void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data)
{
struct mdt_rec_unlink *rec;
CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_unlink));
rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
LASSERT(rec != NULL);
rec->ul_opcode = op_data->op_cli_flags & CLI_RM_ENTRY ?
REINT_RMENTRY : REINT_UNLINK;
rec->ul_fsuid = op_data->op_fsuid;
rec->ul_fsgid = op_data->op_fsgid;
rec->ul_cap = op_data->op_cap;
rec->ul_mode = op_data->op_mode;
rec->ul_suppgid1= op_data->op_suppgids[0];
rec->ul_suppgid2= -1;
rec->ul_fid1 = op_data->op_fid1;
rec->ul_fid2 = op_data->op_fid2;
rec->ul_time = op_data->op_mod_time;
rec->ul_bias = op_data->op_bias;
mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
mdc_pack_name(req, &RMF_NAME, op_data->op_name, op_data->op_namelen);
}
/* packing of MDS records */
void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
umode_t mode, __u64 rdev, __u64 flags, const void *lmm,
size_t lmmlen)
{
struct mdt_rec_create *rec;
char *tmp;
__u64 cr_flags;
CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_create));
rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
/* XXX do something about time, uid, gid */
rec->cr_opcode = REINT_OPEN;
rec->cr_fsuid = from_kuid(&init_user_ns, current_fsuid());
rec->cr_fsgid = from_kgid(&init_user_ns, current_fsgid());
rec->cr_cap = cfs_curproc_cap_pack();
rec->cr_mode = mode;
cr_flags = mds_pack_open_flags(flags);
rec->cr_rdev = rdev;
rec->cr_umask = current_umask();
if (op_data != NULL) {
rec->cr_fid1 = op_data->op_fid1;
rec->cr_fid2 = op_data->op_fid2;
rec->cr_time = op_data->op_mod_time;
rec->cr_suppgid1 = op_data->op_suppgids[0];
rec->cr_suppgid2 = op_data->op_suppgids[1];
rec->cr_bias = op_data->op_bias;
rec->cr_open_handle_old = op_data->op_open_handle;
if (op_data->op_name) {
mdc_pack_name(req, &RMF_NAME, op_data->op_name,
op_data->op_namelen);
if (op_data->op_bias & MDS_CREATE_VOLATILE)
cr_flags |= MDS_OPEN_VOLATILE;
}
mdc_file_secctx_pack(req, op_data->op_file_secctx_name,
op_data->op_file_secctx,
op_data->op_file_secctx_size);
/* pack SELinux policy info if any */
mdc_file_sepol_pack(req);
}
if (lmm) {
cr_flags |= MDS_OPEN_HAS_EA;
tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA);
memcpy(tmp, lmm, lmmlen);
}
set_mrc_cr_flags(rec, cr_flags);
}
/* packing of MDS records */
void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
umode_t mode, __u64 rdev, __u64 flags, const void *lmm,
size_t lmmlen)
{
struct mdt_rec_create *rec;
char *tmp;
__u64 cr_flags;
CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_create));
rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
/* XXX do something about time, uid, gid */
rec->cr_opcode = REINT_OPEN;
rec->cr_fsuid = from_kuid(&init_user_ns, current_fsuid());
rec->cr_fsgid = from_kgid(&init_user_ns, current_fsgid());
rec->cr_cap = cfs_curproc_cap_pack();
rec->cr_mode = mode;
cr_flags = mds_pack_open_flags(flags);
rec->cr_rdev = rdev;
rec->cr_umask = current_umask();
if (op_data != NULL) {
rec->cr_fid1 = op_data->op_fid1;
rec->cr_fid2 = op_data->op_fid2;
rec->cr_time = op_data->op_mod_time;
rec->cr_suppgid1 = op_data->op_suppgids[0];
rec->cr_suppgid2 = op_data->op_suppgids[1];
rec->cr_bias = op_data->op_bias;
rec->cr_old_handle = op_data->op_handle;
mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
/* the next buffer is child capa, which is used for replay,
* will be packed from the data in reply message. */
if (op_data->op_name) {
mdc_pack_name(req, &RMF_NAME, op_data->op_name,
op_data->op_namelen);
if (op_data->op_bias & MDS_CREATE_VOLATILE)
cr_flags |= MDS_OPEN_VOLATILE;
}
}
if (lmm) {
cr_flags |= MDS_OPEN_HAS_EA;
tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA);
memcpy(tmp, lmm, lmmlen);
}
set_mrc_cr_flags(rec, cr_flags);
}
/* packing of MDS records */
void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
const void *data, size_t datalen, umode_t mode,
uid_t uid, gid_t gid, cfs_cap_t cap_effective, __u64 rdev)
{
struct mdt_rec_create *rec;
char *tmp;
__u64 flags;
CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_create));
rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
rec->cr_opcode = REINT_CREATE;
rec->cr_fsuid = uid;
rec->cr_fsgid = gid;
rec->cr_cap = cap_effective;
rec->cr_fid1 = op_data->op_fid1;
rec->cr_fid2 = op_data->op_fid2;
rec->cr_mode = mode;
rec->cr_rdev = rdev;
rec->cr_time = op_data->op_mod_time;
rec->cr_suppgid1 = op_data->op_suppgids[0];
rec->cr_suppgid2 = op_data->op_suppgids[1];
flags = 0;
if (op_data->op_bias & MDS_CREATE_VOLATILE)
flags |= MDS_OPEN_VOLATILE;
set_mrc_cr_flags(rec, flags);
rec->cr_bias = op_data->op_bias;
rec->cr_umask = current_umask();
mdc_pack_name(req, &RMF_NAME, op_data->op_name, op_data->op_namelen);
if (data) {
tmp = req_capsule_client_get(&req->rq_pill, &RMF_EADATA);
memcpy(tmp, data, datalen);
}
mdc_file_secctx_pack(req, op_data->op_file_secctx_name,
op_data->op_file_secctx,
op_data->op_file_secctx_size);
/* pack SELinux policy info if any */
mdc_file_sepol_pack(req);
}
void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data)
{
struct mdt_rec_link *rec;
CLASSERT(sizeof(struct mdt_rec_reint) == sizeof(struct mdt_rec_link));
rec = req_capsule_client_get(&req->rq_pill, &RMF_REC_REINT);
LASSERT (rec != NULL);
rec->lk_opcode = REINT_LINK;
rec->lk_fsuid = op_data->op_fsuid;//current->fsuid;
rec->lk_fsgid = op_data->op_fsgid;//current->fsgid;
rec->lk_cap = op_data->op_cap;//current->cap_effective;
rec->lk_suppgid1 = op_data->op_suppgids[0];
rec->lk_suppgid2 = op_data->op_suppgids[1];
rec->lk_fid1 = op_data->op_fid1;
rec->lk_fid2 = op_data->op_fid2;
rec->lk_time = op_data->op_mod_time;
rec->lk_bias = op_data->op_bias;
mdc_pack_capa(req, &RMF_CAPA1, op_data->op_capa1);
mdc_pack_capa(req, &RMF_CAPA2, op_data->op_capa2);
mdc_pack_name(req, &RMF_NAME, op_data->op_name, op_data->op_namelen);
}
