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- landing of b_fid after merge with b_hd_cleanup_merge.
[fs/lustre-release.git] / lustre / obdclass / llog_obd.c
index ea68bb3..7c94552 100644 (file)
 
 #include <linux/obd_class.h>
 #include <linux/lustre_log.h>
+#include <linux/lustre_mds.h>
 #include <portals/list.h>
-#include "llog_internal.h"
 
 /* helper functions for calling the llog obd methods */
 
-int llog_setup(struct obd_device *obd, int index, struct obd_device *disk_obd,
-               int count, struct llog_logid *logid, struct llog_operations *op)
+int obd_llog_setup(struct obd_device *obd, struct obd_llogs *llogs, 
+                   int index, struct obd_device *disk_obd, int count, 
+                   struct llog_logid *logid, struct llog_operations *op)
 {
         int rc = 0;
         struct llog_ctxt *ctxt;
         ENTRY;
 
+        LASSERT(llogs);
+
         if (index < 0 || index >= LLOG_MAX_CTXTS)
                 RETURN(-EFAULT);
 
@@ -40,83 +43,56 @@ int llog_setup(struct obd_device *obd, int index, struct obd_device *disk_obd,
         if (!ctxt)
                 RETURN(-ENOMEM);
 
+        llogs->llog_ctxt[index] = ctxt;
         obd->obd_llog_ctxt[index] = ctxt;
+        ctxt->loc_logops = op;
         ctxt->loc_obd = obd;
-        ctxt->loc_exp = class_export_get(disk_obd->obd_self_export);
+        ctxt->loc_llogs = llogs;
         ctxt->loc_idx = index;
-        ctxt->loc_logops = op;
+        ctxt->loc_alone = 0;
+        ctxt->loc_exp = class_export_get(disk_obd->obd_self_export);
         sema_init(&ctxt->loc_sem, 1);
 
+        if (op->lop_close == llog_lvfs_ops.lop_close) {
+                ctxt->loc_fsops = disk_obd->obd_fsops;
+                ctxt->loc_lvfs_ctxt = &disk_obd->obd_lvfs_ctxt;
+                if (!strcmp(disk_obd->obd_type->typ_name, LUSTRE_MDS_NAME)) {
+                        struct mds_obd *mds = &disk_obd->u.mds;
+                        ctxt->loc_objects_dir = mds->mds_objects_dir;
+                        ctxt->loc_logs_dir = mds->mds_logs_dir;
+                }
+        }
+
         if (op->lop_setup)
-                rc = op->lop_setup(obd, index, disk_obd, count, logid);
-        if (ctxt && rc)
+                rc = op->lop_setup(obd, llogs, index, disk_obd, count, logid);
+        if (ctxt && rc) {
+                obd->obd_llog_ctxt[index] = NULL;
                 OBD_FREE(ctxt, sizeof(*ctxt));
+        }
 
         RETURN(rc);
 }
-EXPORT_SYMBOL(llog_setup);
+EXPORT_SYMBOL(obd_llog_setup);
 
-int llog_cleanup(struct llog_ctxt *ctxt)
+int obd_llog_cleanup(struct llog_ctxt *ctxt)
 {
         int rc = 0;
         ENTRY;
 
-        LASSERT(ctxt);
+        if (ctxt == NULL)
+                RETURN(0);
 
-        if (CTXTP(ctxt, cleanup))
+        if (CTXTP(ctxt, cleanup))  
                 rc = CTXTP(ctxt, cleanup)(ctxt);
-
+                
         ctxt->loc_obd->obd_llog_ctxt[ctxt->loc_idx] = NULL;
+        ctxt->loc_llogs->llog_ctxt[ctxt->loc_idx] = NULL;
         class_export_put(ctxt->loc_exp);
         ctxt->loc_exp = NULL;
         OBD_FREE(ctxt, sizeof(*ctxt));
-
-        RETURN(rc);
-}
-EXPORT_SYMBOL(llog_cleanup);
-
-int llog_sync(struct llog_ctxt *ctxt, struct obd_export *exp)
-{
-        int rc = 0;
-        ENTRY;
-
-        if (!ctxt)
-                RETURN(0);
-
-        if (CTXTP(ctxt, sync))
-                rc = CTXTP(ctxt, sync)(ctxt, exp);
-
-        RETURN(rc);
-}
-EXPORT_SYMBOL(llog_sync);
-
-int llog_add(struct llog_ctxt *ctxt, struct llog_rec_hdr *rec,
-                struct lov_stripe_md *lsm, struct llog_cookie *logcookies,
-                int numcookies)
-{
-        int rc;
-        ENTRY;
-
-        LASSERT(ctxt);
-        CTXT_CHECK_OP(ctxt, add, -EOPNOTSUPP);
-
-        rc = CTXTP(ctxt, add)(ctxt, rec, lsm, logcookies, numcookies);
         RETURN(rc);
 }
-EXPORT_SYMBOL(llog_add);
-
-int llog_cancel(struct llog_ctxt *ctxt, struct lov_stripe_md *lsm,
-                int count, struct llog_cookie *cookies, int flags)
-{
-        int rc;
-        ENTRY;
-
-        LASSERT(ctxt);
-        CTXT_CHECK_OP(ctxt, cancel, -EOPNOTSUPP);
-        rc = CTXTP(ctxt, cancel)(ctxt, lsm, count, cookies, flags);
-        RETURN(rc);
-}
-EXPORT_SYMBOL(llog_cancel);
+EXPORT_SYMBOL(obd_llog_cleanup);
 
 /* callback func for llog_process in llog_obd_origin_setup */
 static int cat_cancel_cb(struct llog_handle *cathandle,
@@ -124,17 +100,16 @@ static int cat_cancel_cb(struct llog_handle *cathandle,
 {
         struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
         struct llog_handle *loghandle;
-        struct llog_log_hdr *llh;
-        int rc, index;
+        int rc;
         ENTRY;
 
-        if (le32_to_cpu(rec->lrh_type) != LLOG_LOGID_MAGIC) {
+        if (rec->lrh_type != LLOG_LOGID_MAGIC) {
                 CERROR("invalid record in catalog\n");
                 RETURN(-EINVAL);
         }
-        CWARN("processing log "LPX64":%x at index %u of catalog "LPX64"\n",
+        CDEBUG(D_HA, "processing log "LPX64":%x at index %u of catalog "LPX64"\n",
                lir->lid_id.lgl_oid, lir->lid_id.lgl_ogen,
-               le32_to_cpu(rec->lrh_index), cathandle->lgh_id.lgl_oid);
+               rec->lrh_index, cathandle->lgh_id.lgl_oid);
 
         rc = llog_cat_id2handle(cathandle, &loghandle, &lir->lid_id);
         if (rc) {
@@ -143,39 +118,21 @@ static int cat_cancel_cb(struct llog_handle *cathandle,
                 RETURN(rc);
         }
 
-        llh = loghandle->lgh_hdr;
-        if ((le32_to_cpu(llh->llh_flags) & LLOG_F_ZAP_WHEN_EMPTY) &&
-            (le32_to_cpu(llh->llh_count) == 1)) {
-                rc = llog_destroy(loghandle);
-                if (rc)
-                        CERROR("failure destroying log in postsetup: %d\n", rc);
-                LASSERT(rc == 0);
-
-                index = loghandle->u.phd.phd_cookie.lgc_index;
-                llog_free_handle(loghandle);
-
-                LASSERT(index);
-                llog_cat_set_first_idx(cathandle, index);
-                rc = llog_cancel_rec(cathandle, index);
-                if (rc == 0)
-                        CWARN("cancel log "LPX64":%x at index %u of catalog "
-                              LPX64"\n", lir->lid_id.lgl_oid,
-                              lir->lid_id.lgl_ogen, le32_to_cpu(rec->lrh_index),
-                              cathandle->lgh_id.lgl_oid);
-        }
+        if (cathandle->lgh_last_idx == loghandle->u.phd.phd_cookie.lgc_index)
+                cathandle->u.chd.chd_current_log = loghandle;
 
         RETURN(rc);
 }
 
 /* lop_setup method for filter/osc */
 // XXX how to set exports
-int llog_obd_origin_setup(struct obd_device *obd, int index,
-                          struct obd_device *disk_obd, int count,
+int llog_obd_origin_setup(struct obd_device *obd, struct obd_llogs *llogs,
+                          int index, struct obd_device *disk_obd, int count,
                           struct llog_logid *logid)
 {
         struct llog_ctxt *ctxt;
         struct llog_handle *handle;
-        struct obd_run_ctxt saved;
+        struct lvfs_run_ctxt saved;
         int rc;
         ENTRY;
 
@@ -184,106 +141,44 @@ int llog_obd_origin_setup(struct obd_device *obd, int index,
 
         LASSERT(count == 1);
 
-        ctxt = llog_get_context(obd, index);
+        ctxt = llog_get_context(llogs, index);
         LASSERT(ctxt);
         llog_gen_init(ctxt);
 
-        if (logid->lgl_oid)
-                rc = llog_create(ctxt, &handle, logid, NULL);
-        else {
-                rc = llog_create(ctxt, &handle, NULL, NULL);
+        if (logid->lgl_oid) {
+                rc = llog_open(ctxt, &handle, logid, NULL, 0);
+        else {
+                rc = llog_open(ctxt, &handle, NULL, NULL, 0);
                 if (!rc)
                         *logid = handle->lgh_id;
         }
         if (rc)
-                GOTO(out, rc);
+                RETURN(rc);
 
         ctxt->loc_handle = handle;
-        push_ctxt(&saved, &disk_obd->obd_ctxt, NULL);
+        push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
         rc = llog_init_handle(handle, LLOG_F_IS_CAT, NULL);
-        pop_ctxt(&saved, &disk_obd->obd_ctxt, NULL);
+        pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
         if (rc)
-                GOTO(out, rc);
+                RETURN(rc);
 
         rc = llog_process(handle, (llog_cb_t)cat_cancel_cb, NULL, NULL);
         if (rc)
                 CERROR("llog_process with cat_cancel_cb failed: %d\n", rc);
- out:
+
         if (ctxt && rc) {
-                obd->obd_llog_ctxt[index] = NULL;
+                llogs->llog_ctxt[index] = NULL;
                 OBD_FREE(ctxt, sizeof(*ctxt));
         }
         RETURN(rc);
 }
 EXPORT_SYMBOL(llog_obd_origin_setup);
 
-int llog_obd_origin_cleanup(struct llog_ctxt *ctxt)
+int obd_llog_cat_initialize(struct obd_device *obd, struct obd_llogs *llogs, 
+                            int count, const char *name)
 {
-        struct llog_handle *cathandle, *n, *loghandle;
-        struct llog_log_hdr *llh;
-        int rc, index;
-        ENTRY;
-
-        if (!ctxt)
-                return 0;
-
-        cathandle = ctxt->loc_handle;
-        if (cathandle) {
-                list_for_each_entry_safe(loghandle, n,
-                                         &cathandle->u.chd.chd_head,
-                                         u.phd.phd_entry) {
-                        llh = loghandle->lgh_hdr;
-                        if ((le32_to_cpu(llh->llh_flags) &
-                                LLOG_F_ZAP_WHEN_EMPTY) &&
-                            (le32_to_cpu(llh->llh_count) == 1)) {
-                                rc = llog_destroy(loghandle);
-                                if (rc)
-                                        CERROR("failure destroying log during "
-                                               "cleanup: %d\n", rc);
-                                LASSERT(rc == 0);
-
-                                index = loghandle->u.phd.phd_cookie.lgc_index;
-                                llog_free_handle(loghandle);
-
-                                LASSERT(index);
-                                llog_cat_set_first_idx(cathandle, index);
-                                rc = llog_cancel_rec(cathandle, index);
-                                if (rc == 0)
-                                        CWARN("cancel plain log at index %u "
-                                              "of catalog "LPX64"\n",
-                                              index, cathandle->lgh_id.lgl_oid);
-                        }
-                }
-                llog_cat_put(ctxt->loc_handle);
-        }
-        return 0;
-}
-EXPORT_SYMBOL(llog_obd_origin_cleanup);
-
-
-/* add for obdfilter/sz and mds/unlink */
-int llog_obd_origin_add(struct llog_ctxt *ctxt,
-                        struct llog_rec_hdr *rec, struct lov_stripe_md *lsm,
-                        struct llog_cookie *logcookies, int numcookies)
-{
-        struct llog_handle *cathandle;
-        int rc;
-        ENTRY;
-
-        cathandle = ctxt->loc_handle;
-        LASSERT(cathandle != NULL);
-        rc = llog_cat_add_rec(cathandle, rec, logcookies, NULL);
-        if (rc != 1)
-                CERROR("write one catalog record failed: %d\n", rc);
-        RETURN(rc);
-}
-EXPORT_SYMBOL(llog_obd_origin_add);
-
-int llog_cat_initialize(struct obd_device *obd, int count)
-{
-        struct llog_logid *idarray;
+        struct llog_catid *idarray;
         int size = sizeof(*idarray) * count;
-        char name[32] = "CATLIST";
         int rc;
         ENTRY;
 
@@ -291,21 +186,21 @@ int llog_cat_initialize(struct obd_device *obd, int count)
         if (!idarray)
                 RETURN(-ENOMEM);
 
-        memset(idarray, 0, size);
-
-        rc = llog_get_cat_list(obd, obd, name, count, idarray);
+        rc = llog_get_cat_list(&obd->obd_lvfs_ctxt, obd->obd_fsops,
+                               name, count, idarray);
         if (rc) {
                 CERROR("rc: %d\n", rc);
                 GOTO(out, rc);
         }
 
-        rc = obd_llog_init(obd, obd, count, idarray);
+        rc = obd_llog_init(obd, llogs, obd, count, idarray);
         if (rc) {
                 CERROR("rc: %d\n", rc);
                 GOTO(out, rc);
         }
 
-        rc = llog_put_cat_list(obd, obd, name, count, idarray);
+        rc = llog_put_cat_list(&obd->obd_lvfs_ctxt, obd->obd_fsops,
+                               name, count, idarray);
         if (rc) {
                 CERROR("rc: %d\n", rc);
                 GOTO(out, rc);
@@ -315,29 +210,30 @@ int llog_cat_initialize(struct obd_device *obd, int count)
         OBD_FREE(idarray, size);
         RETURN(rc);
 }
-EXPORT_SYMBOL(llog_cat_initialize);
+EXPORT_SYMBOL(obd_llog_cat_initialize);
 
-int obd_llog_init(struct obd_device *obd, struct obd_device *disk_obd,
-                  int count, struct llog_logid *logid)
+int obd_llog_init(struct obd_device *obd, struct obd_llogs *llogs,
+                  struct obd_device *disk_obd, int count,
+                  struct llog_catid *logid)
 {
         int rc;
         ENTRY;
         OBD_CHECK_OP(obd, llog_init, 0);
         OBD_COUNTER_INCREMENT(obd, llog_init);
 
-        rc = OBP(obd, llog_init)(obd, disk_obd, count, logid);
+        rc = OBP(obd, llog_init)(obd, llogs, disk_obd, count, logid);
         RETURN(rc);
 }
 EXPORT_SYMBOL(obd_llog_init);
 
-int obd_llog_finish(struct obd_device *obd, int count)
+int obd_llog_finish(struct obd_device *obd, struct obd_llogs *llogs, int count)
 {
         int rc;
         ENTRY;
         OBD_CHECK_OP(obd, llog_finish, 0);
         OBD_COUNTER_INCREMENT(obd, llog_finish);
 
-        rc = OBP(obd, llog_finish)(obd, count);
+        rc = OBP(obd, llog_finish)(obd, llogs, count);
         RETURN(rc);
 }
 EXPORT_SYMBOL(obd_llog_finish);