* Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <linux/miscdevice.h>
#include <linux/init.h>
#include <linux/utsname.h>
+#include <linux/kthread.h>
+#include <linux/user_namespace.h>
+#ifdef HAVE_UIDGID_HEADER
+# include <linux/uidgid.h>
+#endif
#include <lustre_acl.h>
#include <lustre_ioctl.h>
#include <lprocfs_status.h>
#include <lustre_param.h>
#include <lustre_log.h>
+#include <lustre_kernelcomm.h>
#include <cl_object.h>
#include "mdc_internal.h"
#define REQUEST_MINOR 244
-struct mdc_renew_capa_args {
- struct obd_capa *ra_oc;
- renew_capa_cb_t ra_cb;
-};
-
static int mdc_cleanup(struct obd_device *obd);
-int mdc_unpack_capa(struct obd_export *exp, struct ptlrpc_request *req,
- const struct req_msg_field *field, struct obd_capa **oc)
-{
- struct lustre_capa *capa;
- struct obd_capa *c;
- ENTRY;
-
- /* swabbed already in mdc_enqueue */
- capa = req_capsule_server_get(&req->rq_pill, field);
- if (capa == NULL)
- RETURN(-EPROTO);
-
- c = alloc_capa(CAPA_SITE_CLIENT);
- if (IS_ERR(c)) {
- CDEBUG(D_INFO, "alloc capa failed!\n");
- RETURN(PTR_ERR(c));
- } else {
- c->c_capa = *capa;
- *oc = c;
- RETURN(0);
- }
-}
-
static inline int mdc_queue_wait(struct ptlrpc_request *req)
{
struct client_obd *cli = &req->rq_import->imp_obd->u.cli;
return rc;
}
-/* Helper that implements most of mdc_getstatus and signal_completed_replay. */
-/* XXX this should become mdc_get_info("key"), sending MDS_GET_INFO RPC */
-static int send_getstatus(struct obd_import *imp, struct lu_fid *rootfid,
- struct obd_capa **pc, int level, int msg_flags)
+static int mdc_getstatus(struct obd_export *exp, struct lu_fid *rootfid)
{
- struct ptlrpc_request *req;
- struct mdt_body *body;
- int rc;
- ENTRY;
+ struct ptlrpc_request *req;
+ struct mdt_body *body;
+ int rc;
- req = ptlrpc_request_alloc_pack(imp, &RQF_MDS_GETSTATUS,
- LUSTRE_MDS_VERSION, MDS_GETSTATUS);
- if (req == NULL)
- RETURN(-ENOMEM);
+ ENTRY;
- mdc_pack_body(req, NULL, NULL, 0, 0, -1, 0);
- lustre_msg_add_flags(req->rq_reqmsg, msg_flags);
- req->rq_send_state = level;
+ req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp),
+ &RQF_MDS_GETSTATUS,
+ LUSTRE_MDS_VERSION, MDS_GETSTATUS);
+ if (req == NULL)
+ RETURN(-ENOMEM);
- ptlrpc_request_set_replen(req);
+ mdc_pack_body(req, NULL, 0, 0, -1, 0);
+ req->rq_send_state = LUSTRE_IMP_FULL;
- rc = ptlrpc_queue_wait(req);
- if (rc)
- GOTO(out, rc);
+ ptlrpc_request_set_replen(req);
- body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
- if (body == NULL)
- GOTO(out, rc = -EPROTO);
+ rc = ptlrpc_queue_wait(req);
+ if (rc)
+ GOTO(out, rc);
- if (body->mbo_valid & OBD_MD_FLMDSCAPA) {
- rc = mdc_unpack_capa(NULL, req, &RMF_CAPA1, pc);
- if (rc)
- GOTO(out, rc);
- }
+ body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ GOTO(out, rc = -EPROTO);
*rootfid = body->mbo_fid1;
CDEBUG(D_NET, "root fid="DFID", last_committed="LPU64"\n",
PFID(rootfid), lustre_msg_get_last_committed(req->rq_repmsg));
- EXIT;
+ EXIT;
out:
- ptlrpc_req_finished(req);
- return rc;
-}
+ ptlrpc_req_finished(req);
-/* This should be mdc_get_info("rootfid") */
-int mdc_getstatus(struct obd_export *exp, struct lu_fid *rootfid,
- struct obd_capa **pc)
-{
- return send_getstatus(class_exp2cliimp(exp), rootfid, pc,
- LUSTRE_IMP_FULL, 0);
+ return rc;
}
/*
RETURN(-EPROTO);
}
- if (body->mbo_valid & OBD_MD_FLMDSCAPA) {
- struct lustre_capa *capa;
- capa = req_capsule_server_get(pill, &RMF_CAPA1);
- if (capa == NULL)
- RETURN(-EPROTO);
- }
-
RETURN(0);
}
-int mdc_getattr(struct obd_export *exp, struct md_op_data *op_data,
- struct ptlrpc_request **request)
+static int mdc_getattr(struct obd_export *exp, struct md_op_data *op_data,
+ struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
int rc;
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GETATTR);
if (rc) {
ptlrpc_request_free(req);
RETURN(rc);
}
- mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
- op_data->op_valid, op_data->op_mode, -1, 0);
+ mdc_pack_body(req, &op_data->op_fid1, op_data->op_valid,
+ op_data->op_mode, -1, 0);
req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER,
op_data->op_mode);
RETURN(rc);
}
-int mdc_getattr_name(struct obd_export *exp, struct md_op_data *op_data,
- struct ptlrpc_request **request)
+static int mdc_getattr_name(struct obd_export *exp, struct md_op_data *op_data,
+ struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
int rc;
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
op_data->op_namelen + 1);
RETURN(rc);
}
- mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
- op_data->op_valid, op_data->op_mode,
- op_data->op_suppgids[0], 0);
+ mdc_pack_body(req, &op_data->op_fid1, op_data->op_valid,
+ op_data->op_mode, op_data->op_suppgids[0], 0);
if (op_data->op_name) {
char *name = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
}
static int mdc_xattr_common(struct obd_export *exp,const struct req_format *fmt,
- const struct lu_fid *fid,
- struct obd_capa *oc, int opcode, obd_valid valid,
- const char *xattr_name, const char *input,
- int input_size, int output_size, int flags,
- __u32 suppgid, struct ptlrpc_request **request)
+ const struct lu_fid *fid, int opcode, u64 valid,
+ const char *xattr_name, const char *input,
+ int input_size, int output_size, int flags,
+ __u32 suppgid, struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
int xattr_namelen = 0;
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, oc);
if (xattr_name) {
xattr_namelen = strlen(xattr_name) + 1;
req_capsule_set_size(&req->rq_pill, &RMF_NAME, RCL_CLIENT,
rec->sx_time = cfs_time_current_sec();
rec->sx_size = output_size;
rec->sx_flags = flags;
-
- mdc_pack_capa(req, &RMF_CAPA1, oc);
- } else {
- mdc_pack_body(req, fid, oc, valid, output_size, suppgid, flags);
- }
+ } else {
+ mdc_pack_body(req, fid, valid, output_size, suppgid, flags);
+ }
if (xattr_name) {
tmp = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
/* make rpc */
if (opcode == MDS_REINT)
- mdc_get_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
+ mdc_get_mod_rpc_slot(req, NULL);
rc = ptlrpc_queue_wait(req);
if (opcode == MDS_REINT)
- mdc_put_rpc_lock(exp->exp_obd->u.cli.cl_rpc_lock, NULL);
+ mdc_put_mod_rpc_slot(req, NULL);
if (rc)
ptlrpc_req_finished(req);
RETURN(rc);
}
-int mdc_setxattr(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, obd_valid valid, const char *xattr_name,
- const char *input, int input_size, int output_size,
- int flags, __u32 suppgid, struct ptlrpc_request **request)
+static int mdc_setxattr(struct obd_export *exp, const struct lu_fid *fid,
+ u64 valid, const char *xattr_name,
+ const char *input, int input_size, int output_size,
+ int flags, __u32 suppgid,
+ struct ptlrpc_request **request)
{
- return mdc_xattr_common(exp, &RQF_MDS_REINT_SETXATTR,
- fid, oc, MDS_REINT, valid, xattr_name,
- input, input_size, output_size, flags,
- suppgid, request);
+ return mdc_xattr_common(exp, &RQF_MDS_REINT_SETXATTR,
+ fid, MDS_REINT, valid, xattr_name,
+ input, input_size, output_size, flags,
+ suppgid, request);
}
-int mdc_getxattr(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, obd_valid valid, const char *xattr_name,
- const char *input, int input_size, int output_size,
- int flags, struct ptlrpc_request **request)
+static int mdc_getxattr(struct obd_export *exp, const struct lu_fid *fid,
+ u64 valid, const char *xattr_name,
+ const char *input, int input_size, int output_size,
+ int flags, struct ptlrpc_request **request)
{
- return mdc_xattr_common(exp, &RQF_MDS_GETXATTR,
- fid, oc, MDS_GETXATTR, valid, xattr_name,
- input, input_size, output_size, flags,
- -1, request);
+ return mdc_xattr_common(exp, &RQF_MDS_GETXATTR,
+ fid, MDS_GETXATTR, valid, xattr_name,
+ input, input_size, output_size, flags,
+ -1, request);
}
#ifdef CONFIG_FS_POSIX_ACL
LASSERT(md->body != NULL);
if (md->body->mbo_valid & OBD_MD_FLEASIZE) {
- int lmmsize;
- struct lov_mds_md *lmm;
-
if (!S_ISREG(md->body->mbo_mode)) {
CDEBUG(D_INFO, "OBD_MD_FLEASIZE set, should be a "
"regular file, but is not\n");
GOTO(out, rc = -EPROTO);
}
- lmmsize = md->body->mbo_eadatasize;
- lmm = req_capsule_server_sized_get(pill, &RMF_MDT_MD, lmmsize);
- if (!lmm)
- GOTO(out, rc = -EPROTO);
-
- rc = obd_unpackmd(dt_exp, &md->lsm, lmm, lmmsize);
- if (rc < 0)
- GOTO(out, rc);
-
- if (rc < (typeof(rc))sizeof(*md->lsm)) {
- CDEBUG(D_INFO, "lsm size too small: "
- "rc < sizeof (*md->lsm) (%d < %d)\n",
- rc, (int)sizeof(*md->lsm));
- GOTO(out, rc = -EPROTO);
- }
-
+ md->layout.lb_len = md->body->mbo_eadatasize;
+ md->layout.lb_buf = req_capsule_server_sized_get(pill,
+ &RMF_MDT_MD,
+ md->layout.lb_len);
+ if (md->layout.lb_buf == NULL)
+ GOTO(out, rc = -EPROTO);
} else if (md->body->mbo_valid & OBD_MD_FLDIREA) {
- int lmvsize;
- struct lov_mds_md *lmv;
+ const union lmv_mds_md *lmv;
+ size_t lmv_size;
if (!S_ISDIR(md->body->mbo_mode)) {
CDEBUG(D_INFO, "OBD_MD_FLDIREA set, should be a "
GOTO(out, rc = -EPROTO);
}
- if (md->body->mbo_eadatasize == 0) {
+ lmv_size = md->body->mbo_eadatasize;
+ if (lmv_size == 0) {
CDEBUG(D_INFO, "OBD_MD_FLDIREA is set, "
"but eadatasize 0\n");
RETURN(-EPROTO);
}
if (md->body->mbo_valid & OBD_MD_MEA) {
- lmvsize = md->body->mbo_eadatasize;
lmv = req_capsule_server_sized_get(pill, &RMF_MDT_MD,
- lmvsize);
- if (!lmv)
+ lmv_size);
+ if (lmv == NULL)
GOTO(out, rc = -EPROTO);
- rc = obd_unpackmd(md_exp, (void *)&md->lmv, lmv,
- lmvsize);
+ rc = md_unpackmd(md_exp, &md->lmv, lmv, lmv_size);
if (rc < 0)
GOTO(out, rc);
#endif
}
}
- if (md->body->mbo_valid & OBD_MD_FLMDSCAPA) {
- struct obd_capa *oc = NULL;
-
- rc = mdc_unpack_capa(NULL, req, &RMF_CAPA1, &oc);
- if (rc)
- GOTO(out, rc);
- md->mds_capa = oc;
- }
-
- if (md->body->mbo_valid & OBD_MD_FLOSSCAPA) {
- struct obd_capa *oc = NULL;
-
- rc = mdc_unpack_capa(NULL, req, &RMF_CAPA2, &oc);
- if (rc)
- GOTO(out, rc);
- md->oss_capa = oc;
- }
EXIT;
out:
if (rc) {
- if (md->oss_capa) {
- capa_put(md->oss_capa);
- md->oss_capa = NULL;
- }
- if (md->mds_capa) {
- capa_put(md->mds_capa);
- md->mds_capa = NULL;
- }
#ifdef CONFIG_FS_POSIX_ACL
posix_acl_release(md->posix_acl);
#endif
- if (md->lsm)
- obd_free_memmd(dt_exp, &md->lsm);
}
return rc;
}
RETURN(0);
}
-/**
- * Handles both OPEN and SETATTR RPCs for OPEN-CLOSE and SETATTR-DONE_WRITING
- * RPC chains.
- */
void mdc_replay_open(struct ptlrpc_request *req)
{
struct md_open_data *mod = req->rq_cb_data;
__u32 opc = lustre_msg_get_opc(close_req->rq_reqmsg);
struct mdt_ioepoch *epoch;
- LASSERT(opc == MDS_CLOSE || opc == MDS_DONE_WRITING);
- epoch = req_capsule_client_get(&close_req->rq_pill,
- &RMF_MDT_EPOCH);
- LASSERT(epoch);
+ LASSERT(opc == MDS_CLOSE);
+ epoch = req_capsule_client_get(&close_req->rq_pill,
+ &RMF_MDT_EPOCH);
+ LASSERT(epoch);
- if (och != NULL)
- LASSERT(!memcmp(&old, &epoch->handle, sizeof(old)));
- DEBUG_REQ(D_HA, close_req, "updating close body with new fh");
- epoch->handle = body->mbo_handle;
- }
- EXIT;
+ if (och != NULL)
+ LASSERT(!memcmp(&old, &epoch->mio_handle, sizeof(old)));
+
+ DEBUG_REQ(D_HA, close_req, "updating close body with new fh");
+ epoch->mio_handle = body->mbo_handle;
+ }
+ EXIT;
}
void mdc_commit_open(struct ptlrpc_request *req)
RETURN(0);
}
-/* Prepares the request for the replay by the given reply */
-static void mdc_close_handle_reply(struct ptlrpc_request *req,
- struct md_op_data *op_data, int rc) {
- struct mdt_body *repbody;
- struct mdt_ioepoch *epoch;
-
- if (req && rc == -EAGAIN) {
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
- epoch = req_capsule_client_get(&req->rq_pill, &RMF_MDT_EPOCH);
-
- epoch->flags |= MF_SOM_AU;
- if (repbody->mbo_valid & OBD_MD_FLGETATTRLOCK)
- op_data->op_flags |= MF_GETATTR_LOCK;
- }
-}
-
-int mdc_close(struct obd_export *exp, struct md_op_data *op_data,
- struct md_open_data *mod, struct ptlrpc_request **request)
+static int mdc_close(struct obd_export *exp, struct md_op_data *op_data,
+ struct md_open_data *mod, struct ptlrpc_request **request)
{
struct obd_device *obd = class_exp2obd(exp);
struct ptlrpc_request *req;
int saved_rc = 0;
ENTRY;
- req_fmt = &RQF_MDS_CLOSE;
if (op_data->op_bias & MDS_HSM_RELEASE) {
- req_fmt = &RQF_MDS_RELEASE_CLOSE;
+ req_fmt = &RQF_MDS_INTENT_CLOSE;
/* allocate a FID for volatile file */
rc = mdc_fid_alloc(NULL, exp, &op_data->op_fid2, op_data);
/* save the errcode and proceed to close */
saved_rc = rc;
}
+ } else if (op_data->op_bias & MDS_CLOSE_LAYOUT_SWAP) {
+ req_fmt = &RQF_MDS_INTENT_CLOSE;
+ } else {
+ req_fmt = &RQF_MDS_CLOSE;
}
*request = NULL;
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_CLOSE);
if (rc) {
ptlrpc_request_free(req);
req_capsule_set_size(&req->rq_pill, &RMF_MDT_MD, RCL_SERVER,
obd->u.cli.cl_default_mds_easize);
- req_capsule_set_size(&req->rq_pill, &RMF_LOGCOOKIES, RCL_SERVER,
- obd->u.cli.cl_default_mds_cookiesize);
ptlrpc_request_set_replen(req);
- mdc_get_rpc_lock(obd->u.cli.cl_close_lock, NULL);
- rc = ptlrpc_queue_wait(req);
- mdc_put_rpc_lock(obd->u.cli.cl_close_lock, NULL);
+ mdc_get_mod_rpc_slot(req, NULL);
+ rc = ptlrpc_queue_wait(req);
+ mdc_put_mod_rpc_slot(req, NULL);
if (req->rq_repmsg == NULL) {
CDEBUG(D_RPCTRACE, "request failed to send: %p, %d\n", req,
obd_mod_put(mod);
}
*request = req;
- mdc_close_handle_reply(req, op_data, rc);
- RETURN(rc < 0 ? rc : saved_rc);
-}
-
-int mdc_done_writing(struct obd_export *exp, struct md_op_data *op_data,
- struct md_open_data *mod)
-{
- struct obd_device *obd = class_exp2obd(exp);
- struct ptlrpc_request *req;
- int rc;
- ENTRY;
-
- req = ptlrpc_request_alloc(class_exp2cliimp(exp),
- &RQF_MDS_DONE_WRITING);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
- rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_DONE_WRITING);
- if (rc) {
- ptlrpc_request_free(req);
- RETURN(rc);
- }
-
- if (mod != NULL) {
- LASSERTF(mod->mod_open_req != NULL &&
- mod->mod_open_req->rq_type != LI_POISON,
- "POISONED setattr %p!\n", mod->mod_open_req);
-
- mod->mod_close_req = req;
- DEBUG_REQ(D_HA, mod->mod_open_req, "matched setattr");
- /* We no longer want to preserve this setattr for replay even
- * though the open was committed. b=3632, b=3633 */
- spin_lock(&mod->mod_open_req->rq_lock);
- mod->mod_open_req->rq_replay = 0;
- spin_unlock(&mod->mod_open_req->rq_lock);
- }
-
- mdc_close_pack(req, op_data);
- ptlrpc_request_set_replen(req);
-
- mdc_get_rpc_lock(obd->u.cli.cl_close_lock, NULL);
- rc = ptlrpc_queue_wait(req);
- mdc_put_rpc_lock(obd->u.cli.cl_close_lock, NULL);
-
- if (rc == -ESTALE) {
- /**
- * it can be allowed error after 3633 if open or setattr were
- * committed and server failed before close was sent.
- * Let's check if mod exists and return no error in that case
- */
- if (mod) {
- LASSERT(mod->mod_open_req != NULL);
- if (mod->mod_open_req->rq_committed)
- rc = 0;
- }
- }
-
- if (mod) {
- if (rc != 0)
- mod->mod_close_req = NULL;
- LASSERT(mod->mod_open_req != NULL);
- mdc_free_open(mod);
-
- /* Since now, mod is accessed through setattr req only,
- * thus DW req does not keep a reference on mod anymore. */
- obd_mod_put(mod);
- }
- mdc_close_handle_reply(req, op_data, rc);
- ptlrpc_req_finished(req);
- RETURN(rc);
-}
-
-#ifdef HAVE_SPLIT_SUPPORT
-int mdc_sendpage(struct obd_export *exp, const struct lu_fid *fid,
- const struct page *page, int offset)
-{
- struct ptlrpc_request *req;
- struct ptlrpc_bulk_desc *desc;
- int rc;
- ENTRY;
-
- req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_WRITEPAGE);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- /* FIXME: capa doesn't support split yet */
- mdc_set_capa_size(req, &RMF_CAPA1, NULL);
-
- rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_WRITEPAGE);
- if (rc) {
- ptlrpc_request_free(req);
- RETURN(rc);
- }
-
- req->rq_request_portal = MDS_READPAGE_PORTAL;
- ptlrpc_at_set_req_timeout(req);
-
- desc = ptlrpc_prep_bulk_imp(req, 1, 1,BULK_GET_SOURCE, MDS_BULK_PORTAL);
- if (desc == NULL)
- GOTO(out, rc = -ENOMEM);
-
- /* NB req now owns desc and will free it when it gets freed. */
- ptlrpc_prep_bulk_page(desc, (struct page *)page, 0, offset);
- mdc_readdir_pack(req, 0, offset, fid, NULL);
-
- ptlrpc_request_set_replen(req);
- rc = ptlrpc_queue_wait(req);
- if (rc)
- GOTO(out, rc);
-
- rc = sptlrpc_cli_unwrap_bulk_write(req, req->rq_bulk);
-out:
- ptlrpc_req_finished(req);
- return rc;
+ RETURN(rc < 0 ? rc : saved_rc);
}
-EXPORT_SYMBOL(mdc_sendpage);
-#endif
static int mdc_getpage(struct obd_export *exp, const struct lu_fid *fid,
- __u64 offset, struct obd_capa *oc,
- struct page **pages, int npages,
+ u64 offset, struct page **pages, int npages,
struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, oc);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_READPAGE);
if (rc) {
ptlrpc_request_free(req);
req->rq_request_portal = MDS_READPAGE_PORTAL;
ptlrpc_at_set_req_timeout(req);
- desc = ptlrpc_prep_bulk_imp(req, npages, 1, BULK_PUT_SINK,
- MDS_BULK_PORTAL);
+ desc = ptlrpc_prep_bulk_imp(req, npages, 1,
+ PTLRPC_BULK_PUT_SINK | PTLRPC_BULK_BUF_KIOV,
+ MDS_BULK_PORTAL,
+ &ptlrpc_bulk_kiov_pin_ops);
if (desc == NULL) {
ptlrpc_request_free(req);
RETURN(-ENOMEM);
/* NB req now owns desc and will free it when it gets freed */
for (i = 0; i < npages; i++)
- ptlrpc_prep_bulk_page_pin(desc, pages[i], 0, PAGE_CACHE_SIZE);
+ desc->bd_frag_ops->add_kiov_frag(desc, pages[i], 0,
+ PAGE_CACHE_SIZE);
- mdc_readdir_pack(req, offset, PAGE_CACHE_SIZE * npages, fid, oc);
+ mdc_readdir_pack(req, offset, PAGE_CACHE_SIZE * npages, fid);
ptlrpc_request_set_replen(req);
rc = ptlrpc_queue_wait(req);
* | |
* .|--------v------- -----.
* |s|e|f|p|ent|ent| ... |ent|
- * '--|-------------- -----' Each CFS_PAGE contains a single
+ * '--|-------------- -----' Each PAGE contains a single
* '------. lu_dirpage.
* .---------v------- -----.
* |s|e|f|p|ent| 0 | ... | 0 |
* larger than LU_PAGE_SIZE, a single host page may contain multiple
* lu_dirpages. After reading the lu_dirpages from the MDS, the
* ldp_hash_end of the first lu_dirpage refers to the one immediately
- * after it in the same CFS_PAGE (arrows simplified for brevity, but
+ * after it in the same PAGE (arrows simplified for brevity, but
* in general e0==s1, e1==s2, etc.):
*
* .-------------------- -----.
* |s0|e0|f0|p|ent|ent| ... |ent|
* |---v---------------- -----|
* |s1|e1|f1|p|ent|ent| ... |ent|
- * |---v---------------- -----| Here, each CFS_PAGE contains
+ * |---v---------------- -----| Here, each PAGE contains
* ... multiple lu_dirpages.
* |---v---------------- -----|
* |s'|e'|f'|p|ent|ent| ... |ent|
* '---|---------------- -----'
* v
* .----------------------------.
- * | next CFS_PAGE |
+ * | next PAGE |
*
* This structure is transformed into a single logical lu_dirpage as follows:
*
* - Replace e0 with e' so the request for the next lu_dirpage gets the page
- * labeled 'next CFS_PAGE'.
+ * labeled 'next PAGE'.
*
* - Copy the LDF_COLLIDE flag from f' to f0 to correctly reflect whether
* a hash collision with the next page exists.
/* Advance dp to next lu_dirpage. */
dp = (struct lu_dirpage *)((char *)dp + LU_PAGE_SIZE);
- /* Check if we've reached the end of the CFS_PAGE. */
- if (!((unsigned long)dp & ~CFS_PAGE_MASK))
+ /* Check if we've reached the end of the PAGE. */
+ if (!((unsigned long)dp & ~PAGE_MASK))
break;
/* Save the hash and flags of this lu_dirpage. */
struct md_callback *rp_cb;
};
+#ifndef HAVE_DELETE_FROM_PAGE_CACHE
+static inline void delete_from_page_cache(struct page *page)
+{
+ remove_from_page_cache(page);
+ page_cache_release(page);
+}
+#endif
+
/**
* Read pages from server.
*
* a header lu_dirpage which describes the start/end hash, and whether this
* page is empty (contains no dir entry) or hash collide with next page.
* After client receives reply, several pages will be integrated into dir page
- * in CFS_PAGE_SIZE (if CFS_PAGE_SIZE greater than LU_PAGE_SIZE), and the
+ * in PAGE_SIZE (if PAGE_SIZE greater than LU_PAGE_SIZE), and the
* lu_dirpage for this integrated page will be adjusted.
**/
static int mdc_read_page_remote(void *data, struct page *page0)
page_pool[npages] = page;
}
- rc = mdc_getpage(rp->rp_exp, fid, rp->rp_off, op_data->op_capa1,
- page_pool, npages, &req);
- if (rc == 0) {
+ rc = mdc_getpage(rp->rp_exp, fid, rp->rp_off, page_pool, npages, &req);
+ if (rc < 0) {
+ /* page0 is special, which was added into page cache early */
+ delete_from_page_cache(page0);
+ } else {
int lu_pgs;
rd_pgs = (req->rq_bulk->bd_nob_transferred +
SetPageUptodate(page0);
}
-
unlock_page(page0);
+
ptlrpc_req_finished(req);
CDEBUG(D_CACHE, "read %d/%d pages\n", rd_pgs, npages);
for (i = 1; i < npages; i++) {
/* Val is struct getinfo_fid2path result plus path */
vallen = sizeof(*gf) + gf->gf_pathlen;
- rc = obd_get_info(NULL, exp, keylen, key, &vallen, gf, NULL);
+ rc = obd_get_info(NULL, exp, keylen, key, &vallen, gf);
if (rc != 0 && rc != -EREMOTE)
GOTO(out, rc);
if (req == NULL)
GOTO(out, rc = -ENOMEM);
- mdc_pack_body(req, NULL, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
+ mdc_pack_body(req, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
/* Copy hsm_progress struct */
req_hpk = req_capsule_client_get(&req->rq_pill, &RMF_MDS_HSM_PROGRESS);
ptlrpc_request_set_replen(req);
- rc = mdc_queue_wait(req);
+ mdc_get_mod_rpc_slot(req, NULL);
+ rc = ptlrpc_queue_wait(req);
+ mdc_put_mod_rpc_slot(req, NULL);
+
GOTO(out, rc);
out:
ptlrpc_req_finished(req);
if (req == NULL)
GOTO(out, rc = -ENOMEM);
- mdc_pack_body(req, NULL, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
+ mdc_pack_body(req, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
/* Copy hsm_progress struct */
archive_mask = req_capsule_client_get(&req->rq_pill,
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_HSM_ACTION);
if (rc) {
ptlrpc_request_free(req);
RETURN(rc);
}
- mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
- OBD_MD_FLRMTPERM, 0, op_data->op_suppgids[0], 0);
+ mdc_pack_body(req, &op_data->op_fid1, OBD_MD_FLRMTPERM, 0,
+ op_data->op_suppgids[0], 0);
ptlrpc_request_set_replen(req);
if (req == NULL)
GOTO(out, rc = -ENOMEM);
- mdc_pack_body(req, NULL, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
+ mdc_pack_body(req, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
ptlrpc_request_set_replen(req);
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_HSM_STATE_GET);
if (rc != 0) {
ptlrpc_request_free(req);
RETURN(rc);
}
- mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
- OBD_MD_FLRMTPERM, 0, op_data->op_suppgids[0], 0);
+ mdc_pack_body(req, &op_data->op_fid1, OBD_MD_FLRMTPERM, 0,
+ op_data->op_suppgids[0], 0);
ptlrpc_request_set_replen(req);
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_HSM_STATE_SET);
if (rc) {
ptlrpc_request_free(req);
RETURN(rc);
}
- mdc_pack_body(req, &op_data->op_fid1, op_data->op_capa1,
- OBD_MD_FLRMTPERM, 0, op_data->op_suppgids[0], 0);
+ mdc_pack_body(req, &op_data->op_fid1, OBD_MD_FLRMTPERM, 0,
+ op_data->op_suppgids[0], 0);
/* Copy states */
req_hss = req_capsule_client_get(&req->rq_pill, &RMF_HSM_STATE_SET);
ptlrpc_request_set_replen(req);
- rc = mdc_queue_wait(req);
- GOTO(out, rc);
+ mdc_get_mod_rpc_slot(req, NULL);
+ rc = ptlrpc_queue_wait(req);
+ mdc_put_mod_rpc_slot(req, NULL);
- EXIT;
+ GOTO(out, rc);
out:
ptlrpc_req_finished(req);
return rc;
RETURN(rc);
}
- mdc_pack_body(req, NULL, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
+ mdc_pack_body(req, NULL, OBD_MD_FLRMTPERM, 0, -1, 0);
/* Copy hsm_request struct */
req_hr = req_capsule_client_get(&req->rq_pill, &RMF_MDS_HSM_REQUEST);
ptlrpc_request_set_replen(req);
- rc = mdc_queue_wait(req);
+ mdc_get_mod_rpc_slot(req, NULL);
+ rc = ptlrpc_queue_wait(req);
+ mdc_put_mod_rpc_slot(req, NULL);
+
GOTO(out, rc);
out:
if (cs->cs_buf == NULL)
GOTO(out, rc = -ENOMEM);
- /* Set up the remote catalog handle */
- ctxt = llog_get_context(cs->cs_obd, LLOG_CHANGELOG_REPL_CTXT);
- if (ctxt == NULL)
- GOTO(out, rc = -ENOENT);
+ /* Set up the remote catalog handle */
+ ctxt = llog_get_context(cs->cs_obd, LLOG_CHANGELOG_REPL_CTXT);
+ if (ctxt == NULL)
+ GOTO(out, rc = -ENOENT);
rc = llog_open(NULL, ctxt, &llh, NULL, CHANGELOG_CATALOG,
LLOG_OPEN_EXISTS);
if (rc) {
rc = llog_cat_process(NULL, llh, changelog_kkuc_cb, cs, 0, 0);
- /* Send EOF no matter what our result */
- if ((kuch = changelog_kuc_hdr(cs->cs_buf, sizeof(*kuch),
- cs->cs_flags))) {
- kuch->kuc_msgtype = CL_EOF;
- libcfs_kkuc_msg_put(cs->cs_fp, kuch);
- }
+ /* Send EOF no matter what our result */
+ kuch = changelog_kuc_hdr(cs->cs_buf, sizeof(*kuch), cs->cs_flags);
+ kuch->kuc_msgtype = CL_EOF;
+ libcfs_kkuc_msg_put(cs->cs_fp, kuch);
out:
fput(cs->cs_fp);
if (llh)
llog_cat_close(NULL, llh);
- if (ctxt)
- llog_ctxt_put(ctxt);
+ if (ctxt)
+ llog_ctxt_put(ctxt);
if (cs->cs_buf)
OBD_FREE(cs->cs_buf, KUC_CHANGELOG_MSG_MAXSIZE);
OBD_FREE_PTR(cs);
static int mdc_ioc_hsm_ct_start(struct obd_export *exp,
struct lustre_kernelcomm *lk);
-static int mdc_quotacheck(struct obd_device *unused, struct obd_export *exp,
- struct obd_quotactl *oqctl)
-{
- struct client_obd *cli = &exp->exp_obd->u.cli;
- struct ptlrpc_request *req;
- struct obd_quotactl *body;
- int rc;
- ENTRY;
-
- req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp),
- &RQF_MDS_QUOTACHECK, LUSTRE_MDS_VERSION,
- MDS_QUOTACHECK);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_OBD_QUOTACTL);
- *body = *oqctl;
-
- ptlrpc_request_set_replen(req);
-
- /* the next poll will find -ENODATA, that means quotacheck is
- * going on */
- cli->cl_qchk_stat = -ENODATA;
- rc = ptlrpc_queue_wait(req);
- if (rc)
- cli->cl_qchk_stat = rc;
- ptlrpc_req_finished(req);
- RETURN(rc);
-}
-
-static int mdc_quota_poll_check(struct obd_export *exp,
- struct if_quotacheck *qchk)
-{
- struct client_obd *cli = &exp->exp_obd->u.cli;
- int rc;
- ENTRY;
-
- qchk->obd_uuid = cli->cl_target_uuid;
- memcpy(qchk->obd_type, LUSTRE_MDS_NAME, strlen(LUSTRE_MDS_NAME));
-
- rc = cli->cl_qchk_stat;
- /* the client is not the previous one */
- if (rc == CL_NOT_QUOTACHECKED)
- rc = -EINTR;
- RETURN(rc);
-}
-
static int mdc_quotactl(struct obd_device *unused, struct obd_export *exp,
struct obd_quotactl *oqctl)
{
/* When the MDT will get the MDS_SWAP_LAYOUTS RPC the
* first thing it will do is to cancel the 2 layout
- * locks hold by this client.
+ * locks held by this client.
* So the client must cancel its layout locks on the 2 fids
- * with the request RPC to avoid extra RPC round trips
+ * with the request RPC to avoid extra RPC round trips.
*/
count = mdc_resource_get_unused(exp, &op_data->op_fid1, &cancels,
LCK_EX, MDS_INODELOCK_LAYOUT |
RETURN(-ENOMEM);
}
- mdc_set_capa_size(req, &RMF_CAPA1, op_data->op_capa1);
- mdc_set_capa_size(req, &RMF_CAPA2, op_data->op_capa2);
-
rc = mdc_prep_elc_req(exp, req, MDS_SWAP_LAYOUTS, &cancels, count);
if (rc) {
ptlrpc_request_free(req);
case IOC_OSC_SET_ACTIVE:
rc = ptlrpc_set_import_active(imp, data->ioc_offset);
GOTO(out, rc);
- case OBD_IOC_POLL_QUOTACHECK:
- rc = mdc_quota_poll_check(exp, (struct if_quotacheck *)karg);
- GOTO(out, rc);
case OBD_IOC_PING_TARGET:
rc = ptlrpc_obd_ping(obd);
GOTO(out, rc);
return rc;
}
-int mdc_get_info_rpc(struct obd_export *exp,
- obd_count keylen, void *key,
- int vallen, void *val)
+static int mdc_get_info_rpc(struct obd_export *exp,
+ u32 keylen, void *key,
+ u32 vallen, void *val)
{
struct obd_import *imp = class_exp2cliimp(exp);
struct ptlrpc_request *req;
req_capsule_set_size(&req->rq_pill, &RMF_GETINFO_KEY,
RCL_CLIENT, keylen);
req_capsule_set_size(&req->rq_pill, &RMF_GETINFO_VALLEN,
- RCL_CLIENT, sizeof(__u32));
+ RCL_CLIENT, sizeof(vallen));
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GET_INFO);
if (rc) {
tmp = req_capsule_client_get(&req->rq_pill, &RMF_GETINFO_KEY);
memcpy(tmp, key, keylen);
tmp = req_capsule_client_get(&req->rq_pill, &RMF_GETINFO_VALLEN);
- memcpy(tmp, &vallen, sizeof(__u32));
+ memcpy(tmp, &vallen, sizeof(vallen));
req_capsule_set_size(&req->rq_pill, &RMF_GETINFO_VAL,
RCL_SERVER, vallen);
(void *)imp);
}
-int mdc_set_info_async(const struct lu_env *env,
- struct obd_export *exp,
- obd_count keylen, void *key,
- obd_count vallen, void *val,
- struct ptlrpc_request_set *set)
+static int mdc_set_info_async(const struct lu_env *env,
+ struct obd_export *exp,
+ u32 keylen, void *key,
+ u32 vallen, void *val,
+ struct ptlrpc_request_set *set)
{
struct obd_import *imp = class_exp2cliimp(exp);
int rc;
RETURN(rc);
}
+ if (KEY_IS(KEY_DEFAULT_EASIZE)) {
+ __u32 *default_easize = val;
+
+ exp->exp_obd->u.cli.cl_default_mds_easize = *default_easize;
+ RETURN(0);
+ }
+
CERROR("Unknown key %s\n", (char *)key);
RETURN(-EINVAL);
}
-int mdc_get_info(const struct lu_env *env, struct obd_export *exp,
- __u32 keylen, void *key, __u32 *vallen, void *val,
- struct lov_stripe_md *lsm)
+static int mdc_get_info(const struct lu_env *env, struct obd_export *exp,
+ __u32 keylen, void *key, __u32 *vallen, void *val)
{
int rc = -EINVAL;
default_easize = val;
*default_easize = exp->exp_obd->u.cli.cl_default_mds_easize;
RETURN(0);
- } else if (KEY_IS(KEY_MAX_COOKIESIZE)) {
- __u32 mdsize, *max_cookiesize;
-
- if (*vallen != sizeof(int))
- RETURN(-EINVAL);
- mdsize = *(int *)val;
- if (mdsize > exp->exp_obd->u.cli.cl_max_mds_cookiesize)
- exp->exp_obd->u.cli.cl_max_mds_cookiesize = mdsize;
- max_cookiesize = val;
- *max_cookiesize = exp->exp_obd->u.cli.cl_max_mds_cookiesize;
- RETURN(0);
- } else if (KEY_IS(KEY_DEFAULT_COOKIESIZE)) {
- __u32 *default_cookiesize;
-
- if (*vallen != sizeof(int))
- RETURN(-EINVAL);
- default_cookiesize = val;
- *default_cookiesize =
- exp->exp_obd->u.cli.cl_default_mds_cookiesize;
- RETURN(0);
} else if (KEY_IS(KEY_CONN_DATA)) {
struct obd_import *imp = class_exp2cliimp(exp);
struct obd_connect_data *data = val;
RETURN(rc);
}
-int mdc_fsync(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, struct ptlrpc_request **request)
+static int mdc_fsync(struct obd_export *exp, const struct lu_fid *fid,
+ struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
int rc;
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, oc);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_SYNC);
if (rc) {
ptlrpc_request_free(req);
RETURN(rc);
}
- mdc_pack_body(req, fid, oc, 0, 0, -1, 0);
+ mdc_pack_body(req, fid, 0, 0, -1, 0);
ptlrpc_request_set_replen(req);
RETURN(seq_client_alloc_fid(env, seq, fid));
}
-struct obd_uuid *mdc_get_uuid(struct obd_export *exp) {
+static struct obd_uuid *mdc_get_uuid(struct obd_export *exp)
+{
struct client_obd *cli = &exp->exp_obd->u.cli;
return &cli->cl_target_uuid;
}
return 0;
}
-struct ldlm_valblock_ops inode_lvbo = {
+static struct ldlm_valblock_ops inode_lvbo = {
.lvbo_free = mdc_resource_inode_free
};
static int mdc_setup(struct obd_device *obd, struct lustre_cfg *cfg)
{
- struct client_obd *cli = &obd->u.cli;
int rc;
ENTRY;
- OBD_ALLOC(cli->cl_rpc_lock, sizeof (*cli->cl_rpc_lock));
- if (!cli->cl_rpc_lock)
- RETURN(-ENOMEM);
- mdc_init_rpc_lock(cli->cl_rpc_lock);
-
rc = ptlrpcd_addref();
if (rc < 0)
- GOTO(err_rpc_lock, rc);
-
- OBD_ALLOC(cli->cl_close_lock, sizeof (*cli->cl_close_lock));
- if (!cli->cl_close_lock)
- GOTO(err_ptlrpcd_decref, rc = -ENOMEM);
- mdc_init_rpc_lock(cli->cl_close_lock);
+ RETURN(rc);
rc = client_obd_setup(obd, cfg);
if (rc)
- GOTO(err_close_lock, rc);
-#ifdef LPROCFS
+ GOTO(err_ptlrpcd_decref, rc);
+#ifdef CONFIG_PROC_FS
obd->obd_vars = lprocfs_mdc_obd_vars;
lprocfs_obd_setup(obd);
lprocfs_alloc_md_stats(obd, 0);
if (rc) {
mdc_cleanup(obd);
CERROR("failed to setup llogging subsystems\n");
+ RETURN(rc);
}
RETURN(rc);
-err_close_lock:
- OBD_FREE(cli->cl_close_lock, sizeof (*cli->cl_close_lock));
err_ptlrpcd_decref:
ptlrpcd_decref();
-err_rpc_lock:
- OBD_FREE(cli->cl_rpc_lock, sizeof (*cli->cl_rpc_lock));
RETURN(rc);
}
-/* Initialize the default and maximum LOV EA and cookie sizes. This allows
+/* Initialize the default and maximum LOV EA sizes. This allows
* us to make MDS RPCs with large enough reply buffers to hold a default
- * sized EA and cookie without having to calculate this (via a call into the
+ * sized EA without having to calculate this (via a call into the
* LOV + OSCs) each time we make an RPC. The maximum size is also tracked
* but not used to avoid wastefully vmalloc()'ing large reply buffers when
* a large number of stripes is possible. If a larger reply buffer is
* required it will be reallocated in the ptlrpc layer due to overflow.
*/
static int mdc_init_ea_size(struct obd_export *exp, __u32 easize,
- __u32 def_easize, __u32 cookiesize,
- __u32 def_cookiesize)
+ __u32 def_easize)
{
struct obd_device *obd = exp->exp_obd;
struct client_obd *cli = &obd->u.cli;
if (cli->cl_default_mds_easize < def_easize)
cli->cl_default_mds_easize = def_easize;
- if (cli->cl_max_mds_cookiesize < cookiesize)
- cli->cl_max_mds_cookiesize = cookiesize;
-
- if (cli->cl_default_mds_cookiesize < def_cookiesize)
- cli->cl_default_mds_cookiesize = def_cookiesize;
-
RETURN(0);
}
case OBD_CLEANUP_EXPORTS:
/* Failsafe, ok if racy */
if (obd->obd_type->typ_refcnt <= 1)
- libcfs_kkuc_group_rem(0, KUC_GRP_HSM, NULL);
+ libcfs_kkuc_group_rem(0, KUC_GRP_HSM);
obd_cleanup_client_import(obd);
ptlrpc_lprocfs_unregister_obd(obd);
static int mdc_cleanup(struct obd_device *obd)
{
- struct client_obd *cli = &obd->u.cli;
-
- OBD_FREE(cli->cl_rpc_lock, sizeof (*cli->cl_rpc_lock));
- OBD_FREE(cli->cl_close_lock, sizeof (*cli->cl_close_lock));
-
ptlrpcd_decref();
return client_obd_cleanup(obd);
}
-static int mdc_process_config(struct obd_device *obd, obd_count len, void *buf)
+static int mdc_process_config(struct obd_device *obd, size_t len, void *buf)
{
struct lustre_cfg *lcfg = buf;
int rc = class_process_proc_param(PARAM_MDC, obd->obd_vars, lcfg, obd);
/* get remote permission for current user on fid */
-int mdc_get_remote_perm(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, __u32 suppgid,
- struct ptlrpc_request **request)
+static int mdc_get_remote_perm(struct obd_export *exp, const struct lu_fid *fid,
+ u32 suppgid, struct ptlrpc_request **request)
{
struct ptlrpc_request *req;
int rc;
if (req == NULL)
RETURN(-ENOMEM);
- mdc_set_capa_size(req, &RMF_CAPA1, oc);
-
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_GETATTR);
if (rc) {
ptlrpc_request_free(req);
RETURN(rc);
}
- mdc_pack_body(req, fid, oc, OBD_MD_FLRMTPERM, 0, suppgid, 0);
+ mdc_pack_body(req, fid, OBD_MD_FLRMTPERM, 0, suppgid, 0);
req_capsule_set_size(&req->rq_pill, &RMF_ACL, RCL_SERVER,
sizeof(struct mdt_remote_perm));
RETURN(rc);
}
-static int mdc_interpret_renew_capa(const struct lu_env *env,
- struct ptlrpc_request *req, void *args,
- int status)
-{
- struct mdc_renew_capa_args *ra = args;
- struct mdt_body *body = NULL;
- struct lustre_capa *capa;
- ENTRY;
-
- if (status)
- GOTO(out, capa = ERR_PTR(status));
-
- body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
- if (body == NULL)
- GOTO(out, capa = ERR_PTR(-EFAULT));
-
- if ((body->mbo_valid & OBD_MD_FLOSSCAPA) == 0)
- GOTO(out, capa = ERR_PTR(-ENOENT));
-
- capa = req_capsule_server_get(&req->rq_pill, &RMF_CAPA2);
- if (!capa)
- GOTO(out, capa = ERR_PTR(-EFAULT));
- EXIT;
-out:
- ra->ra_cb(ra->ra_oc, capa);
- return 0;
-}
-
-static int mdc_renew_capa(struct obd_export *exp, struct obd_capa *oc,
- renew_capa_cb_t cb)
-{
- struct ptlrpc_request *req;
- struct mdc_renew_capa_args *ra;
- ENTRY;
-
- req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp), &RQF_MDS_GETATTR,
- LUSTRE_MDS_VERSION, MDS_GETATTR);
- if (req == NULL)
- RETURN(-ENOMEM);
-
- /* NB, OBD_MD_FLOSSCAPA is set here, but it doesn't necessarily mean the
- * capa to renew is oss capa.
- */
- mdc_pack_body(req, &oc->c_capa.lc_fid, oc, OBD_MD_FLOSSCAPA, 0, -1, 0);
- ptlrpc_request_set_replen(req);
-
- CLASSERT(sizeof(*ra) <= sizeof(req->rq_async_args));
- ra = ptlrpc_req_async_args(req);
- ra->ra_oc = oc;
- ra->ra_cb = cb;
- req->rq_interpret_reply = mdc_interpret_renew_capa;
- ptlrpcd_add_req(req, PDL_POLICY_LOCAL, -1);
- RETURN(0);
-}
-
-struct obd_ops mdc_obd_ops = {
+static struct obd_ops mdc_obd_ops = {
.o_owner = THIS_MODULE,
.o_setup = mdc_setup,
.o_precleanup = mdc_precleanup,
.o_process_config = mdc_process_config,
.o_get_uuid = mdc_get_uuid,
.o_quotactl = mdc_quotactl,
- .o_quotacheck = mdc_quotacheck
};
-struct md_ops mdc_md_ops = {
+static struct md_ops mdc_md_ops = {
.m_getstatus = mdc_getstatus,
.m_null_inode = mdc_null_inode,
.m_find_cbdata = mdc_find_cbdata,
.m_close = mdc_close,
.m_create = mdc_create,
- .m_done_writing = mdc_done_writing,
.m_enqueue = mdc_enqueue,
.m_getattr = mdc_getattr,
.m_getattr_name = mdc_getattr_name,
.m_free_lustre_md = mdc_free_lustre_md,
.m_set_open_replay_data = mdc_set_open_replay_data,
.m_clear_open_replay_data = mdc_clear_open_replay_data,
- .m_renew_capa = mdc_renew_capa,
- .m_unpack_capa = mdc_unpack_capa,
.m_get_remote_perm = mdc_get_remote_perm,
.m_intent_getattr_async = mdc_intent_getattr_async,
.m_revalidate_lock = mdc_revalidate_lock
};
-int __init mdc_init(void)
+static int __init mdc_init(void)
{
return class_register_type(&mdc_obd_ops, &mdc_md_ops, true, NULL,
LUSTRE_MDC_NAME, NULL);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff