#define DEBUG_SUBSYSTEM S_COBD
#include <linux/version.h>
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
#include <linux/init.h>
-#endif
#include <linux/obd_support.h>
#include <linux/lustre_lib.h>
#include <linux/lustre_net.h>
#include <linux/lustre_idl.h>
+#include <linux/lustre_log.h>
+#include <linux/lustre_mds.h>
#include <linux/obd_class.h>
#include <linux/obd_cache.h>
+#include <linux/obd_lmv.h>
-static int cobd_attach(struct obd_device *dev, obd_count len, void *data)
+static int cobd_attach(struct obd_device *obd,
+ obd_count len, void *buf)
{
struct lprocfs_static_vars lvars;
+
+ lprocfs_init_vars(cobd, &lvars);
+ return lprocfs_obd_attach(obd, lvars.obd_vars);
+}
- lprocfs_init_vars(&lvars);
- return lprocfs_obd_attach(dev, lvars.obd_vars);
+static int cobd_detach(struct obd_device *obd)
+{
+ return lprocfs_obd_detach(obd);
}
-static int cobd_detach(struct obd_device *dev)
+static int cobd_setup(struct obd_device *obd, obd_count len, void *buf)
{
- return lprocfs_obd_detach(dev);
+ struct lustre_cfg *lcfg = (struct lustre_cfg *)buf;
+ struct cache_obd *cobd = &obd->u.cobd;
+ struct obd_device *master;
+ int rc = 0;
+ ENTRY;
+
+ if (lcfg->lcfg_inllen1 == 0 || lcfg->lcfg_inlbuf1 == NULL) {
+ CERROR("%s: setup requires master device name\n",
+ obd->obd_name);
+ RETURN(-EINVAL);
+ }
+
+ if (lcfg->lcfg_inllen2 == 0 || lcfg->lcfg_inlbuf2 == NULL) {
+ CERROR("%s: setup requires cache device name\n",
+ obd->obd_name);
+ RETURN(-EINVAL);
+ }
+
+ master = class_name2obd(lcfg->lcfg_inlbuf1);
+ if (!master) {
+ CERROR("%s: unable to find master: %s\n",
+ obd->obd_name, lcfg->lcfg_inlbuf1);
+ RETURN(-EINVAL);
+ }
+
+ sema_init(&cobd->sem, 1);
+
+ OBD_ALLOC(cobd->master_name, lcfg->lcfg_inllen1);
+ if (!cobd->master_name)
+ RETURN(-ENOMEM);
+ memcpy(cobd->master_name, lcfg->lcfg_inlbuf1,
+ lcfg->lcfg_inllen1);
+
+ OBD_ALLOC(cobd->cache_name, lcfg->lcfg_inllen2);
+ if (!cobd->cache_name)
+ GOTO(put_names, rc = -ENOMEM);
+ memcpy(cobd->cache_name, lcfg->lcfg_inlbuf2,
+ lcfg->lcfg_inllen2);
+
+ EXIT;
+put_names:
+ if (rc) {
+ OBD_FREE(cobd->master_name, lcfg->lcfg_inllen1);
+ cobd->master_name = NULL;
+ }
+ return rc;
}
-static int
-cobd_setup (struct obd_device *dev, obd_count len, void *buf)
+static int cobd_cleanup(struct obd_device *obd, int flags)
{
- struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
- struct cache_obd *cobd = &dev->u.cobd;
- struct obd_device *target;
- struct obd_device *cache;
- struct obd_uuid target_uuid;
- struct obd_uuid cache_uuid;
- int rc;
+ struct cache_obd *cobd = &obd->u.cobd;
+ ENTRY;
- if (data->ioc_inlbuf1 == NULL ||
- data->ioc_inlbuf2 == NULL)
- return (-EINVAL);
+ if (!list_empty(&obd->obd_exports))
+ RETURN(-EBUSY);
+
+ if (cobd->cache_name)
+ OBD_FREE(cobd->cache_name,
+ strlen(cobd->cache_name) + 1);
+ if (cobd->master_name)
+ OBD_FREE(cobd->master_name,
+ strlen(cobd->master_name) + 1);
+
+ RETURN(0);
+}
- obd_str2uuid(&target_uuid, data->ioc_inlbuf1);
- target = class_uuid2obd (&target_uuid);
+static inline struct obd_export *
+cobd_get_exp(struct obd_device *obd)
+{
+ struct cache_obd *cobd = &obd->u.cobd;
+ if (cobd->cache_on)
+ return cobd->cache_exp;
+ return cobd->master_exp;
+}
- obd_str2uuid(&cache_uuid, data->ioc_inlbuf2);
- cache = class_uuid2obd (&cache_uuid);
- if (target == NULL ||
- cache == NULL)
- return (-EINVAL);
+static int client_obd_connect(struct obd_device *obd, char *name,
+ struct lustre_handle *conn,
+ struct obd_connect_data *data,
+ unsigned long flags)
+{
+ struct obd_device *cli_obd;
+ int rc = 0;
+ ENTRY;
+
+ LASSERT(obd);
+ LASSERT(name);
+ LASSERT(conn);
+
+ cli_obd = class_name2obd(name);
+ if (cli_obd == NULL) {
+ CERROR("%s: unable to find a client for obd: %s\n",
+ obd->obd_name, name);
+ RETURN(-EINVAL);
+ }
+ rc = obd_connect(conn, cli_obd, &obd->obd_uuid, data, flags);
+ if (rc) {
+ CERROR("error connecting to %s, err %d\n",
+ name, rc);
+ }
+ RETURN(rc);
+}
- /* don't bother checking attached/setup;
- * obd_connect() should, and it can change underneath us */
- rc = obd_connect (&cobd->cobd_target, target, &target_uuid, NULL, NULL);
- if (rc != 0)
- return (rc);
+static int client_obd_disconnect(struct obd_device *obd,
+ struct obd_export *exp,
+ unsigned long flags)
+{
+ struct obd_device *cli_obd;
+ int rc = 0;
+ ENTRY;
- rc = obd_connect (&cobd->cobd_cache, cache, &cache_uuid, NULL, NULL);
- if (rc != 0)
- goto fail_0;
+ cli_obd = class_exp2obd(exp);
+ cli_obd->obd_no_recov = obd->obd_no_recov;
+
+ rc = obd_disconnect(exp, flags);
+ if (rc) {
+ CERROR("error disconnecting from %s, err %d\n",
+ cli_obd->obd_name, rc);
+ class_export_put(exp);
+ }
+ RETURN(rc);
+}
- return (0);
+static int
+cobd_connect(struct lustre_handle *conn, struct obd_device *obd,
+ struct obd_uuid *cluuid, struct obd_connect_data *data,
+ unsigned long flags)
+{
+ struct lustre_handle cache_conn = { 0 };
+ struct cache_obd *cobd = &obd->u.cobd;
+ struct obd_export *exp;
+ int rc = 0;
+ ENTRY;
- fail_0:
- obd_disconnect (&cobd->cobd_target);
- return (rc);
+ /* connecting class */
+ rc = class_connect(conn, obd, cluuid);
+ if (rc)
+ RETURN(rc);
+ exp = class_conn2export(conn);
+
+ /* connecting cache */
+ rc = client_obd_connect(obd, cobd->cache_name,
+ &cache_conn, data, flags);
+ if (rc)
+ GOTO(err_discon, rc);
+ cobd->cache_exp = class_conn2export(&cache_conn);
+ cobd->cache_on = 1;
+
+ EXIT;
+err_discon:
+ if (rc)
+ class_disconnect(exp, 0);
+ else
+ class_export_put(exp);
+ return rc;
}
static int
-cobd_cleanup (struct obd_device *dev)
+cobd_disconnect(struct obd_export *exp, unsigned long flags)
{
- struct cache_obd *cobd = &dev->u.cobd;
- int rc;
+ struct obd_device *obd;
+ struct cache_obd *cobd;
+ int rc = 0;
+ ENTRY;
+
+ LASSERT(exp != NULL);
+ obd = class_exp2obd(exp);
+ if (obd == NULL) {
+ CDEBUG(D_IOCTL, "invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ RETURN(-EINVAL);
+ }
- if (!list_empty (&dev->obd_exports))
- return (-EBUSY);
+ cobd = &obd->u.cobd;
+
+ if (cobd->cache_on) {
+ rc = client_obd_disconnect(obd, cobd->cache_exp,
+ flags);
+ cobd->cache_exp = NULL;
+ } else {
+ rc = client_obd_disconnect(obd, cobd->master_exp,
+ flags);
+ cobd->master_exp = NULL;
+ }
- rc = obd_disconnect (&cobd->cobd_cache);
- if (rc != 0)
- CERROR ("error %d disconnecting cache\n", rc);
+ rc = class_disconnect(exp, flags);
+ RETURN(rc);
+}
- rc = obd_disconnect (&cobd->cobd_target);
- if (rc != 0)
- CERROR ("error %d disconnecting target\n", rc);
+static int cobd_get_info(struct obd_export *exp, obd_count keylen,
+ void *key, __u32 *vallen, void *val)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
- return (0);
+ /* intercept cache utilisation info? */
+ return obd_get_info(cobd_exp, keylen, key, vallen, val);
}
-static int
-cobd_connect (struct lustre_handle *conn, struct obd_device *obd,
- struct obd_uuid *cluuid, struct recovd_obd *recovd,
- ptlrpc_recovery_cb_t recover)
+static int cobd_set_info(struct obd_export *exp, obd_count keylen,
+ void *key, obd_count vallen, void *val)
{
- int rc = class_connect (conn, obd, cluuid);
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
- CERROR ("rc %d\n", rc);
- return (rc);
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+
+ /* intercept cache utilisation info? */
+ return obd_set_info(cobd_exp, keylen, key, vallen, val);
}
-static int
-cobd_disconnect (struct lustre_handle *conn)
+static int cobd_statfs(struct obd_device *obd, struct obd_statfs *osfs,
+ unsigned long max_age)
{
- int rc = class_disconnect (conn);
+ struct obd_export *cobd_exp;
- CERROR ("rc %d\n", rc);
- return (rc);
+ cobd_exp = cobd_get_exp(obd);
+
+ return obd_statfs(class_exp2obd(cobd_exp), osfs, max_age);
}
-static int
-cobd_get_info(struct lustre_handle *conn, obd_count keylen,
- void *key, obd_count *vallen, void **val)
+static int cobd_packmd(struct obd_export *exp,
+ struct lov_mds_md **disk_tgt,
+ struct lov_stripe_md *mem_src)
{
- struct obd_device *obd = class_conn2obd(conn);
- struct cache_obd *cobd;
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
if (obd == NULL) {
- CERROR("invalid client "LPX64"\n", conn->addr);
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
return -EINVAL;
}
+ cobd_exp = cobd_get_exp(obd);
+ return obd_packmd(cobd_exp, disk_tgt, mem_src);
+}
- cobd = &obd->u.cobd;
+static int cobd_unpackmd(struct obd_export *exp,
+ struct lov_stripe_md **mem_tgt,
+ struct lov_mds_md *disk_src,
+ int disk_len)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
- /* intercept cache utilisation info? */
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_unpackmd(cobd_exp, mem_tgt, disk_src, disk_len);
+}
+
+static int cobd_create(struct obd_export *exp, struct obdo *obdo,
+ struct lov_stripe_md **ea,
+ struct obd_trans_info *oti)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
- return (obd_get_info (&cobd->cobd_target,
- keylen, key, vallen, val));
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_create(cobd_exp, obdo, ea, oti);
}
-static int
-cobd_statfs(struct lustre_handle *conn, struct obd_statfs *osfs)
+static int cobd_destroy(struct obd_export *exp, struct obdo *obdo,
+ struct lov_stripe_md *ea,
+ struct obd_trans_info *oti)
{
- struct obd_device *obd = class_conn2obd(conn);
- struct cache_obd *cobd;
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
if (obd == NULL) {
- CERROR("invalid client "LPX64"\n", conn->addr);
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
return -EINVAL;
}
+ cobd_exp = cobd_get_exp(obd);
+ return obd_destroy(cobd_exp, obdo, ea, oti);
+}
- cobd = &obd->u.cobd;
- return (obd_statfs (&cobd->cobd_target, osfs));
+static int cobd_precleanup(struct obd_device *obd, int flags)
+{
+ /* FIXME-WANGDI: do we need some cleanup here? */
+ return 0;
}
-static int
-cobd_getattr(struct lustre_handle *conn, struct obdo *oa,
- struct lov_stripe_md *lsm)
+static int cobd_getattr(struct obd_export *exp, struct obdo *oa,
+ struct lov_stripe_md *ea)
{
- struct obd_device *obd = class_conn2obd(conn);
- struct cache_obd *cobd;
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
if (obd == NULL) {
- CERROR("invalid client "LPX64"\n", conn->addr);
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
return -EINVAL;
}
+ cobd_exp = cobd_get_exp(obd);
+ return obd_getattr(cobd_exp, oa, ea);
+}
- cobd = &obd->u.cobd;
- return (obd_getattr (&cobd->cobd_target, oa, lsm));
+static int cobd_getattr_async(struct obd_export *exp,
+ struct obdo *obdo, struct lov_stripe_md *ea,
+ struct ptlrpc_request_set *set)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_getattr_async(cobd_exp, obdo, ea, set);
}
-static int
-cobd_open(struct lustre_handle *conn, struct obdo *oa,
- struct lov_stripe_md *lsm, struct obd_trans_info *oti)
+static int cobd_setattr(struct obd_export *exp, struct obdo *obdo,
+ struct lov_stripe_md *ea,
+ struct obd_trans_info *oti)
{
- struct obd_device *obd = class_conn2obd(conn);
- struct cache_obd *cobd;
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
if (obd == NULL) {
- CERROR("invalid client "LPX64"\n", conn->addr);
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
return -EINVAL;
}
+ cobd_exp = cobd_get_exp(obd);
+ return obd_setattr(cobd_exp, obdo, ea, oti);
+}
- cobd = &obd->u.cobd;
- return (obd_open (&cobd->cobd_target, oa, lsm, oti));
+static int cobd_md_getstatus(struct obd_export *exp,
+ struct lustre_id *rootid)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_getstatus(cobd_exp, rootid);
}
-static int
-cobd_close(struct lustre_handle *conn, struct obdo *oa,
- struct lov_stripe_md *lsm, struct obd_trans_info *oti)
+static int cobd_brw(int cmd, struct obd_export *exp, struct obdo *oa,
+ struct lov_stripe_md *ea, obd_count oa_bufs,
+ struct brw_page *pg, struct obd_trans_info *oti)
{
- struct obd_device *obd = class_conn2obd(conn);
- struct cache_obd *cobd;
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
if (obd == NULL) {
- CERROR("invalid client "LPX64"\n", conn->addr);
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
return -EINVAL;
}
+ cobd_exp = cobd_get_exp(obd);
+ return obd_brw(cmd, cobd_exp, oa, ea, oa_bufs, pg, oti);
+}
- cobd = &obd->u.cobd;
- return (obd_close (&cobd->cobd_target, oa, lsm, oti));
+static int cobd_brw_async(int cmd, struct obd_export *exp,
+ struct obdo *oa, struct lov_stripe_md *ea,
+ obd_count oa_bufs, struct brw_page *pg,
+ struct ptlrpc_request_set *set,
+ struct obd_trans_info *oti)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_brw_async(cmd, cobd_exp, oa, ea, oa_bufs,
+ pg, set, oti);
}
-static int
-cobd_preprw(int cmd, struct lustre_handle *conn,
- int objcount, struct obd_ioobj *obj,
- int niocount, struct niobuf_remote *nb,
- struct niobuf_local *res, void **desc_private,
- struct obd_trans_info *oti)
+static int cobd_prep_async_page(struct obd_export *exp,
+ struct lov_stripe_md *lsm,
+ struct lov_oinfo *loi,
+ struct page *page, obd_off offset,
+ struct obd_async_page_ops *ops,
+ void *data, void **res)
{
- struct obd_device *obd = class_conn2obd(conn);
- struct cache_obd *cobd;
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
if (obd == NULL) {
- CERROR("invalid client "LPX64"\n", conn->addr);
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
return -EINVAL;
}
+ cobd_exp = cobd_get_exp(obd);
+ return obd_prep_async_page(cobd_exp, lsm, loi, page, offset,
+ ops, data, res);
+}
- if ((cmd & OBD_BRW_WRITE) != 0)
- return -EOPNOTSUPP;
+static int cobd_queue_async_io(struct obd_export *exp,
+ struct lov_stripe_md *lsm,
+ struct lov_oinfo *loi, void *cookie,
+ int cmd, obd_off off, int count,
+ obd_flags brw_flags, obd_flags async_flags)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
- cobd = &obd->u.cobd;
- return (obd_preprw (cmd, &cobd->cobd_target,
- objcount, obj,
- niocount, nb,
- res, desc_private, oti));
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_queue_async_io(cobd_exp, lsm, loi, cookie, cmd, off, count,
+ brw_flags, async_flags);
}
-static int
-cobd_commitrw(int cmd, struct lustre_handle *conn,
- int objcount, struct obd_ioobj *obj,
- int niocount, struct niobuf_local *local,
- void *desc_private, struct obd_trans_info *oti)
+static int cobd_set_async_flags(struct obd_export *exp,
+ struct lov_stripe_md *lsm,
+ struct lov_oinfo *loi, void *cookie,
+ obd_flags async_flags)
{
- struct obd_device *obd = class_conn2obd(conn);
- struct cache_obd *cobd;
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
if (obd == NULL) {
- CERROR("invalid client "LPX64"\n", conn->addr);
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
return -EINVAL;
}
+ cobd_exp = cobd_get_exp(obd);
+ return obd_set_async_flags(cobd_exp, lsm, loi, cookie, async_flags);
+}
- if ((cmd & OBD_BRW_WRITE) != 0)
- return -EOPNOTSUPP;
+static int cobd_queue_group_io(struct obd_export *exp,
+ struct lov_stripe_md *lsm,
+ struct lov_oinfo *loi,
+ struct obd_io_group *oig,
+ void *cookie, int cmd, obd_off off,
+ int count, obd_flags brw_flags,
+ obd_flags async_flags)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
- cobd = &obd->u.cobd;
- return (obd_commitrw (cmd, &cobd->cobd_target,
- objcount, obj,
- niocount, local,
- desc_private, oti));
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_queue_group_io(cobd_exp, lsm, loi, oig, cookie,
+ cmd, off, count, brw_flags, async_flags);
}
-static inline int
-cobd_brw(int cmd, struct lustre_handle *conn,
- struct lov_stripe_md *lsm, obd_count oa_bufs,
- struct brw_page *pga, struct obd_brw_set *set,
- struct obd_trans_info *oti)
+static int cobd_trigger_group_io(struct obd_export *exp,
+ struct lov_stripe_md *lsm,
+ struct lov_oinfo *loi,
+ struct obd_io_group *oig)
{
- struct obd_device *obd = class_conn2obd(conn);
- struct cache_obd *cobd;
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
if (obd == NULL) {
- CERROR("invalid client "LPX64"\n", conn->addr);
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
return -EINVAL;
}
+ cobd_exp = cobd_get_exp(obd);
+ return obd_trigger_group_io(cobd_exp, lsm, loi, oig);
+}
- if ((cmd & OBD_BRW_WRITE) != 0)
- return -EOPNOTSUPP;
+static int cobd_teardown_async_page(struct obd_export *exp,
+ struct lov_stripe_md *lsm,
+ struct lov_oinfo *loi, void *cookie)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
- cobd = &obd->u.cobd;
- return (obd_brw (cmd, &cobd->cobd_target,
- lsm, oa_bufs, pga, set, oti));
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_teardown_async_page(cobd_exp, lsm, loi, cookie);
}
-static int
-cobd_iocontrol(unsigned int cmd, struct lustre_handle *conn, int len,
- void *karg, void *uarg)
+static int cobd_punch(struct obd_export *exp, struct obdo *oa,
+ struct lov_stripe_md *ea, obd_size start,
+ obd_size end, struct obd_trans_info *oti)
{
- struct obd_device *obd = class_conn2obd(conn);
- struct cache_obd *cobd;
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
if (obd == NULL) {
- CERROR("invalid client "LPX64"\n", conn->addr);
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
return -EINVAL;
}
+ cobd_exp = cobd_get_exp(obd);
+ return obd_punch(cobd_exp, oa, ea, start, end, oti);
+}
- /* intercept? */
+static int cobd_sync(struct obd_export *exp, struct obdo *oa,
+ struct lov_stripe_md *ea, obd_size start,
+ obd_size end)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
- cobd = &obd->u.cobd;
- return (obd_iocontrol (cmd, &cobd->cobd_target, len, karg, uarg));
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_sync(cobd_exp, oa, ea, start, end);
+}
+
+static int cobd_enqueue(struct obd_export *exp, struct lov_stripe_md *ea,
+ __u32 type, ldlm_policy_data_t *policy,
+ __u32 mode, int *flags, void *bl_cb, void *cp_cb,
+ void *gl_cb, void *data, __u32 lvb_len,
+ void *lvb_swabber, struct lustre_handle *lockh)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_enqueue(cobd_exp, ea, type, policy, mode, flags,
+ bl_cb, cp_cb, gl_cb, data, lvb_len,
+ lvb_swabber, lockh);
+}
+
+static int cobd_match(struct obd_export *exp, struct lov_stripe_md *ea,
+ __u32 type, ldlm_policy_data_t *policy, __u32 mode,
+ int *flags, void *data, struct lustre_handle *lockh)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_match(cobd_exp, ea, type, policy, mode, flags, data,
+ lockh);
+}
+static int cobd_change_cbdata(struct obd_export *exp,
+ struct lov_stripe_md *lsm,
+ ldlm_iterator_t it, void *data)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_change_cbdata(cobd_exp, lsm, it, data);
+}
+
+static int cobd_cancel(struct obd_export *exp,
+ struct lov_stripe_md *ea, __u32 mode,
+ struct lustre_handle *lockh)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_cancel(cobd_exp, ea, mode, lockh);
+}
+
+static int cobd_cancel_unused(struct obd_export *exp,
+ struct lov_stripe_md *ea, int flags,
+ void *opaque)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_cancel_unused(cobd_exp, ea, flags, opaque);
+}
+
+static int cobd_preprw(int cmd, struct obd_export *exp, struct obdo *oa,
+ int objcount, struct obd_ioobj *obj,
+ int niocount, struct niobuf_remote *nb,
+ struct niobuf_local *res, struct obd_trans_info *oti)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_preprw(cmd, cobd_exp, oa, objcount, obj, niocount, nb,
+ res, oti);
+}
+
+static int cobd_commitrw(int cmd, struct obd_export *exp, struct obdo *oa,
+ int objcount, struct obd_ioobj *obj,
+ int niocount, struct niobuf_local *local,
+ struct obd_trans_info *oti, int rc)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return obd_commitrw(cmd, cobd_exp, oa, objcount, obj, niocount,
+ local, oti, rc);
+}
+
+static int cobd_flush(struct obd_device *obd)
+{
+ return 0;
+}
+
+static int cobd_iocontrol(unsigned int cmd, struct obd_export *exp,
+ int len, void *karg, void *uarg)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct cache_obd *cobd = &obd->u.cobd;
+ struct obd_export *cobd_exp;
+ int rc = 0;
+ ENTRY;
+
+ down(&cobd->sem);
+
+ switch (cmd) {
+ case OBD_IOC_COBD_CON:
+ if (!cobd->cache_on) {
+ struct lustre_handle conn = {0};
+
+ rc = client_obd_disconnect(obd, cobd->master_exp, 0);
+ rc = client_obd_connect(obd, cobd->cache_name, &conn,
+ NULL, 0);
+ if (rc)
+ GOTO(out, rc);
+ cobd->cache_exp = class_conn2export(&conn);
+ cobd->cache_on = 1;
+ }
+ break;
+ case OBD_IOC_COBD_COFF:
+ if (cobd->cache_on) {
+ struct lustre_handle conn = {0,};
+ struct obd_device *master = NULL;
+ struct obd_device *cache = NULL;
+ int easize, cooksize;
+
+ cache = class_exp2obd(cobd->cache_exp);
+ easize = cache->u.cli.cl_max_mds_easize;
+ cooksize = cache->u.cli.cl_max_mds_cookiesize;
+
+ rc = client_obd_disconnect(obd, cobd->cache_exp, 0);
+ rc = client_obd_connect(obd, cobd->master_name, &conn,
+ NULL, 0);
+ if (rc)
+ GOTO(out, rc);
+ cobd->master_exp = class_conn2export(&conn);
+
+ master = class_exp2obd(cobd->master_exp);
+ master->u.cli.cl_max_mds_easize = easize;
+ master->u.cli.cl_max_mds_cookiesize = cooksize;
+ cobd->cache_on = 0;
+ }
+ break;
+ case OBD_IOC_COBD_CFLUSH:
+ if (cobd->cache_on) {
+ cobd->cache_on = 0;
+ cobd_flush(obd);
+ } else {
+ CERROR("%s: cache is turned off\n", obd->obd_name);
+ }
+ break;
+ default:
+ cobd_exp = cobd_get_exp(obd);
+ rc = obd_iocontrol(cmd, cobd_exp, len, karg, uarg);
+ }
+
+ EXIT;
+out:
+ up(&cobd->sem);
+ return rc;
+}
+
+static int cobd_llog_init(struct obd_device *obd, struct obd_llogs *llogs,
+ struct obd_device *disk_obd, int count,
+ struct llog_catid *logid)
+{
+ struct obd_export *cobd_exp;
+ struct obd_device *cobd_obd;
+
+ cobd_exp = cobd_get_exp(obd);
+ cobd_obd = class_exp2obd(cobd_exp);
+
+ return obd_llog_init(cobd_obd, &cobd_obd->obd_llogs,
+ disk_obd, count, logid);
+}
+
+static int cobd_llog_finish(struct obd_device *obd, struct obd_llogs *llogs,
+ int count)
+{
+ struct obd_export *cobd_exp;
+ struct obd_device *cobd_obd;
+
+ cobd_exp = cobd_get_exp(obd);
+ cobd_obd = class_exp2obd(cobd_exp);
+
+ return obd_llog_finish(cobd_obd, &cobd_obd->obd_llogs, count);
+}
+
+static int cobd_notify(struct obd_device *obd, struct obd_device *watched,
+ int active, void *data)
+{
+ struct obd_export *cobd_exp;
+
+ cobd_exp = cobd_get_exp(obd);
+
+ return obd_notify(class_exp2obd(cobd_exp), watched, active, data);
+}
+
+static int cobd_pin(struct obd_export *exp, obd_id ino, __u32 gen,
+ int type, struct obd_client_handle *handle, int flag)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+
+ return obd_pin(cobd_exp, ino, gen, type, handle, flag);
+}
+
+static int cobd_unpin(struct obd_export *exp,
+ struct obd_client_handle *handle, int flag)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+
+ return obd_unpin(cobd_exp, handle, flag);
+}
+
+static int cobd_init_ea_size(struct obd_export *exp, int easize, int cookiesize)
+{
+ struct obd_export *cobd_exp;
+
+ cobd_exp = cobd_get_exp(exp->exp_obd);
+ return obd_init_ea_size(cobd_exp, easize, cookiesize);
+}
+
+static int cobd_import_event(struct obd_device *obd,
+ struct obd_import *imp,
+ enum obd_import_event event)
+{
+ struct obd_export *cobd_exp;
+
+ cobd_exp = cobd_get_exp(obd);
+
+ obd_import_event(class_exp2obd(cobd_exp), imp, event);
+
+ return 0;
}
-static struct obd_ops cobd_ops = {
- o_owner: THIS_MODULE,
- o_attach: cobd_attach,
- o_detach: cobd_detach,
+static int cobd_md_getattr(struct obd_export *exp, struct lustre_id *id,
+ __u64 valid, const char *ea_name, int ea_namelen,
+ unsigned int ea_size, struct ptlrpc_request **request)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
- o_setup: cobd_setup,
- o_cleanup: cobd_cleanup,
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_getattr(cobd_exp, id, valid, NULL, 0, ea_size, request);
+}
- o_connect: cobd_connect,
- o_disconnect: cobd_disconnect,
+static int cobd_md_req2lustre_md (struct obd_export *mdc_exp,
+ struct ptlrpc_request *req, unsigned int offset,
+ struct obd_export *osc_exp, struct lustre_md *md)
+{
+ struct obd_device *obd = class_exp2obd(mdc_exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ mdc_exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_req2lustre_md(cobd_exp, req, offset, osc_exp, md);
+}
+
+static int cobd_md_change_cbdata(struct obd_export *exp, struct lustre_id *id,
+ ldlm_iterator_t it, void *data)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_change_cbdata(cobd_exp, id, it, data);
+}
+
+static int cobd_md_getattr_lock(struct obd_export *exp, struct lustre_id *id,
+ char *filename, int namelen, __u64 valid,
+ unsigned int ea_size, struct ptlrpc_request **request)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_getattr_lock(cobd_exp, id, filename, namelen, valid,
+ ea_size, request);
+}
+
+static int cobd_md_create(struct obd_export *exp, struct mdc_op_data *op_data,
+ const void *data, int datalen, int mode,
+ __u32 uid, __u32 gid, __u64 rdev,
+ struct ptlrpc_request **request)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_create(cobd_exp, op_data, data, datalen, mode,
+ uid, gid, rdev, request);
+}
+
+static int cobd_md_unlink(struct obd_export *exp, struct mdc_op_data *data,
+ struct ptlrpc_request **request)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_unlink(cobd_exp, data, request);
+}
+
+static int cobd_md_valid_attrs(struct obd_export *exp,
+ struct lustre_id *id)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_valid_attrs(cobd_exp, id);
+}
+
+static int cobd_md_rename(struct obd_export *exp, struct mdc_op_data *data,
+ const char *old, int oldlen, const char *new,
+ int newlen, struct ptlrpc_request **request)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_rename(cobd_exp, data, old, oldlen, new, newlen, request);
+}
+
+static int cobd_md_link(struct obd_export *exp, struct mdc_op_data *data,
+ struct ptlrpc_request **request)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_link(cobd_exp, data, request);
+}
+
+static int cobd_md_setattr(struct obd_export *exp, struct mdc_op_data *data,
+ struct iattr *iattr, void *ea, int ealen, void *ea2,
+ int ea2len, struct ptlrpc_request **request)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
- o_get_info: cobd_get_info,
- o_statfs: cobd_statfs,
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_setattr(cobd_exp, data, iattr, ea, ealen, ea2, ea2len, request);
+}
+
+static int cobd_md_readpage(struct obd_export *exp,
+ struct lustre_id *mdc_id,
+ __u64 offset, struct page *page,
+ struct ptlrpc_request **request)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_readpage(cobd_exp, mdc_id, offset, page, request);
+}
+
+static int cobd_md_close(struct obd_export *exp, struct obdo *obdo,
+ struct obd_client_handle *och,
+ struct ptlrpc_request **request)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_close(cobd_exp, obdo, och, request);
+}
+
+static int cobd_md_done_writing(struct obd_export *exp, struct obdo *obdo)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_done_writing(cobd_exp, obdo);
+}
+
+static int cobd_md_sync(struct obd_export *exp, struct lustre_id *id,
+ struct ptlrpc_request **request)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+
+ return md_sync(cobd_exp, id, request);
+}
+
+static int cobd_md_set_open_replay_data(struct obd_export *exp,
+ struct obd_client_handle *och,
+ struct ptlrpc_request *open_req)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+
+ return md_set_open_replay_data(cobd_exp, och, open_req);
+}
+
+static int cobd_md_clear_open_replay_data(struct obd_export *exp,
+ struct obd_client_handle *och)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+
+ return md_clear_open_replay_data(cobd_exp, och);
+}
+
+static int cobd_md_store_inode_generation(struct obd_export *exp,
+ struct ptlrpc_request *req,
+ int reqoff, int repoff)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+
+ return md_store_inode_generation(cobd_exp, req, reqoff, repoff);
+}
+
+static int cobd_md_set_lock_data(struct obd_export *exp, __u64 *l, void *data)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+
+ return md_set_lock_data(cobd_exp, l, data);
+}
+
+static int cobd_md_enqueue(struct obd_export *exp, int lock_type,
+ struct lookup_intent *it, int lock_mode,
+ struct mdc_op_data *data, struct lustre_handle *lockh,
+ void *lmm, int lmmsize,
+ ldlm_completion_callback cb_completion,
+ ldlm_blocking_callback cb_blocking, void *cb_data)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_enqueue(cobd_exp, lock_type, it, lock_mode, data,
+ lockh, lmm, lmmsize, cb_completion, cb_blocking,
+ cb_data);
+}
+
+static int cobd_md_intent_lock(struct obd_export *exp, struct lustre_id *pid,
+ const char *name, int len, void *lmm, int lmmsize,
+ struct lustre_id *cid, struct lookup_intent *it,
+ int lookup_flags, struct ptlrpc_request **reqp,
+ ldlm_blocking_callback cb_blocking)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_intent_lock(cobd_exp, pid, name, len, lmm, lmmsize,
+ cid, it, lookup_flags, reqp, cb_blocking);
+}
+
+static struct obd_device *cobd_md_get_real_obd(struct obd_export *exp,
+ struct lustre_id *id)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return NULL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_get_real_obd(cobd_exp, id);
+}
+
+static int cobd_md_change_cbdata_name(struct obd_export *exp,
+ struct lustre_id *id, char *name,
+ int namelen, struct lustre_id *id2,
+ ldlm_iterator_t it, void *data)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct obd_export *cobd_exp;
+
+ if (obd == NULL) {
+ CERROR("invalid client cookie "LPX64"\n",
+ exp->exp_handle.h_cookie);
+ return -EINVAL;
+ }
+ cobd_exp = cobd_get_exp(obd);
+ return md_change_cbdata_name(cobd_exp, id, name, namelen,
+ id2, it, data);
+}
+static struct obd_ops cobd_obd_ops = {
+ .o_owner = THIS_MODULE,
+ .o_attach = cobd_attach,
+ .o_detach = cobd_detach,
+ .o_setup = cobd_setup,
+ .o_cleanup = cobd_cleanup,
+ .o_connect = cobd_connect,
+ .o_disconnect = cobd_disconnect,
+ .o_set_info = cobd_set_info,
+ .o_get_info = cobd_get_info,
+ .o_statfs = cobd_statfs,
+
+ .o_packmd = cobd_packmd,
+ .o_unpackmd = cobd_unpackmd,
+ .o_create = cobd_create,
+ .o_destroy = cobd_destroy,
+ .o_precleanup = cobd_precleanup,
+ .o_getattr = cobd_getattr,
+ .o_getattr_async = cobd_getattr_async,
+ .o_setattr = cobd_setattr,
+
+ .o_brw = cobd_brw,
+ .o_brw_async = cobd_brw_async,
+ .o_prep_async_page = cobd_prep_async_page,
+ .o_queue_async_io = cobd_queue_async_io,
+ .o_set_async_flags = cobd_set_async_flags,
+ .o_queue_group_io = cobd_queue_group_io,
+ .o_trigger_group_io = cobd_trigger_group_io,
+ .o_teardown_async_page = cobd_teardown_async_page,
+ .o_preprw = cobd_preprw,
+ .o_punch = cobd_punch,
+ .o_sync = cobd_sync,
+ .o_enqueue = cobd_enqueue,
+ .o_match = cobd_match,
+ .o_change_cbdata = cobd_change_cbdata,
+ .o_cancel = cobd_cancel,
+ .o_cancel_unused = cobd_cancel_unused,
+ .o_iocontrol = cobd_iocontrol,
+ .o_commitrw = cobd_commitrw,
+ .o_llog_init = cobd_llog_init,
+ .o_llog_finish = cobd_llog_finish,
+ .o_notify = cobd_notify,
+ .o_pin = cobd_pin,
+ .o_unpin = cobd_unpin,
+ .o_import_event = cobd_import_event,
+ .o_init_ea_size = cobd_init_ea_size,
+};
- o_getattr: cobd_getattr,
- o_open: cobd_open,
- o_close: cobd_close,
- o_preprw: cobd_preprw,
- o_commitrw: cobd_commitrw,
- o_brw: cobd_brw,
- o_iocontrol: cobd_iocontrol,
+struct md_ops cobd_md_ops = {
+ .m_getstatus = cobd_md_getstatus,
+ .m_getattr = cobd_md_getattr,
+ .m_req2lustre_md = cobd_md_req2lustre_md,
+ .m_change_cbdata = cobd_md_change_cbdata,
+ .m_getattr_lock = cobd_md_getattr_lock,
+ .m_create = cobd_md_create,
+ .m_unlink = cobd_md_unlink,
+ .m_valid_attrs = cobd_md_valid_attrs,
+ .m_rename = cobd_md_rename,
+ .m_link = cobd_md_link,
+ .m_setattr = cobd_md_setattr,
+ .m_readpage = cobd_md_readpage,
+ .m_close = cobd_md_close,
+ .m_done_writing = cobd_md_done_writing,
+ .m_sync = cobd_md_sync,
+ .m_set_open_replay_data = cobd_md_set_open_replay_data,
+ .m_clear_open_replay_data = cobd_md_clear_open_replay_data,
+ .m_store_inode_generation = cobd_md_store_inode_generation,
+ .m_set_lock_data = cobd_md_set_lock_data,
+ .m_enqueue = cobd_md_enqueue,
+ .m_get_real_obd = cobd_md_get_real_obd,
+ .m_intent_lock = cobd_md_intent_lock,
+ .m_change_cbdata_name = cobd_md_change_cbdata_name,
};
static int __init cobd_init(void)
struct lprocfs_static_vars lvars;
ENTRY;
- printk(KERN_INFO "Lustre Caching OBD driver; info@clusterfs.com\n");
+ printk(KERN_INFO "Lustre: Caching OBD driver; info@clusterfs.com\n");
- lprocfs_init_vars(&lvars);
- RETURN(class_register_type(&cobd_ops, lvars.module_vars,
- OBD_CACHE_DEVICENAME));
+ lprocfs_init_vars(cobd, &lvars);
+ RETURN(class_register_type(&cobd_obd_ops, &cobd_md_ops,
+ lvars.module_vars, OBD_CACHE_DEVICENAME));
}
-static void __exit cobd_exit(void)
+static void /*__exit*/ cobd_exit(void)
{
- class_unregister_type(OBD_CACHE_DEVICENAME);
+ class_unregister_type(OBD_CACHE_DEVICENAME);
}
MODULE_AUTHOR("Cluster File Systems, Inc. <info@clusterfs.com>");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff