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NFS client updates for Linux 3.4

Browse source 
New features include:
 - Add NFS client support for containers.
   This should enable most of the necessary functionality, including
   lockd support, and support for rpc.statd, NFSv4 idmapper and
   RPCSEC_GSS upcalls into the correct network namespace from
   which the mount system call was issued.
 - NFSv4 idmapper scalability improvements
   Base the idmapper cache on the keyring interface to allow concurrent
   access to idmapper entries. Start the process of migrating users from
   the single-threaded daemon-based approach to the multi-threaded
   request-key based approach.
 - NFSv4.1 implementation id.
   Allows the NFSv4.1 client and server to mutually identify each other
   for logging and debugging purposes.
 - Support the 'vers=4.1' mount option for mounting NFSv4.1 instead of
   having to use the more counterintuitive 'vers=4,minorversion=1'.
 - SUNRPC tracepoints.
   Start the process of adding tracepoints in order to improve debugging
   of the RPC layer.
 - pNFS object layout support for autologin.
 
 Important bugfixes include:
 - Fix a bug in rpc_wake_up/rpc_wake_up_status that caused them to fail
   to wake up all tasks when applied to priority waitqueues.
 - Ensure that we handle read delegations correctly, when we try to
   truncate a file.
 - A number of fixes for NFSv4 state manager loops (mostly to do with
   delegation recovery).
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Merge tag 'nfs-for-3.4-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates for Linux 3.4 from Trond Myklebust:
 "New features include:
   - Add NFS client support for containers.

     This should enable most of the necessary functionality, including
     lockd support, and support for rpc.statd, NFSv4 idmapper and
     RPCSEC_GSS upcalls into the correct network namespace from which
     the mount system call was issued.

   - NFSv4 idmapper scalability improvements

     Base the idmapper cache on the keyring interface to allow
     concurrent access to idmapper entries.  Start the process of
     migrating users from the single-threaded daemon-based approach to
     the multi-threaded request-key based approach.

   - NFSv4.1 implementation id.

     Allows the NFSv4.1 client and server to mutually identify each
     other for logging and debugging purposes.

   - Support the 'vers=4.1' mount option for mounting NFSv4.1 instead of
     having to use the more counterintuitive 'vers=4,minorversion=1'.

   - SUNRPC tracepoints.

     Start the process of adding tracepoints in order to improve
     debugging of the RPC layer.

   - pNFS object layout support for autologin.

  Important bugfixes include:

   - Fix a bug in rpc_wake_up/rpc_wake_up_status that caused them to
     fail to wake up all tasks when applied to priority waitqueues.

   - Ensure that we handle read delegations correctly, when we try to
     truncate a file.

   - A number of fixes for NFSv4 state manager loops (mostly to do with
     delegation recovery)."

* tag 'nfs-for-3.4-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (224 commits)
  NFS: fix sb->s_id in nfs debug prints
  xprtrdma: Remove assumption that each segment is <= PAGE_SIZE
  xprtrdma: The transport should not bug-check when a dup reply is received
  pnfs-obj: autologin: Add support for protocol autologin
  NFS: Remove nfs4_setup_sequence from generic rename code
  NFS: Remove nfs4_setup_sequence from generic unlink code
  NFS: Remove nfs4_setup_sequence from generic read code
  NFS: Remove nfs4_setup_sequence from generic write code
  NFS: Fix more NFS debug related build warnings
  SUNRPC/LOCKD: Fix build warnings when CONFIG_SUNRPC_DEBUG is undefined
  nfs: non void functions must return a value
  SUNRPC: Kill compiler warning when RPC_DEBUG is unset
  SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG
  NFS: Use cond_resched_lock() to reduce latencies in the commit scans
  NFSv4: It is not safe to dereference lsp->ls_state in release_lockowner
  NFS: ncommit count is being double decremented
  SUNRPC: We must not use list_for_each_entry_safe() in rpc_wake_up()
  Try using machine credentials for RENEW calls
  NFSv4.1: Fix a few issues in filelayout_commit_pagelist
  NFSv4.1: Clean ups and bugfixes for the pNFS read/writeback/commit code
  ...
This commit is contained in:
Linus Torvalds 2012-03-23 08:53:47 -07:00
commit f63d395d47
127 changed files with 5217 additions and 2987 deletions
Download patch file Download diff file Expand all files Collapse all files

8
fs/nfsd/nfs4callback.c
View file

@ -605,24 +605,24 @@ static struct rpc_version nfs_cb_version4 = {
.procs = nfs4_cb_procedures
};
static struct rpc_version *nfs_cb_version[] = {
static const struct rpc_version *nfs_cb_version[] = {
&nfs_cb_version4,
};
static struct rpc_program cb_program;
static const struct rpc_program cb_program;
static struct rpc_stat cb_stats = {
.program = &cb_program
};
#define NFS4_CALLBACK 0x40000000
static struct rpc_program cb_program = {
static const struct rpc_program cb_program = {
.name = "nfs4_cb",
.number = NFS4_CALLBACK,
.nrvers = ARRAY_SIZE(nfs_cb_version),
.version = nfs_cb_version,
.stats = &cb_stats,
.pipe_dir_name = "/nfsd4_cb",
.pipe_dir_name = "nfsd4_cb",
};
static int max_cb_time(void)

2
fs/nfsd/nfs4state.c
View file

@ -1308,7 +1308,7 @@ gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se, struct svc_r
else
goto out_err;
conn->cb_addrlen = rpc_uaddr2sockaddr(se->se_callback_addr_val,
conn->cb_addrlen = rpc_uaddr2sockaddr(&init_net, se->se_callback_addr_val,
se->se_callback_addr_len,
(struct sockaddr *)&conn->cb_addr,
sizeof(conn->cb_addr));

6
fs/nfsd/nfsctl.c
View file

@ -223,7 +223,7 @@ static ssize_t write_unlock_ip(struct file *file, char *buf, size_t size)
if (qword_get(&buf, fo_path, size) < 0)
return -EINVAL;
if (rpc_pton(fo_path, size, sap, salen) == 0)
if (rpc_pton(&init_net, fo_path, size, sap, salen) == 0)
return -EINVAL;
return nlmsvc_unlock_all_by_ip(sap);
@ -722,7 +722,7 @@ static ssize_t __write_ports_addxprt(char *buf)
nfsd_serv->sv_nrthreads--;
return 0;
out_close:
xprt = svc_find_xprt(nfsd_serv, transport, PF_INET, port);
xprt = svc_find_xprt(nfsd_serv, transport, &init_net, PF_INET, port);
if (xprt != NULL) {
svc_close_xprt(xprt);
svc_xprt_put(xprt);
@ -748,7 +748,7 @@ static ssize_t __write_ports_delxprt(char *buf)
if (port < 1 || port > USHRT_MAX || nfsd_serv == NULL)
return -EINVAL;
xprt = svc_find_xprt(nfsd_serv, transport, AF_UNSPEC, port);
xprt = svc_find_xprt(nfsd_serv, transport, &init_net, AF_UNSPEC, port);
if (xprt == NULL)
return -ENOTCONN;

4
fs/nfsd/nfssvc.c
View file

@ -251,13 +251,13 @@ static void nfsd_shutdown(void)
nfsd_up = false;
}
static void nfsd_last_thread(struct svc_serv *serv)
static void nfsd_last_thread(struct svc_serv *serv, struct net *net)
{
/* When last nfsd thread exits we need to do some clean-up */
nfsd_serv = NULL;
nfsd_shutdown();
svc_rpcb_cleanup(serv);
svc_rpcb_cleanup(serv, net);
printk(KERN_WARNING "nfsd: last server has exited, flushing export "
"cache\n");

5
fs/nfsd/stats.c
View file

@ -25,6 +25,7 @@
#include <linux/module.h>
#include <linux/sunrpc/stats.h>
#include <linux/nfsd/stats.h>
#include <net/net_namespace.h>
#include "nfsd.h"
@ -94,11 +95,11 @@ static const struct file_operations nfsd_proc_fops = {
void
nfsd_stat_init(void)
{
svc_proc_register(&nfsd_svcstats, &nfsd_proc_fops);
svc_proc_register(&init_net, &nfsd_svcstats, &nfsd_proc_fops);
}
void
nfsd_stat_shutdown(void)
{
svc_proc_unregister("nfsd");
svc_proc_unregister(&init_net, "nfsd");
}