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/*
Copyright (c) 2010-2011-2011-2011 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_GENERICS_H_
#define _NFS_GENERICS_H_
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "nfs.h"
#include "xlator.h"
#include "nfs-fops.h"
#include "nfs-inodes.h"
struct nfs_direntcache {
gf_dirent_t entries; /* Head of list of cached dirents. */
gf_dirent_t *next; /* Pointer to the next entry that
* should be sent by readdir */
uint64_t prev_off; /* Offset where the next read will
* happen.
*/
};
/* WE're trying to abstract the fops interface from the NFS xlator so that
* different NFS versions can simply call a standard interface and have fop
* interface dependent functions be handled internally.
* This structure is part of such an abstraction. The fops layer stores any
* state is requires in the fd. For eg, the dirent cache for a directory fd_t.
*/
typedef struct nfs_fop_fdcontext {
pthread_mutex_t lock;
size_t dirent_bufsize;
off_t offset;
struct nfs_direntcache *dcache;
xlator_t *dirvol;
} nfs_fdctx_t;
extern int
nfs_fstat (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *fd,
fop_stat_cbk_t cbk, void *local);
extern int
nfs_readdirp (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *dirfd,
size_t bufsize, off_t offset, fop_readdir_cbk_t cbk, void *local);
extern int
nfs_lookup (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
fop_lookup_cbk_t cbk, void *local);
extern int
nfs_create (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
int flags, mode_t mode, fop_create_cbk_t cbk, void *local);
extern int
nfs_flush (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *fd,
fop_flush_cbk_t cbk, void *local);
extern int
nfs_mkdir (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
mode_t mode, fop_mkdir_cbk_t cbk, void *local);
extern int
nfs_truncate (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
off_t offset, fop_truncate_cbk_t cbk, void *local);
extern int
nfs_read (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *fd, size_t size,
off_t offset, fop_readv_cbk_t cbk, void *local);
extern int
nfs_fsync (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *fd,
int32_t datasync, fop_fsync_cbk_t cbk, void *local);
extern int
nfs_write (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *fd,
struct iobuf *srciob, struct iovec *vector, int32_t count,
off_t offset, fop_writev_cbk_t cbk, void *local);
extern int
nfs_open (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
int32_t flags, fop_open_cbk_t cbk, void *local);
extern int
nfs_rename (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *oldloc,
loc_t *newloc, fop_rename_cbk_t cbk, void *local);
extern int
nfs_link (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *oldloc,
loc_t *newloc, fop_link_cbk_t cbk, void *local);
extern int
nfs_unlink (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
fop_unlink_cbk_t cbk, void *local);
extern int
nfs_rmdir (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
fop_rmdir_cbk_t cbk, void *local);
extern int
nfs_mknod (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
mode_t mode, dev_t dev, fop_mknod_cbk_t cbk, void *local);
extern int
nfs_readlink (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *linkloc,
fop_readlink_cbk_t cbk, void *local);
extern int
nfs_setattr (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
struct iatt *buf, int32_t valid, fop_setattr_cbk_t cbk,
void *local);
extern int
nfs_statfs (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
fop_statfs_cbk_t cbk, void *local);
extern int
nfs_stat (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
fop_stat_cbk_t cbk, void *local);
extern int
nfs_symlink (xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, char *target,
loc_t *linkloc, fop_symlink_cbk_t cbk, void *local);
/* Synchronous equivalents */
extern call_stub_t *
nfs_open_sync (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
int32_t flags);
extern call_stub_t *
nfs_write_sync (xlator_t *xl, nfs_user_t *nfu, fd_t *fd, struct iobuf *srciob,
struct iovec *vec, int count, off_t offset);
extern call_stub_t *
nfs_read_sync (xlator_t *xl, nfs_user_t *nfu, fd_t *fd, size_t size,
off_t offset);
extern int
nfs_opendir (xlator_t *nfsx, xlator_t *fopxl, nfs_user_t *nfu, loc_t *pathloc,
fop_opendir_cbk_t cbk, void *local);
#endif
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