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Diffstat (limited to 'xlators/nfs/server/src/nfs-generics.h')
| -rw-r--r-- | xlators/nfs/server/src/nfs-generics.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/xlators/nfs/server/src/nfs-generics.h b/xlators/nfs/server/src/nfs-generics.h new file mode 100644 index 00000000000..980e73020d4 --- /dev/null +++ b/xlators/nfs/server/src/nfs-generics.h @@ -0,0 +1,174 @@ +/* + 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_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 *xl, nfs_user_t *nfu, fd_t *fd, fop_stat_cbk_t cbk, + void *local); + +extern int +nfs_readdirp (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 *xl, nfs_user_t *nfu, loc_t *pathloc, + fop_lookup_cbk_t cbk, void *local); + +extern int +nfs_create (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 *xl, nfs_user_t *nfu, fd_t *fd, fop_flush_cbk_t cbk, + void *local); + +extern int +nfs_mkdir (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 *xl, nfs_user_t *nfu, loc_t *pathloc, off_t offset, + fop_truncate_cbk_t cbk, void *local); + +extern int +nfs_read (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 *xl, nfs_user_t *nfu, fd_t *fd, int32_t datasync, + fop_fsync_cbk_t cbk, void *local); + +extern int +nfs_write (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 *xl, nfs_user_t *nfu, loc_t *pathloc, int32_t flags, + fop_open_cbk_t cbk, void *local); + +extern int +nfs_rename (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 *xl, nfs_user_t *nfu, loc_t *oldloc, loc_t *newloc, + fop_link_cbk_t cbk, void *local); + +extern int +nfs_unlink (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc, + fop_unlink_cbk_t cbk, void *local); + +extern int +nfs_rmdir (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc, + fop_rmdir_cbk_t cbk, void *local); + +extern int +nfs_mknod (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 *xl, nfs_user_t *nfu, loc_t *linkloc, + fop_readlink_cbk_t cbk, void *local); + +extern int +nfs_setattr (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 *xl, nfs_user_t *nfu, loc_t *pathloc, + fop_statfs_cbk_t cbk, void *local); + +extern int +nfs_stat (xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc, fop_stat_cbk_t cbk + , void *local); + +extern int +nfs_symlink (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 int +nfs_readdir_sync (xlator_t *nfsx, xlator_t *fopxl, nfs_user_t *nfu, + fd_t *dirfd, gf_dirent_t *entry); + +extern call_stub_t * +nfs_flush_sync (xlator_t *xl, nfs_user_t *nfu, fd_t *fd); + +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_fsync_sync (xlator_t *xl, nfs_user_t *nfu, fd_t *fd, int32_t datasync); + +extern call_stub_t * +nfs_read_sync (xlator_t *xl, nfs_user_t *nfu, fd_t *fd, size_t size, + off_t offset); + +extern call_stub_t * +nfs_opendir_sync (xlator_t *nfsx, xlator_t *fopxl, nfs_user_t *nfu, + loc_t *dirloc, size_t bufsize); + +extern int +nfs_opendir (xlator_t *fopxl, nfs_user_t *nfu, loc_t *pathloc, + fop_opendir_cbk_t cbk, void *local); +#endif |