#include <linux/module.h>
#include <linux/lustre_mds.h>
+#include <linux/obd_ost.h>
#include <linux/lustre_idl.h>
#include <linux/obd_class.h>
#include <linux/obd_lov.h>
RETURN(rc);
}
-static int mds_lov_clearorphans(struct mds_obd *mds, struct obd_uuid *ost_uuid)
+int mds_lov_clearorphans(struct mds_obd *mds, struct obd_uuid *ost_uuid)
{
int rc;
struct obdo oa;
rc = obd_set_info(mds->mds_osc_exp, strlen("next_id"), "next_id",
mds->mds_lov_desc.ld_tgt_count, mds->mds_lov_objids);
- if (rc < 0)
- GOTO(out, rc);
-
- rc = mds_lov_clearorphans(mds, NULL /* all OSTs */);
-
-out:
RETURN(rc);
}
RETURN(rc);
}
+static int mds_lov_update_desc(struct obd_device *obd, struct obd_export *lov)
+{
+ struct mds_obd *mds = &obd->u.mds;
+ int valsize = sizeof(mds->mds_lov_desc), rc, i;
+ ENTRY;
+
+ rc = obd_get_info(lov, strlen("lovdesc") + 1, "lovdesc", &valsize,
+ &mds->mds_lov_desc);
+ if (rc)
+ RETURN(rc);
+
+ i = lov_mds_md_size(mds->mds_lov_desc.ld_tgt_count);
+ if (i > mds->mds_max_mdsize)
+ mds->mds_max_mdsize = i;
+ mds->mds_max_cookiesize = mds->mds_lov_desc.ld_tgt_count *
+ sizeof(struct llog_cookie);
+ mds->mds_has_lov_desc = 1;
+ RETURN(0);
+}
+
int mds_lov_connect(struct obd_device *obd, char * lov_name)
{
struct mds_obd *mds = &obd->u.mds;
struct lustre_handle conn = {0,};
char name[32] = "CATLIST";
- int valsize, rc, i;
+ int rc, i, valsize;
__u32 group;
ENTRY;
RETURN(-ENOTCONN);
}
+ CDEBUG(D_HA, "obd: %s osc: %s lov_name: %s\n",
+ obd->obd_name, mds->mds_osc_obd->obd_name, lov_name);
+
rc = obd_connect(&conn, mds->mds_osc_obd, &obd->obd_uuid);
if (rc) {
CERROR("MDS cannot connect to LOV %s (%d)\n",
GOTO(err_discon, rc);
}
- valsize = sizeof(mds->mds_lov_desc);
- rc = obd_get_info(mds->mds_osc_exp, strlen("lovdesc") + 1, "lovdesc",
- &valsize, &mds->mds_lov_desc);
+ rc = mds_lov_update_desc(obd, mds->mds_osc_exp);
if (rc)
GOTO(err_reg, rc);
- i = lov_mds_md_size(mds->mds_lov_desc.ld_tgt_count);
- if (i > mds->mds_max_mdsize)
- mds->mds_max_mdsize = i;
- mds->mds_max_cookiesize = mds->mds_lov_desc.ld_tgt_count*
- sizeof(struct llog_cookie);
- mds->mds_has_lov_desc = 1;
rc = mds_lov_read_objids(obd);
if (rc) {
CERROR("cannot read %s: rc = %d\n", "lov_objids", rc);
* set_nextid(). The class driver can help us here, because
* it can use the obd_recovering flag to determine when the
* the OBD is full available. */
- if (!obd->obd_recovering) {
- struct llog_ctxt *ctxt;
- ctxt = llog_get_context(&obd->obd_llogs, LLOG_UNLINK_ORIG_CTXT);
- rc = llog_connect(ctxt, obd->u.mds.mds_lov_desc.ld_tgt_count,
- NULL, NULL, NULL);
- if (rc != 0)
- CERROR("faild at llog_origin_connect: %d\n", rc);
-
- rc = mds_cleanup_orphans(obd);
- if (rc > 0)
- CERROR("Cleanup %d orphans while MDS isn't recovering\n", rc);
-
- rc = mds_lov_set_nextid(obd);
- if (rc)
- GOTO(err_llog, rc);
- }
+ if (!obd->obd_recovering)
+ rc = mds_postrecov(obd);
RETURN(rc);
-err_llog:
- /* cleanup all llogging subsystems */
- rc = obd_llog_finish(obd, &obd->obd_llogs,
- mds->mds_lov_desc.ld_tgt_count);
- if (rc)
- CERROR("failed to cleanup llogging subsystems\n");
err_reg:
obd_register_observer(mds->mds_osc_obd, NULL);
err_discon:
struct obd_ioctl_data *data = karg;
struct lvfs_run_ctxt saved;
int rc = 0;
+ ENTRY;
switch (cmd) {
case OBD_IOC_RECORD: {
RETURN(-EBUSY);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_create(llog_get_context(&obd->obd_llogs,
- LLOG_CONFIG_ORIG_CTXT),
- &mds->mds_cfg_llh, NULL, name);
+ rc = llog_open(llog_get_context(&obd->obd_llogs,
+ LLOG_CONFIG_ORIG_CTXT),
+ &mds->mds_cfg_llh, NULL, name,
+ OBD_LLOG_FL_CREATE);
if (rc == 0)
llog_init_handle(mds->mds_cfg_llh, LLOG_F_IS_PLAIN,
&cfg_uuid);
RETURN(-EBUSY);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_create(llog_get_context(&obd->obd_llogs,
- LLOG_CONFIG_ORIG_CTXT),
- &mds->mds_cfg_llh, NULL, name);
+ rc = llog_open(llog_get_context(&obd->obd_llogs,
+ LLOG_CONFIG_ORIG_CTXT),
+ &mds->mds_cfg_llh, NULL, name,
+ OBD_LLOG_FL_CREATE);
if (rc == 0) {
llog_init_handle(mds->mds_cfg_llh, LLOG_F_IS_PLAIN,
NULL);
-
+
rc = llog_destroy(mds->mds_cfg_llh);
llog_free_handle(mds->mds_cfg_llh);
}
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
+
mds->mds_cfg_llh = NULL;
RETURN(rc);
}
if (!mds->mds_cfg_llh)
RETURN(-EBADF);
+ /* XXX - this probably should be a parameter to this ioctl.
+ * For now, just use llh_max_transno for expediency. */
rec.lrh_len = llog_data_len(data->ioc_plen1);
if (data->ioc_type == LUSTRE_CFG_TYPE) {
OBD_FREE(cfg_buf, data->ioc_plen1);
RETURN(rc);
}
-
+ case OBD_IOC_SNAP_ADD: {
+ char *name = data->ioc_inlbuf1;
+ if (name) {
+ rc = fsfilt_set_snap_item(obd, mds->mds_sb, name);
+ }
+ RETURN(rc);
+ }
case OBD_IOC_PARSE: {
struct llog_ctxt *ctxt =
llog_get_context(&obd->obd_llogs, LLOG_CONFIG_ORIG_CTXT);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = class_config_parse_llog(ctxt, data->ioc_inlbuf1, NULL);
+ rc = class_config_process_llog(ctxt, data->ioc_inlbuf1, NULL);
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
if (rc)
RETURN(rc);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
rc = class_config_dump_llog(ctxt, data->ioc_inlbuf1, NULL);
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- if (rc)
- RETURN(rc);
RETURN(rc);
}
handle = fsfilt_start(obd, inode, FSFILT_OP_MKNOD, NULL);
LASSERT(handle);
- rc = fsfilt_commit(obd, inode, handle, 1);
+ rc = fsfilt_commit(obd, obd->u.mds.mds_sb, inode, handle, 1);
dev_set_rdonly(ll_sbdev(obd->u.mds.mds_sb), 2);
RETURN(0);
RETURN(-EINVAL);
}
RETURN(0);
+
+}
+
+struct mds_lov_sync_info {
+ struct obd_device *mlsi_obd; /* the lov device to sync */
+ struct obd_uuid *mlsi_uuid; /* target to sync */
+};
+
+int mds_lov_synchronize(void *data)
+{
+ struct mds_lov_sync_info *mlsi = data;
+ struct llog_ctxt *ctxt;
+ struct obd_device *obd;
+ struct obd_uuid *uuid;
+ unsigned long flags;
+ int rc;
+ int valsize;
+ __u32 group;
+
+ lock_kernel();
+ ptlrpc_daemonize();
+ snprintf (current->comm, sizeof (current->comm), "%s", "mds_lov_sync");
+
+ SIGNAL_MASK_LOCK(current, flags);
+ sigfillset(¤t->blocked);
+ RECALC_SIGPENDING;
+ SIGNAL_MASK_UNLOCK(current, flags);
+
+ obd = mlsi->mlsi_obd;
+ uuid = mlsi->mlsi_uuid;
+
+ OBD_FREE(mlsi, sizeof(*mlsi));
+
+
+ LASSERT(obd != NULL);
+ LASSERT(uuid != NULL);
+
+ group = FILTER_GROUP_FIRST_MDS + obd->u.mds.mds_num;
+ valsize = sizeof(group);
+ rc = obd_set_info(obd->u.mds.mds_osc_exp, strlen("mds_conn"),
+ "mds_conn", valsize, &group);
+ if (rc != 0) {
+ CERROR("obd_set_info(mds_conn) failed %d\n", rc);
+ RETURN(rc);
+ }
+
+ ctxt = llog_get_context(&obd->obd_llogs, LLOG_UNLINK_ORIG_CTXT);
+ LASSERT(ctxt != NULL);
+
+ rc = llog_connect(ctxt, obd->u.mds.mds_lov_desc.ld_tgt_count,
+ NULL, NULL, uuid);
+ if (rc != 0) {
+ CERROR("%s: failed at llog_origin_connect: %d\n",
+ obd->obd_name, rc);
+ RETURN(rc);
+ }
+
+ CWARN("MDS %s: %s now active, resetting orphans\n",
+ obd->obd_name, uuid->uuid);
+ rc = mds_lov_clearorphans(&obd->u.mds, uuid);
+ if (rc != 0) {
+ CERROR("%s: failed at mds_lov_clearorphans: %d\n",
+ obd->obd_name, rc);
+ RETURN(rc);
+ }
+
+ RETURN(0);
+}
+
+int mds_lov_start_synchronize(struct obd_device *obd, struct obd_uuid *uuid)
+{
+ struct mds_lov_sync_info *mlsi;
+ int rc;
+
+ ENTRY;
+
+ OBD_ALLOC(mlsi, sizeof(*mlsi));
+ if (mlsi == NULL)
+ RETURN(-ENOMEM);
+
+ mlsi->mlsi_obd = obd;
+ mlsi->mlsi_uuid = uuid;
+
+ rc = kernel_thread(mds_lov_synchronize, mlsi, CLONE_VM | CLONE_FILES);
+ if (rc < 0)
+ CERROR("%s: error starting mds_lov_synchronize: %d\n",
+ obd->obd_name, rc);
+ else {
+ CDEBUG(D_HA, "%s: mds_lov_synchronize thread: %d\n",
+ obd->obd_name, rc);
+ rc = 0;
+ }
+
+ RETURN(rc);
}
int mds_notify(struct obd_device *obd, struct obd_device *watched, int active)
if (!active)
RETURN(0);
- if (strcmp(watched->obd_type->typ_name, "osc")) {
+ if (strcmp(watched->obd_type->typ_name, LUSTRE_OSC_NAME)) {
CERROR("unexpected notification of %s %s!\n",
watched->obd_type->typ_name, watched->obd_name);
RETURN(-EINVAL);
CWARN("MDS %s: in recovery, not resetting orphans on %s\n",
obd->obd_name, uuid->uuid);
} else {
- struct llog_ctxt *ctxt;
+ rc = mds_lov_start_synchronize(obd, uuid);
+ }
+ RETURN(rc);
+}
- ctxt = llog_get_context(&obd->obd_llogs, LLOG_UNLINK_ORIG_CTXT);
- LASSERT(ctxt != NULL);
+int mds_set_info(struct obd_export *exp, obd_count keylen,
+ void *key, obd_count vallen, void *val)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct mds_obd *mds = &obd->u.mds;
+ ENTRY;
- rc = obd_set_info(obd->u.mds.mds_osc_exp, strlen("mds_conn"),
- "mds_conn", 0, uuid);
- if (rc != 0)
- RETURN(rc);
+#define KEY_IS(str) \
+ (keylen == strlen(str) && memcmp(key, str, keylen) == 0)
- ctxt = llog_get_context(&obd->obd_llogs, LLOG_UNLINK_ORIG_CTXT);
- rc = llog_connect(ctxt, obd->u.mds.mds_lov_desc.ld_tgt_count,
- NULL, NULL, uuid);
- if (rc != 0) {
- CERROR("faild at llog_origin_connect: %d\n", rc);
- RETURN(rc);
+ if (KEY_IS("next_id")) {
+ obd_id *id = (obd_id *)val;
+ int idx, rc;
+
+ /* XXX - this really should be vallen != (2 * sizeof(*id)) *
+ * Just following the precedent set by lov_set_info. */
+ if (vallen != 2)
+ RETURN(-EINVAL);
+
+ if ((idx = *id) != *id)
+ RETURN(-EINVAL);
+
+ CDEBUG(D_CONFIG, "idx: %d id: %llu\n", idx, *(id + 1));
+
+ /* The size of the LOV target table may have increased. */
+ if (idx >= mds->mds_lov_desc.ld_tgt_count) {
+ obd_id *ids;
+ int oldsize, size;
+
+ oldsize = mds->mds_lov_desc.ld_tgt_count * sizeof(*ids);
+ rc = mds_lov_update_desc(obd, mds->mds_osc_exp);
+ if (rc)
+ RETURN(rc);
+ if (idx >= mds->mds_lov_desc.ld_tgt_count)
+ RETURN(-EINVAL);
+ size = mds->mds_lov_desc.ld_tgt_count * sizeof(*ids);
+ OBD_ALLOC(ids, size);
+ if (ids == NULL)
+ RETURN(-ENOMEM);
+ memset(ids, 0, size);
+ if (mds->mds_lov_objids != NULL) {
+ memcpy(ids, mds->mds_lov_objids, oldsize);
+ OBD_FREE(mds->mds_lov_objids, oldsize);
+ }
+ mds->mds_lov_objids = ids;
}
- CWARN("MDS %s: %s now active, resetting orphans\n",
- obd->obd_name, uuid->uuid);
- rc = mds_lov_clearorphans(&obd->u.mds, uuid);
+ mds->mds_lov_objids[idx] = *++id;
+ CDEBUG(D_CONFIG, "objid: %d: %lld\n", idx, *id);
+ /* XXX - should we be writing this out here ? */
+ RETURN(mds_lov_write_objids(obd));
}
+
+ RETURN(-EINVAL);
+}
+
+int mds_lov_update_config(struct obd_device *obd, int clean)
+{
+ struct mds_obd *mds = &obd->u.mds;
+ struct lvfs_run_ctxt saved;
+ struct config_llog_instance cfg;
+ struct llog_ctxt *ctxt;
+ char *profile = mds->mds_profile, *name;
+ int rc, version, namelen;
+ ENTRY;
+
+ if (profile == NULL)
+ RETURN(0);
+
+ cfg.cfg_instance = NULL;
+ cfg.cfg_uuid = mds->mds_lov_uuid;
+
+ namelen = strlen(profile) + 20; /* -clean-######### */
+ OBD_ALLOC(name, namelen);
+ if (name == NULL)
+ RETURN(-ENOMEM);
+
+ if (clean) {
+ version = mds->mds_config_version - 1;
+ sprintf(name, "%s-clean-%d", profile, version);
+ } else {
+ version = mds->mds_config_version + 1;
+ sprintf(name, "%s-%d", profile, version);
+ }
+
+ CWARN("Applying configuration log %s\n", name);
+
+ push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
+ ctxt = llog_get_context(&obd->obd_llogs, LLOG_CONFIG_ORIG_CTXT);
+ rc = class_config_process_llog(ctxt, name, &cfg);
+ pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
+ if (rc == 0) {
+ mds->mds_config_version = version;
+ rc = mds_lov_update_desc(obd, mds->mds_osc_exp);
+ }
+ CWARN("Finished applying configuration log %s: %d\n", name, rc);
+
+ OBD_FREE(name, namelen);
RETURN(rc);
}
rc = fsfilt_set_md(obd, inode, handle, lmm, lmm_size);
- err = fsfilt_commit(obd, inode, handle, 0);
+ err = fsfilt_commit(obd, obd->u.mds.mds_sb, inode, handle, 0);
if (!rc)
rc = err ? err : lmm_size;
GOTO(conv_free, rc);
conv_end:
return rc;
}
+
+/* Must be called with i_sem held */
+int mds_revalidate_lov_ea(struct obd_device *obd, struct inode *inode,
+ struct lustre_msg *msg, int offset)
+{
+ struct mds_obd *mds = &obd->u.mds;
+ struct obd_export *osc_exp = mds->mds_osc_exp;
+ struct lov_mds_md *lmm= NULL;
+ struct lov_stripe_md *lsm = NULL;
+ struct obdo *oa;
+ struct obd_trans_info oti = {0};
+ unsigned valid = 0;
+ int lmm_size = 0, lsm_size = 0, err, rc;
+ void *handle;
+ ENTRY;
+
+ LASSERT(down_trylock(&inode->i_sem) != 0);
+
+ /* XXX - add way to know if EA is already up to date & return
+ * without doing anything. Easy to do since we get notified of
+ * LOV updates. */
+
+ lmm = lustre_msg_buf(msg, offset, 0);
+ if (lmm == NULL) {
+ CDEBUG(D_INFO, "no space reserved for inode %lu MD\n",
+ inode->i_ino);
+ RETURN(0);
+ }
+ lmm_size = msg->buflens[offset];
+
+ rc = obd_unpackmd(osc_exp, &lsm, lmm, lmm_size);
+ if (rc < 0)
+ RETURN(0);
+
+ lsm_size = rc;
+
+ LASSERT(lsm->lsm_magic == LOV_MAGIC);
+
+ oa = obdo_alloc();
+ if (oa == NULL)
+ GOTO(out_lsm, rc = -ENOMEM);
+ oa->o_mode = S_IFREG | 0600;
+ oa->o_id = inode->i_ino;
+ oa->o_generation = inode->i_generation;
+ oa->o_uid = 0; /* must have 0 uid / gid on OST */
+ oa->o_gid = 0;
+
+ oa->o_valid = OBD_MD_FLID | OBD_MD_FLGENER | OBD_MD_FLTYPE |
+ OBD_MD_FLMODE | OBD_MD_FLUID | OBD_MD_FLGID;
+ valid = OBD_MD_FLTYPE | OBD_MD_FLATIME | OBD_MD_FLMTIME |
+ OBD_MD_FLCTIME;
+ obdo_from_inode(oa, inode, valid);
+
+ rc = obd_revalidate_md(osc_exp, oa, lsm, &oti);
+ if (rc == 0)
+ GOTO(out_oa, rc);
+ if (rc < 0) {
+ CERROR("Error validating LOV EA on %lu/%u: %d\n",
+ inode->i_ino, inode->i_generation, rc);
+ GOTO(out_oa, rc);
+ }
+
+ rc = obd_packmd(osc_exp, &lmm, lsm);
+ if (rc < 0)
+ GOTO(out_oa, rc);
+ lmm_size = rc;
+
+ handle = fsfilt_start(obd, inode, FSFILT_OP_SETATTR, NULL);
+ if (IS_ERR(handle)) {
+ rc = PTR_ERR(handle);
+ GOTO(out_oa, rc);
+ }
+
+ rc = fsfilt_set_md(obd, inode, handle, lmm, lmm_size);
+ err = fsfilt_commit(obd, inode->i_sb, inode, handle, 0);
+ if (!rc)
+ rc = err;
+out_oa:
+ obdo_free(oa);
+out_lsm:
+ obd_free_memmd(osc_exp, &lsm);
+ RETURN(rc);
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff