#define DEBUG_SUBSYSTEM S_MDS
-#include <linux/module.h>
-#include <ldiskfs/ldiskfs_jbd2.h>
-#include <obd.h>
#include <obd_class.h>
-#include <lustre_ver.h>
-#include <obd_support.h>
#include <lprocfs_status.h>
-
#include <lustre_fid.h>
-#include <ldiskfs/ldiskfs.h>
#include <lustre_mds.h>
-#include <lustre/lustre_idl.h>
#include <lustre_disk.h> /* for changelogs */
#include <lustre_param.h>
#include <lustre_fid.h>
static const char mdd_root_dir_name[] = "ROOT";
static const char mdd_obf_dir_name[] = "fid";
+/* Slab for MDD object allocation */
+cfs_mem_cache_t *mdd_object_kmem;
+
+static struct lu_kmem_descr mdd_caches[] = {
+ {
+ .ckd_cache = &mdd_object_kmem,
+ .ckd_name = "mdd_obj",
+ .ckd_size = sizeof(struct mdd_object)
+ },
+ {
+ .ckd_cache = NULL
+ }
+};
+
static int mdd_device_init(const struct lu_env *env, struct lu_device *d,
const char *name, struct lu_device *next)
{
struct lu_device *d)
{
struct mdd_device *mdd = lu2mdd_dev(d);
- struct lu_device *next = &mdd->mdd_child->dd_lu_dev;
int rc;
rc = mdd_procfs_fini(mdd);
CERROR("proc fini error %d \n", rc);
return ERR_PTR(rc);
}
- return next;
+ return NULL;
}
static void mdd_changelog_fini(const struct lu_env *env,
EXIT;
}
-static int changelog_init_cb(struct llog_handle *llh, struct llog_rec_hdr *hdr,
- void *data)
+static int changelog_init_cb(const struct lu_env *env, struct llog_handle *llh,
+ struct llog_rec_hdr *hdr, void *data)
{
struct mdd_device *mdd = (struct mdd_device *)data;
struct llog_changelog_rec *rec = (struct llog_changelog_rec *)hdr;
RETURN(LLOG_PROC_BREAK);
}
-static int changelog_user_init_cb(struct llog_handle *llh,
- struct llog_rec_hdr *hdr, void *data)
+static int changelog_user_init_cb(const struct lu_env *env,
+ struct llog_handle *llh,
+ struct llog_rec_hdr *hdr, void *data)
{
struct mdd_device *mdd = (struct mdd_device *)data;
struct llog_changelog_user_rec *rec =
return -ENXIO;
/* nested journal transaction */
- rc = llog_add(ctxt, &rec->cr_hdr, NULL, NULL, 0);
+ rc = llog_add(NULL, ctxt, &rec->cr_hdr, NULL, NULL, 0);
llog_ctxt_put(ctxt);
return rc;
return -ENXIO;
/* nested journal transaction */
- rc = llog_add(ctxt, &rec->cr_hdr, NULL, NULL, 0);
+ rc = llog_add(NULL, ctxt, &rec->cr_hdr, NULL, NULL, 0);
llog_ctxt_put(ctxt);
return rc;
* \param endrec
* \retval 0 ok
*/
-int mdd_changelog_llog_cancel(struct mdd_device *mdd, long long endrec)
+int mdd_changelog_llog_cancel(const struct lu_env *env,
+ struct mdd_device *mdd, long long endrec)
{
struct obd_device *obd = mdd2obd_dev(mdd);
struct llog_ctxt *ctxt;
mdd->mdd_cl.mc_starttime = cfs_time_current_64();
/* XXX: transaction is started by llog itself */
- rc = llog_cancel(ctxt, NULL, 1, (struct llog_cookie *)&endrec, 0);
+ rc = llog_cancel(env, ctxt, NULL, 1, (struct llog_cookie *)&endrec, 0);
out:
llog_ctxt_put(ctxt);
return rc;
struct lu_device *lu)
{
struct mdd_device *m = lu2mdd_dev(lu);
- struct lu_device *next = &m->mdd_child->dd_lu_dev;
ENTRY;
LASSERT(cfs_atomic_read(&lu->ld_ref) == 0);
md_device_fini(&m->mdd_md_dev);
OBD_FREE_PTR(m);
- RETURN(next);
+ RETURN(NULL);
}
static struct obd_ops mdd_obd_device_ops = {
rec->cur_endrec = mdd->mdd_cl.mc_index;
cfs_spin_unlock(&mdd->mdd_cl.mc_user_lock);
- rc = llog_add(ctxt, &rec->cur_hdr, NULL, NULL, 0);
+ rc = llog_add(NULL, ctxt, &rec->cur_hdr, NULL, NULL, 0);
CDEBUG(D_IOCTL, "Registered changelog user %d\n", *id);
out:
__u32 mcud_usercount;
int mcud_found:1;
struct mdd_device *mcud_mdd;
- const struct lu_env *mcud_env;
};
#define MCUD_UNREGISTER -1LL
* 1. Find the smallest record everyone is willing to purge
* 2. Update the last purgeable record for this user
*/
-static int mdd_changelog_user_purge_cb(struct llog_handle *llh,
- struct llog_rec_hdr *hdr, void *data)
+static int mdd_changelog_user_purge_cb(const struct lu_env *env,
+ struct llog_handle *llh,
+ struct llog_rec_hdr *hdr, void *data)
{
- struct llog_changelog_user_rec *rec;
- struct mdd_changelog_user_data *mcud =
- (struct mdd_changelog_user_data *)data;
- int rc;
+ struct llog_changelog_user_rec *rec;
+ struct mdd_changelog_user_data *mcud = data;
+ int rc;
+
ENTRY;
LASSERT(llh->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN);
/* XXX This is a workaround for the deadlock of changelog
* adding vs. changelog cancelling. LU-81. */
- th = mdd_trans_create(mcud->mcud_env, mdd);
+ th = mdd_trans_create(env, mdd);
if (IS_ERR(th)) {
CERROR("Cannot get thandle\n");
RETURN(-ENOMEM);
}
- rc = mdd_declare_llog_cancel(mcud->mcud_env, mdd, th);
+ rc = mdd_declare_llog_cancel(env, mdd, th);
if (rc)
GOTO(stop, rc);
- rc = mdd_trans_start(mcud->mcud_env, mdd, th);
+ rc = mdd_trans_start(env, mdd, th);
if (rc)
GOTO(stop, rc);
- rc = llog_cat_cancel_records(llh->u.phd.phd_cat_handle,
- 1, &cookie);
+ rc = llog_cat_cancel_records(env, llh->u.phd.phd_cat_handle,
+ 1, &cookie);
if (rc == 0)
mcud->mcud_usercount--;
stop:
- mdd_trans_stop(mcud->mcud_env, mdd, 0, th);
+ mdd_trans_stop(env, mdd, 0, th);
RETURN(rc);
}
/* hdr+1 is loc of data */
hdr->lrh_len -= sizeof(*hdr) + sizeof(struct llog_rec_tail);
- rc = llog_write_rec(llh, hdr, NULL, 0, (void *)(hdr + 1),
- hdr->lrh_index);
+ rc = llog_write_rec(env, llh, hdr, NULL, 0, (void *)(hdr + 1),
+ hdr->lrh_index);
RETURN(rc);
}
data.mcud_usercount = 0;
data.mcud_endrec = endrec;
data.mcud_mdd = mdd;
- data.mcud_env = env;
cfs_spin_lock(&mdd->mdd_cl.mc_lock);
endrec = mdd->mdd_cl.mc_index;
cfs_spin_unlock(&mdd->mdd_cl.mc_lock);
CDEBUG(D_IOCTL, "Purging changelog entries up to "LPD64
", referenced by "CHANGELOG_USER_PREFIX"%d\n",
data.mcud_minrec, data.mcud_minid);
- rc = mdd_changelog_llog_cancel(mdd, data.mcud_minrec);
+ rc = mdd_changelog_llog_cancel(env, mdd, data.mcud_minrec);
} else {
CWARN("Could not determine changelog records to purge; rc=%d\n",
rc);
static int __init mdd_mod_init(void)
{
struct lprocfs_static_vars lvars;
+ int rc;
+
lprocfs_mdd_init_vars(&lvars);
+ rc = lu_kmem_init(mdd_caches);
+ if (rc)
+ return rc;
+
llo_local_obj_register(&llod_capa_key);
llo_local_obj_register(&llod_mdd_orphan);
llo_local_obj_register(&llod_mdd_root);
llo_local_obj_register(&llod_lfsck_bookmark);
- return class_register_type(&mdd_obd_device_ops, NULL, lvars.module_vars,
- LUSTRE_MDD_NAME, &mdd_device_type);
+ rc = class_register_type(&mdd_obd_device_ops, NULL, lvars.module_vars,
+ LUSTRE_MDD_NAME, &mdd_device_type);
+ if (rc)
+ lu_kmem_fini(mdd_caches);
+ return rc;
}
static void __exit mdd_mod_exit(void)
llo_local_obj_unregister(&llod_lfsck_bookmark);
class_unregister_type(LUSTRE_MDD_NAME);
+ lu_kmem_fini(mdd_caches);
}
MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff