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/*
Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _NFS_GENERICS_H_
#define _NFS_GENERICS_H_
#include "nfs.h"
#include <glusterfs/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. E.g. 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 iobref *srciobref, 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);
extern int
nfs_access(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
int32_t accesstest, fop_access_cbk_t cbk, void *local);
extern int
nfs_lk(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *fd, int cmd,
struct gf_flock *flock, fop_lk_cbk_t cbk, void *local);
extern int
nfs_getxattr(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *loc,
char *name, dict_t *xdata, fop_getxattr_cbk_t cbk, void *local);
extern int
nfs_setxattr(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *loc,
dict_t *dict, int32_t flags, dict_t *xdata, fop_setxattr_cbk_t cbk,
void *local);
#endif
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