Commit 85004cc3 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.linux-nfs.org/pub/linux/nfs-2.6 

* git://git.linux-nfs.org/pub/linux/nfs-2.6: (118 commits)
  NFSv4: Iterate through all nfs_clients when the server recalls a delegation
  NFSv4: Deal more correctly with duplicate delegations
  NFS: Fix a potential race between umount and nfs_access_cache_shrinker()
  NFS: Add an asynchronous delegreturn operation for use in nfs_clear_inode
  nfs: convert NFS_*(inode) helpers to static inline
  nfs: obliterate NFS_FLAGS macro
  NFS: Address memory leaks in the NFS client mount option parser
  nfs4: allow nfsv4 acls on non-regular-files
  NFS: Optimise away the sigmask code in aio/dio reads and writes
  SUNRPC: Don't bother changing the sigmask for asynchronous RPC calls
  SUNRPC: rpcb_getport_sync() passes incorrect address size to rpc_create()
  SUNRPC: Clean up block comment preceding rpcb_getport_sync()
  SUNRPC: Use appropriate argument types in rpcb client
  SUNRPC: rpcb_getport_sync() should use built-in hostname generator
  SUNRPC: Clean up functions that free address_strings array
  NFS: NFS version number is unsigned
  NLM: Fix a bogus 'return' in nlmclnt_rpc_release
  NLM: Introduce an arguments structure for nlmclnt_init()
  NLM/NFS: Use cached nlm_host when calling nlmclnt_proc()
  NFS: Invoke nlmclnt_init during NFS mount processing
  ...
parents 149a051f 3fbd67ad

fs/lockd/clntlock.c

+42 −0
Original line number Diff line number Diff line
@@ -41,6 +41,48 @@ struct nlm_wait { 


static LIST_HEAD(nlm_blocked);



/**

 * nlmclnt_init - Set up per-NFS mount point lockd data structures

 * @nlm_init: pointer to arguments structure

 *

 * Returns pointer to an appropriate nlm_host struct,

 * or an ERR_PTR value.

 */

struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init)

{

	struct nlm_host *host;

	u32 nlm_version = (nlm_init->nfs_version == 2) ? 1 : 4;

	int status;



	status = lockd_up(nlm_init->protocol);

	if (status < 0)

		return ERR_PTR(status);



	host = nlmclnt_lookup_host((struct sockaddr_in *)nlm_init->address,

				   nlm_init->protocol, nlm_version,

				   nlm_init->hostname,

				   strlen(nlm_init->hostname));

	if (host == NULL) {

		lockd_down();

		return ERR_PTR(-ENOLCK);

	}



	return host;

}

EXPORT_SYMBOL_GPL(nlmclnt_init);



/**

 * nlmclnt_done - Release resources allocated by nlmclnt_init()

 * @host: nlm_host structure reserved by nlmclnt_init()

 *

 */

void nlmclnt_done(struct nlm_host *host)

{

	nlm_release_host(host);

	lockd_down();

}

EXPORT_SYMBOL_GPL(nlmclnt_done);



/*

 * Queue up a lock for blocking so that the GRANTED request can see it

 */

fs/lockd/clntproc.c

+11 −24
Original line number Diff line number Diff line
@@ -145,34 +145,21 @@ static void nlmclnt_release_lockargs(struct nlm_rqst *req) 
	BUG_ON(req->a_args.lock.fl.fl_ops != NULL);

}



/*

 * This is the main entry point for the NLM client.

/**

 * nlmclnt_proc - Perform a single client-side lock request

 * @host: address of a valid nlm_host context representing the NLM server

 * @cmd: fcntl-style file lock operation to perform

 * @fl: address of arguments for the lock operation

 *

 */

int

nlmclnt_proc(struct inode *inode, int cmd, struct file_lock *fl)

int nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl)

{

	struct rpc_clnt		*client = NFS_CLIENT(inode);

	struct sockaddr_in	addr;

	struct nfs_server	*nfssrv = NFS_SERVER(inode);

	struct nlm_host		*host;

	struct nlm_rqst		*call;

	sigset_t		oldset;

	unsigned long		flags;

	int			status, vers;



	vers = (NFS_PROTO(inode)->version == 3) ? 4 : 1;

	if (NFS_PROTO(inode)->version > 3) {

		printk(KERN_NOTICE "NFSv4 file locking not implemented!\n");

		return -ENOLCK;

	}



	rpc_peeraddr(client, (struct sockaddr *) &addr, sizeof(addr));

	host = nlmclnt_lookup_host(&addr, client->cl_xprt->prot, vers,

				   nfssrv->nfs_client->cl_hostname,

				   strlen(nfssrv->nfs_client->cl_hostname));

	if (host == NULL)

		return -ENOLCK;

	int			status;



	nlm_get_host(host);

	call = nlm_alloc_call(host);

	if (call == NULL)

		return -ENOMEM;
@@ -219,7 +206,7 @@ nlmclnt_proc(struct inode *inode, int cmd, struct file_lock *fl) 
	dprintk("lockd: clnt proc returns %d\n", status);

	return status;

}

EXPORT_SYMBOL(nlmclnt_proc);

EXPORT_SYMBOL_GPL(nlmclnt_proc);



/*

 * Allocate an NLM RPC call struct
@@ -257,7 +244,7 @@ void nlm_release_call(struct nlm_rqst *call) 


static void nlmclnt_rpc_release(void *data)

{

	return nlm_release_call(data);

	nlm_release_call(data);

}



static int nlm_wait_on_grace(wait_queue_head_t *queue)

fs/lockd/xdr.c

+1 −2
Original line number Diff line number Diff line
@@ -612,8 +612,7 @@ const char *nlmdbg_cookie2a(const struct nlm_cookie *cookie) 
	 * called with BKL held.

	 */

	static char buf[2*NLM_MAXCOOKIELEN+1];

	int i;

	int len = sizeof(buf);

	unsigned int i, len = sizeof(buf);

	char *p = buf;



	len--;	/* allow for trailing \0 */

fs/nfs/callback.c

+1 −6
Original line number Diff line number Diff line
@@ -73,8 +73,6 @@ static void nfs_callback_svc(struct svc_rqst *rqstp) 
	complete(&nfs_callback_info.started);



	for(;;) {

		char buf[RPC_MAX_ADDRBUFLEN];



		if (signalled()) {

			if (nfs_callback_info.users == 0)

				break;
@@ -92,8 +90,6 @@ static void nfs_callback_svc(struct svc_rqst *rqstp) 
					__FUNCTION__, -err);

			break;

		}

		dprintk("%s: request from %s\n", __FUNCTION__,

				svc_print_addr(rqstp, buf, sizeof(buf)));

		svc_process(rqstp);

	}
@@ -168,12 +164,11 @@ void nfs_callback_down(void) 


static int nfs_callback_authenticate(struct svc_rqst *rqstp)

{

	struct sockaddr_in *addr = svc_addr_in(rqstp);

	struct nfs_client *clp;

	char buf[RPC_MAX_ADDRBUFLEN];



	/* Don't talk to strangers */

	clp = nfs_find_client(addr, 4);

	clp = nfs_find_client(svc_addr(rqstp), 4);

	if (clp == NULL)

		return SVC_DROP;

fs/nfs/callback.h

+2 −2
Original line number Diff line number Diff line
@@ -38,7 +38,7 @@ struct cb_compound_hdr_res { 
};



struct cb_getattrargs {

	struct sockaddr_in *addr;

	struct sockaddr *addr;

	struct nfs_fh fh;

	uint32_t bitmap[2];

};
@@ -53,7 +53,7 @@ struct cb_getattrres { 
};



struct cb_recallargs {

	struct sockaddr_in *addr;

	struct sockaddr *addr;

	struct nfs_fh fh;

	nfs4_stateid stateid;

	uint32_t truncate;

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