#include <linux/module.h>
#include <llog_swab.h>
-#include <lustre_debug.h>
#include <lustre_swab.h>
#include <obd.h>
#include <obd_support.h>
&RMF_MGS_TARGET_INFO
};
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 13, 53, 0)
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 18, 53, 0)
static const struct req_msg_field *mgs_set_info[] = {
- &RMF_PTLRPC_BODY,
- &RMF_MGS_SEND_PARAM
+ &RMF_PTLRPC_BODY,
+ &RMF_MGS_SEND_PARAM
};
#endif
};
static const struct req_msg_field *quotactl_only[] = {
- &RMF_PTLRPC_BODY,
- &RMF_OBD_QUOTACTL
+ &RMF_PTLRPC_BODY,
+ &RMF_OBD_QUOTACTL
};
static const struct req_msg_field *quota_body_only[] = {
&RMF_DLM_REQ,
&RMF_FILE_SECCTX_NAME,
&RMF_FILE_SECCTX,
- &RMF_SELINUX_POL
+ &RMF_SELINUX_POL,
+ &RMF_FILE_ENCCTX,
};
static const struct req_msg_field *mds_reint_create_sym_client[] = {
&RMF_DLM_REQ,
&RMF_FILE_SECCTX_NAME,
&RMF_FILE_SECCTX,
- &RMF_SELINUX_POL
+ &RMF_SELINUX_POL,
+ &RMF_FILE_ENCCTX,
};
static const struct req_msg_field *mds_reint_open_client[] = {
&RMF_EADATA,
&RMF_FILE_SECCTX_NAME,
&RMF_FILE_SECCTX,
- &RMF_SELINUX_POL
+ &RMF_SELINUX_POL,
+ &RMF_FILE_ENCCTX,
};
static const struct req_msg_field *mds_reint_open_server[] = {
&RMF_SETINFO_VAL
};
+static const struct req_msg_field *mdt_set_info_client[] = {
+ &RMF_PTLRPC_BODY,
+ &RMF_SETINFO_KEY,
+ &RMF_SETINFO_VAL,
+ &RMF_MDT_BODY
+};
+
static const struct req_msg_field *ost_grant_shrink_client[] = {
&RMF_PTLRPC_BODY,
&RMF_SETINFO_KEY,
&RMF_CAPA1,
&RMF_CAPA2,
&RMF_NIOBUF_INLINE,
- &RMF_FILE_SECCTX
+ &RMF_FILE_SECCTX,
+ &RMF_FILE_ENCCTX,
};
static const struct req_msg_field *ldlm_intent_getattr_client[] = {
&RMF_ACL,
&RMF_CAPA1,
&RMF_FILE_SECCTX,
- &RMF_DEFAULT_MDT_MD
+ &RMF_DEFAULT_MDT_MD,
+ &RMF_FILE_ENCCTX,
};
static const struct req_msg_field *ldlm_intent_create_client[] = {
&RMF_EADATA,
&RMF_FILE_SECCTX_NAME,
&RMF_FILE_SECCTX,
- &RMF_SELINUX_POL
+ &RMF_SELINUX_POL,
+ &RMF_FILE_ENCCTX,
};
static const struct req_msg_field *ldlm_intent_open_client[] = {
&RMF_EADATA,
&RMF_FILE_SECCTX_NAME,
&RMF_FILE_SECCTX,
- &RMF_SELINUX_POL
+ &RMF_SELINUX_POL,
+ &RMF_FILE_ENCCTX,
};
static const struct req_msg_field *ldlm_intent_getxattr_client[] = {
&RMF_CAPA2
};
-static const struct req_msg_field *mds_update_client[] = {
- &RMF_PTLRPC_BODY,
- &RMF_OUT_UPDATE_HEADER,
- &RMF_OUT_UPDATE_BUF,
-};
-
-static const struct req_msg_field *mds_update_server[] = {
- &RMF_PTLRPC_BODY,
- &RMF_OUT_UPDATE_REPLY,
-};
-
static const struct req_msg_field *llog_origin_handle_create_client[] = {
- &RMF_PTLRPC_BODY,
- &RMF_LLOGD_BODY,
- &RMF_NAME
+ &RMF_PTLRPC_BODY,
+ &RMF_LLOGD_BODY,
+ &RMF_NAME,
+ &RMF_MDT_BODY
};
static const struct req_msg_field *llogd_body_only[] = {
static struct req_format *req_formats[] = {
&RQF_OBD_PING,
&RQF_OBD_SET_INFO,
+ &RQF_MDT_SET_INFO,
&RQF_OBD_IDX_READ,
&RQF_SEC_CTX,
&RQF_MGS_TARGET_REG,
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 13, 53, 0)
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 18, 53, 0)
&RQF_MGS_SET_INFO,
#endif
&RQF_MGS_CONFIG_READ,
&RQF_MDS_HSM_REQUEST,
&RQF_MDS_SWAP_LAYOUTS,
&RQF_MDS_RMFID,
+#ifdef HAVE_SERVER_SUPPORT
&RQF_OUT_UPDATE,
+#endif
&RQF_OST_CONNECT,
&RQF_OST_DISCONNECT,
&RQF_OST_QUOTACTL,
&RQF_OST_SETATTR,
&RQF_OST_CREATE,
&RQF_OST_PUNCH,
+ &RQF_OST_FALLOCATE,
&RQF_OST_SYNC,
&RQF_OST_DESTROY,
&RQF_OST_BRW_READ,
&RQF_OST_SET_INFO_LAST_FID,
&RQF_OST_GET_INFO_FIEMAP,
&RQF_OST_LADVISE,
+ &RQF_OST_SEEK,
&RQF_LDLM_ENQUEUE,
&RQF_LDLM_ENQUEUE_LVB,
&RQF_LDLM_CONVERT,
};
struct req_msg_field {
- const __u32 rmf_flags;
- const char *rmf_name;
- /**
- * Field length. (-1) means "variable length". If the
- * \a RMF_F_STRUCT_ARRAY flag is set the field is also variable-length,
- * but the actual size must be a whole multiple of \a rmf_size.
- */
- const int rmf_size;
- void (*rmf_swabber)(void *);
- void (*rmf_dumper)(void *);
- int rmf_offset[ARRAY_SIZE(req_formats)][RCL_NR];
+ const __u32 rmf_flags;
+ const char *rmf_name;
+ /**
+ * Field length. (-1) means "variable length". If the
+ * \a RMF_F_STRUCT_ARRAY flag is set the field is also variable-length,
+ * but the actual size must be a whole multiple of \a rmf_size.
+ */
+ const int rmf_size;
+ void (*rmf_swabber)(void *);
+ /**
+ * Pass buffer size to swabbing function
+ * \retval > 0 the number of bytes swabbed
+ * -EOVERFLOW on error
+ */
+ int (*rmf_swab_len)(void *, __u32);
+ void (*rmf_dumper)(void *);
+ int rmf_offset[ARRAY_SIZE(req_formats)][RCL_NR];
};
enum rmf_flags {
- /**
- * The field is a string, must be NUL-terminated.
- */
- RMF_F_STRING = 1 << 0,
- /**
- * The field's buffer size need not match the declared \a rmf_size.
- */
- RMF_F_NO_SIZE_CHECK = 1 << 1,
- /**
- * The field's buffer size must be a whole multiple of the declared \a
- * rmf_size and the \a rmf_swabber function must work on the declared \a
- * rmf_size worth of bytes.
- */
- RMF_F_STRUCT_ARRAY = 1 << 2
+ /**
+ * The field is a string, must be NUL-terminated.
+ */
+ RMF_F_STRING = BIT(0),
+ /**
+ * The field's buffer size need not match the declared \a rmf_size.
+ */
+ RMF_F_NO_SIZE_CHECK = BIT(1),
+ /**
+ * The field's buffer size must be a whole multiple of the declared \a
+ * rmf_size and the \a rmf_swabber function must work on the declared \a
+ * rmf_size worth of bytes.
+ */
+ RMF_F_STRUCT_ARRAY = BIT(2),
};
struct req_capsule;
.rmf_dumper = (void (*)(void*))(dumper) \
}
+#define DEFINE_MSGFL(name, flags, size, swab_len, dumper) { \
+ .rmf_name = (name), \
+ .rmf_flags = (flags), \
+ .rmf_size = (size), \
+ .rmf_swab_len = (int (*)(void *, __u32))(swab_len), \
+ .rmf_dumper = (void (*)(void *))(dumper) \
+}
+
struct req_msg_field RMF_GENERIC_DATA =
DEFINE_MSGF("generic_data", 0,
-1, NULL, NULL);
lustre_swab_mgs_target_info, NULL);
EXPORT_SYMBOL(RMF_MGS_TARGET_INFO);
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 13, 53, 0)
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 18, 53, 0)
struct req_msg_field RMF_MGS_SEND_PARAM =
- DEFINE_MSGF("mgs_send_param", 0,
- sizeof(struct mgs_send_param),
- NULL, NULL);
+ DEFINE_MSGF("mgs_send_param", 0,
+ sizeof(struct mgs_send_param),
+ NULL, NULL);
EXPORT_SYMBOL(RMF_MGS_SEND_PARAM);
#endif
EXPORT_SYMBOL(RMF_MDT_BODY);
struct req_msg_field RMF_OBD_QUOTACTL =
- DEFINE_MSGF("obd_quotactl", 0,
- sizeof(struct obd_quotactl),
- lustre_swab_obd_quotactl, NULL);
+ DEFINE_MSGFL("obd_quotactl",
+ 0,
+ sizeof(struct obd_quotactl),
+ lustre_swab_obd_quotactl, NULL);
EXPORT_SYMBOL(RMF_OBD_QUOTACTL);
struct req_msg_field RMF_QUOTA_BODY =
DEFINE_MSGF("file_secctx", RMF_F_NO_SIZE_CHECK, -1, NULL, NULL);
EXPORT_SYMBOL(RMF_FILE_SECCTX);
+struct req_msg_field RMF_FILE_ENCCTX =
+ DEFINE_MSGF("file_encctx", RMF_F_NO_SIZE_CHECK, -1, NULL, NULL);
+EXPORT_SYMBOL(RMF_FILE_ENCCTX);
+
struct req_msg_field RMF_LLOGD_BODY =
DEFINE_MSGF("llogd_body", 0,
sizeof(struct llogd_body), lustre_swab_llogd_body, NULL);
EXPORT_SYMBOL(RMF_OST_ID);
struct req_msg_field RMF_FIEMAP_KEY =
- DEFINE_MSGF("fiemap", 0, sizeof(struct ll_fiemap_info_key),
- lustre_swab_fiemap, NULL);
+ DEFINE_MSGF("fiemap_key", 0, sizeof(struct ll_fiemap_info_key),
+ lustre_swab_fiemap_info_key, NULL);
EXPORT_SYMBOL(RMF_FIEMAP_KEY);
struct req_msg_field RMF_FIEMAP_VAL =
- DEFINE_MSGF("fiemap", 0, -1, lustre_swab_fiemap, NULL);
+ DEFINE_MSGFL("fiemap", 0, -1, lustre_swab_fiemap, NULL);
EXPORT_SYMBOL(RMF_FIEMAP_VAL);
struct req_msg_field RMF_IDX_INFO =
lustre_swab_hsm_request, NULL);
EXPORT_SYMBOL(RMF_MDS_HSM_REQUEST);
-struct req_msg_field RMF_OUT_UPDATE = DEFINE_MSGF("object_update", 0, -1,
- lustre_swab_object_update_request, NULL);
-EXPORT_SYMBOL(RMF_OUT_UPDATE);
-
-struct req_msg_field RMF_OUT_UPDATE_REPLY =
- DEFINE_MSGF("object_update_reply", 0, -1,
- lustre_swab_object_update_reply, NULL);
-EXPORT_SYMBOL(RMF_OUT_UPDATE_REPLY);
-
struct req_msg_field RMF_SWAP_LAYOUTS =
DEFINE_MSGF("swap_layouts", 0, sizeof(struct mdc_swap_layouts),
lustre_swab_swap_layouts, NULL);
lustre_swab_ladvise, NULL);
EXPORT_SYMBOL(RMF_OST_LADVISE);
-struct req_msg_field RMF_OUT_UPDATE_HEADER = DEFINE_MSGF("out_update_header", 0,
- -1, lustre_swab_out_update_header, NULL);
-EXPORT_SYMBOL(RMF_OUT_UPDATE_HEADER);
-
-struct req_msg_field RMF_OUT_UPDATE_BUF = DEFINE_MSGF("update_buf",
- RMF_F_STRUCT_ARRAY, sizeof(struct out_update_buffer),
- lustre_swab_out_update_buffer, NULL);
-EXPORT_SYMBOL(RMF_OUT_UPDATE_BUF);
-
/*
* Request formats.
*/
DEFINE_REQ_FMT0("OBD_SET_INFO", obd_set_info_client, empty);
EXPORT_SYMBOL(RQF_OBD_SET_INFO);
+struct req_format RQF_MDT_SET_INFO =
+ DEFINE_REQ_FMT0("MDT_SET_INFO", mdt_set_info_client, empty);
+EXPORT_SYMBOL(RQF_MDT_SET_INFO);
+
/* Read index file through the network */
struct req_format RQF_OBD_IDX_READ =
DEFINE_REQ_FMT0("OBD_IDX_READ",
mgs_target_info_only);
EXPORT_SYMBOL(RQF_MGS_TARGET_REG);
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 13, 53, 0)
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 18, 53, 0)
struct req_format RQF_MGS_SET_INFO =
- DEFINE_REQ_FMT0("MGS_SET_INFO", mgs_set_info,
- mgs_set_info);
+ DEFINE_REQ_FMT0("MGS_SET_INFO", mgs_set_info,
+ mgs_set_info);
EXPORT_SYMBOL(RQF_MGS_SET_INFO);
#endif
mds_getinfo_server);
EXPORT_SYMBOL(RQF_MDS_GET_INFO);
-struct req_format RQF_OUT_UPDATE =
- DEFINE_REQ_FMT0("OUT_UPDATE", mds_update_client,
- mds_update_server);
-EXPORT_SYMBOL(RQF_OUT_UPDATE);
-
struct req_format RQF_LDLM_ENQUEUE =
DEFINE_REQ_FMT0("LDLM_ENQUEUE",
ldlm_enqueue_client, ldlm_enqueue_lvb_server);
DEFINE_REQ_FMT0("OST_PUNCH", ost_body_capa, ost_body_only);
EXPORT_SYMBOL(RQF_OST_PUNCH);
+struct req_format RQF_OST_FALLOCATE =
+ DEFINE_REQ_FMT0("OST_FALLOCATE", ost_body_capa, ost_body_only);
+EXPORT_SYMBOL(RQF_OST_FALLOCATE);
+
+struct req_format RQF_OST_SEEK =
+ DEFINE_REQ_FMT0("OST_SEEK", ost_body_only, ost_body_only);
+EXPORT_SYMBOL(RQF_OST_SEEK);
+
struct req_format RQF_OST_SYNC =
DEFINE_REQ_FMT0("OST_SYNC", ost_body_capa, ost_body_only);
EXPORT_SYMBOL(RQF_OST_SYNC);
* Helper for __req_capsule_get(); swabs value / array of values and/or dumps
* them if desired.
*/
-static
-void
+static int
swabber_dumper_helper(struct req_capsule *pill,
- const struct req_msg_field *field,
- enum req_location loc,
- int offset,
- void *value, int len, int dump, void (*swabber)( void *))
+ const struct req_msg_field *field,
+ enum req_location loc,
+ int offset,
+ void *value, int len, bool dump, void (*swabber)(void *))
{
- void *p;
- int i;
- int n;
- int do_swab;
- int inout = loc == RCL_CLIENT;
+ void *p;
+ int i;
+ int n;
+ int size;
+ int rc = 0;
+ bool do_swab;
+ bool inout = loc == RCL_CLIENT;
+ bool array = field->rmf_flags & RMF_F_STRUCT_ARRAY;
- swabber = swabber ?: field->rmf_swabber;
+ swabber = swabber ?: field->rmf_swabber;
- if (ptlrpc_buf_need_swab(pill->rc_req, inout, offset) &&
- swabber != NULL && value != NULL)
- do_swab = 1;
- else
- do_swab = 0;
+ if (ptlrpc_buf_need_swab(pill->rc_req, inout, offset) &&
+ (swabber != NULL || field->rmf_swab_len != NULL) && value != NULL)
+ do_swab = true;
+ else
+ do_swab = false;
if (!field->rmf_dumper)
- dump = 0;
-
- if (!(field->rmf_flags & RMF_F_STRUCT_ARRAY)) {
- if (dump) {
- CDEBUG(D_RPCTRACE, "Dump of %sfield %s follows\n",
- do_swab ? "unswabbed " : "", field->rmf_name);
- field->rmf_dumper(value);
- }
- if (!do_swab)
- return;
- swabber(value);
- ptlrpc_buf_set_swabbed(pill->rc_req, inout, offset);
+ dump = false;
+
+ /*
+ * We're swabbing an array; swabber() swabs a single array element, so
+ * swab every element.
+ */
+ if (array && (len % field->rmf_size)) {
+ static const struct req_msg_field *last_field;
+
+ if (field != last_field) {
+ CERROR("%s: array buffer size %u is not a multiple of element size %u\n",
+ field->rmf_name, len, field->rmf_size);
+ last_field = field;
+ }
+ }
+ /* For the non-array cases, the process of swab/dump/swab only
+ * needs to be done once. (n = 1)
+ */
+ if (!array)
+ len = field->rmf_size;
+ for (p = value, i = 0, n = len / field->rmf_size;
+ i < n;
+ i++, p += field->rmf_size) {
if (dump) {
- CDEBUG(D_RPCTRACE, "Dump of swabbed field %s "
- "follows\n", field->rmf_name);
- field->rmf_dumper(value);
- }
-
- return;
- }
-
- /*
- * We're swabbing an array; swabber() swabs a single array element, so
- * swab every element.
- */
- LASSERT((len % field->rmf_size) == 0);
- for (p = value, i = 0, n = len / field->rmf_size;
- i < n;
- i++, p += field->rmf_size) {
- if (dump) {
- CDEBUG(D_RPCTRACE, "Dump of %sarray field %s, "
- "element %d follows\n",
- do_swab ? "unswabbed " : "", field->rmf_name, i);
- field->rmf_dumper(p);
- }
- if (!do_swab)
- continue;
- swabber(p);
- if (dump) {
- CDEBUG(D_RPCTRACE, "Dump of swabbed array field %s, "
- "element %d follows\n", field->rmf_name, i);
- field->rmf_dumper(value);
- }
+ CDEBUG(D_RPCTRACE, "Dump of %s%sfield %s element %d follows\n",
+ do_swab ? "unswabbed " : "",
+ array ? "array " : "",
+ field->rmf_name, i);
+ field->rmf_dumper(p);
+ }
+ if (!do_swab) {
+ if (array)
+ continue;
+ else
+ break;
+ }
+ if (!field->rmf_swab_len) {
+ swabber(p);
+ } else {
+ size = field->rmf_swab_len(p, len);
+ if (size > 0) {
+ len -= size;
+ } else {
+ rc = size;
+ break;
+ }
+ }
+ if (dump) {
+ CDEBUG(D_RPCTRACE, "Dump of swabbed %sfield %s, element %d follows\n",
+ array ? "array " : "", field->rmf_name, i);
+ field->rmf_dumper(value);
+ }
}
if (do_swab)
ptlrpc_buf_set_swabbed(pill->rc_req, inout, offset);
+
+ return rc;
}
/**
* element of the array swabbed.
*/
static void *__req_capsule_get(struct req_capsule *pill,
- const struct req_msg_field *field,
- enum req_location loc,
- void (*swabber)( void *),
- int dump)
+ const struct req_msg_field *field,
+ enum req_location loc,
+ void (*swabber)(void *),
+ bool dump)
{
- const struct req_format *fmt;
- struct lustre_msg *msg;
- void *value;
+ const struct req_format *fmt;
+ struct lustre_msg *msg;
+ void *value;
__u32 len;
__u32 offset;
* have a specific dumper
*/
len = req_capsule_get_size(pill, field, loc);
- CDEBUG(D_RPCTRACE, "Field %s has no dumper function;"
- "field size is %u\n", field->rmf_name, len);
+ CDEBUG(D_RPCTRACE,
+ "Field %s has no dumper function; field size is %u\n",
+ field->rmf_name, len);
} else {
/* It's dumping side-effect that we're interested in */
- (void) __req_capsule_get(pill, field, loc, NULL, 1);
+ (void) __req_capsule_get(pill, field, loc, NULL, true);
}
}
CDEBUG(D_RPCTRACE, "END REQ CAPSULE DUMP\n");
* buffer corresponding to the given RMF (\a field) of a \a pill.
*/
void *req_capsule_client_get(struct req_capsule *pill,
- const struct req_msg_field *field)
+ const struct req_msg_field *field)
{
- return __req_capsule_get(pill, field, RCL_CLIENT, NULL, 0);
+ return __req_capsule_get(pill, field, RCL_CLIENT, NULL, false);
}
EXPORT_SYMBOL(req_capsule_client_get);
const struct req_msg_field *field,
void *swabber)
{
- return __req_capsule_get(pill, field, RCL_CLIENT, swabber, 0);
+ return __req_capsule_get(pill, field, RCL_CLIENT, swabber, false);
}
EXPORT_SYMBOL(req_capsule_client_swab_get);
const struct req_msg_field *field,
__u32 len)
{
- req_capsule_set_size(pill, field, RCL_CLIENT, len);
- return __req_capsule_get(pill, field, RCL_CLIENT, NULL, 0);
+ req_capsule_set_size(pill, field, RCL_CLIENT, len);
+ return __req_capsule_get(pill, field, RCL_CLIENT, NULL, false);
}
EXPORT_SYMBOL(req_capsule_client_sized_get);
void *req_capsule_server_get(struct req_capsule *pill,
const struct req_msg_field *field)
{
- return __req_capsule_get(pill, field, RCL_SERVER, NULL, 0);
+ return __req_capsule_get(pill, field, RCL_SERVER, NULL, false);
}
EXPORT_SYMBOL(req_capsule_server_get);
* swabbing done outside this capsule abstraction.
*/
void *req_capsule_server_swab_get(struct req_capsule *pill,
- const struct req_msg_field *field,
- void *swabber)
+ const struct req_msg_field *field,
+ void *swabber)
{
- return __req_capsule_get(pill, field, RCL_SERVER, swabber, 0);
+ return __req_capsule_get(pill, field, RCL_SERVER, swabber, false);
}
EXPORT_SYMBOL(req_capsule_server_swab_get);
const struct req_msg_field *field,
__u32 len)
{
- req_capsule_set_size(pill, field, RCL_SERVER, len);
- return __req_capsule_get(pill, field, RCL_SERVER, NULL, 0);
+ req_capsule_set_size(pill, field, RCL_SERVER, len);
+ return __req_capsule_get(pill, field, RCL_SERVER, NULL, false);
}
EXPORT_SYMBOL(req_capsule_server_sized_get);
__u32 len, void *swabber)
{
req_capsule_set_size(pill, field, RCL_SERVER, len);
- return __req_capsule_get(pill, field, RCL_SERVER, swabber, 0);
+ return __req_capsule_get(pill, field, RCL_SERVER, swabber, false);
}
EXPORT_SYMBOL(req_capsule_server_sized_swab_get);
* client and server alike.
*/
const void *req_capsule_other_get(struct req_capsule *pill,
- const struct req_msg_field *field)
+ const struct req_msg_field *field)
{
- return __req_capsule_get(pill, field, pill->rc_loc ^ 1, NULL, 0);
+ return __req_capsule_get(pill, field, pill->rc_loc ^ 1, NULL, false);
}
EXPORT_SYMBOL(req_capsule_other_get);
offset = __req_capsule_offset(pill, field, loc);
- msg = __req_msg(pill, loc);
- len = lustre_msg_buflen(msg, offset);
+ msg = __req_msg(pill, loc);
+ len = lustre_msg_buflen(msg, offset);
LASSERTF(newlen <= len, "%s:%s, oldlen=%u, newlen=%u\n",
- fmt->rf_name, field->rmf_name, len, newlen);
-
- if (loc == RCL_CLIENT)
- pill->rc_req->rq_reqlen = lustre_shrink_msg(msg, offset, newlen,
- 1);
- else
- pill->rc_req->rq_replen = lustre_shrink_msg(msg, offset, newlen,
- 1);
+ fmt->rf_name, field->rmf_name, len, newlen);
+
+ if (loc == RCL_CLIENT) {
+ pill->rc_req->rq_reqlen = lustre_shrink_msg(msg, offset, newlen,
+ 1);
+ } else {
+ pill->rc_req->rq_replen = lustre_shrink_msg(msg, offset, newlen,
+ 1);
+ /* update also field size in reply lenghts arrays for possible
+ * reply re-pack due to req_capsule_server_grow() call.
+ */
+ req_capsule_set_size(pill, field, loc, newlen);
+ }
}
EXPORT_SYMBOL(req_capsule_shrink);
const struct req_msg_field *field,
__u32 newlen)
{
- struct ptlrpc_reply_state *rs = pill->rc_req->rq_reply_state, *nrs;
- char *from, *to;
+ struct ptlrpc_reply_state *rs = pill->rc_req->rq_reply_state, *nrs;
+ char *from, *to;
int rc;
__u32 offset, len;
- LASSERT(pill->rc_fmt != NULL);
- LASSERT(__req_format_is_sane(pill->rc_fmt));
- LASSERT(req_capsule_has_field(pill, field, RCL_SERVER));
- LASSERT(req_capsule_field_present(pill, field, RCL_SERVER));
-
- len = req_capsule_get_size(pill, field, RCL_SERVER);
- offset = __req_capsule_offset(pill, field, RCL_SERVER);
- if ((__u32)pill->rc_req->rq_repbuf_len >=
- lustre_packed_msg_size(pill->rc_req->rq_repmsg) - len + newlen)
- CERROR("Inplace repack might be done\n");
-
- pill->rc_req->rq_reply_state = NULL;
- req_capsule_set_size(pill, field, RCL_SERVER, newlen);
- rc = req_capsule_server_pack(pill);
- if (rc) {
- /* put old rs back, the caller will decide what to do */
- pill->rc_req->rq_reply_state = rs;
- return rc;
- }
- nrs = pill->rc_req->rq_reply_state;
- /* Now we need only buffers, copy first chunk */
- to = lustre_msg_buf(nrs->rs_msg, 0, 0);
- from = lustre_msg_buf(rs->rs_msg, 0, 0);
- len = (char *)lustre_msg_buf(rs->rs_msg, offset, 0) - from;
- memcpy(to, from, len);
- /* check if we have tail and copy it too */
- if (rs->rs_msg->lm_bufcount > offset + 1) {
- to = lustre_msg_buf(nrs->rs_msg, offset + 1, 0);
- from = lustre_msg_buf(rs->rs_msg, offset + 1, 0);
- offset = rs->rs_msg->lm_bufcount - 1;
- len = (char *)lustre_msg_buf(rs->rs_msg, offset, 0) +
- cfs_size_round(rs->rs_msg->lm_buflens[offset]) - from;
- memcpy(to, from, len);
- }
- /* drop old reply if everything is fine */
+ LASSERT(pill->rc_fmt != NULL);
+ LASSERT(__req_format_is_sane(pill->rc_fmt));
+ LASSERT(req_capsule_has_field(pill, field, RCL_SERVER));
+ LASSERT(req_capsule_field_present(pill, field, RCL_SERVER));
+
+ len = req_capsule_get_size(pill, field, RCL_SERVER);
+ offset = __req_capsule_offset(pill, field, RCL_SERVER);
+
+ CDEBUG(D_INFO, "Reply packed: %d, allocated: %d, field len %d -> %d\n",
+ lustre_packed_msg_size(rs->rs_msg), rs->rs_repbuf_len,
+ len, newlen);
+
+ req_capsule_set_size(pill, field, RCL_SERVER, newlen);
+ /**
+ * There can be enough space in current reply buffer, make sure
+ * that rs_repbuf is not a wrapper but real reply msg, otherwise
+ * re-packing is still needed.
+ */
+ if (rs->rs_msg == rs->rs_repbuf &&
+ rs->rs_repbuf_len >=
+ lustre_packed_msg_size(rs->rs_msg) - len + newlen) {
+ pill->rc_req->rq_replen = lustre_grow_msg(rs->rs_msg, offset,
+ newlen);
+ return 0;
+ }
+
+ /* Re-allocate replay state */
+ pill->rc_req->rq_reply_state = NULL;
+ rc = req_capsule_server_pack(pill);
+ if (rc) {
+ /* put old values back, the caller should decide what to do */
+ req_capsule_set_size(pill, field, RCL_SERVER, len);
+ pill->rc_req->rq_reply_state = rs;
+ return rc;
+ }
+ nrs = pill->rc_req->rq_reply_state;
+ LASSERT(lustre_packed_msg_size(nrs->rs_msg) >
+ lustre_packed_msg_size(rs->rs_msg));
+
+ /* Now we need only buffers, copy them and grow the needed one */
+ to = lustre_msg_buf(nrs->rs_msg, 0, 0);
+ from = lustre_msg_buf(rs->rs_msg, 0, 0);
+ memcpy(to, from,
+ (char *)rs->rs_msg + lustre_packed_msg_size(rs->rs_msg) - from);
+ lustre_msg_set_buflen(nrs->rs_msg, offset, len);
+ pill->rc_req->rq_replen = lustre_grow_msg(nrs->rs_msg, offset, newlen);
+
if (rs->rs_difficult) {
/* copy rs data */
int i;
}
EXPORT_SYMBOL(req_capsule_server_grow);
+#ifdef HAVE_SERVER_SUPPORT
+static const struct req_msg_field *mds_update_client[] = {
+ &RMF_PTLRPC_BODY,
+ &RMF_OUT_UPDATE_HEADER,
+ &RMF_OUT_UPDATE_BUF,
+};
+
+static const struct req_msg_field *mds_update_server[] = {
+ &RMF_PTLRPC_BODY,
+ &RMF_OUT_UPDATE_REPLY,
+};
+
+struct req_msg_field RMF_OUT_UPDATE = DEFINE_MSGFL("object_update", 0, -1,
+ lustre_swab_object_update_request, NULL);
+EXPORT_SYMBOL(RMF_OUT_UPDATE);
+
+struct req_msg_field RMF_OUT_UPDATE_REPLY =
+ DEFINE_MSGFL("object_update_reply", 0, -1,
+ lustre_swab_object_update_reply, NULL);
+EXPORT_SYMBOL(RMF_OUT_UPDATE_REPLY);
+
+struct req_msg_field RMF_OUT_UPDATE_HEADER = DEFINE_MSGF("out_update_header", 0,
+ -1, lustre_swab_out_update_header, NULL);
+EXPORT_SYMBOL(RMF_OUT_UPDATE_HEADER);
+
+struct req_msg_field RMF_OUT_UPDATE_BUF = DEFINE_MSGF("update_buf",
+ RMF_F_STRUCT_ARRAY, sizeof(struct out_update_buffer),
+ lustre_swab_out_update_buffer, NULL);
+EXPORT_SYMBOL(RMF_OUT_UPDATE_BUF);
+
+struct req_format RQF_OUT_UPDATE =
+ DEFINE_REQ_FMT0("OUT_UPDATE", mds_update_client,
+ mds_update_server);
+EXPORT_SYMBOL(RQF_OUT_UPDATE);
+
int req_check_sepol(struct req_capsule *pill)
{
int rc = 0;
-#ifdef HAVE_SERVER_SUPPORT
struct obd_export *export;
struct lu_nodemap *nm = NULL;
const char *sepol = NULL;
if (!IS_ERR_OR_NULL(nm))
nodemap_putref(nm);
-#endif
return rc;
}
EXPORT_SYMBOL(req_check_sepol);
+#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff