From: wangdi <wangdi>
Date: Tue, 5 Sep 2006 15:41:41 +0000 (+0000)
Subject: Branch: b_new_cmd
X-Git-Tag: v1_8_0_110~486^2~1013
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=9471b695873bb6e48f1a4c91e7407dcbc8a0438e;p=fs%2Flustre-release.git

Branch: b_new_cmd
some fixes about cmm split
---

diff --git a/lustre/cmm/cmm_split.c b/lustre/cmm/cmm_split.c
index 1b4e9e4..537ef80 100644
--- a/lustre/cmm/cmm_split.c
+++ b/lustre/cmm/cmm_split.c
@@ -92,19 +92,24 @@ static int cmm_alloc_fid(const struct lu_context *ctx, struct cmm_device *cmm,
         int rc = 0, i = 0;
         
         LASSERT(count == cmm->cmm_tgt_count);
-        
         /* FIXME: this spin_lock maybe not proper, 
          * because fid_alloc may need RPC */
         spin_lock(&cmm->cmm_tgt_guard);
         list_for_each_entry_safe(mc, tmp, &cmm->cmm_targets,
                                  mc_linkage) {
+                if (cmm->cmm_local_num == mc->mc_num)
+                        continue;
+
                 rc = obd_fid_alloc(mc->mc_desc.cl_exp, &fid[i++], NULL);
-                if (rc) {
+                if (rc < 0) {
                         spin_unlock(&cmm->cmm_tgt_guard);
                         RETURN(rc);
                 }
         }
         spin_unlock(&cmm->cmm_tgt_guard);
+        LASSERT(i + 1 == count);
+        if (rc == 1)
+                rc = 0;
         RETURN(rc);
 }
 
@@ -145,6 +150,7 @@ static int cmm_creat_remote_obj(const struct lu_context *ctx,
                 RETURN(PTR_ERR(obj));
 
         OBD_ALLOC_PTR(spec);
+        spec->u.sp_pfid = fid; 
         rc = mo_object_create(ctx, md_object_next(&obj->cmo_obj), 
                               spec, ma);
         OBD_FREE_PTR(spec);
@@ -162,7 +168,7 @@ static int cmm_create_slave_objects(const struct lu_context *ctx,
         struct lu_fid *lf = cmm2_fid(md2cmm_obj(mo));
         ENTRY;
 
-        lmv_size = cmm_md_size(cmm->cmm_tgt_count + 1);
+        lmv_size = cmm_md_size(cmm->cmm_tgt_count);
 
         /* This lmv will be free after finish splitting. */
         OBD_ALLOC(lmv, lmv_size);
@@ -171,7 +177,7 @@ static int cmm_create_slave_objects(const struct lu_context *ctx,
 
         lmv->mea_master = -1;
         lmv->mea_magic = MEA_MAGIC_ALL_CHARS;
-        lmv->mea_count = cmm->cmm_tgt_count + 1;
+        lmv->mea_count = cmm->cmm_tgt_count;
 
         lmv->mea_ids[0] = *lf;
 
@@ -179,7 +185,7 @@ static int cmm_create_slave_objects(const struct lu_context *ctx,
         if (rc)
                 GOTO(cleanup, rc);
 
-        for (i = 0; i < cmm->cmm_tgt_count; i ++) {
+        for (i = 1; i < cmm->cmm_tgt_count; i ++) {
                 rc = cmm_creat_remote_obj(ctx, cmm, &lmv->mea_ids[i], ma);
                 if (rc)
                         GOTO(cleanup, rc);
@@ -307,13 +313,14 @@ static int cmm_scan_and_split(const struct lu_context *ctx,
         hash_segement = MAX_HASH_SIZE / cmm->cmm_tgt_count;
         for (i = 1; i < cmm->cmm_tgt_count; i++) {
                 struct lu_fid *lf = &ma->ma_lmv->mea_ids[i];
-
+                
                 rdpg->rp_hash = i * hash_segement;
                 rdpg->rp_hash_end = rdpg->rp_hash + hash_segement;
-                rc = cmm_split_entries(ctx, mo, rdpg, lf);
+                rc = cmm_remove_entries(ctx, mo, rdpg);
                 if (rc)
                         GOTO(cleanup, rc);
-                rc = cmm_remove_entries(ctx, mo, rdpg);
+
+                rc = cmm_split_entries(ctx, mo, rdpg, lf);
                 if (rc)
                         GOTO(cleanup, rc);
         }
diff --git a/lustre/cmm/mdc_internal.h b/lustre/cmm/mdc_internal.h
index 13886ed..0141529 100644
--- a/lustre/cmm/mdc_internal.h
+++ b/lustre/cmm/mdc_internal.h
@@ -97,7 +97,7 @@ struct lu_object *mdc_object_alloc(const struct lu_context *,
                                    struct lu_device *);
 #ifdef HAVE_SPLIT_SUPPORT
 int mdc_send_page(const struct lu_context *ctx, struct md_object *mo,
-                  const struct page *page)
+                  struct page *page);
 #endif
 
 #endif /* __KERNEL__ */
diff --git a/lustre/cmm/mdc_object.c b/lustre/cmm/mdc_object.c
index 6394db9..9cd70a2 100644
--- a/lustre/cmm/mdc_object.c
+++ b/lustre/cmm/mdc_object.c
@@ -34,6 +34,7 @@
 #include <obd_support.h>
 #include <lustre_lib.h>
 #include <obd_class.h>
+#include <lustre_mdc.h>
 #include "mdc_internal.h"
 
 static struct md_object_operations mdc_mo_ops;
@@ -245,12 +246,26 @@ static int mdc_ref_del(const struct lu_context *ctx, struct md_object *mo,
 
 #ifdef HAVE_SPLIT_SUPPORT
 int mdc_send_page(const struct lu_context *ctx, struct md_object *mo,
-                  const struct page *page)
+                  struct page *page)
 {
         struct mdc_device *mc = md2mdc_dev(md_obj2dev(mo));
+        struct lu_dirpage *dp;
+        struct lu_dirent  *ent;
         int rc;
         ENTRY;
 
+        kmap(page);
+        dp = page_address(page);
+        for (ent = lu_dirent_start(dp); ent != NULL;
+                          ent = lu_dirent_next(ent)) {
+                /* allocate new fid for each obj */
+                rc = obd_fid_alloc(mc->mc_desc.cl_exp, &ent->lde_fid, NULL);
+                if (rc) {
+                        kunmap(page);
+                        RETURN(rc);
+                }
+        }
+        kunmap(page);
         rc = mdc_sendpage(mc->mc_desc.cl_exp, lu_object_fid(&mo->mo_lu),
                           page);
         RETURN(rc);