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nfs-ganesha 1.4
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00001 /* 00002 * 00003 * 00004 * 00005 * 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 00037 #ifndef _FSAL_H 00038 #define _FSAL_H 00039 00040 #include <stddef.h> 00041 00059 #ifndef __OPTIMIZE__ 00060 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) 00061 #else 00062 extern int __build_bug_on_failed; 00063 #define BUILD_BUG_ON(condition) \ 00064 do { \ 00065 ((void)sizeof(char[1 - 2*!!(condition)])); \ 00066 if (condition) __build_bug_on_failed = 1; \ 00067 } while(0) 00068 #endif 00069 00070 #include "nlm_list.h" 00071 /* fsal_types contains constants and type definitions for FSAL */ 00072 #include "fsal_types.h" 00073 #include "common_utils.h" 00074 00075 #ifndef _USE_SWIG 00076 00077 /****************************************************** 00078 * Attribute mask management. 00079 ******************************************************/ 00080 00085 #define FSAL_TEST_MASK( _attrib_mask_ , _attr_const_ ) \ 00086 ( (_attrib_mask_) & (_attr_const_) ) 00087 00092 #define FSAL_SET_MASK( _attrib_mask_ , _attr_const_ ) \ 00093 ( (_attrib_mask_) |= (_attr_const_) ) 00094 00099 #define FSAL_CLEAR_MASK( _attrib_mask_ ) \ 00100 ( (_attrib_mask_) = 0LL ) 00101 00102 /****************************************************** 00103 * Initialization tools. 00104 ******************************************************/ 00105 00120 #define FSAL_SET_INIT_INFO( _common_info_struct_ , _field_name_ , \ 00121 _field_behavior_ , _value_ ) do \ 00122 { \ 00123 _common_info_struct_.behaviors._field_name_ = _field_behavior_ ;\ 00124 if ( _field_behavior_ != FSAL_INIT_FS_DEFAULT ) \ 00125 _common_info_struct_.values._field_name_ = _value_ ; \ 00126 } while (0) 00127 00133 #define FSAL_SET_INIT_DEFAULT( _common_info_struct_ , _field_name_ ) \ 00134 do { \ 00135 _common_info_struct_.behaviors._field_name_ \ 00136 = FSAL_INIT_FS_DEFAULT ; \ 00137 } while (0) 00138 00141 #define FSAL_SET_COOKIE_BEGINNING( cookie ) memset( (char *)&cookie, 0, sizeof( fsal_cookie_t ) ) 00142 00146 #define FSAL_SET_COOKIE_BY_OFFSET( __cookie, __offset ) \ 00147 memcpy( (char *)&(__cookie.data), (char *)&__offset, sizeof( uint64_t ) ) 00148 00149 #define FSAL_SET_POFFSET_BY_COOKIE( __cookie, __poffset ) \ 00150 memcpy( (char *)__poffset, (char *)&(__cookie.data), sizeof( uint64_t ) ) 00151 00152 #define FSAL_GET_EXP_CTX( popctx ) (fsal_export_context_t *)(popctx->export_context) 00153 00161 fsal_status_t FSAL_SetDefault_FSAL_parameter(fsal_parameter_t * out_parameter); 00162 00163 fsal_status_t FSAL_SetDefault_FS_common_parameter(fsal_parameter_t * out_parameter); 00164 00165 fsal_status_t FSAL_SetDefault_FS_specific_parameter(fsal_parameter_t * out_parameter); 00166 00187 fsal_status_t FSAL_load_FSAL_parameter_from_conf(config_file_t in_config, 00188 fsal_parameter_t * out_parameter); 00189 00190 fsal_status_t FSAL_load_FS_common_parameter_from_conf(config_file_t in_config, 00191 fsal_parameter_t * out_parameter); 00192 fsal_status_t FSAL_load_FS_specific_parameter_from_conf(config_file_t in_config, 00193 fsal_parameter_t * out_parameter); 00194 00199 fsal_status_t FSAL_Init(fsal_parameter_t * init_info /* IN */ 00200 ); 00201 00202 /****************************************************** 00203 * FSAL Returns macros 00204 ******************************************************/ 00205 00212 #define Return( _code_, _minor_ , _f_ ) do { \ 00213 fsal_status_t _struct_status_ = FSAL_STATUS_NO_ERROR ; \ 00214 (_struct_status_).major = (_code_) ; \ 00215 (_struct_status_).minor = (_minor_) ; \ 00216 fsal_increment_nbcall( _f_,_struct_status_ ); \ 00217 if(isDebug(COMPONENT_FSAL)) \ 00218 { \ 00219 if((_struct_status_).major != ERR_FSAL_NO_ERROR) \ 00220 LogDebug(COMPONENT_FSAL, \ 00221 "%s returns (%s, %s, %d)",fsal_function_names[_f_], \ 00222 label_fsal_err(_code_), msg_fsal_err(_code_), _minor_); \ 00223 else \ 00224 LogFullDebug(COMPONENT_FSAL, \ 00225 "%s returns (%s, %s, %d)",fsal_function_names[_f_], \ 00226 label_fsal_err(_code_), msg_fsal_err(_code_), _minor_); \ 00227 } \ 00228 return (_struct_status_); \ 00229 } while(0) 00230 00231 #define ReturnStatus( _st_, _f_ ) Return( (_st_).major, (_st_).minor, _f_ ) 00232 00237 #define ReturnCode( _code_, _minor_ ) do { \ 00238 fsal_status_t _struct_status_ = FSAL_STATUS_NO_ERROR ;\ 00239 (_struct_status_).major = (_code_) ; \ 00240 (_struct_status_).minor = (_minor_) ; \ 00241 return (_struct_status_); \ 00242 } while(0) 00243 00244 /****************************************************** 00245 * FSAL Errors handling. 00246 ******************************************************/ 00247 00254 #define FSAL_IS_ERROR( _status_ ) \ 00255 ( ! ( ( _status_ ).major == ERR_FSAL_NO_ERROR ) ) 00256 00260 fsal_boolean_t fsal_is_retryable(fsal_status_t status); 00261 00262 #endif /* ! _USE_SWIG */ 00263 00264 /****************************************************** 00265 * FSAL Strings handling. 00266 ******************************************************/ 00267 00268 fsal_status_t FSAL_str2name(const char *string, /* IN */ 00269 fsal_mdsize_t in_str_maxlen, /* IN */ 00270 fsal_name_t * name /* OUT */ 00271 ); 00272 00273 fsal_status_t FSAL_name2str(fsal_name_t * p_name, /* IN */ 00274 char *string, /* OUT */ 00275 fsal_mdsize_t out_str_maxlen /* IN */ 00276 ); 00277 00278 int FSAL_namecmp(const fsal_name_t *p_name1, 00279 const fsal_name_t *p_name2); 00280 00281 fsal_status_t FSAL_namecpy(fsal_name_t * p_tgt_name, fsal_name_t * p_src_name); 00282 00283 fsal_status_t FSAL_str2path(char *string, /* IN */ 00284 fsal_mdsize_t in_str_maxlen, /* IN */ 00285 fsal_path_t * p_path /* OUT */ 00286 ); 00287 00288 fsal_status_t FSAL_path2str(fsal_path_t * p_path, /* IN */ 00289 char *string, /* OUT */ 00290 fsal_mdsize_t out_str_maxlen /* IN */ 00291 ); 00292 00293 int FSAL_pathcmp(fsal_path_t * p_path1, fsal_path_t * p_path2); 00294 00295 fsal_status_t FSAL_pathcpy(fsal_path_t * p_tgt_path, fsal_path_t * p_src_path); 00296 00297 #ifndef _USE_SWIG 00298 00300 fsal_status_t FSAL_buffdesc2name(fsal_buffdesc_t * in_buf, fsal_name_t * out_name); 00301 00302 fsal_status_t FSAL_buffdesc2path(fsal_buffdesc_t * in_buf, fsal_path_t * out_path); 00303 00304 fsal_status_t FSAL_path2buffdesc(fsal_path_t * in_path, fsal_buffdesc_t * out_buff); 00305 00306 fsal_status_t FSAL_name2buffdesc(fsal_name_t * in_name, fsal_buffdesc_t * out_buff); 00307 00308 #endif /* ! _USE_SWIG */ 00309 00310 /* snprintmem and sscanmem are defined into common_utils */ 00311 00312 #define snprintHandle(target, tgt_size, p_handle) \ 00313 do { \ 00314 struct fsal_handle_desc fd = { \ 00315 .start = (char *)p_handle \ 00316 }; \ 00317 FSAL_ExpandHandle(NULL, FSAL_DIGEST_SIZEOF, &fd); \ 00318 snprintmem(target,tgt_size,(caddr_t)p_handle,fd.len); \ 00319 } while(0) 00320 00321 #define snprintCookie(target, tgt_size, p_cookie) \ 00322 snprintmem(target,tgt_size,(caddr_t)p_cookie,sizeof(fsal_cookie_t)) 00323 00324 #define snprintAttrs(target, tgt_size, p_attrs) \ 00325 snprintmem(target,tgt_size,(caddr_t)p_attrs,sizeof(fsal_attrib_list_t)) 00326 00327 #define sscanHandle(p_handle,str_source) \ 00328 sscanmem( (caddr_t)p_handle,sizeof(fsal_handle_t),str_source ) 00329 00330 #define sscanCookie(p_cookie,str_source) \ 00331 sscanmem( (caddr_t)p_cookie,sizeof(fsal_cookie_t),str_source ) 00332 00333 #define sscanAttrs(p_attrs,str_source) \ 00334 sscanmem( (caddr_t)p_attrs,sizeof(fsal_attrib_list_t),str_source ) 00335 00336 /****************************************************** 00337 * FSAL handles management. 00338 ******************************************************/ 00339 00344 int FSAL_handlecmp(fsal_handle_t * handle1, fsal_handle_t * handle2, 00345 fsal_status_t * status); 00346 00347 #ifndef _USE_SWIG 00348 00363 unsigned int FSAL_Handle_to_HashIndex(fsal_handle_t * p_handle, 00364 unsigned int cookie, 00365 unsigned int alphabet_len, unsigned int index_size); 00366 00379 unsigned int FSAL_Handle_to_RBTIndex(fsal_handle_t * p_handle, unsigned int cookie); 00380 00398 unsigned int FSAL_Handle_to_Hash_both(fsal_handle_t * p_handle, unsigned int cookie, unsigned int alphabet_len, 00399 unsigned int index_size, unsigned int * phashval, unsigned int *prbtval ) ; 00400 00406 fsal_status_t FSAL_DigestHandle(fsal_export_context_t * p_expcontext, /* IN */ 00407 fsal_digesttype_t output_type, /* IN */ 00408 fsal_handle_t * in_fsal_handle, /* IN */ 00409 struct fsal_handle_desc *fh_desc /* IN/OUT */ 00410 ); 00411 00416 fsal_status_t FSAL_ExpandHandle(fsal_export_context_t * p_expcontext, /* IN */ 00417 fsal_digesttype_t in_type, /* IN */ 00418 struct fsal_handle_desc *fh_desc /* IN/OUT */ 00419 ); 00420 00425 fsal_status_t FSAL_CleanObjectResources(fsal_handle_t * in_fsal_handle); /* IN */ 00426 00427 /****************************************************** 00428 * FSAL directory cookies 00429 ******************************************************/ 00430 00445 fsal_status_t FSAL_cookie_to_uint64(fsal_handle_t * handle, 00446 fsal_op_context_t * context, 00447 fsal_cookie_t * cookie, 00448 uint64_t *data); 00463 fsal_status_t FSAL_uint64_to_cookie(fsal_handle_t * handle, 00464 fsal_op_context_t * context, 00465 uint64_t * uint64, 00466 fsal_cookie_t * cookie); 00467 00480 fsal_status_t FSAL_get_cookieverf(fsal_handle_t * handle, 00481 fsal_op_context_t * context, 00482 uint64_t * verf); 00483 00484 /****************************************************** 00485 * FSAL context management. 00486 ******************************************************/ 00487 00488 fsal_status_t FSAL_BuildExportContext(fsal_export_context_t * p_export_context, /* OUT */ 00489 fsal_path_t * p_export_path, /* IN */ 00490 char *fs_specific_options /* IN */ 00491 ); 00492 00493 00494 fsal_status_t FSAL_CleanUpExportContext(fsal_export_context_t * p_export_context); 00495 00496 fsal_status_t FSAL_InitClientContext(fsal_op_context_t * p_thr_context /* OUT */ 00497 ); 00498 00499 fsal_status_t FSAL_GetClientContext(fsal_op_context_t * p_thr_context, /* IN/OUT */ 00500 fsal_export_context_t * p_export_context, /* IN */ 00501 fsal_uid_t uid, /* IN */ 00502 fsal_gid_t gid, /* IN */ 00503 fsal_gid_t * alt_groups, /* IN */ 00504 fsal_count_t nb_alt_groups /* IN */ 00505 ); 00506 00507 #endif /* ! _USE_SWIG */ 00508 00509 /****************************************************** 00510 * Common Filesystem calls. 00511 ******************************************************/ 00512 00513 fsal_status_t FSAL_lookup(fsal_handle_t * parent_directory_handle, /* IN */ 00514 fsal_name_t * p_filename, /* IN */ 00515 fsal_op_context_t * p_context, /* IN */ 00516 fsal_handle_t * object_handle, /* OUT */ 00517 fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */ 00518 ); 00519 00520 fsal_status_t FSAL_lookupPath(fsal_path_t * p_path, /* IN */ 00521 fsal_op_context_t * p_context, /* IN */ 00522 fsal_handle_t * object_handle, /* OUT */ 00523 fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */ 00524 ); 00525 00526 fsal_status_t FSAL_lookupJunction(fsal_handle_t * p_junction_handle, /* IN */ 00527 fsal_op_context_t * p_context, /* IN */ 00528 fsal_handle_t * p_fsoot_handle, /* OUT */ 00529 fsal_attrib_list_t * p_fsroot_attributes /* [ IN/OUT ] */ 00530 ); 00531 00532 fsal_status_t FSAL_access(fsal_handle_t * object_handle, /* IN */ 00533 fsal_op_context_t * p_context, /* IN */ 00534 fsal_accessflags_t access_type, /* IN */ 00535 fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */ 00536 ); 00537 00550 fsal_status_t FSAL_test_access(fsal_op_context_t * p_context, /* IN */ 00551 fsal_accessflags_t access_type, /* IN */ 00552 fsal_attrib_list_t * object_attributes /* IN */ 00553 ); 00554 00555 fsal_status_t FSAL_create(fsal_handle_t * parent_directory_handle, /* IN */ 00556 fsal_name_t * p_filename, /* IN */ 00557 fsal_op_context_t * p_context, /* IN */ 00558 fsal_accessmode_t accessmode, /* IN */ 00559 fsal_handle_t * object_handle, /* OUT */ 00560 fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */ 00561 ); 00562 00563 fsal_status_t FSAL_mkdir(fsal_handle_t * parent_directory_handle, /* IN */ 00564 fsal_name_t * p_dirname, /* IN */ 00565 fsal_op_context_t * p_context, /* IN */ 00566 fsal_accessmode_t accessmode, /* IN */ 00567 fsal_handle_t * object_handle, /* OUT */ 00568 fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */ 00569 ); 00570 00571 fsal_status_t FSAL_truncate(fsal_handle_t * filehandle, /* IN */ 00572 fsal_op_context_t * p_context, /* IN */ 00573 fsal_size_t length, /* IN */ 00574 fsal_file_t * file_descriptor, /* INOUT */ 00575 fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */ 00576 ); 00577 00578 fsal_status_t FSAL_getattrs(fsal_handle_t * filehandle, /* IN */ 00579 fsal_op_context_t * p_context, /* IN */ 00580 fsal_attrib_list_t * object_attributes /* IN/OUT */ 00581 ); 00582 00583 fsal_status_t FSAL_getattrs_descriptor(fsal_file_t * p_file_descriptor, /* IN */ 00584 fsal_handle_t * p_filehandle, /* IN */ 00585 fsal_op_context_t * p_context, /* IN */ 00586 fsal_attrib_list_t * p_object_attributes /* IN/OUT */ 00587 ); 00588 00589 fsal_status_t FSAL_setattrs(fsal_handle_t * filehandle, /* IN */ 00590 fsal_op_context_t * p_context, /* IN */ 00591 fsal_attrib_list_t * attrib_set, /* IN */ 00592 fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */ 00593 ); 00594 00595 fsal_status_t FSAL_getextattrs(fsal_handle_t * filehandle, /* IN */ 00596 fsal_op_context_t * p_context, /* IN */ 00597 fsal_extattrib_list_t * object_attributes /* IN/OUT */ 00598 ); 00599 00600 fsal_status_t FSAL_link(fsal_handle_t * target_handle, /* IN */ 00601 fsal_handle_t * dir_handle, /* IN */ 00602 fsal_name_t * p_link_name, /* IN */ 00603 fsal_op_context_t * p_context, /* IN */ 00604 fsal_attrib_list_t * attributes /* [ IN/OUT ] */ 00605 ); 00606 00607 fsal_status_t FSAL_opendir(fsal_handle_t * dir_handle, /* IN */ 00608 fsal_op_context_t * p_context, /* IN */ 00609 fsal_dir_t * dir_descriptor, /* OUT */ 00610 fsal_attrib_list_t * dir_attributes /* [ IN/OUT ] */ 00611 ); 00612 00613 fsal_status_t FSAL_readdir(fsal_dir_t * dir_descriptor, /* IN */ 00614 fsal_cookie_t start_position, /* IN */ 00615 fsal_attrib_mask_t get_attr_mask, /* IN */ 00616 fsal_mdsize_t buffersize, /* IN */ 00617 fsal_dirent_t * pdirent, /* OUT */ 00618 fsal_cookie_t * end_position, /* OUT */ 00619 fsal_count_t * nb_entries, /* OUT */ 00620 fsal_boolean_t * end_of_dir /* OUT */ 00621 ); 00622 00623 fsal_status_t FSAL_closedir(fsal_dir_t * dir_descriptor /* IN */ 00624 ); 00625 00626 fsal_status_t FSAL_open(fsal_handle_t * filehandle, /* IN */ 00627 fsal_op_context_t * p_context, /* IN */ 00628 fsal_openflags_t openflags, /* IN */ 00629 fsal_file_t * file_descriptor, /* OUT */ 00630 fsal_attrib_list_t * file_attributes /* [ IN/OUT ] */ 00631 ); 00632 00633 fsal_status_t FSAL_open_by_name(fsal_handle_t * dirhandle, /* IN */ 00634 fsal_name_t * filename, /* IN */ 00635 fsal_op_context_t * p_context, /* IN */ 00636 fsal_openflags_t openflags, /* IN */ 00637 fsal_file_t * file_descriptor, /* OUT */ 00638 fsal_attrib_list_t * file_attributes /* [ IN/OUT ] */ ); 00639 00640 fsal_status_t FSAL_open_by_fileid(fsal_handle_t * filehandle, /* IN */ 00641 fsal_u64_t fileid, /* IN */ 00642 fsal_op_context_t * p_context, /* IN */ 00643 fsal_openflags_t openflags, /* IN */ 00644 fsal_file_t * file_descriptor, /* OUT */ 00645 fsal_attrib_list_t * file_attributes /* [ IN/OUT ] */ ); 00646 00647 fsal_status_t FSAL_read(fsal_file_t * file_descriptor, /* IN */ 00648 fsal_seek_t * seek_descriptor, /* [IN] */ 00649 fsal_size_t buffer_size, /* IN */ 00650 caddr_t buffer, /* OUT */ 00651 fsal_size_t * read_amount, /* OUT */ 00652 fsal_boolean_t * end_of_file /* OUT */ 00653 ); 00654 00655 fsal_status_t FSAL_write(fsal_file_t * file_descriptor, /* IN */ 00656 fsal_op_context_t * p_context, /* IN */ 00657 fsal_seek_t * seek_descriptor, /* IN */ 00658 fsal_size_t buffer_size, /* IN */ 00659 caddr_t buffer, /* IN */ 00660 fsal_size_t * write_amount /* OUT */ 00661 ); 00662 00663 fsal_status_t FSAL_commit( fsal_file_t * file_descriptor, /* INOUT */ 00664 fsal_off_t offset, /* IN */ 00665 fsal_size_t size ); 00666 00667 fsal_status_t FSAL_close(fsal_file_t * file_descriptor /* IN */ 00668 ); 00669 00670 fsal_status_t FSAL_close_by_fileid(fsal_file_t * file_descriptor /* IN */ , 00671 fsal_u64_t fileid); 00672 00673 fsal_status_t FSAL_readlink(fsal_handle_t * linkhandle, /* IN */ 00674 fsal_op_context_t * p_context, /* IN */ 00675 fsal_path_t * p_link_content, /* OUT */ 00676 fsal_attrib_list_t * link_attributes /* [ IN/OUT ] */ 00677 ); 00678 00679 fsal_status_t FSAL_symlink(fsal_handle_t * parent_directory_handle, /* IN */ 00680 fsal_name_t * p_linkname, /* IN */ 00681 fsal_path_t * p_linkcontent, /* IN */ 00682 fsal_op_context_t * p_context, /* IN */ 00683 fsal_accessmode_t accessmode, /* IN (ignored); */ 00684 fsal_handle_t * link_handle, /* OUT */ 00685 fsal_attrib_list_t * link_attributes /* [ IN/OUT ] */ 00686 ); 00687 00688 fsal_status_t FSAL_rename(fsal_handle_t * old_parentdir_handle, /* IN */ 00689 fsal_name_t * p_old_name, /* IN */ 00690 fsal_handle_t * new_parentdir_handle, /* IN */ 00691 fsal_name_t * p_new_name, /* IN */ 00692 fsal_op_context_t * p_context, /* IN */ 00693 fsal_attrib_list_t * src_dir_attributes, /* [ IN/OUT ] */ 00694 fsal_attrib_list_t * tgt_dir_attributes /* [ IN/OUT ] */ 00695 ); 00696 00697 fsal_status_t FSAL_unlink(fsal_handle_t * parentdir_handle, /* IN */ 00698 fsal_name_t * p_object_name, /* IN */ 00699 fsal_op_context_t * p_context, /* IN */ 00700 fsal_attrib_list_t * parentdir_attributes /* [IN/OUT ] */ 00701 ); 00702 00703 fsal_status_t FSAL_mknode(fsal_handle_t * parentdir_handle, /* IN */ 00704 fsal_name_t * p_node_name, /* IN */ 00705 fsal_op_context_t * p_context, /* IN */ 00706 fsal_accessmode_t accessmode, /* IN */ 00707 fsal_nodetype_t nodetype, /* IN */ 00708 fsal_dev_t * dev, /* IN */ 00709 fsal_handle_t * p_object_handle, /* OUT */ 00710 fsal_attrib_list_t * node_attributes /* [ IN/OUT ] */ 00711 ); 00712 00713 fsal_status_t FSAL_dynamic_fsinfo(fsal_handle_t * filehandle, /* IN */ 00714 fsal_op_context_t * p_context, /* IN */ 00715 fsal_dynamicfsinfo_t * dynamicinfo /* OUT */ 00716 ); 00717 00718 fsal_status_t FSAL_rcp(fsal_handle_t * filehandle, /* IN */ 00719 fsal_op_context_t * p_context, /* IN */ 00720 fsal_path_t * p_local_path, /* IN */ 00721 fsal_rcpflag_t transfer_opt /* IN */ 00722 ); 00723 00724 fsal_status_t FSAL_lock_op( fsal_file_t * p_file_descriptor, /* IN */ 00725 fsal_handle_t * p_filehandle, /* IN */ 00726 fsal_op_context_t * p_context, /* IN */ 00727 void * p_owner, /* IN (opaque to FSAL) */ 00728 fsal_lock_op_t lock_op, /* IN */ 00729 fsal_lock_param_t request_lock, /* IN */ 00730 fsal_lock_param_t * conflicting_lock /* OUT */ 00731 ); 00732 00733 fsal_status_t FSAL_share_op( fsal_file_t * p_file_descriptor, /* IN */ 00734 fsal_handle_t * p_filehandle, /* IN */ 00735 fsal_op_context_t * p_context, /* IN */ 00736 void * p_owner, /* IN (opaque to FSAL) */ 00737 fsal_share_param_t request_share /* IN */ 00738 ); 00739 00740 /* FSAL_UP functions */ 00741 /* These structs are defined here because including fsal_up.h causes 00742 * preprocessor issues. */ 00743 #ifdef _USE_FSAL_UP 00744 struct fsal_up_event_bus_filter_t_; 00745 struct fsal_up_event_t_; 00746 struct fsal_up_event_bus_parameter_t_; 00747 struct fsal_up_event_bus_context_t_; 00748 fsal_status_t FSAL_UP_Init(struct fsal_up_event_bus_parameter_t_ * pebparam, /* IN */ 00749 struct fsal_up_event_bus_context_t_ * pupebcontext /* OUT */ 00750 ); 00751 00752 fsal_status_t FSAL_UP_AddFilter(struct fsal_up_event_bus_filter_t_ * pupebfilter, /* IN */ 00753 struct fsal_up_event_bus_context_t_ * pupebcontext /* INOUT */ 00754 ); 00755 fsal_status_t FSAL_UP_GetEvents(struct glist_head * pevent_head, /* OUT */ 00756 fsal_count_t * event_nb, /* IN */ 00757 fsal_time_t timeout, /* IN */ 00758 fsal_count_t * peventfound, /* OUT */ 00759 struct fsal_up_event_bus_context_t_ * pupebcontext /* IN */ 00760 ); 00761 #endif /* _USE_FSAL_UP */ 00762 00763 /* To be called before exiting */ 00764 fsal_status_t FSAL_terminate(); 00765 00766 #ifndef _USE_SWIG 00767 00768 /****************************************************** 00769 * FSAL extended attributes management. 00770 ******************************************************/ 00771 00773 #define XATTRS_READLIST_FROM_BEGINNING (0) 00774 00776 typedef struct fsal_xattrent__ 00777 { 00778 unsigned int xattr_id; 00779 fsal_name_t xattr_name; 00780 unsigned int xattr_cookie; 00781 fsal_attrib_list_t attributes; 00783 } fsal_xattrent_t; 00784 00797 fsal_status_t FSAL_ListXAttrs(fsal_handle_t * p_objecthandle, /* IN */ 00798 unsigned int cookie, /* IN */ 00799 fsal_op_context_t * p_context, /* IN */ 00800 fsal_xattrent_t * xattrs_tab, /* IN/OUT */ 00801 unsigned int xattrs_tabsize, /* IN */ 00802 unsigned int *p_nb_returned, /* OUT */ 00803 int *end_of_list /* OUT */ 00804 ); 00805 00815 fsal_status_t FSAL_GetXAttrIdByName(fsal_handle_t * p_objecthandle, /* IN */ 00816 const fsal_name_t * xattr_name, /* IN */ 00817 fsal_op_context_t * p_context, /* IN */ 00818 unsigned int *pxattr_id /* OUT */ 00819 ); 00820 00831 fsal_status_t FSAL_GetXAttrValueByName(fsal_handle_t * p_objecthandle, /* IN */ 00832 const fsal_name_t * xattr_name, /* IN */ 00833 fsal_op_context_t * p_context, /* IN */ 00834 caddr_t buffer_addr, /* IN/OUT */ 00835 size_t buffer_size, /* IN */ 00836 size_t * p_output_size /* OUT */ 00837 ); 00838 00849 fsal_status_t FSAL_GetXAttrValueById(fsal_handle_t * p_objecthandle, /* IN */ 00850 unsigned int xattr_id, /* IN */ 00851 fsal_op_context_t * p_context, /* IN */ 00852 caddr_t buffer_addr, /* IN/OUT */ 00853 size_t buffer_size, /* IN */ 00854 size_t * p_output_size /* OUT */ 00855 ); 00856 00868 fsal_status_t FSAL_SetXAttrValue(fsal_handle_t * p_objecthandle, /* IN */ 00869 const fsal_name_t * xattr_name, /* IN */ 00870 fsal_op_context_t * p_context, /* IN */ 00871 caddr_t buffer_addr, /* IN */ 00872 size_t buffer_size, /* IN */ 00873 int create /* IN */ 00874 ); 00875 00885 fsal_status_t FSAL_SetXAttrValueById(fsal_handle_t * p_objecthandle, /* IN */ 00886 unsigned int xattr_id, /* IN */ 00887 fsal_op_context_t * p_context, /* IN */ 00888 caddr_t buffer_addr, /* IN */ 00889 size_t buffer_size); /* IN */ 00890 00899 fsal_status_t FSAL_GetXAttrAttrs(fsal_handle_t * p_objecthandle, /* IN */ 00900 fsal_op_context_t * p_context, /* IN */ 00901 unsigned int xattr_id, /* IN */ 00902 fsal_attrib_list_t * p_attrs 00904 ); 00905 00913 fsal_status_t FSAL_RemoveXAttrById(fsal_handle_t * p_objecthandle, /* IN */ 00914 fsal_op_context_t * p_context, /* IN */ 00915 unsigned int xattr_id); /* IN */ 00916 00924 fsal_status_t FSAL_RemoveXAttrByName(fsal_handle_t * p_objecthandle, /* IN */ 00925 fsal_op_context_t * p_context, /* IN */ 00926 const fsal_name_t * xattr_name); /* IN */ 00927 00928 /****************************************************** 00929 * FSAL miscelaneous tools. 00930 ******************************************************/ 00931 00932 /* Note : one per client thread */ 00933 void FSAL_get_stats(fsal_statistics_t * stats, /* OUT */ 00934 fsal_boolean_t reset /* IN */ 00935 ); 00936 00937 /* Return the name of the underlying file system (used for traces) */ 00938 char *FSAL_GetFSName(); 00939 00940 /****************************************************** 00941 * FSAL quota related functions. 00942 ******************************************************/ 00943 #define FSAL_QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK)) 00944 00945 fsal_status_t FSAL_get_quota(fsal_path_t * pfsal_path, /* IN */ 00946 int quota_type, /* IN */ 00947 fsal_uid_t fsal_uid, /* IN */ 00948 fsal_quota_t * pquota); /* OUT */ 00949 00950 fsal_status_t FSAL_set_quota(fsal_path_t * pfsal_path, /* IN */ 00951 int quota_type, /* IN */ 00952 fsal_uid_t fsal_uid, /* IN */ 00953 fsal_quota_t * pquot, /* IN */ 00954 fsal_quota_t * presquot); /* OUT */ 00955 00956 fsal_status_t FSAL_check_quota( char *path, /* IN */ 00957 fsal_quota_type_t quota_type, 00958 fsal_uid_t fsal_uid); /* IN */ 00959 00960 00961 00962 /****************************************************** 00963 * Standard convertion routines. 00964 ******************************************************/ 00965 00966 unsigned int FSAL_GetFileno(fsal_file_t * pfile); 00967 #define FSAL_FILENO( pfile ) FSAL_GetFileno( pfile ) 00968 00978 mode_t fsal2unix_mode(fsal_accessmode_t fsal_mode); 00979 00980 fsal_dev_t posix2fsal_devt(dev_t posix_devid); 00981 00991 fsal_accessmode_t unix2fsal_mode(mode_t unix_mode); 00992 00993 /* The following functions are used in Cache_Inode_Asynch mode */ 00994 00995 fsal_status_t FSAL_setattr_access(fsal_op_context_t * p_context, /* IN */ 00996 fsal_attrib_list_t * candidate_attributes, /* IN */ 00997 fsal_attrib_list_t * object_attributes /* IN */ 00998 ); 00999 01000 fsal_status_t FSAL_merge_attrs(fsal_attrib_list_t * pinit_attr, /* IN */ 01001 fsal_attrib_list_t * pnew_attr, /* IN */ 01002 fsal_attrib_list_t * presult_attr); /* OUT */ 01003 01004 fsal_status_t FSAL_rename_access(fsal_op_context_t * pcontext, /* IN */ 01005 fsal_attrib_list_t * pattrsrc, /* IN */ 01006 fsal_attrib_list_t * pattrdest); /* IN */ 01007 01008 fsal_status_t FSAL_unlink_access(fsal_op_context_t * pcontext, /* IN */ 01009 fsal_attrib_list_t * pattr); /* IN */ 01010 01011 fsal_status_t FSAL_create_access(fsal_op_context_t * pcontext, /* IN */ 01012 fsal_attrib_list_t * pattr); /* IN */ 01013 01014 fsal_status_t FSAL_link_access(fsal_op_context_t * pcontext, /* IN */ 01015 fsal_attrib_list_t * pattr); /* IN */ 01016 01017 /****************************************************** 01018 * Structure used to define a fsal 01019 ******************************************************/ 01020 01021 typedef struct fsal_functions__ 01022 { 01023 /* FSAL_access */ 01024 fsal_status_t(*fsal_access) (fsal_handle_t * p_object_handle, 01025 fsal_op_context_t * p_context, 01026 fsal_accessflags_t access_type, 01027 fsal_attrib_list_t * p_object_attribute); 01028 01029 /* FSAL_getattrs */ 01030 fsal_status_t(*fsal_getattrs) (fsal_handle_t * p_filehandle, /* IN */ 01031 fsal_op_context_t * p_context, /* IN */ 01032 fsal_attrib_list_t * p_object_attributes /* IN/OUT */ ); 01033 01034 /* FSAL_getattrs_descriptor */ 01035 fsal_status_t(*fsal_getattrs_descriptor) (fsal_file_t * p_file_descriptor, /* IN */ 01036 fsal_handle_t * p_filehandle, /* IN */ 01037 fsal_op_context_t * p_context, /* IN */ 01038 fsal_attrib_list_t * p_object_attributes /* IN/OUT */ ); 01039 01040 /* FSAL_setattrs */ 01041 fsal_status_t(*fsal_setattrs) (fsal_handle_t * p_filehandle, /* IN */ 01042 fsal_op_context_t * p_context, /* IN */ 01043 fsal_attrib_list_t * p_attrib_set, /* IN */ 01044 fsal_attrib_list_t * 01045 p_object_attributes /* [ IN/OUT ] */ ); 01046 01047 /* FSAL__BuildExportContext */ 01048 fsal_status_t(*fsal_buildexportcontext) (fsal_export_context_t * p_export_context, /* OUT */ 01049 fsal_path_t * p_export_path, /* IN */ 01050 char *fs_specific_options /* IN */ ); 01051 01052 /* FSAL_CleanUpExportContent */ 01053 fsal_status_t(*fsal_cleanupexportcontext) (fsal_export_context_t * p_export_context); 01054 01055 01056 /* FSAL_InitClientContext */ 01057 fsal_status_t(*fsal_initclientcontext) (fsal_op_context_t * p_thr_context); 01058 01059 /* FSAL_GetClientContext */ 01060 fsal_status_t(*fsal_getclientcontext) (fsal_op_context_t * p_thr_context, /* IN/OUT */ 01061 fsal_export_context_t * p_export_context, /* IN */ 01062 fsal_uid_t uid, /* IN */ 01063 fsal_gid_t gid, /* IN */ 01064 fsal_gid_t * alt_groups, /* IN */ 01065 fsal_count_t nb_alt_groups /* IN */ ); 01066 01067 /* FSAL_create */ 01068 fsal_status_t(*fsal_create) (fsal_handle_t * p_parent_directory_handle, /* IN */ 01069 fsal_name_t * p_filename, /* IN */ 01070 fsal_op_context_t * p_context, /* IN */ 01071 fsal_accessmode_t accessmode, /* IN */ 01072 fsal_handle_t * p_object_handle, /* OUT */ 01073 fsal_attrib_list_t * 01074 p_object_attributes /* [ IN/OUT ] */ ); 01075 01076 /* FSAL_mkdir */ 01077 fsal_status_t(*fsal_mkdir) (fsal_handle_t * p_parent_directory_handle, /* IN */ 01078 fsal_name_t * p_dirname, /* IN */ 01079 fsal_op_context_t * p_context, /* IN */ 01080 fsal_accessmode_t accessmode, /* IN */ 01081 fsal_handle_t * p_object_handle, /* OUT */ 01082 fsal_attrib_list_t * p_object_attributes /* [ IN/OUT ] */ ); 01083 01084 /* FSAL_link */ 01085 fsal_status_t(*fsal_link) (fsal_handle_t * p_target_handle, /* IN */ 01086 fsal_handle_t * p_dir_handle, /* IN */ 01087 fsal_name_t * p_link_name, /* IN */ 01088 fsal_op_context_t * p_context, /* IN */ 01089 fsal_attrib_list_t * p_attributes /* [ IN/OUT ] */ ); 01090 01091 /* FSAL_mknode */ 01092 fsal_status_t(*fsal_mknode) (fsal_handle_t * parentdir_handle, /* IN */ 01093 fsal_name_t * p_node_name, /* IN */ 01094 fsal_op_context_t * p_context, /* IN */ 01095 fsal_accessmode_t accessmode, /* IN */ 01096 fsal_nodetype_t nodetype, /* IN */ 01097 fsal_dev_t * dev, /* IN */ 01098 fsal_handle_t * p_object_handle, /* OUT (handle to the created node) */ 01099 fsal_attrib_list_t * node_attributes /* [ IN/OUT ] */ ); 01100 01101 /* FSAL_opendir */ 01102 fsal_status_t(*fsal_opendir) (fsal_handle_t * p_dir_handle, /* IN */ 01103 fsal_op_context_t * p_context, /* IN */ 01104 fsal_dir_t * p_dir_descriptor, /* OUT */ 01105 fsal_attrib_list_t * p_dir_attributes /* [ IN/OUT ] */ ); 01106 01107 /* FSAL_readdir */ 01108 fsal_status_t(*fsal_readdir) (fsal_dir_t * p_dir_descriptor, /* IN */ 01109 fsal_cookie_t start_position, /* IN */ 01110 fsal_attrib_mask_t get_attr_mask, /* IN */ 01111 fsal_mdsize_t buffersize, /* IN */ 01112 fsal_dirent_t * p_pdirent, /* OUT */ 01113 fsal_cookie_t * p_end_position, /* OUT */ 01114 fsal_count_t * p_nb_entries, /* OUT */ 01115 fsal_boolean_t * p_end_of_dir /* OUT */ ); 01116 01117 /* FSAL_closedir */ 01118 fsal_status_t(*fsal_closedir) (fsal_dir_t * p_dir_descriptor /* IN */ ); 01119 01120 /* FSAL_open_by_name */ 01121 fsal_status_t(*fsal_open_by_name) (fsal_handle_t * dirhandle, /* IN */ 01122 fsal_name_t * filename, /* IN */ 01123 fsal_op_context_t * p_context, /* IN */ 01124 fsal_openflags_t openflags, /* IN */ 01125 fsal_file_t * file_descriptor, /* OUT */ 01126 fsal_attrib_list_t * 01127 file_attributes /* [ IN/OUT ] */ ); 01128 01129 /* FSAL_open */ 01130 fsal_status_t(*fsal_open) (fsal_handle_t * p_filehandle, /* IN */ 01131 fsal_op_context_t * p_context, /* IN */ 01132 fsal_openflags_t openflags, /* IN */ 01133 fsal_file_t * p_file_descriptor, /* OUT */ 01134 fsal_attrib_list_t * p_file_attributes /* [ IN/OUT ] */ ); 01135 01136 /* FSAL_read */ 01137 fsal_status_t(*fsal_read) (fsal_file_t * p_file_descriptor, /* IN */ 01138 fsal_seek_t * p_seek_descriptor, /* [IN] */ 01139 fsal_size_t buffer_size, /* IN */ 01140 caddr_t buffer, /* OUT */ 01141 fsal_size_t * p_read_amount, /* OUT */ 01142 fsal_boolean_t * p_end_of_file /* OUT */ ); 01143 01144 /* FSAL_write */ 01145 fsal_status_t(*fsal_write) (fsal_file_t * p_file_descriptor, /* IN */ 01146 fsal_op_context_t * p_context, /* IN */ 01147 fsal_seek_t * p_seek_descriptor, /* IN */ 01148 fsal_size_t buffer_size, /* IN */ 01149 caddr_t buffer, /* IN */ 01150 fsal_size_t * p_write_amount /* OUT */ ); 01151 01152 /* FSAL_close */ 01153 fsal_status_t(*fsal_close) (fsal_file_t * p_file_descriptor /* IN */ ); 01154 01155 /* FSAL_open_by_fileid */ 01156 fsal_status_t(*fsal_open_by_fileid) (fsal_handle_t * filehandle, /* IN */ 01157 fsal_u64_t fileid, /* IN */ 01158 fsal_op_context_t * p_context, /* IN */ 01159 fsal_openflags_t openflags, /* IN */ 01160 fsal_file_t * file_descriptor, /* OUT */ 01161 fsal_attrib_list_t * 01162 file_attributes /* [ IN/OUT ] */ ); 01163 01164 /* FSAL_close_by_fileid */ 01165 fsal_status_t(*fsal_close_by_fileid) (fsal_file_t * file_descriptor /* IN */ , 01166 fsal_u64_t fileid); 01167 01168 /* FSAL_dynamic_fsinfo */ 01169 fsal_status_t(*fsal_dynamic_fsinfo) (fsal_handle_t * p_filehandle, /* IN */ 01170 fsal_op_context_t * p_context, /* IN */ 01171 fsal_dynamicfsinfo_t * p_dynamicinfo /* OUT */ ); 01172 01173 /* FSAL_Init */ 01174 fsal_status_t(*fsal_init) (fsal_parameter_t * init_info /* IN */ ); 01175 01176 /* FSAL_terminate */ 01177 fsal_status_t(*fsal_terminate) (); 01178 01179 /* FSAL_test_access */ 01180 fsal_status_t(*fsal_test_access) (fsal_op_context_t * p_context, /* IN */ 01181 fsal_accessflags_t access_type, /* IN */ 01182 fsal_attrib_list_t * p_object_attributes /* IN */ ); 01183 01184 /* FSAL_setattr_access */ 01185 fsal_status_t(*fsal_setattr_access) (fsal_op_context_t * p_context, /* IN */ 01186 fsal_attrib_list_t * candidate_attributes, /* IN */ 01187 fsal_attrib_list_t * object_attributes /* IN */ ); 01188 01189 /* FSAL_rename_access */ 01190 fsal_status_t(*fsal_rename_access) (fsal_op_context_t * pcontext, /* IN */ 01191 fsal_attrib_list_t * pattrsrc, /* IN */ 01192 fsal_attrib_list_t * pattrdest) /* IN */ ; 01193 01194 /* FSAL_create_access */ 01195 fsal_status_t(*fsal_create_access) (fsal_op_context_t * pcontext, /* IN */ 01196 fsal_attrib_list_t * pattr) /* IN */ ; 01197 01198 /* FSAL_unlink_access */ 01199 fsal_status_t(*fsal_unlink_access) (fsal_op_context_t * pcontext, /* IN */ 01200 fsal_attrib_list_t * pattr) /* IN */ ; 01201 01202 /* FSAL_link_access */ 01203 fsal_status_t(*fsal_link_access) (fsal_op_context_t * pcontext, /* IN */ 01204 fsal_attrib_list_t * pattr) /* IN */ ; 01205 01206 /* FSAL_merge_attrs */ 01207 fsal_status_t(*fsal_merge_attrs) (fsal_attrib_list_t * pinit_attr, 01208 fsal_attrib_list_t * pnew_attr, 01209 fsal_attrib_list_t * presult_attr); 01210 01211 /* FSAL_lookup */ 01212 fsal_status_t(*fsal_lookup) (fsal_handle_t * p_parent_directory_handle, /* IN */ 01213 fsal_name_t * p_filename, /* IN */ 01214 fsal_op_context_t * p_context, /* IN */ 01215 fsal_handle_t * p_object_handle, /* OUT */ 01216 fsal_attrib_list_t * 01217 p_object_attributes /* [ IN/OUT ] */ ); 01218 01219 /* FSAL_lookupPath */ 01220 fsal_status_t(*fsal_lookuppath) (fsal_path_t * p_path, /* IN */ 01221 fsal_op_context_t * p_context, /* IN */ 01222 fsal_handle_t * object_handle, /* OUT */ 01223 fsal_attrib_list_t * 01224 p_object_attributes /* [ IN/OUT ] */ ); 01225 01226 /* FSAL_lookupJunction */ 01227 fsal_status_t(*fsal_lookupjunction) (fsal_handle_t * p_junction_handle, /* IN */ 01228 fsal_op_context_t * p_context, /* IN */ 01229 fsal_handle_t * p_fsoot_handle, /* OUT */ 01230 fsal_attrib_list_t * 01231 p_fsroot_attributes /* [ IN/OUT ] */ ); 01232 /* FSAL_CleanObjectResources */ 01233 fsal_status_t(*fsal_cleanobjectresources) (fsal_handle_t * in_fsal_handle); 01234 01235 /* FSAL_cookie_to_uint64 */ 01236 fsal_status_t(*fsal_cookie_to_uint64) (fsal_handle_t * handle, 01237 fsal_cookie_t * cookie, 01238 uint64_t * uint64); 01239 01240 /* FSAL_uint64_to_cookie */ 01241 fsal_status_t(*fsal_uint64_to_cookie) (fsal_handle_t * handle, 01242 uint64_t * uint64, 01243 fsal_cookie_t * cookie); 01244 01245 /* FSAL_get_cookieverf */ 01246 fsal_status_t(*fsal_get_cookieverf)(fsal_handle_t * handle, 01247 uint64_t * cookie); 01248 /* FSAL_set_quota */ 01249 fsal_status_t(*fsal_set_quota) (fsal_path_t * pfsal_path, /* IN */ 01250 int quota_type, /* IN */ 01251 fsal_uid_t fsal_uid, /* IN */ 01252 fsal_quota_t * pquota, /* IN */ 01253 fsal_quota_t * presquota); /* OUT */ 01254 01255 /* FSAL_get_quota */ 01256 fsal_status_t(*fsal_get_quota) (fsal_path_t * pfsal_path, /* IN */ 01257 int quota_type, /* IN */ 01258 fsal_uid_t fsal_uid, /* IN */ 01259 fsal_quota_t * pquota); /* OUT */ 01260 01261 /* FSAL_check_quota */ 01262 fsal_status_t(*fsal_check_quota)( char * pfsal_path, /* IN */ 01263 fsal_quota_type_t quota_type, 01264 fsal_uid_t fsal_uid); /* IN */ 01265 01266 /* FSAL_rcp */ 01267 fsal_status_t(*fsal_rcp) (fsal_handle_t * filehandle, /* IN */ 01268 fsal_op_context_t * p_context, /* IN */ 01269 fsal_path_t * p_local_path, /* IN */ 01270 fsal_rcpflag_t transfer_opt); /* IN */ 01271 01272 /* FSAL_rename */ 01273 fsal_status_t(*fsal_rename) (fsal_handle_t * p_old_parentdir_handle, /* IN */ 01274 fsal_name_t * p_old_name, /* IN */ 01275 fsal_handle_t * p_new_parentdir_handle, /* IN */ 01276 fsal_name_t * p_new_name, /* IN */ 01277 fsal_op_context_t * p_context, /* IN */ 01278 fsal_attrib_list_t * p_src_dir_attributes, /* [ IN/OUT ] */ 01279 fsal_attrib_list_t * 01280 p_tgt_dir_attributes /* [ IN/OUT ] */ ); 01281 01282 /* FSAL_get_stats */ 01283 void (*fsal_get_stats) (fsal_statistics_t * stats, /* OUT */ 01284 fsal_boolean_t reset); /* IN */ 01285 01286 /* FSAL_readlink */ 01287 fsal_status_t(*fsal_readlink) (fsal_handle_t * p_linkhandle, /* IN */ 01288 fsal_op_context_t * p_context, /* IN */ 01289 fsal_path_t * p_link_content, /* OUT */ 01290 fsal_attrib_list_t * 01291 p_link_attributes /* [ IN/OUT ] */ ); 01292 01293 /* FSAL_symlink */ 01294 fsal_status_t(*fsal_symlink) (fsal_handle_t * p_parent_directory_handle, /* IN */ 01295 fsal_name_t * p_linkname, /* IN */ 01296 fsal_path_t * p_linkcontent, /* IN */ 01297 fsal_op_context_t * p_context, /* IN */ 01298 fsal_accessmode_t accessmode, /* IN (ignored) */ 01299 fsal_handle_t * p_link_handle, /* OUT */ 01300 fsal_attrib_list_t * 01301 p_link_attributes /* [ IN/OUT ] */ ); 01302 01303 /* FSAL_handlecmp */ 01304 int (*fsal_handlecmp) (fsal_handle_t * handle1, fsal_handle_t * handle2, 01305 fsal_status_t * status); 01306 01307 /* FSAL_Handle_to_HashIndex */ 01308 unsigned int (*fsal_handle_to_hashindex) (fsal_handle_t * p_handle, 01309 unsigned int cookie, 01310 unsigned int alphabet_len, 01311 unsigned int index_size); 01312 01313 /* FSAL_Handle_to_RBTIndex */ 01314 unsigned int (*fsal_handle_to_rbtindex) (fsal_handle_t * p_handle, unsigned int cookie); 01315 01316 /* FSAL_Handle_to_Hash_both */ 01317 unsigned int (*fsal_handle_to_hash_both) (fsal_handle_t * p_handle, unsigned int cookie, unsigned int alphabet_len, 01318 unsigned int index_size, unsigned int * phashval, unsigned int *prbtval ) ; 01319 01320 /* FSAL_DigestHandle */ 01321 fsal_status_t(*fsal_digesthandle) (fsal_export_context_t * p_expcontext, /* IN */ 01322 fsal_digesttype_t output_type, /* IN */ 01323 fsal_handle_t * p_in_fsal_handle, /* IN */ 01324 struct fsal_handle_desc *fh_desc /* OUT */ ); 01325 01326 /* FSAL_ExpandHandle */ 01327 fsal_status_t(*fsal_expandhandle) (fsal_export_context_t * p_expcontext, /* IN */ 01328 fsal_digesttype_t in_type, /* IN */ 01329 struct fsal_handle_desc *fh_desc /* IN OUT */ ); 01330 01331 /* FSAL_SetDefault_FSAL_parameter */ 01332 fsal_status_t(*fsal_setdefault_fsal_parameter) (fsal_parameter_t * out_parameter); 01333 01334 /* FSAL_SetDefault_FS_common_parameter */ 01335 fsal_status_t(*fsal_setdefault_fs_common_parameter) (fsal_parameter_t * out_parameter); 01336 01337 /* FSAL_SetDefault_FS_specific_parameter */ 01338 fsal_status_t(*fsal_setdefault_fs_specific_parameter) (fsal_parameter_t * 01339 out_parameter); 01340 01341 /* FSAL_load_FSAL_parameter_from_conf */ 01342 fsal_status_t(*fsal_load_fsal_parameter_from_conf) (config_file_t in_config, 01343 fsal_parameter_t * out_parameter); 01344 01345 /* FSAL_load_FS_common_parameter_from_conf */ 01346 fsal_status_t(*fsal_load_fs_common_parameter_from_conf) (config_file_t in_config, 01347 fsal_parameter_t * 01348 out_parameter); 01349 01350 /* FSAL_load_FS_specific_parameter_from_conf */ 01351 fsal_status_t(*fsal_load_fs_specific_parameter_from_conf) (config_file_t in_config, 01352 fsal_parameter_t * 01353 out_parameter); 01354 01355 /* FSAL_truncate */ 01356 fsal_status_t(*fsal_truncate) (fsal_handle_t * p_filehandle, /* IN */ 01357 fsal_op_context_t * p_context, /* IN */ 01358 fsal_size_t length, /* IN */ 01359 fsal_file_t * file_descriptor, /* Unused in this FSAL */ 01360 fsal_attrib_list_t * 01361 p_object_attributes /* [ IN/OUT ] */ ); 01362 01363 /* FSAL_unlink */ 01364 fsal_status_t(*fsal_unlink) (fsal_handle_t * p_parent_directory_handle, /* IN */ 01365 fsal_name_t * p_object_name, /* IN */ 01366 fsal_op_context_t * p_context, /* IN */ 01367 fsal_attrib_list_t * 01368 p_parent_directory_attributes /* [IN/OUT ] */ ); 01369 01370 /* FSAL_GetFSName */ 01371 char *(*fsal_getfsname) (); 01372 01373 /* FSAL_GetXAttrAttrs */ 01374 fsal_status_t(*fsal_getxattrattrs) (fsal_handle_t * p_objecthandle, /* IN */ 01375 fsal_op_context_t * p_context, /* IN */ 01376 unsigned int xattr_id, /* IN */ 01377 fsal_attrib_list_t * p_attrs); 01378 01379 /* FSAL_ListXAttrs */ 01380 fsal_status_t(*fsal_listxattrs) (fsal_handle_t * p_objecthandle, /* IN */ 01381 unsigned int cookie, /* IN */ 01382 fsal_op_context_t * p_context, /* IN */ 01383 fsal_xattrent_t * xattrs_tab, /* IN/OUT */ 01384 unsigned int xattrs_tabsize, /* IN */ 01385 unsigned int *p_nb_returned, /* OUT */ 01386 int *end_of_list /* OUT */ ); 01387 01388 /* FSAL_GetXAttrValueById */ 01389 fsal_status_t(*fsal_getxattrvaluebyid) (fsal_handle_t * p_objecthandle, /* IN */ 01390 unsigned int xattr_id, /* IN */ 01391 fsal_op_context_t * p_context, /* IN */ 01392 caddr_t buffer_addr, /* IN/OUT */ 01393 size_t buffer_size, /* IN */ 01394 size_t * p_output_size /* OUT */ ); 01395 01396 /* FSAL_GetXAttrIdByName */ 01397 fsal_status_t(*fsal_getxattridbyname) (fsal_handle_t * p_objecthandle, /* IN */ 01398 const fsal_name_t * xattr_name, /* IN */ 01399 fsal_op_context_t * p_context, /* IN */ 01400 unsigned int *pxattr_id /* OUT */ ); 01401 01402 /* FSAL_GetXAttrValueByName */ 01403 fsal_status_t(*fsal_getxattrvaluebyname) (fsal_handle_t * p_objecthandle, /* IN */ 01404 const fsal_name_t * xattr_name, /* IN */ 01405 fsal_op_context_t * p_context, /* IN */ 01406 caddr_t buffer_addr, /* IN/OUT */ 01407 size_t buffer_size, /* IN */ 01408 size_t * p_output_size /* OUT */ ); 01409 01410 /* FSAL_SetXAttrValue */ 01411 fsal_status_t(*fsal_setxattrvalue) (fsal_handle_t * p_objecthandle, /* IN */ 01412 const fsal_name_t * xattr_name, /* IN */ 01413 fsal_op_context_t * p_context, /* IN */ 01414 caddr_t buffer_addr, /* IN */ 01415 size_t buffer_size, /* IN */ 01416 int create /* IN */ ); 01417 01418 /* FSAL_SetXAttrValueById */ 01419 fsal_status_t(*fsal_setxattrvaluebyid) (fsal_handle_t * p_objecthandle, /* IN */ 01420 unsigned int xattr_id, /* IN */ 01421 fsal_op_context_t * p_context, /* IN */ 01422 caddr_t buffer_addr, /* IN */ 01423 size_t buffer_size /* IN */ ); 01424 01425 /* FSAL_RemoveXAttrById */ 01426 fsal_status_t(*fsal_removexattrbyid) (fsal_handle_t * p_objecthandle, /* IN */ 01427 fsal_op_context_t * p_context, /* IN */ 01428 unsigned int xattr_id) /* IN */ ; 01429 01430 /* FSAL_RemoveXAttrByName */ 01431 fsal_status_t(*fsal_removexattrbyname) (fsal_handle_t * p_objecthandle, /* IN */ 01432 fsal_op_context_t * p_context, /* IN */ 01433 const fsal_name_t * xattr_name) /* IN */ ; 01434 01435 /* FSAL_getextattrs */ 01436 fsal_status_t (*fsal_getextattrs)( fsal_handle_t * p_filehandle, /* IN */ 01437 fsal_op_context_t * p_context, /* IN */ 01438 fsal_extattrib_list_t * p_object_attributes /* OUT */ ) ; 01439 01440 fsal_status_t (*fsal_lock_op)( fsal_file_t * p_file_descriptor, /* IN */ 01441 fsal_handle_t * p_filehandle, /* IN */ 01442 fsal_op_context_t * p_context, /* IN */ 01443 void * p_owner, /* IN (opaque to FSAL) */ 01444 fsal_lock_op_t lock_op, /* IN */ 01445 fsal_lock_param_t request_lock, /* IN */ 01446 fsal_lock_param_t * conflicting_lock /* OUT */ ); 01447 01448 /* get fileno */ 01449 unsigned int (*fsal_getfileno) (fsal_file_t *); 01450 01451 fsal_status_t(*fsal_commit) ( fsal_file_t * p_file_descriptor, 01452 fsal_off_t offset, 01453 fsal_size_t size ); 01454 01455 /* FSAL_UP functions */ 01456 #ifdef _USE_FSAL_UP 01457 fsal_status_t(*fsal_up_init) (struct fsal_up_event_bus_parameter_t_ * pebparam, /* IN */ 01458 struct fsal_up_event_bus_context_t_ * pupebcontext /* OUT */ ); 01459 fsal_status_t(*fsal_up_addfilter)(struct fsal_up_event_bus_filter_t_ * pupebfilter, /* IN */ 01460 struct fsal_up_event_bus_context_t_ * pupebcontext /* INOUT */ ); 01461 fsal_status_t(*fsal_up_getevents)(struct glist_head * pevent_head, /* OUT */ 01462 fsal_count_t * event_nb, /* IN */ 01463 fsal_time_t timeout, /* IN */ 01464 fsal_count_t * peventfound, /* OUT */ 01465 struct fsal_up_event_bus_context_t_ * pupebcontext /* IN */ ); 01466 #endif /* _USE_FSAL_UP */ 01467 01468 fsal_status_t (*fsal_share_op)( fsal_file_t * p_file_descriptor, /* IN */ 01469 fsal_handle_t * p_filehandle, /* IN */ 01470 fsal_op_context_t * p_context, /* IN */ 01471 void * p_owner, /* IN (opaque to FSAL) */ 01472 fsal_share_param_t request_share /* IN */ ); 01473 } fsal_functions_t; 01474 01475 /* Structure allow assignement, char[<n>] do not */ 01476 typedef struct fsal_const__ 01477 { 01478 unsigned int fsal_handle_t_size; 01479 unsigned int fsal_op_context_t_size; 01480 unsigned int fsal_export_context_t_size; 01481 unsigned int fsal_file_t_size; 01482 unsigned int fsal_cookie_t_size; 01483 unsigned int fsal_cred_t_size; 01484 unsigned int fs_specific_initinfo_t_size; 01485 unsigned int fsal_dir_t_size; 01486 } fsal_const_t; 01487 01488 int FSAL_LoadLibrary(char *path); 01489 01490 fsal_functions_t FSAL_GetFunctions(void); 01491 void FSAL_LoadFunctions(void); 01492 01493 fsal_const_t FSAL_GetConsts(void); 01494 void FSAL_LoadConsts(void); 01495 01496 #endif /* ! _USE_SWIG */ 01497 01498 #endif /* _FSAL_H */
1.7.3