_OK);
TRACE_DEFINE_ENUM(RPC_AUTH_BADCRED);
@ -175,29 +294,35 @@ TRACE_EVENT(rpc_request,
TRACE_DEFINE_ENUM(RPC_TASK_ASYNC);
TRACE_DEFINE_ENUM(RPC_TASK_SWAPPER);
TRACE_DEFINE_ENUM(RPC_TASK_NULLCREDS);
TRACE_DEFINE_ENUM(RPC_CALL_MAJORSEEN);
TRACE_DEFINE_ENUM(RPC_TASK_ROOTCREDS);
TRACE_DEFINE_ENUM(RPC_TASK_DYNAMIC);
TRACE_DEFINE_ENUM(RPC_TASK_NO_ROUND_ROBIN);
TRACE_DEFINE_ENUM(RPC_TASK_SOFT);
TRACE_DEFINE_ENUM(RPC_TASK_SOFTCONN);
TRACE_DEFINE_ENUM(RPC_TASK_SENT);
TRACE_DEFINE_ENUM(RPC_TASK_TIMEOUT);
TRACE_DEFINE_ENUM(RPC_TASK_NOCONNECT);
TRACE_DEFINE_ENUM(RPC_TASK_NO_RETRANS_TIMEOUT);
TRACE_DEFINE_ENUM(RPC_TASK_CRED_NOREF);
#define rpc_show_task_flags(flags) \
__print_flags(flags, "|", \
{ RPC_TASK_ASYNC, "ASYNC" }, \
{ RPC_TASK_SWAPPER, "SWAPPER" }, \
{ RPC_TASK_NULLCREDS, "NULLCREDS" }, \
{ RPC_CALL_MAJORSEEN, "MAJORSEEN" }, \
{ RPC_TASK_ROOTCREDS, "ROOTCREDS" }, \
{ RPC_TASK_DYNAMIC, "DYNAMIC" }, \
{ RPC_TASK_NO_ROUND_ROBIN, "NO_ROUND_ROBIN" }, \
{ RPC_TASK_SOFT, "SOFT" }, \
{ RPC_TASK_SOFTCONN, "SOFTCONN" }, \
{ RPC_TASK_SENT, "SENT" }, \
{ RPC_TASK_TIMEOUT, "TIMEOUT" }, \
{ RPC_TASK_NOCONNECT, "NOCONNECT" }, \
{ RPC_TASK_NO_RETRANS_TIMEOUT, "NORTO" })
{ RPC_TASK_NO_RETRANS_TIMEOUT, "NORTO" }, \
{ RPC_TASK_CRED_NOREF, "CRED_NOREF" })
TRACE_DEFINE_ENUM(RPC_TASK_RUNNING);
TRACE_DEFINE_ENUM(RPC_TASK_QUEUED);
@ -392,6 +517,34 @@ DEFINE_RPC_REPLY_EVENT(stale_creds);
DEFINE_RPC_REPLY_EVENT(bad_creds);
DEFINE_RPC_REPLY_EVENT(auth_tooweak);
TRACE_EVENT(rpc_call_rpcerror,
TP_PROTO(
const struct rpc_task *task,
int tk_status,
int rpc_status
),
TP_ARGS(task, tk_status, rpc_status),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(int, tk_status)
__field(int, rpc_status)
),
TP_fast_assign(
__entry->client_id = task->tk_client->cl_clid;
__entry->task_id = task->tk_pid;
__entry->tk_status = tk_status;
__entry->rpc_status = rpc_status;
),
TP_printk("task:%u@%u tk_status=%d rpc_status=%d",
__entry->task_id, __entry->client_id,
__entry->tk_status, __entry->rpc_status)
);
TRACE_EVENT(rpc_stats_latency,
TP_PROTO(
@ -559,43 +712,6 @@ TRACE_EVENT(rpc_xdr_alignment,
)
);
TRACE_EVENT(rpc_reply_pages,
TP_PROTO(
const struct rpc_rqst *req
),
TP_ARGS(req),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(const void *, head_base)
__field(size_t, head_len)
__field(const void *, tail_base)
__field(size_t, tail_len)
__field(unsigned int, page_len)
),
TP_fast_assign(
__entry->task_id = req->rq_task->tk_pid;
__entry->client_id = req->rq_task->tk_client->cl_clid;
__entry->head_base = req->rq_rcv_buf.head[0].iov_base;
__entry->head_len = req->rq_rcv_buf.head[0].iov_len;
__entry->page_len = req->rq_rcv_buf.page_len;
__entry->tail_base = req->rq_rcv_buf.tail[0].iov_base;
__entry->tail_len = req->rq_rcv_buf.tail[0].iov_len;
),
TP_printk(
"task:%u@%u xdr=[%p,%zu]/%u/[%p,%zu]\n",
__entry->task_id, __entry->client_id,
__entry->head_base, __entry->head_len,
__entry->page_len,
__entry->tail_base, __entry->tail_len
)
);
/*
* First define the enums in the below macros to be exported to userspace
* via TRACE_DEFINE_ENUM().
@ -608,9 +724,9 @@ TRACE_EVENT(rpc_reply_pages,
#define RPC_SHOW_SOCKET \
EM( SS_FREE, "FREE" ) \
EM( SS_UNCONNECTED, "UNCONNECTED" ) \
EM( SS_CONNECTING, "CONNECTING," ) \
EM( SS_CONNECTED, "CONNECTED," ) \
EMe(SS_DISCONNECTING, "DISCONNECTING" )
EM( SS_CONNECTING, "CONNECTING" ) \
EM( SS_CONNECTED, "CONNECTED" ) \
EMe( SS_DISCONNECTING, "DISCONNECTING" )
#define rpc_show_socket_state(state) \
__print_symbolic(state, RPC_SHOW_SOCKET)
@ -752,6 +868,69 @@ DEFINE_RPC_SOCKET_EVENT_DONE(rpc_socket_reset_connection);
DEFINE_RPC_SOCKET_EVENT(rpc_socket_close);
DEFINE_RPC_SOCKET_EVENT(rpc_socket_shutdown);
TRACE_DEFINE_ENUM(XPRT_LOCKED);
TRACE_DEFINE_ENUM(XPRT_CONNECTED);
TRACE_DEFINE_ENUM(XPRT_CONNECTING);
TRACE_DEFINE_ENUM(XPRT_CLOSE_WAIT);
TRACE_DEFINE_ENUM(XPRT_BOUND);
TRACE_DEFINE_ENUM(XPRT_BINDING);
TRACE_DEFINE_ENUM(XPRT_CLOSING);
TRACE_DEFINE_ENUM(XPRT_CONGESTED);
TRACE_DEFINE_ENUM(XPRT_CWND_WAIT);
TRACE_DEFINE_ENUM(XPRT_WRITE_SPACE);
#define rpc_show_xprt_state(x) \
__print_flags(x, "|", \
{ (1UL << XPRT_LOCKED), "LOCKED"}, \
{ (1UL << XPRT_CONNECTED), "CONNECTED"}, \
{ (1UL << XPRT_CONNECTING), "CONNECTING"}, \
{ (1UL << XPRT_CLOSE_WAIT), "CLOSE_WAIT"}, \
{ (1UL << XPRT_BOUND), "BOUND"}, \
{ (1UL << XPRT_BINDING), "BINDING"}, \
{ (1UL << XPRT_CLOSING), "CLOSING"}, \
{ (1UL << XPRT_CONGESTED), "CONGESTED"}, \
{ (1UL << XPRT_CWND_WAIT), "CWND_WAIT"}, \
{ (1UL << XPRT_WRITE_SPACE), "WRITE_SPACE"})
DECLARE_EVENT_CLASS(rpc_xprt_lifetime_class,
TP_PROTO(
const struct rpc_xprt *xprt
),
TP_ARGS(xprt),
TP_STRUCT__entry(
__field(unsigned long, state)
__string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
__string(port, xprt->address_strings[RPC_DISPLAY_PORT])
),
TP_fast_assign(
__entry->state = xprt->state;
__assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
__assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
),
TP_printk("peer=[%s]:%s state=%s",
__get_str(addr), __get_str(port),
rpc_show_xprt_state(__entry->state))
);
#define DEFINE_RPC_XPRT_LIFETIME_EVENT(name) \
DEFINE_EVENT(rpc_xprt_lifetime_class, \
xprt_##name, \
TP_PROTO( \
const struct rpc_xprt *xprt \
), \
TP_ARGS(xprt))
DEFINE_RPC_XPRT_LIFETIME_EVENT(create);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_auto);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_done);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_force);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_cleanup);
DEFINE_RPC_XPRT_LIFETIME_EVENT(destroy);
DECLARE_EVENT_CLASS(rpc_xprt_event,
TP_PROTO(
const struct rpc_xprt *xprt,
@ -1023,6 +1202,54 @@ TRACE_EVENT(xs_stream_read_request,
__entry->copied, __entry->reclen, __entry->offset)
);
DECLARE_EVENT_CLASS(svc_xdr_buf_class,
TP_PROTO(
const struct svc_rqst *rqst,
const struct xdr_buf *xdr
),
TP_ARGS(rqst, xdr),
TP_STRUCT__entry(
__field(u32, xid)
__field(const void *, head_base)
__field(size_t, head_len)
__field(const void *, tail_base)
__field(size_t, tail_len)
__field(unsigned int, page_len)
__field(unsigned int, msg_len)
),
TP_fast_assign(
__entry->xid = be32_to_cpu(rqst->rq_xid);
__entry->head_base = xdr->head[0].iov_base;
__entry->head_len = xdr->head[0].iov_len;
__entry->tail_base = xdr->tail[0].iov_base;
__entry->tail_len = xdr->tail[0].iov_len;
__entry->page_len = xdr->page_len;
__entry->msg_len = xdr->len;
),
TP_printk("xid=0x%08x head=[%p,%zu] page=%u tail=[%p,%zu] len=%u",
__entry->xid,
__entry->head_base, __entry->head_len, __entry->page_len,
__entry->tail_base, __entry->tail_len, __entry->msg_len
)
);
#define DEFINE_SVCXDRBUF_EVENT(name) \
DEFINE_EVENT(svc_xdr_buf_class, \
svc_xdr_##name, \
TP_PROTO( \
const struct svc_rqst *rqst, \
const struct xdr_buf *xdr \
), \
TP_ARGS(rqst, xdr))
DEFINE_SVCXDRBUF_EVENT(recvfrom);
DEFINE_SVCXDRBUF_EVENT(sendto);
#define show_rqstp_flags(flags) \
__print_flags(flags, "|", \
{ (1UL << RQ_SECURE), "RQ_SECURE"}, \

4
net/sunrpc/addr.c
View File

@ -82,11 +82,11 @@ static size_t rpc_ntop6(const struct sockaddr *sap,
rc = snprintf(scopebuf, sizeof(scopebuf), "%c%u",
IPV6_SCOPE_DELIMITER, sin6->sin6_scope_id);
if (unlikely((size_t)rc > sizeof(scopebuf)))
if (unlikely((size_t)rc >= sizeof(scopebuf)))
return 0;
len += rc;
if (unlikely(len > buflen))
if (unlikely(len >= buflen))
return 0;
strcat(buf, scopebuf);

2
net/sunrpc/auth.c
View File

@ -81,7 +81,7 @@ static int param_get_hashtbl_sz(char *buffer, const struct kernel_param *kp)
unsigned int nbits;
nbits = *(unsigned int *)kp->arg;
return sprintf(buffer, "%u", 1U << nbits);
return sprintf(buffer, "%u\n", 1U << nbits);
}
#define param_check_hashtbl_sz(name, p) __param_check(name, p, unsigned int);

56
net/sunrpc/auth_gss/auth_gss.c
View File

@ -254,7 +254,7 @@ gss_fill_context(const void *p, const void *end, struct gss_cl_ctx *ctx, struct
if (IS_ERR(p))
goto err;
done:
trace_rpcgss_context(ctx->gc_expiry, now, timeout,
trace_rpcgss_context(window_size, ctx->gc_expiry, now, timeout,
ctx->gc_acceptor.len, ctx->gc_acceptor.data);
err:
return p;
@ -697,10 +697,12 @@ retry:
}
schedule();
}
if (gss_msg->ctx)
if (gss_msg->ctx) {
trace_rpcgss_ctx_init(gss_cred);
gss_cred_set_ctx(cred, gss_msg->ctx);
else
} else {
err = gss_msg->msg.errno;
}
spin_unlock(&pipe->lock);
out_intr:
finish_wait(&gss_msg->waitqueue, &wait);
@ -1054,11 +1056,11 @@ gss_create_new(const struct rpc_auth_create_args *args, struct rpc_clnt *clnt)
auth->au_rslack = GSS_KRB5_MAX_SLACK_NEEDED >> 2;
auth->au_verfsize = GSS_VERF_SLACK >> 2;
auth->au_ralign = GSS_VERF_SLACK >> 2;
auth->au_flags = 0;
__set_bit(RPCAUTH_AUTH_UPDATE_SLACK, &auth->au_flags);
auth->au_ops = &authgss_ops;
auth->au_flavor = flavor;
if (gss_pseudoflavor_to_datatouch(gss_auth->mech, flavor))
auth->au_flags |= RPCAUTH_AUTH_DATATOUCH;
__set_bit(RPCAUTH_AUTH_DATATOUCH, &auth->au_flags);
refcount_set(&auth->au_count, 1);
kref_init(&gss_auth->kref);
@ -1284,8 +1286,9 @@ gss_send_destroy_context(struct rpc_cred *cred)
if (new) {
ctx->gc_proc = RPC_GSS_PROC_DESTROY;
trace_rpcgss_ctx_destroy(gss_cred);
task = rpc_call_null(gss_auth->client, &new->gc_base,
RPC_TASK_ASYNC|RPC_TASK_SOFT);
RPC_TASK_ASYNC);
if (!IS_ERR(task))
rpc_put_task(task);
@ -1349,7 +1352,6 @@ gss_destroy_nullcred(struct rpc_cred *cred)
static void
gss_destroy_cred(struct rpc_cred *cred)
{
if (test_and_clear_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags) != 0)
gss_send_destroy_context(cred);
gss_destroy_nullcred(cred);
@ -1613,6 +1615,7 @@ static int gss_renew_cred(struct rpc_task *task)
new = gss_lookup_cred(auth, &acred, RPCAUTH_LOOKUP_NEW);
if (IS_ERR(new))
return PTR_ERR(new);
task->tk_rqstp->rq_cred = new;
put_rpccred(oldcred);
return 0;
@ -1709,7 +1712,8 @@ gss_validate(struct rpc_task *task, struct xdr_stream *xdr)
/* We leave it to unwrap to calculate au_rslack. For now we just
* calculate the length of the verifier: */
cred->cr_auth->au_verfsize = XDR_QUADLEN(len) + 2;
if (test_bit(RPCAUTH_AUTH_UPDATE_SLACK, &cred->cr_auth->au_flags))
cred->cr_auth->au_verfsize = XDR_QUADLEN(len) + 2;
status = 0;
out:
gss_put_ctx(ctx);
@ -1927,13 +1931,30 @@ out:
return status;
}
static int
gss_unwrap_resp_auth(struct rpc_cred *cred)
/**
* gss_update_rslack - Possibly update RPC receive buffer size estimates
* @task: rpc_task for incoming RPC Reply being unwrapped
* @cred: controlling rpc_cred for @task
* @before: XDR words needed before each RPC Reply message
* @after: XDR words needed following each RPC Reply message
*
*/
static void gss_update_rslack(struct rpc_task *task, struct rpc_cred *cred,
unsigned int before, unsigned int after)
{
struct rpc_auth *auth = cred->cr_auth;
auth->au_rslack = auth->au_verfsize;
auth->au_ralign = auth->au_verfsize;
if (test_and_clear_bit(RPCAUTH_AUTH_UPDATE_SLACK, &auth->au_flags)) {
auth->au_ralign = auth->au_verfsize + before;
auth->au_rslack = auth->au_verfsize + after;
trace_rpcgss_update_slack(task, auth);
}
}
static int
gss_unwrap_resp_auth(struct rpc_task *task, struct rpc_cred *cred)
{
gss_update_rslack(task, cred, 0, 0);
return 0;
}
@ -1956,7 +1977,6 @@ gss_unwrap_resp_integ(struct rpc_task *task, struct rpc_cred *cred,
struct xdr_stream *xdr)
{
struct xdr_buf gss_data, *rcv_buf = &rqstp->rq_rcv_buf;
struct rpc_auth *auth = cred->cr_auth;
u32 len, offset, seqno, maj_stat;
struct xdr_netobj mic;
int ret;
@ -2005,8 +2025,7 @@ gss_unwrap_resp_integ(struct rpc_task *task, struct rpc_cred *cred,
if (maj_stat != GSS_S_COMPLETE)
goto bad_mic;
auth->au_rslack = auth->au_verfsize + 2 + 1 + XDR_QUADLEN(mic.len);
auth->au_ralign = auth->au_verfsize + 2;
gss_update_rslack(task, cred, 2, 2 + 1 + XDR_QUADLEN(mic.len));
ret = 0;
out:
@ -2031,7 +2050,6 @@ gss_unwrap_resp_priv(struct rpc_task *task, struct rpc_cred *cred,
{
struct xdr_buf *rcv_buf = &rqstp->rq_rcv_buf;
struct kvec *head = rqstp->rq_rcv_buf.head;
struct rpc_auth *auth = cred->cr_auth;
u32 offset, opaque_len, maj_stat;
__be32 *p;
@ -2058,8 +2076,8 @@ gss_unwrap_resp_priv(struct rpc_task *task, struct rpc_cred *cred,
*/
xdr_init_decode(xdr, rcv_buf, p, rqstp);
auth->au_rslack = auth->au_verfsize + 2 + ctx->gc_gss_ctx->slack;
auth->au_ralign = auth->au_verfsize + 2 + ctx->gc_gss_ctx->align;
gss_update_rslack(task, cred, 2 + ctx->gc_gss_ctx->align,
2 + ctx->gc_gss_ctx->slack);
return 0;
unwrap_failed:
@ -2130,7 +2148,7 @@ gss_unwrap_resp(struct rpc_task *task, struct xdr_stream *xdr)
goto out_decode;
switch (gss_cred->gc_service) {
case RPC_GSS_SVC_NONE:
status = gss_unwrap_resp_auth(cred);
status = gss_unwrap_resp_auth(task, cred);
break;
case RPC_GSS_SVC_INTEGRITY:
status = gss_unwrap_resp_integ(task, cred, ctx, rqstp, xdr);

1
net/sunrpc/auth_gss/trace.c
View File

@ -6,6 +6,7 @@
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/sched.h>
#include <linux/sunrpc/gss_err.h>
#include <linux/sunrpc/auth_gss.h>
#define CREATE_TRACE_POINTS
#include <trace/events/rpcgss.h>

54
net/sunrpc/clnt.c
View File

@ -370,10 +370,6 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args,
const char *nodename = args->nodename;
int err;
/* sanity check the name before trying to print it */
dprintk("RPC: creating %s client for %s (xprt %p)\n",
program->name, args->servername, xprt);
err = rpciod_up();
if (err)
goto out_no_rpciod;
@ -436,6 +432,8 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args,
goto out_no_path;
if (parent)
atomic_inc(&parent->cl_count);
trace_rpc_clnt_new(clnt, xprt, program->name, args->servername);
return clnt;
out_no_path:
@ -450,6 +448,7 @@ out_err:
out_no_rpciod:
xprt_switch_put(xps);
xprt_put(xprt);
trace_rpc_clnt_new_err(program->name, args->servername, err);
return ERR_PTR(err);
}
@ -634,10 +633,8 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args,
args->nodename = clnt->cl_nodename;
new = rpc_new_client(args, xps, xprt, clnt);
if (IS_ERR(new)) {
err = PTR_ERR(new);
goto out_err;
}
if (IS_ERR(new))
return new;
/* Turn off autobind on clones */
new->cl_autobind = 0;
@ -650,7 +647,7 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args,
return new;
out_err:
dprintk("RPC: %s: returned error %d\n", __func__, err);
trace_rpc_clnt_clone_err(clnt, err);
return ERR_PTR(err);
}
@ -723,11 +720,8 @@ int rpc_switch_client_transport(struct rpc_clnt *clnt,
int err;
xprt = xprt_create_transport(args);
if (IS_ERR(xprt)) {
dprintk("RPC: failed to create new xprt for clnt %p\n",
clnt);
if (IS_ERR(xprt))
return PTR_ERR(xprt);
}
xps = xprt_switch_alloc(xprt, GFP_KERNEL);
if (xps == NULL) {
@ -767,7 +761,7 @@ int rpc_switch_client_transport(struct rpc_clnt *clnt,
rpc_release_client(parent);
xprt_switch_put(oldxps);
xprt_put(old);
dprintk("RPC: replaced xprt for clnt %p\n", clnt);
trace_rpc_clnt_replace_xprt(clnt);
return 0;
out_revert:
@ -777,7 +771,7 @@ out_revert:
rpc_client_register(clnt, pseudoflavor, NULL);
xprt_switch_put(xps);
xprt_put(xprt);
dprintk("RPC: failed to switch xprt for clnt %p\n", clnt);
trace_rpc_clnt_replace_xprt_err(clnt);
return err;
}
EXPORT_SYMBOL_GPL(rpc_switch_client_transport);
@ -844,10 +838,11 @@ void rpc_killall_tasks(struct rpc_clnt *clnt)
if (list_empty(&clnt->cl_tasks))
return;
dprintk("RPC: killing all tasks for client %p\n", clnt);
/*
* Spin lock all_tasks to prevent changes...
*/
trace_rpc_clnt_killall(clnt);
spin_lock(&clnt->cl_lock);
list_for_each_entry(rovr, &clnt->cl_tasks, tk_task)
rpc_signal_task(rovr);
@ -863,9 +858,7 @@ void rpc_shutdown_client(struct rpc_clnt *clnt)
{
might_sleep();
dprintk_rcu("RPC: shutting down %s client for %s\n",
clnt->cl_program->name,
rcu_dereference(clnt->cl_xprt)->servername);
trace_rpc_clnt_shutdown(clnt);
while (!list_empty(&clnt->cl_tasks)) {
rpc_killall_tasks(clnt);
@ -884,6 +877,8 @@ static void rpc_free_client_work(struct work_struct *work)
{
struct rpc_clnt *clnt = container_of(work, struct rpc_clnt, cl_work);
trace_rpc_clnt_free(clnt);
/* These might block on processes that might allocate memory,
* so they cannot be called in rpciod, so they are handled separately
* here.
@ -901,9 +896,7 @@ rpc_free_client(struct rpc_clnt *clnt)
{
struct rpc_clnt *parent = NULL;
dprintk_rcu("RPC: destroying %s client for %s\n",
clnt->cl_program->name,
rcu_dereference(clnt->cl_xprt)->servername);
trace_rpc_clnt_release(clnt);
if (clnt->cl_parent != clnt)
parent = clnt->cl_parent;
rpc_unregister_client(clnt);
@ -945,8 +938,6 @@ rpc_free_auth(struct rpc_clnt *clnt)
void
rpc_release_client(struct rpc_clnt *clnt)
{
dprintk("RPC: rpc_release_client(%p)\n", clnt);
do {
if (list_empty(&clnt->cl_tasks))
wake_up(&destroy_wait);
@ -1270,7 +1261,7 @@ void rpc_prepare_reply_pages(struct rpc_rqst *req, struct page **pages,
hdrsize += RPC_REPHDRSIZE + req->rq_cred->cr_auth->au_ralign - 1;
xdr_inline_pages(&req->rq_rcv_buf, hdrsize << 2, pages, base, len);
trace_rpc_reply_pages(req);
trace_rpc_xdr_reply_pages(req->rq_task, &req->rq_rcv_buf);
}
EXPORT_SYMBOL_GPL(rpc_prepare_reply_pages);
@ -1624,6 +1615,7 @@ const char
static void
__rpc_call_rpcerror(struct rpc_task *task, int tk_status, int rpc_status)
{
trace_rpc_call_rpcerror(task, tk_status, rpc_status);
task->tk_rpc_status = rpc_status;
rpc_exit(task, tk_status);
}
@ -2531,7 +2523,7 @@ call_decode(struct rpc_task *task)
goto out;
req->rq_rcv_buf.len = req->rq_private_buf.len;
trace_xprt_recvfrom(&req->rq_rcv_buf);
trace_rpc_xdr_recvfrom(task, &req->rq_rcv_buf);
/* Check that the softirq receive buffer is valid */
WARN_ON(memcmp(&req->rq_rcv_buf, &req->rq_private_buf,
@ -2760,7 +2752,8 @@ struct rpc_task *rpc_call_null_helper(struct rpc_clnt *clnt,
.rpc_op_cred = cred,
.callback_ops = (ops != NULL) ? ops : &rpc_default_ops,
.callback_data = data,
.flags = flags | RPC_TASK_NULLCREDS,
.flags = flags | RPC_TASK_SOFT | RPC_TASK_SOFTCONN |
RPC_TASK_NULLCREDS,
};
return rpc_run_task(&task_setup_data);
@ -2823,8 +2816,7 @@ int rpc_clnt_test_and_add_xprt(struct rpc_clnt *clnt,
goto success;
}
task = rpc_call_null_helper(clnt, xprt, NULL,
RPC_TASK_SOFT|RPC_TASK_SOFTCONN|RPC_TASK_ASYNC|RPC_TASK_NULLCREDS,
task = rpc_call_null_helper(clnt, xprt, NULL, RPC_TASK_ASYNC,
&rpc_cb_add_xprt_call_ops, data);
rpc_put_task(task);
@ -2867,9 +2859,7 @@ int rpc_clnt_setup_test_and_add_xprt(struct rpc_clnt *clnt,
goto out_err;
/* Test the connection */
task = rpc_call_null_helper(clnt, xprt, NULL,
RPC_TASK_SOFT | RPC_TASK_SOFTCONN | RPC_TASK_NULLCREDS,
NULL, NULL);
task = rpc_call_null_helper(clnt, xprt, NULL, 0, NULL, NULL);
if (IS_ERR(task)) {
status = PTR_ERR(task);
goto out_err;

4
net/sunrpc/svc_xprt.c
View File

@ -814,7 +814,7 @@ static int svc_handle_xprt(struct svc_rqst *rqstp, struct svc_xprt *xprt)
else
len = xprt->xpt_ops->xpo_recvfrom(rqstp);
if (len > 0)
trace_svc_recvfrom(&rqstp->rq_arg);
trace_svc_xdr_recvfrom(rqstp, &rqstp->rq_arg);
rqstp->rq_stime = ktime_get();
rqstp->rq_reserved = serv->sv_max_mesg;
atomic_add(rqstp->rq_reserved, &xprt->xpt_reserved);
@ -906,7 +906,7 @@ int svc_send(struct svc_rqst *rqstp)
xb->len = xb->head[0].iov_len +
xb->page_len +
xb->tail[0].iov_len;
trace_svc_sendto(xb);
trace_svc_xdr_sendto(rqstp, xb);
trace_svc_stats_latency(rqstp);
len = xprt->xpt_ops->xpo_sendto(rqstp);

23
net/sunrpc/xprt.c
View File

@ -663,6 +663,7 @@ static void xprt_autoclose(struct work_struct *work)
container_of(work, struct rpc_xprt, task_cleanup);
unsigned int pflags = memalloc_nofs_save();
trace_xprt_disconnect_auto(xprt);
clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
xprt->ops->close(xprt);
xprt_release_write(xprt, NULL);
@ -677,7 +678,7 @@ static void xprt_autoclose(struct work_struct *work)
*/
void xprt_disconnect_done(struct rpc_xprt *xprt)
{
dprintk("RPC: disconnected transport %p\n", xprt);
trace_xprt_disconnect_done(xprt);
spin_lock(&xprt->transport_lock);
xprt_clear_connected(xprt);
xprt_clear_write_space_locked(xprt);
@ -694,6 +695,8 @@ EXPORT_SYMBOL_GPL(xprt_disconnect_done);
*/
void xprt_force_disconnect(struct rpc_xprt *xprt)
{
trace_xprt_disconnect_force(xprt);
/* Don't race with the test_bit() in xprt_clear_locked() */
spin_lock(&xprt->transport_lock);
set_bit(XPRT_CLOSE_WAIT, &xprt->state);
@ -832,8 +835,10 @@ void xprt_connect(struct rpc_task *task)
if (!xprt_lock_write(xprt, task))
return;
if (test_and_clear_bit(XPRT_CLOSE_WAIT, &xprt->state))
if (test_and_clear_bit(XPRT_CLOSE_WAIT, &xprt->state)) {
trace_xprt_disconnect_cleanup(xprt);
xprt->ops->close(xprt);
}
if (!xprt_connected(xprt)) {
task->tk_rqstp->rq_connect_cookie = xprt->connect_cookie;
@ -1460,7 +1465,7 @@ xprt_request_transmit(struct rpc_rqst *req, struct rpc_task *snd_task)
*/
req->rq_ntrans++;
trace_xprt_sendto(&req->rq_snd_buf);
trace_rpc_xdr_sendto(task, &req->rq_snd_buf);
connect_cookie = xprt->connect_cookie;
status = xprt->ops->send_request(req);
if (status != 0) {
@ -1903,11 +1908,8 @@ struct rpc_xprt *xprt_create_transport(struct xprt_create *args)
found:
xprt = t->setup(args);
if (IS_ERR(xprt)) {
dprintk("RPC: xprt_create_transport: failed, %ld\n",
-PTR_ERR(xprt));
if (IS_ERR(xprt))
goto out;
}
if (args->flags & XPRT_CREATE_NO_IDLE_TIMEOUT)
xprt->idle_timeout = 0;
INIT_WORK(&xprt->task_cleanup, xprt_autoclose);
@ -1928,8 +1930,7 @@ found:
rpc_xprt_debugfs_register(xprt);
dprintk("RPC: created transport %p with %u slots\n", xprt,
xprt->max_reqs);
trace_xprt_create(xprt);
out:
return xprt;
}
@ -1939,6 +1940,8 @@ static void xprt_destroy_cb(struct work_struct *work)
struct rpc_xprt *xprt =
container_of(work, struct rpc_xprt, task_cleanup);
trace_xprt_destroy(xprt);
rpc_xprt_debugfs_unregister(xprt);
rpc_destroy_wait_queue(&xprt->binding);
rpc_destroy_wait_queue(&xprt->pending);
@ -1963,8 +1966,6 @@ static void xprt_destroy_cb(struct work_struct *work)
*/
static void xprt_destroy(struct rpc_xprt *xprt)
{
dprintk("RPC: destroying transport %p\n", xprt);
/*
* Exclude transport connect/disconnect handlers and autoclose
*/

4
net/sunrpc/xprtrdma/rpc_rdma.c
View File

@ -892,8 +892,8 @@ rpcrdma_marshal_req(struct rpcrdma_xprt *r_xprt, struct rpc_rqst *rqst)
* or privacy, direct data placement of individual data items
* is not allowed.
*/
ddp_allowed = !(rqst->rq_cred->cr_auth->au_flags &
RPCAUTH_AUTH_DATATOUCH);
ddp_allowed = !test_bit(RPCAUTH_AUTH_DATATOUCH,
&rqst->rq_cred->cr_auth->au_flags);
/*
* Chunks needed for results?

10
net/sunrpc/xprtrdma/transport.c
View File

@ -68,7 +68,7 @@
* tunables
*/
unsigned int xprt_rdma_slot_table_entries = RPCRDMA_DEF_SLOT_TABLE;
static unsigned int xprt_rdma_slot_table_entries = RPCRDMA_DEF_SLOT_TABLE;
unsigned int xprt_rdma_max_inline_read = RPCRDMA_DEF_INLINE;
unsigned int xprt_rdma_max_inline_write = RPCRDMA_DEF_INLINE;
unsigned int xprt_rdma_memreg_strategy = RPCRDMA_FRWR;
@ -281,8 +281,6 @@ xprt_rdma_destroy(struct rpc_xprt *xprt)
{
struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
trace_xprtrdma_op_destroy(r_xprt);
cancel_delayed_work_sync(&r_xprt->rx_connect_worker);
rpcrdma_xprt_disconnect(r_xprt);
@ -365,10 +363,6 @@ xprt_setup_rdma(struct xprt_create *args)
xprt->max_payload = RPCRDMA_MAX_DATA_SEGS << PAGE_SHIFT;
dprintk("RPC: %s: %s:%s\n", __func__,
xprt->address_strings[RPC_DISPLAY_ADDR],
xprt->address_strings[RPC_DISPLAY_PORT]);
trace_xprtrdma_create(new_xprt);
return xprt;
}
@ -385,8 +379,6 @@ void xprt_rdma_close(struct rpc_xprt *xprt)
{
struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
trace_xprtrdma_op_close(r_xprt);
rpcrdma_xprt_disconnect(r_xprt);
xprt->reestablish_timeout = 0;

1
net/sunrpc/xprtrdma/verbs.c
View File

@ -141,7 +141,6 @@ void rpcrdma_flush_disconnect(struct ib_cq *cq, struct ib_wc *wc)
if (wc->status != IB_WC_SUCCESS &&
r_xprt->rx_ep->re_connect_status == 1) {
r_xprt->rx_ep->re_connect_status = -ECONNABORTED;
trace_xprtrdma_flush_dct(r_xprt, wc->status);
xprt_force_disconnect(xprt);
}
}