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nfs-ganesha 1.4
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00001 /* 00002 * Copyright (C) 2010 The Linx Box Corporation 00003 * Contributor : Adam C. Emerson 00004 * 00005 * Some Portions Copyright CEA/DAM/DIF (2008) 00006 * contributeur : Philippe DENIEL philippe.deniel@cea.fr 00007 * Thomas LEIBOVICI thomas.leibovici@cea.fr 00008 * 00009 * 00010 * This program is free software; you can redistribute it and/or 00011 * modify it under the terms of the GNU Lesser General Public 00012 * License as published by the Free Software Foundation; either 00013 * version 3 of the License, or (at your option) any later version. 00014 * 00015 * This program is distributed in the hope that it will be useful, 00016 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00018 * Lesser General Public License for more details. 00019 * 00020 * You should have received a copy of the GNU Lesser General Public 00021 * License along with this library; if not, write to the Free Software 00022 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00023 * 00024 * --------------------------------------- 00025 */ 00026 00035 #include <sys/types.h> 00036 #include <sys/stat.h> 00037 #include <sys/statvfs.h> 00038 #include <cephfs/libcephfs.h> 00039 #include <string.h> 00040 #include "fsal.h" 00041 #include "fsal_pnfs.h" 00042 00043 /* the following variables must not be defined in fsal_internal.c */ 00044 #ifndef FSAL_INTERNAL_C 00045 00046 #define ReturnStatus( _st_, _f_ ) Return( (_st_).major, (_st_).minor, _f_ ) 00047 00048 /* static filesystem info. 00049 * read access only. 00050 */ 00051 extern fsal_staticfsinfo_t global_fs_info; 00052 00053 /* Everybody gets to know the server. */ 00054 extern cephfs_specific_initinfo_t global_spec_info; 00055 00056 #endif 00057 00061 fsal_status_t fsal_internal_init_global(fsal_init_info_t * fsal_info, 00062 fs_common_initinfo_t * fs_common_info, 00063 fs_specific_initinfo_t * fs_specific_info); 00064 00068 void fsal_increment_nbcall(int function_index, fsal_status_t status); 00069 00073 void fsal_internal_getstats(fsal_statistics_t * output_stats); 00074 00078 void TakeTokenFSCall(); 00079 void ReleaseTokenFSCall(); 00080 00081 fsal_status_t CEPHFSAL_access(fsal_handle_t * exthandle, 00082 fsal_op_context_t * extcontext, 00083 fsal_accessflags_t access_type, 00084 fsal_attrib_list_t * object_attributes); 00085 00086 fsal_status_t CEPHFSAL_getattrs(fsal_handle_t * exthandle, 00087 fsal_op_context_t * extcontext, 00088 fsal_attrib_list_t * object_attributes); 00089 00090 fsal_status_t CEPHFSAL_setattrs(fsal_handle_t * exthandle, 00091 fsal_op_context_t * extcontext, 00092 fsal_attrib_list_t * attrib_set, 00093 fsal_attrib_list_t * object_attributes); 00094 00095 fsal_status_t CEPHFSAL_getextattrs( 00096 fsal_handle_t * p_filehandle, 00097 fsal_op_context_t * p_context, 00098 fsal_extattrib_list_t * p_object_attributes); 00099 00100 fsal_status_t CEPHFSAL_BuildExportContext( 00101 fsal_export_context_t * extexport_context, 00102 fsal_path_t * export_path, 00103 char *fs_specific_options); 00104 00105 fsal_status_t CEPHFSAL_CleanUpExportContext( 00106 fsal_export_context_t * export_context); 00107 00108 fsal_status_t CEPHFSAL_InitClientContext( 00109 fsal_op_context_t* extcontext); 00110 00111 fsal_status_t CEPHFSAL_GetClientContext( 00112 fsal_op_context_t * extcontext, 00113 fsal_export_context_t * extexport_context, 00114 fsal_uid_t uid, 00115 fsal_gid_t gid, 00116 fsal_gid_t * alt_groups, 00117 fsal_count_t nb_alt_groups); 00118 00119 fsal_status_t CEPHFSAL_create(fsal_handle_t * extparent, 00120 fsal_name_t * filename, 00121 fsal_op_context_t * extcontext, 00122 fsal_accessmode_t accessmode, 00123 fsal_handle_t * object_handle, 00124 fsal_attrib_list_t * object_attributes); 00125 00126 fsal_status_t CEPHFSAL_mkdir(fsal_handle_t * extparent, 00127 fsal_name_t * dirname, 00128 fsal_op_context_t * extcontext, 00129 fsal_accessmode_t accessmode, 00130 fsal_handle_t * object_handle, 00131 fsal_attrib_list_t * object_attributes); 00132 00133 fsal_status_t CEPHFSAL_link(fsal_handle_t * exttarget, 00134 fsal_handle_t * extdir, 00135 fsal_name_t * link_name, 00136 fsal_op_context_t * extcontext, 00137 fsal_attrib_list_t * attributes); 00138 00139 00140 fsal_status_t CEPHFSAL_mknode(fsal_handle_t * parent, 00141 fsal_name_t * node_name, 00142 fsal_op_context_t * p_context, 00143 fsal_accessmode_t accessmode, 00144 fsal_nodetype_t nodetype, 00145 fsal_dev_t * dev, 00146 fsal_handle_t * p_object_handle, 00147 fsal_attrib_list_t * node_attributes); 00148 00149 fsal_status_t CEPHFSAL_opendir(fsal_handle_t * exthandle, 00150 fsal_op_context_t * extcontext, 00151 fsal_dir_t * extdescriptor, 00152 fsal_attrib_list_t * dir_attributes); 00153 00154 fsal_status_t CEPHFSAL_readdir(fsal_dir_t * extdescriptor, 00155 fsal_cookie_t extstart, 00156 fsal_attrib_mask_t attrmask, 00157 fsal_mdsize_t buffersize, 00158 fsal_dirent_t * dirents, 00159 fsal_cookie_t * extend, 00160 fsal_count_t * count, 00161 fsal_boolean_t * end_of_dir); 00162 00163 fsal_status_t CEPHFSAL_closedir(fsal_dir_t * extdescriptor); 00164 00165 fsal_boolean_t fsal_is_retryable(fsal_status_t status); 00166 00167 fsal_status_t CEPHFSAL_open(fsal_handle_t * exthandle, 00168 fsal_op_context_t * extcontext, 00169 fsal_openflags_t openflags, 00170 fsal_file_t * extdescriptor, 00171 fsal_attrib_list_t * file_attributes); 00172 00173 fsal_status_t CEPHFSAL_open_by_name(fsal_handle_t * exthandle, 00174 fsal_name_t * filename, 00175 fsal_op_context_t * extcontext, 00176 fsal_openflags_t openflags, 00177 fsal_file_t * extdescriptor, 00178 fsal_attrib_list_t * file_attributes); 00179 00180 fsal_status_t CEPHFSAL_read(fsal_file_t * extdescriptor, 00181 fsal_seek_t * seek_descriptor, 00182 fsal_size_t buffer_size, 00183 caddr_t buffer, 00184 fsal_size_t * read_amount, 00185 fsal_boolean_t * end_of_file); 00186 00187 fsal_status_t CEPHFSAL_write(fsal_file_t * extdescriptor, 00188 fsal_op_context_t * p_context, 00189 fsal_seek_t * seek_descriptor, 00190 fsal_size_t buffer_size, 00191 caddr_t buffer, 00192 fsal_size_t * write_amount); 00193 00194 fsal_status_t CEPHFSAL_close(fsal_file_t * extdescriptor); 00195 00196 fsal_status_t CEPHFSAL_open_by_fileid(fsal_handle_t * filehandle, 00197 fsal_u64_t fileid, 00198 fsal_op_context_t * p_context, 00199 fsal_openflags_t openflags, 00200 fsal_file_t * file_descriptor, 00201 fsal_attrib_list_t * file_attributes); 00202 00203 fsal_status_t CEPHFSAL_close_by_fileid(fsal_file_t * file_descriptor, 00204 fsal_u64_t fileid); 00205 00206 unsigned int CEPHFSAL_GetFileno(fsal_file_t * pfile); 00207 00208 fsal_status_t CEPHFSAL_commit(fsal_file_t * extdescriptor, 00209 fsal_off_t offset, 00210 fsal_size_t size ) ; 00211 00212 fsal_status_t CEPHFSAL_static_fsinfo(fsal_handle_t * exthandle, 00213 fsal_op_context_t * context, 00214 fsal_staticfsinfo_t * staticinfo); 00215 00216 fsal_status_t CEPHFSAL_dynamic_fsinfo(fsal_handle_t * exthandle, 00217 fsal_op_context_t * extcontext, 00218 fsal_dynamicfsinfo_t * dynamicinfo); 00219 00220 fsal_status_t CEPHFSAL_Init(fsal_parameter_t * init_info); 00221 00222 fsal_status_t CEPHFSAL_terminate(); 00223 00224 fsal_status_t CEPHFSAL_test_access(fsal_op_context_t * extcontext, 00225 fsal_accessflags_t access_type, 00226 fsal_attrib_list_t * object_attributes); 00227 00228 fsal_status_t CEPHFSAL_lookup(fsal_handle_t * extparent, 00229 fsal_name_t * filename, 00230 fsal_op_context_t * extcontext, 00231 fsal_handle_t * exthandle, 00232 fsal_attrib_list_t * object_attributes); 00233 00234 00235 fsal_status_t CEPHFSAL_lookupJunction(fsal_handle_t * extjunction, 00236 fsal_op_context_t * extcontext, 00237 fsal_handle_t * extfsroot, 00238 fsal_attrib_list_t * fsroot_attributes); 00239 00240 fsal_status_t CEPHFSAL_lookupPath(fsal_path_t * path, 00241 fsal_op_context_t * extcontext, 00242 fsal_handle_t * exthandle, 00243 fsal_attrib_list_t * object_attributes); 00244 00245 fsal_status_t CEPHFSAL_rcp(fsal_handle_t * filehandle, 00246 fsal_op_context_t * p_context, 00247 fsal_path_t * p_local_path, 00248 fsal_rcpflag_t transfer_opt); 00249 00250 fsal_status_t CEPHFSAL_rename(fsal_handle_t * extold_parent, 00251 fsal_name_t * old_name, 00252 fsal_handle_t * extnew_parent, 00253 fsal_name_t * new_name, 00254 fsal_op_context_t * extcontext, 00255 fsal_attrib_list_t * src_dir_attributes, 00256 fsal_attrib_list_t * tgt_dir_attributes); 00257 00258 void CEPHFSAL_get_stats(fsal_statistics_t * stats, 00259 fsal_boolean_t reset); 00260 00261 fsal_status_t CEPHFSAL_readlink(fsal_handle_t * exthandle, 00262 fsal_op_context_t * extcontext, 00263 fsal_path_t * link_content, 00264 fsal_attrib_list_t * link_attributes); 00265 00266 fsal_status_t CEPHFSAL_symlink(fsal_handle_t * extparent, 00267 fsal_name_t * linkname, 00268 fsal_path_t * linkcontent, 00269 fsal_op_context_t * extcontext, 00270 fsal_accessmode_t accessmode, 00271 fsal_handle_t * extlink, 00272 fsal_attrib_list_t * link_attributes); 00273 00274 int CEPHFSAL_handlecmp(fsal_handle_t * exthandle1, 00275 fsal_handle_t * exthandle2, 00276 fsal_status_t * status); 00277 00278 unsigned int CEPHFSAL_Handle_to_HashIndex(fsal_handle_t * exthandle, 00279 unsigned int cookie, 00280 unsigned int alphabet_len, 00281 unsigned int index_size); 00282 00283 unsigned int CEPHFSAL_Handle_to_RBTIndex(fsal_handle_t * exthandle, 00284 unsigned int cookie); 00285 fsal_status_t CEPHFSAL_DigestHandle(fsal_export_context_t *extexport, 00286 fsal_digesttype_t output_type, 00287 fsal_handle_t *exthandle, 00288 struct fsal_handle_desc *fh_desc); 00289 fsal_status_t CEPHFSAL_ExpandHandle(fsal_export_context_t *extexport, 00290 fsal_digesttype_t in_type, 00291 struct fsal_handle_desc *fh_desc); 00292 00293 fsal_status_t CEPHFSAL_SetDefault_FSAL_parameter(fsal_parameter_t * out_parameter); 00294 00295 fsal_status_t CEPHFSAL_SetDefault_FS_common_parameter(fsal_parameter_t * out_parameter); 00296 00297 fsal_status_t CEPHFSAL_SetDefault_FS_specific_parameter(fsal_parameter_t * out_parameter); 00298 00299 fsal_status_t CEPHFSAL_load_FSAL_parameter_from_conf(config_file_t in_config, 00300 fsal_parameter_t * out_parameter); 00301 00302 fsal_status_t CEPHFSAL_load_FS_common_parameter_from_conf(config_file_t in_config, 00303 fsal_parameter_t * out_parameter); 00304 00305 fsal_status_t CEPHFSAL_load_FS_specific_parameter_from_conf(config_file_t in_config, 00306 fsal_parameter_t * out_parameter); 00307 00308 fsal_status_t CEPHFSAL_truncate(fsal_handle_t * exthandle, 00309 fsal_op_context_t * extcontext, 00310 fsal_size_t length, 00311 fsal_file_t * file_descriptor, 00312 fsal_attrib_list_t * object_attributes); 00313 00314 fsal_status_t CEPHFSAL_unlink(fsal_handle_t * extparent, 00315 fsal_name_t * name, 00316 fsal_op_context_t * extcontext, 00317 fsal_attrib_list_t * parentdir_attributes); 00318 00319 fsal_status_t CEPHFSAL_GetXAttrAttrs(fsal_handle_t * exthandle, 00320 fsal_op_context_t * extcontext, 00321 unsigned int xattr_id, 00322 fsal_attrib_list_t * attrs); 00323 00324 fsal_status_t CEPHFSAL_ListXAttrs(fsal_handle_t * exthandle, 00325 unsigned int cookie, 00326 fsal_op_context_t * extcontext, 00327 fsal_xattrent_t * xattrs_tab, 00328 unsigned int xattrs_tabsize, 00329 unsigned int *p_nb_returned, 00330 int *end_of_list); 00331 00332 fsal_status_t CEPHFSAL_GetXAttrValueById(fsal_handle_t * exthandle, 00333 unsigned int xattr_id, 00334 fsal_op_context_t * extcontext, 00335 caddr_t buffer_addr, 00336 size_t buffer_size, 00337 size_t * p_output_size); 00338 00339 fsal_status_t CEPHFSAL_GetXAttrIdByName(fsal_handle_t * exthandle, 00340 const fsal_name_t * xattr_name, 00341 fsal_op_context_t * extcontext, 00342 unsigned int *pxattr_id); 00343 00344 fsal_status_t CEPHFSAL_GetXAttrValueByName(fsal_handle_t * exthandle, 00345 const fsal_name_t * xattr_name, 00346 fsal_op_context_t * extcontext, 00347 caddr_t buffer_addr, 00348 size_t buffer_size, 00349 size_t * p_output_size); 00350 00351 fsal_status_t CEPHFSAL_SetXAttrValue(fsal_handle_t * exthandle, 00352 const fsal_name_t * xattr_name, 00353 fsal_op_context_t * extcontext, 00354 caddr_t buffer_addr, 00355 size_t buffer_size, 00356 int create); 00357 00358 fsal_status_t CEPHFSAL_SetXAttrValueById(fsal_handle_t * exthandle, 00359 unsigned int xattr_id, 00360 fsal_op_context_t * extcontext, 00361 caddr_t buffer_addr, 00362 size_t buffer_size); 00363 00364 fsal_status_t CEPHFSAL_RemoveXAttrById(fsal_handle_t * exthandle, 00365 fsal_op_context_t * extcontext, 00366 unsigned int xattr_id); 00367 00368 fsal_status_t CEPHFSAL_RemoveXAttrByName(fsal_handle_t * exthandle, 00369 fsal_op_context_t * extcontext, 00370 const fsal_name_t * xattr_name); 00371 00372 00373 char *CEPHFSAL_GetFSName(); 00374 00375 fsal_status_t fsal_internal_testAccess(cephfsal_op_context_t* context, 00376 fsal_accessflags_t access_type, 00377 struct stat * st, 00378 fsal_attrib_list_t * object_attributes); 00379 #ifdef _PNFS_MDS 00380 nfsstat4 CEPHFSAL_layoutget(fsal_handle_t *exhandle, 00381 fsal_op_context_t *excontext, 00382 XDR *loc_body, 00383 const struct fsal_layoutget_arg *arg, 00384 struct fsal_layoutget_res *res); 00385 nfsstat4 CEPHFSAL_layoutreturn(fsal_handle_t* handle, 00386 fsal_op_context_t* context, 00387 XDR *lrf_body, 00388 const struct fsal_layoutreturn_arg *arg); 00389 nfsstat4 CEPHFSAL_layoutcommit(fsal_handle_t *handle, 00390 fsal_op_context_t *context, 00391 XDR *lou_body, 00392 const struct fsal_layoutcommit_arg *arg, 00393 struct fsal_layoutcommit_res *res); 00394 nfsstat4 CEPHFSAL_getdeviceinfo(fsal_op_context_t *context, 00395 XDR* da_addr_body, 00396 layouttype4 type, 00397 const struct pnfs_deviceid *deviceid); 00398 nfsstat4 CEPHFSAL_getdevicelist(fsal_handle_t *handle, 00399 fsal_op_context_t *context, 00400 const struct fsal_getdevicelist_arg *arg, 00401 struct fsal_getdevicelist_res *res); 00402 #endif /* _PNFS_MDS */ 00403 00404 #ifdef _PNFS_DS 00405 nfsstat4 CEPHFSAL_DS_read(fsal_handle_t *handle, 00406 fsal_op_context_t *context, 00407 const stateid4 *stateid, 00408 offset4 offset, 00409 count4 requested_length, 00410 caddr_t buffer, 00411 count4 *supplied_length, 00412 fsal_boolean_t *end_of_file); 00413 00414 nfsstat4 CEPHFSAL_DS_write(fsal_handle_t *handle, 00415 fsal_op_context_t *context, 00416 const stateid4 *stateid, 00417 offset4 offset, 00418 count4 write_length, 00419 caddr_t buffer, 00420 stable_how4 stability_wanted, 00421 count4 *written_length, 00422 verifier4 *writeverf, 00423 stable_how4 *stability_got); 00424 00425 nfsstat4 CEPHFSAL_DS_commit(fsal_handle_t *handle, 00426 fsal_op_context_t *context, 00427 offset4 offset, 00428 count4 count, 00429 verifier4 *writeverf); 00430 #endif /* _PNFS_DS */
1.7.3