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);
}