void rozofs_ll_open_nb(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) { ientry_t *ie = 0; int ret; void *buffer_p = NULL; epgw_mfile_arg_t arg; file_t *file = NULL; errno = 0; int trc_idx = rozofs_trc_req(srv_rozofs_ll_open,ino,NULL); /* ** allocate a context for saving the fuse parameters */ buffer_p = rozofs_fuse_alloc_saved_context(); if (buffer_p == NULL) { severe("out of fuse saved context"); errno = ENOMEM; goto error; } SAVE_FUSE_PARAM(buffer_p,req); SAVE_FUSE_PARAM(buffer_p,ino); SAVE_FUSE_PARAM(buffer_p,trc_idx); SAVE_FUSE_STRUCT(buffer_p,fi,sizeof( struct fuse_file_info)); START_PROFILING_NB(buffer_p,rozofs_ll_open); DEBUG("open (%lu)\n", (unsigned long int) ino); if (!(ie = get_ientry_by_inode(ino))) { errno = ENOENT; goto error; } /* ** check if it is configured in block mode, in that case we avoid ** a transaction with the exportd */ if ((rozofs_mode == 1) || ((ie->timestamp+rozofs_tmr_get(TMR_FUSE_ATTR_CACHE)*1000000) > rozofs_get_ticker_us())) { /* ** allocate a context for the file descriptor */ file = rozofs_file_working_var_init(ie,ie->fid); if (rozofs_cache_mode == 1) fi->direct_io = 1; else { if (rozofs_cache_mode == 2) fi->keep_cache = 1; } fi->fh = (unsigned long) file; /* ** update the statistics */ rzkpi_file_stat_update(ie->pfid,(int)0,RZKPI_OPEN); /* ** send back response to fuse */ fuse_reply_open(req, fi); goto out; } /* ** get the attributes of the file */ arg.arg_gw.eid = exportclt.eid; memcpy(arg.arg_gw.fid, ie->fid, sizeof (uuid_t)); /* ** now initiates the transaction towards the remote end */ #if 1 ret = rozofs_expgateway_send_routing_common(arg.arg_gw.eid,ie->fid,EXPORT_PROGRAM, EXPORT_VERSION, EP_GETATTR,(xdrproc_t) xdr_epgw_mfile_arg_t,(void *)&arg, rozofs_ll_open_cbk,buffer_p); #else ret = rozofs_export_send_common(&exportclt,EXPORT_PROGRAM, EXPORT_VERSION, EP_GETATTR,(xdrproc_t) xdr_epgw_mfile_arg_t,(void *)&arg, rozofs_ll_open_cbk,buffer_p); #endif if (ret < 0) goto error; /* ** no error just waiting for the answer */ return; error: fuse_reply_err(req, errno); /* ** release the buffer if has been allocated */ out: rozofs_trc_rsp_attr(srv_rozofs_ll_open,(fuse_ino_t)file,(ie==NULL)?NULL:ie->attrs.fid,(errno==0)?0:1,(ie==NULL)?-1:ie->attrs.size,trc_idx); STOP_PROFILING_NB(buffer_p,rozofs_ll_open); if (buffer_p != NULL) rozofs_fuse_release_saved_context(buffer_p); return; }
void rozofs_ll_create_nb(fuse_req_t req, fuse_ino_t parent, const char *name, mode_t mode, struct fuse_file_info *fi) { ientry_t *ie = 0; const struct fuse_ctx *ctx; ctx = fuse_req_ctx(req); epgw_mknod_arg_t arg; int ret; void *buffer_p = NULL; int trc_idx = rozofs_trc_req_name(srv_rozofs_ll_create,parent,(char*)name); /* ** allocate a context for saving the fuse parameters */ buffer_p = rozofs_fuse_alloc_saved_context(); if (buffer_p == NULL) { severe("out of fuse saved context"); errno = ENOMEM; goto error; } SAVE_FUSE_PARAM(buffer_p,req); SAVE_FUSE_PARAM(buffer_p,parent); SAVE_FUSE_STRING(buffer_p,name); SAVE_FUSE_PARAM(buffer_p,mode); SAVE_FUSE_PARAM(buffer_p,trc_idx); SAVE_FUSE_STRUCT(buffer_p,fi,sizeof( struct fuse_file_info)); START_PROFILING_NB(buffer_p,rozofs_ll_create); DEBUG("create (%lu,%s,%04o)\n", (unsigned long int) parent, name, (unsigned int) mode); if (strlen(name) > ROZOFS_FILENAME_MAX) { errno = ENAMETOOLONG; goto error; } if (!(ie = get_ientry_by_inode(parent))) { errno = ENOENT; goto error; } /* ** fill up the structure that will be used for creating the xdr message */ arg.arg_gw.eid = exportclt.eid; memcpy(arg.arg_gw.parent,ie->fid, sizeof (uuid_t)); arg.arg_gw.name = (char*)name; arg.arg_gw.uid = ctx->uid; arg.arg_gw.gid = ctx->gid; arg.arg_gw.mode = mode; arg.hdr.gateway_rank = rozofs_get_site_number(); /* ** now initiates the transaction towards the remote end */ #if 1 ret = rozofs_expgateway_send_routing_common(arg.arg_gw.eid,ie->fid,EXPORT_PROGRAM, EXPORT_VERSION, EP_MKNOD,(xdrproc_t) xdr_epgw_mknod_arg_t,(void *)&arg, rozofs_ll_create_cbk,buffer_p); #else ret = rozofs_export_send_common(&exportclt,EXPORT_PROGRAM, EXPORT_VERSION, EP_MKNOD,(xdrproc_t) xdr_epgw_mknod_arg_t,(void *)&arg, rozofs_ll_create_cbk,buffer_p); #endif if (ret < 0) goto error; /* ** no error just waiting for the answer */ return; error: fuse_reply_err(req, errno); rozofs_trc_rsp(srv_rozofs_ll_create,parent,NULL,1,trc_idx); STOP_PROFILING_NB(buffer_p,rozofs_ll_create); if (buffer_p != NULL) rozofs_fuse_release_saved_context(buffer_p); return; }
void rozofs_ll_setxattr_nb(fuse_req_t req, fuse_ino_t ino, const char *name, const char *value, size_t size, int flags) { ientry_t *ie = 0; int ret; void *buffer_p = NULL; epgw_setxattr_arg_t arg; DEBUG("setxattr (inode: %lu, name: %s, value: %s, size: %llu)\n", (unsigned long int) ino, name, value, (unsigned long long int) size); /* ** allocate a context for saving the fuse parameters */ int trc_idx = rozofs_trc_req_name(srv_rozofs_ll_setxattr,ino,(char*)name); buffer_p = rozofs_fuse_alloc_saved_context(); if (buffer_p == NULL) { severe("out of fuse saved context"); errno = ENOMEM; goto error; } START_PROFILING_NB(buffer_p,rozofs_ll_setxattr); if (!(ie = get_ientry_by_inode(ino))) { errno = ENOENT; goto error; } SAVE_FUSE_PARAM(buffer_p,req); SAVE_FUSE_PARAM(buffer_p,ino); SAVE_FUSE_PARAM(buffer_p,trc_idx); // Invalidate ientry if ((strcmp(name,ROZOFS_XATTR)==0)||(strcmp(name,ROZOFS_USER_XATTR)==0)||(strcmp(name,ROZOFS_ROOT_XATTR)==0)) { ie->timestamp=0; } /* ** update the mode at the ientry level when it extended attribute is ACL */ rozofs_acl_access_check(name,value,size,(mode_t*)&ie->attrs.mode); /* ** Set xattr indicator in ientry */ rozofs_set_xattr_flag(&ie->attrs.mode); /* ** fill up the structure that will be used for creating the xdr message */ arg.arg_gw.eid = exportclt.eid; memcpy(arg.arg_gw.fid, ie->fid, sizeof (uuid_t)); arg.arg_gw.name = (char *)name; arg.arg_gw.value.value_len = size; arg.arg_gw.value.value_val = (char *)value; arg.arg_gw.flags = flags; /* ** now initiates the transaction towards the remote end */ #if 1 ret = rozofs_expgateway_send_routing_common(arg.arg_gw.eid,(unsigned char*)arg.arg_gw.fid,EXPORT_PROGRAM, EXPORT_VERSION, EP_SETXATTR,(xdrproc_t) xdr_epgw_setxattr_arg_t,(void *)&arg, rozofs_ll_setxattr_cbk,buffer_p); #else ret = rozofs_export_send_common(&exportclt,ROZOFS_TMR_GET(TMR_EXPORT_PROGRAM),EXPORT_PROGRAM, EXPORT_VERSION, EP_SETXATTR,(xdrproc_t) xdr_epgw_setxattr_arg_t,(void *)&arg, rozofs_ll_setxattr_cbk,buffer_p); #endif if (ret < 0) goto error; /* ** no error just waiting for the answer */ return; error: fuse_reply_err(req, errno); /* ** release the buffer if has been allocated */ rozofs_trc_rsp(srv_rozofs_ll_setxattr,ino,NULL,1,trc_idx); STOP_PROFILING_NB(buffer_p,rozofs_ll_setxattr); if (buffer_p != NULL) rozofs_fuse_release_saved_context(buffer_p); return; }