fsal_status_t FSAL_proxy_truncate_stateless(proxyfsal_handle_t * filehandle, /* IN */ proxyfsal_op_context_t * p_context, /* IN */ fsal_size_t length, /* IN */ fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */ ) { int rc; COMPOUND4args argnfs4; COMPOUND4res resnfs4; nfs_fh4 nfs4fh; fsal_status_t fsal_status; fsal_attrib_list_t open_attrs; bitmap4 inbitmap; bitmap4 convert_bitmap; uint32_t inbitmap_val[2]; uint32_t bitmap_res[2]; uint32_t bitmap_set[2]; uint32_t bitmap_conv_val[2]; #define FSAL_TRUNCATE_STATELESS_NB_OP_ALLOC 3 nfs_argop4 argoparray[FSAL_TRUNCATE_STATELESS_NB_OP_ALLOC]; nfs_resop4 resoparray[FSAL_TRUNCATE_STATELESS_NB_OP_ALLOC]; fsal_attrib_list_t fsal_attr_set; fattr4 fattr_set; fsal_proxy_internal_fattr_t fattr_internal; struct timeval timeout = { 25, 0 }; /* sanity checks. * note : object_attributes is optional. */ if(!filehandle || !p_context) Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_truncate); if(filehandle->data.object_type_reminder != FSAL_TYPE_FILE) { Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_truncate); } /* Setup results structures */ argnfs4.argarray.argarray_val = argoparray; resnfs4.resarray.resarray_val = resoparray; fsal_internal_proxy_setup_fattr(&fattr_internal); argnfs4.minorversion = 0; /* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Truncate" ; */ argnfs4.tag.utf8string_val = NULL; argnfs4.tag.utf8string_len = 0; argnfs4.argarray.argarray_len = 0; /* Get NFSv4 File handle */ if(fsal_internal_proxy_extract_fh(&nfs4fh, filehandle) == FALSE) Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_truncate); /* Get prepared for truncate */ fsal_attr_set.asked_attributes = FSAL_ATTR_SIZE; fsal_attr_set.filesize = length; convert_bitmap.bitmap4_val = bitmap_conv_val; convert_bitmap.bitmap4_len = 2; fsal_interval_proxy_fsalattr2bitmap4(&fsal_attr_set, &convert_bitmap); if(nfs4_FSALattr_To_Fattr(NULL, /* no exportlist required here */ &fsal_attr_set, &fattr_set, NULL, /* no compound data required here */ NULL, /* No fh here, filehandle is not a settable attribute */ &convert_bitmap) == -1) Return(ERR_FSAL_INVAL, -1, INDEX_FSAL_truncate); inbitmap.bitmap4_val = inbitmap_val; inbitmap.bitmap4_len = 2; fsal_internal_proxy_create_fattr_bitmap(&inbitmap); #define FSAL_TRUNCATE_STATELESS_IDX_OP_PUTFH 0 #define FSAL_TRUNCATE_STATELESS_IDX_OP_SETATTR 1 #define FSAL_TRUNCATE_STATELESS_IDX_OP_GETATTR 2 COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh); COMPOUNDV4_ARG_ADD_OP_SETATTR(argnfs4, fattr_set); COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, inbitmap); /* For ATTR_SIZE, stateid is needed, we use the stateless "all-0's" stateid here */ argnfs4.argarray.argarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_SETATTR].nfs_argop4_u. opsetattr.stateid.seqid = 0; memset(argnfs4.argarray.argarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_SETATTR]. nfs_argop4_u.opsetattr.stateid.other, 0, 12); resnfs4.resarray.resarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_GETATTR].nfs_resop4_u. opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_res; resnfs4.resarray.resarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_GETATTR].nfs_resop4_u. opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2; resnfs4.resarray.resarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_GETATTR].nfs_resop4_u. opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val = (char *)&fattr_internal; resnfs4.resarray.resarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_GETATTR].nfs_resop4_u. opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len = sizeof(fattr_internal); resnfs4.resarray.resarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_SETATTR].nfs_resop4_u. opsetattr.attrsset.bitmap4_val = bitmap_set; resnfs4.resarray.resarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_SETATTR].nfs_resop4_u. opsetattr.attrsset.bitmap4_len = 2; TakeTokenFSCall(); COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc); if(rc != RPC_SUCCESS) { ReleaseTokenFSCall(); Return(ERR_FSAL_IO, 0, INDEX_FSAL_truncate); } ReleaseTokenFSCall(); if(resnfs4.status != NFS4_OK) return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_truncate); /* >> interpret error code << */ /* >> Optionnaly retrieve post op attributes * If your filesystem truncate call can't return them, * you can proceed like this : << */ if(object_attributes) { if(nfs4_Fattr_To_FSAL_attr(object_attributes, &resnfs4.resarray.resarray_val [FSAL_TRUNCATE_STATELESS_IDX_OP_GETATTR]. nfs_resop4_u.opgetattr.GETATTR4res_u.resok4. obj_attributes) != 1) { FSAL_CLEAR_MASK(object_attributes->asked_attributes); FSAL_SET_MASK(object_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR); Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_truncate); } } /* No error occured */ Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_truncate); } /* FSAL_proxy_truncate_stateless */
fsal_status_t PROXYFSAL_truncate(fsal_handle_t * file_hdl, /* IN */ fsal_op_context_t * context, /* IN */ fsal_size_t length, /* IN */ fsal_file_t * file_descriptor, /* [IN|OUT] */ fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */ ) { int rc; COMPOUND4args argnfs4; COMPOUND4res resnfs4; nfs_fh4 nfs4fh; uint64_t fileid; fsal_status_t fsal_status; fsal_attrib_list_t open_attrs; bitmap4 inbitmap; bitmap4 convert_bitmap; uint32_t inbitmap_val[2]; uint32_t bitmap_res[2]; uint32_t bitmap_set[2]; uint32_t bitmap_conv_val[2]; proxyfsal_handle_t * filehandle = (proxyfsal_handle_t *)file_hdl; proxyfsal_op_context_t * p_context = (proxyfsal_op_context_t *)context; #define FSAL_TRUNCATE_NB_OP_ALLOC 3 nfs_argop4 argoparray[FSAL_TRUNCATE_NB_OP_ALLOC]; nfs_resop4 resoparray[FSAL_TRUNCATE_NB_OP_ALLOC]; fsal_attrib_list_t fsal_attr_set; fattr4 fattr_set; fsal_proxy_internal_fattr_t fattr_internal; struct timeval timeout = TIMEOUTRPC; /* sanity checks. * note : object_attributes is optional. */ if(!filehandle || !p_context) Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_truncate); if(filehandle->data.object_type_reminder != FSAL_TYPE_FILE) { Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_truncate); } if(file_descriptor == NULL) { /* Use the stateless version */ fsal_status = FSAL_proxy_truncate_stateless(file_hdl, context, length, object_attributes); Return(fsal_status.major, fsal_status.minor, INDEX_FSAL_truncate); } /* First, we need to get the fileid on a filehandle base */ fsal_status = FSAL_DigestHandle(context->export_context, FSAL_DIGEST_FILEID4, file_hdl, (caddr_t) & fileid); if(FSAL_IS_ERROR(fsal_status)) { Return(fsal_status.major, fsal_status.minor, INDEX_FSAL_truncate); } /* Then we have of open the file by fileid */ open_attrs.asked_attributes = FSAL_ATTRS_POSIX; fsal_status = FSAL_open_by_fileid(file_hdl, fileid, context, FSAL_O_RDWR, file_descriptor, &open_attrs); if(FSAL_IS_ERROR(fsal_status)) { Return(fsal_status.major, fsal_status.minor, INDEX_FSAL_truncate); } /* Setup results structures */ argnfs4.argarray.argarray_val = argoparray; resnfs4.resarray.resarray_val = resoparray; fsal_internal_proxy_setup_fattr(&fattr_internal); argnfs4.minorversion = 0; /* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Truncate" ; */ argnfs4.tag.utf8string_val = NULL; argnfs4.tag.utf8string_len = 0; argnfs4.argarray.argarray_len = 0; /* Get NFSv4 File handle */ if(fsal_internal_proxy_extract_fh(&nfs4fh, file_hdl) == FALSE) Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_truncate); /* Get prepared for truncate */ fsal_attr_set.asked_attributes = FSAL_ATTR_SIZE; fsal_attr_set.filesize = length; convert_bitmap.bitmap4_val = bitmap_conv_val; convert_bitmap.bitmap4_len = 2; fsal_interval_proxy_fsalattr2bitmap4(&fsal_attr_set, &convert_bitmap); if(nfs4_FSALattr_To_Fattr(NULL, /* no exportlist required here */ &fsal_attr_set, &fattr_set, NULL, /* no compound data required here */ NULL, /* No fh here, filehandle is not a settable attribute */ &convert_bitmap) == -1) Return(ERR_FSAL_INVAL, -1, INDEX_FSAL_truncate); inbitmap.bitmap4_val = inbitmap_val; inbitmap.bitmap4_len = 2; fsal_internal_proxy_create_fattr_bitmap(&inbitmap); #define FSAL_TRUNCATE_IDX_OP_PUTFH 0 #define FSAL_TRUNCATE_IDX_OP_SETATTR 1 #define FSAL_TRUNCATE_IDX_OP_GETATTR 2 COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh); COMPOUNDV4_ARG_ADD_OP_SETATTR(argnfs4, fattr_set); COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, inbitmap); /* For ATTR_SIZE, stateid is needed */ argnfs4.argarray.argarray_val[FSAL_TRUNCATE_IDX_OP_SETATTR].nfs_argop4_u.opsetattr. stateid.seqid = ((proxyfsal_file_t *)file_descriptor)->stateid.seqid; memcpy(argnfs4.argarray.argarray_val[FSAL_TRUNCATE_IDX_OP_SETATTR].nfs_argop4_u. opsetattr.stateid.other, ((proxyfsal_file_t *)file_descriptor)->stateid.other, 12); resnfs4.resarray.resarray_val[FSAL_TRUNCATE_IDX_OP_GETATTR].nfs_resop4_u.opgetattr. GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_res; resnfs4.resarray.resarray_val[FSAL_TRUNCATE_IDX_OP_GETATTR].nfs_resop4_u.opgetattr. GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2; resnfs4.resarray.resarray_val[FSAL_TRUNCATE_IDX_OP_GETATTR].nfs_resop4_u.opgetattr. GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val = (char *)&fattr_internal; resnfs4.resarray.resarray_val[FSAL_TRUNCATE_IDX_OP_GETATTR].nfs_resop4_u.opgetattr. GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len = sizeof(fattr_internal); resnfs4.resarray.resarray_val[FSAL_TRUNCATE_IDX_OP_SETATTR].nfs_resop4_u.opsetattr. attrsset.bitmap4_val = bitmap_set; resnfs4.resarray.resarray_val[FSAL_TRUNCATE_IDX_OP_SETATTR].nfs_resop4_u.opsetattr. attrsset.bitmap4_len = 2; TakeTokenFSCall(); COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc); if(rc != RPC_SUCCESS) { ReleaseTokenFSCall(); Return(ERR_FSAL_IO, 0, INDEX_FSAL_truncate); } ReleaseTokenFSCall(); if(resnfs4.status != NFS4_OK) return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_truncate); /* >> interpret error code << */ /* >> Optionnaly retrieve post op attributes * If your filesystem truncate call can't return them, * you can proceed like this : << */ if(object_attributes) { if(nfs4_Fattr_To_FSAL_attr(object_attributes, &resnfs4.resarray. resarray_val[FSAL_TRUNCATE_IDX_OP_GETATTR].nfs_resop4_u. opgetattr.GETATTR4res_u.resok4.obj_attributes) != NFS4_OK) { FSAL_CLEAR_MASK(object_attributes->asked_attributes); FSAL_SET_MASK(object_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR); Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_truncate); } } /* Close the previously opened filedescriptor */ fsal_status = FSAL_close_by_fileid(file_descriptor, fileid); if(FSAL_IS_ERROR(fsal_status)) { Return(fsal_status.major, fsal_status.minor, INDEX_FSAL_truncate); } /* No error occured */ Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_truncate); }