afs: Retain more of the VLDB record for alias detection

Save more bits from the volume location database record obtained for a
server so that we can use this information in cell alias detection.

Signed-off-by: David Howells <dhowells@redhat.com>

diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 9f024c1..dce03e0 100644 (file)
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -546,7 +546,7 @@ struct afs_cb_interest {
 };
 
 /*
- * Replaceable server list.
+ * Replaceable volume server list.
  */
 struct afs_server_entry {
        struct afs_server       *server;
@@ -554,6 +554,7 @@ struct afs_server_entry {
 };
 
 struct afs_server_list {
+       afs_volid_t             vids[AFS_MAXTYPES]; /* Volume IDs */
        refcount_t              usage;
        unsigned char           nr_servers;
        unsigned char           preferred;      /* Preferred server */

diff --git a/fs/afs/server_list.c b/fs/afs/server_list.c
index b77e50f..a35f695 100644 (file)
--- a/fs/afs/server_list.c
+++ b/fs/afs/server_list.c
@@ -46,6 +46,9 @@ struct afs_server_list *afs_alloc_server_list(struct afs_cell *cell,
        refcount_set(&slist->usage, 1);
        rwlock_init(&slist->lock);
 
+       for (i = 0; i < AFS_MAXTYPES; i++)
+               slist->vids[i] = vldb->vid[i];
+
        /* Make sure a records exists for each server in the list. */
        for (i = 0; i < vldb->nr_servers; i++) {
                if (!(vldb->fs_mask[i] & type_mask))