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Merge branch 'for-3.5-take-2' of git://linux-nfs.org/~bfields/linux

Browse source 
Pull nfsd update from Bruce Fields.

* 'for-3.5-take-2' of git://linux-nfs.org/~bfields/linux: (23 commits)
  nfsd: trivial: use SEEK_SET instead of 0 in vfs_llseek
  SUNRPC: split upcall function to extract reusable parts
  nfsd: allocate id-to-name and name-to-id caches in per-net operations.
  nfsd: make name-to-id cache allocated per network namespace context
  nfsd: make id-to-name cache allocated per network namespace context
  nfsd: pass network context to idmap init/exit functions
  nfsd: allocate export and expkey caches in per-net operations.
  nfsd: make expkey cache allocated per network namespace context
  nfsd: make export cache allocated per network namespace context
  nfsd: pass pointer to export cache down to stack wherever possible.
  nfsd: pass network context to export caches init/shutdown routines
  Lockd: pass network namespace to creation and destruction routines
  NFSd: remove hard-coded dereferences to name-to-id and id-to-name caches
  nfsd: pass pointer to expkey cache down to stack wherever possible.
  nfsd: use hash table from cache detail in nfsd export seq ops
  nfsd: pass svc_export_cache pointer as private data to "exports" seq file ops
  nfsd: use exp_put() for svc_export_cache put
  nfsd: use cache detail pointer from svc_export structure on cache put
  nfsd: add link to owner cache detail to svc_export structure
  nfsd: use passed cache_detail pointer expkey_parse()
  ...
This commit is contained in:
Linus Torvalds 2012-05-31 18:18:11 -07:00
commit a00b6151a2
16 changed files with 322 additions and 209 deletions
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13
fs/lockd/clntlock.c
View file

@ -56,7 +56,7 @@ struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init)
u32 nlm_version = (nlm_init->nfs_version == 2) ? 1 : 4;
int status;
status = lockd_up();
status = lockd_up(nlm_init->net);
if (status < 0)
return ERR_PTR(status);
@ -65,7 +65,7 @@ struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init)
nlm_init->hostname, nlm_init->noresvport,
nlm_init->net);
if (host == NULL) {
lockd_down();
lockd_down(nlm_init->net);
return ERR_PTR(-ENOLCK);
}
@ -80,8 +80,10 @@ EXPORT_SYMBOL_GPL(nlmclnt_init);
*/
void nlmclnt_done(struct nlm_host *host)
{
struct net *net = host->net;
nlmclnt_release_host(host);
lockd_down();
lockd_down(net);
}
EXPORT_SYMBOL_GPL(nlmclnt_done);
@ -220,11 +222,12 @@ reclaimer(void *ptr)
struct nlm_wait *block;
struct file_lock *fl, *next;
u32 nsmstate;
struct net *net = host->net;
allow_signal(SIGKILL);
down_write(&host->h_rwsem);
lockd_up(); /* note: this cannot fail as lockd is already running */
lockd_up(net); /* note: this cannot fail as lockd is already running */
dprintk("lockd: reclaiming locks for host %s\n", host->h_name);
@ -275,6 +278,6 @@ restart:
/* Release host handle after use */
nlmclnt_release_host(host);
lockd_down();
lockd_down(net);
return 0;
}

7
fs/lockd/svc.c
View file

@ -295,11 +295,10 @@ static void lockd_down_net(struct net *net)
/*
* Bring up the lockd process if it's not already up.
*/
int lockd_up(void)
int lockd_up(struct net *net)
{
struct svc_serv *serv;
int error = 0;
struct net *net = current->nsproxy->net_ns;
mutex_lock(&nlmsvc_mutex);
/*
@ -378,12 +377,12 @@ EXPORT_SYMBOL_GPL(lockd_up);
* Decrement the user count and bring down lockd if we're the last.
*/
void
lockd_down(void)
lockd_down(struct net *net)
{
mutex_lock(&nlmsvc_mutex);
if (nlmsvc_users) {
if (--nlmsvc_users) {
lockd_down_net(current->nsproxy->net_ns);
lockd_down_net(net);
goto out;
}
} else {