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afs: Retain more of the VLDB record for alias detection

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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>
This commit is contained in:
David Howells 2020-04-27 13:42:53 +01:00
parent 3120c170ef
commit 194d28cf19
2 changed files with 5 additions and 1 deletions
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3
fs/afs/internal.h
View file

@ -546,7 +546,7 @@ struct afs_cb_interest {
}; };
/* /*
* Replaceable server list. * Replaceable volume server list.
*/ */
struct afs_server_entry { struct afs_server_entry {
struct afs_server *server; struct afs_server *server;
@ -554,6 +554,7 @@ struct afs_server_entry {
}; };
struct afs_server_list { struct afs_server_list {
afs_volid_t vids[AFS_MAXTYPES]; /* Volume IDs */
refcount_t usage; refcount_t usage;
unsigned char nr_servers; unsigned char nr_servers;
unsigned char preferred; /* Preferred server */ unsigned char preferred; /* Preferred server */

3
fs/afs/server_list.c
View file

@ -46,6 +46,9 @@ struct afs_server_list *afs_alloc_server_list(struct afs_cell *cell,
refcount_set(&slist->usage, 1); refcount_set(&slist->usage, 1);
rwlock_init(&slist->lock); 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. */ /* Make sure a records exists for each server in the list. */
for (i = 0; i < vldb->nr_servers; i++) { for (i = 0; i < vldb->nr_servers; i++) {
if (!(vldb->fs_mask[i] & type_mask)) if (!(vldb->fs_mask[i] & type_mask))