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Commit cf596766 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'nfsd-next' of git://linux-nfs.org/~bfields/linux 

Pull nfsd updates from Bruce Fields:
 "This was a very quiet cycle! Just a few bugfixes and some cleanup"

* 'nfsd-next' of git://linux-nfs.org/~bfields/linux:
  rpc: let xdr layer allocate gssproxy receieve pages
  rpc: fix huge kmalloc's in gss-proxy
  rpc: comment on linux_cred encoding, treat all as unsigned
  rpc: clean up decoding of gssproxy linux creds
  svcrpc: remove unused rq_resused
  nfsd4: nfsd4_create_clid_dir prints uninitialized data
  nfsd4: fix leak of inode reference on delegation failure
  Revert "nfsd: nfs4_file_get_access: need to be more careful with O_RDWR"
  sunrpc: prepare NFS for 2038
  nfsd4: fix setlease error return
  nfsd: nfs4_file_get_access: need to be more careful with O_RDWR
parents 516f7b3f d4a51656

fs/nfsd/nfs4recover.c

+0 −2
Original line number Diff line number Diff line
@@ -173,8 +173,6 @@ nfsd4_create_clid_dir(struct nfs4_client *clp) 
	int status;

	struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);



	dprintk("NFSD: nfsd4_create_clid_dir for \"%s\"\n", dname);



	if (test_and_set_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))

		return;

	if (!nn->rec_file)

fs/nfsd/nfs4state.c

+21 −12
Original line number Diff line number Diff line
@@ -368,11 +368,8 @@ static struct nfs4_delegation * 
alloc_init_deleg(struct nfs4_client *clp, struct nfs4_ol_stateid *stp, struct svc_fh *current_fh)

{

	struct nfs4_delegation *dp;

	struct nfs4_file *fp = stp->st_file;



	dprintk("NFSD alloc_init_deleg\n");

	if (fp->fi_had_conflict)

		return NULL;

	if (num_delegations > max_delegations)

		return NULL;

	dp = delegstateid(nfs4_alloc_stid(clp, deleg_slab));
@@ -389,8 +386,7 @@ alloc_init_deleg(struct nfs4_client *clp, struct nfs4_ol_stateid *stp, struct sv 
	INIT_LIST_HEAD(&dp->dl_perfile);

	INIT_LIST_HEAD(&dp->dl_perclnt);

	INIT_LIST_HEAD(&dp->dl_recall_lru);

	get_nfs4_file(fp);

	dp->dl_file = fp;

	dp->dl_file = NULL;

	dp->dl_type = NFS4_OPEN_DELEGATE_READ;

	fh_copy_shallow(&dp->dl_fh, &current_fh->fh_handle);

	dp->dl_time = 0;
@@ -3035,7 +3031,7 @@ static int nfs4_setlease(struct nfs4_delegation *dp) 
	if (status) {

		list_del_init(&dp->dl_perclnt);

		locks_free_lock(fl);

		return -ENOMEM;

		return status;

	}

	fp->fi_lease = fl;

	fp->fi_deleg_file = get_file(fl->fl_file);
@@ -3044,22 +3040,35 @@ static int nfs4_setlease(struct nfs4_delegation *dp) 
	return 0;

}



static int nfs4_set_delegation(struct nfs4_delegation *dp)

static int nfs4_set_delegation(struct nfs4_delegation *dp, struct nfs4_file *fp)

{

	struct nfs4_file *fp = dp->dl_file;

	int status;



	if (!fp->fi_lease)

		return nfs4_setlease(dp);

	if (fp->fi_had_conflict)

		return -EAGAIN;

	get_nfs4_file(fp);

	dp->dl_file = fp;

	if (!fp->fi_lease) {

		status = nfs4_setlease(dp);

		if (status)

			goto out_free;

		return 0;

	}

	spin_lock(&recall_lock);

	if (fp->fi_had_conflict) {

		spin_unlock(&recall_lock);

		return -EAGAIN;

		status = -EAGAIN;

		goto out_free;

	}

	atomic_inc(&fp->fi_delegees);

	list_add(&dp->dl_perfile, &fp->fi_delegations);

	spin_unlock(&recall_lock);

	list_add(&dp->dl_perclnt, &dp->dl_stid.sc_client->cl_delegations);

	return 0;

out_free:

	put_nfs4_file(fp);

	dp->dl_file = fp;

	return status;

}



static void nfsd4_open_deleg_none_ext(struct nfsd4_open *open, int status)
@@ -3134,7 +3143,7 @@ nfs4_open_delegation(struct net *net, struct svc_fh *fh, 
	dp = alloc_init_deleg(oo->oo_owner.so_client, stp, fh);

	if (dp == NULL)

		goto out_no_deleg;

	status = nfs4_set_delegation(dp);

	status = nfs4_set_delegation(dp, stp->st_file);

	if (status)

		goto out_free;

include/linux/sunrpc/cache.h

+20 −2
Original line number Diff line number Diff line
@@ -264,12 +264,30 @@ static inline int get_uint(char **bpp, unsigned int *anint) 
	return 0;

}



static inline int get_time(char **bpp, time_t *time)

{

	char buf[50];

	long long ll;

	int len = qword_get(bpp, buf, sizeof(buf));



	if (len < 0)

		return -EINVAL;

	if (len == 0)

		return -ENOENT;



	if (kstrtoll(buf, 0, &ll))

		return -EINVAL;



	*time = (time_t)ll;

	return 0;

}



static inline time_t get_expiry(char **bpp)

{

	int rv;

	time_t rv;

	struct timespec boot;



	if (get_int(bpp, &rv))

	if (get_time(bpp, &rv))

		return 0;

	if (rv < 0)

		return 0;

include/linux/sunrpc/svc.h

+0 −1
Original line number Diff line number Diff line
@@ -243,7 +243,6 @@ struct svc_rqst { 
	struct xdr_buf		rq_res;

	struct page *		rq_pages[RPCSVC_MAXPAGES];

	struct page *		*rq_respages;	/* points into rq_pages */

	int			rq_resused;	/* number of pages used for result */

	struct page *		*rq_next_page; /* next reply page to use */



	struct kvec		rq_vec[RPCSVC_MAXPAGES]; /* generally useful.. */

net/sunrpc/auth_gss/gss_rpc_upcall.c

+26 −0
Original line number Diff line number Diff line
@@ -213,6 +213,26 @@ static int gssp_call(struct net *net, struct rpc_message *msg) 
	return status;

}



static void gssp_free_receive_pages(struct gssx_arg_accept_sec_context *arg)

{

	int i;



	for (i = 0; i < arg->npages && arg->pages[i]; i++)

		__free_page(arg->pages[i]);

}



static int gssp_alloc_receive_pages(struct gssx_arg_accept_sec_context *arg)

{

	arg->npages = DIV_ROUND_UP(NGROUPS_MAX * 4, PAGE_SIZE);

	arg->pages = kzalloc(arg->npages * sizeof(struct page *), GFP_KERNEL);

	/*

	 * XXX: actual pages are allocated by xdr layer in

	 * xdr_partial_copy_from_skb.

	 */

	if (!arg->pages)

		return -ENOMEM;

	return 0;

}



/*

 * Public functions
@@ -261,10 +281,16 @@ int gssp_accept_sec_context_upcall(struct net *net, 
		arg.context_handle = &ctxh;

	res.output_token->len = GSSX_max_output_token_sz;



	ret = gssp_alloc_receive_pages(&arg);

	if (ret)

		return ret;



	/* use nfs/ for targ_name ? */



	ret = gssp_call(net, &msg);



	gssp_free_receive_pages(&arg);



	/* we need to fetch all data even in case of error so

	 * that we can free special strctures is they have been allocated */

	data->major_status = res.status.major_status;