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authorShehjar Tikoo <shehjart@gluster.com>2010-03-31 07:27:03 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-03-31 07:44:02 -0700
commitc4fd1cf7325972d8ff64ef3a2bea70edcf4f1085 (patch)
treeb91c42227b2881eb8b77d39aca3d8348966bc052 /xlators/nfs/server/src/nfs.h
parent8b2949db0d56bdf5842abcb72437cc7dccd884df (diff)
nfs: Add generic nfs translator
Signed-off-by: Shehjar Tikoo <shehjart@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 399 (NFS translator with Mount v3 and NFS v3 support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=399
Diffstat (limited to 'xlators/nfs/server/src/nfs.h')
-rw-r--r--xlators/nfs/server/src/nfs.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/xlators/nfs/server/src/nfs.h b/xlators/nfs/server/src/nfs.h
new file mode 100644
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+++ b/xlators/nfs/server/src/nfs.h
@@ -0,0 +1,98 @@
+/*
+ Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com>
+ This file is part of GlusterFS.
+
+ GlusterFS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __NFS_H__
+#define __NFS_H__
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "rpcsvc.h"
+#include "dict.h"
+#include "xlator.h"
+
+#define GF_NFS "nfs"
+
+#define GF_NFS_CONCURRENT_OPS_MULT 15
+
+#define GF_NFS_INODE_LRU_MULT 6000
+
+#define GF_RPC_MIN_THREADS 1
+#define GF_RPC_MAX_THREADS 16
+
+#define GF_NFS_DEFAULT_MEMFACTOR 15
+#define GF_NFS_MIN_MEMFACTOR 1
+#define GF_NFS_MAX_MEMFACTOR 30
+
+/* Callback into a version-specific NFS protocol.
+ * The return type is used by the nfs.c code to register the protocol.
+ * with the RPC service.
+ */
+typedef rpcsvc_program_t *(*nfs_version_initer_t) (xlator_t *nfsx);
+
+/* List of version-specific protocol initiators */
+struct nfs_initer_list {
+ struct list_head list;
+ nfs_version_initer_t init;
+ rpcsvc_program_t *program;
+};
+
+
+struct nfs_state {
+ rpcsvc_t *rpcsvc;
+ struct list_head versions;
+ struct mem_pool *foppool;
+ unsigned int memfactor;
+ xlator_list_t *subvols;
+
+ gf_lock_t svinitlock;
+ int allsubvols;
+ int upsubvols;
+ xlator_t **initedxl;
+ int subvols_started;
+};
+
+
+/* We have one gid more than the glusterfs maximum since we pass the primary
+ * gid as the first element of the array.
+ */
+#define NFS_NGROUPS (GF_REQUEST_MAXGROUPS + 1)
+
+/* Index of the primary gid */
+#define NFS_PRIMGID_IDX 0
+
+typedef struct nfs_user_info {
+ uid_t uid;
+ gid_t gids[NFS_NGROUPS];
+ int ngrps;
+} nfs_user_t;
+
+extern int
+nfs_user_root_create (nfs_user_t *newnfu);
+
+extern int
+nfs_user_create (nfs_user_t *newnfu, uid_t uid, gid_t gid, gid_t *auxgids,
+ int auxcount);
+
+extern void
+nfs_request_user_init (nfs_user_t *nfu, rpcsvc_request_t *req);
+
+#endif