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Merge branch 'master' into pm-sleep

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* master: (848 commits)
  SELinux: Fix RCU deref check warning in sel_netport_insert()
  binary_sysctl(): fix memory leak
  mm/vmalloc.c: remove static declaration of va from __get_vm_area_node
  ipmi_watchdog: restore settings when BMC reset
  oom: fix integer overflow of points in oom_badness
  memcg: keep root group unchanged if creation fails
  nilfs2: potential integer overflow in nilfs_ioctl_clean_segments()
  nilfs2: unbreak compat ioctl
  cpusets: stall when updating mems_allowed for mempolicy or disjoint nodemask
  evm: prevent racing during tfm allocation
  evm: key must be set once during initialization
  mmc: vub300: fix type of firmware_rom_wait_states module parameter
  Revert "mmc: enable runtime PM by default"
  mmc: sdhci: remove "state" argument from sdhci_suspend_host
  x86, dumpstack: Fix code bytes breakage due to missing KERN_CONT
  IB/qib: Correct sense on freectxts increment and decrement
  RDMA/cma: Verify private data length
  cgroups: fix a css_set not found bug in cgroup_attach_proc
  oprofile: Fix uninitialized memory access when writing to writing to oprofilefs
  Revert "xen/pv-on-hvm kexec: add xs_reset_watches to shutdown watches from old kernel"
  ...

Conflicts:
	kernel/cgroup_freezer.c
This commit is contained in:
Rafael J. Wysocki
2011-12-21 21:59:45 +01:00
parent 1eac8111e0 b9e26dfdad
commit b00f4dc5ff
858 changed files with 11340 additions and 6666 deletions
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24
fs/nfs/nfs4proc.c
View File

@@ -39,6 +39,8 @@
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/ratelimit.h>
#include <linux/printk.h>
#include <linux/slab.h>
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/gss_api.h>
@@ -895,6 +897,8 @@ out:
static int can_open_delegated(struct nfs_delegation *delegation, fmode_t fmode)
{
if (delegation == NULL)
return 0;
if ((delegation->type & fmode) != fmode)
return 0;
if (test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags))
@@ -1037,8 +1041,7 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata)
}
rcu_read_lock();
delegation = rcu_dereference(nfsi->delegation);
if (delegation == NULL ||
!can_open_delegated(delegation, fmode)) {
if (!can_open_delegated(delegation, fmode)) {
rcu_read_unlock();
break;
}
@@ -1092,7 +1095,12 @@ static struct nfs4_state *nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data
if (delegation)
delegation_flags = delegation->flags;
rcu_read_unlock();
if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
if (data->o_arg.claim == NFS4_OPEN_CLAIM_DELEGATE_CUR) {
pr_err_ratelimited("NFS: Broken NFSv4 server %s is "
"returning a delegation for "
"OPEN(CLAIM_DELEGATE_CUR)\n",
NFS_CLIENT(inode)->cl_server);
} else if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0)
nfs_inode_set_delegation(state->inode,
data->owner->so_cred,
&data->o_res);
@@ -1424,11 +1432,9 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
goto out_no_action;
rcu_read_lock();
delegation = rcu_dereference(NFS_I(data->state->inode)->delegation);
if (delegation != NULL &&
test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags) == 0) {
rcu_read_unlock();
goto out_no_action;
}
if (data->o_arg.claim != NFS4_OPEN_CLAIM_DELEGATE_CUR &&
can_open_delegated(delegation, data->o_arg.fmode))
goto unlock_no_action;
rcu_read_unlock();
}
/* Update sequence id. */
@@ -1445,6 +1451,8 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
return;
rpc_call_start(task);
return;
unlock_no_action:
rcu_read_unlock();
out_no_action:
task->tk_action = NULL;