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authorDavid Howells <dhowells@redhat.com>2018-10-20 00:57:57 +0100
committerDavid Howells <dhowells@redhat.com>2018-10-24 00:41:07 +0100
commit0a5143f2f89cc88d8a3eada8e8ccd86c1e988257 (patch)
tree249b578b9fd7a79f7b52d4534a0e9ba4cc5b8cc9 /fs/afs/dynroot.c
parente7f680f45bd1deb4ca479c2348b395e1a4d44b17 (diff)
afs: Implement VL server rotation
Track VL servers as independent entities rather than lumping all their addresses together into one set and implement server-level rotation by: (1) Add the concept of a VL server list, where each server has its own separate address list. This code is similar to the FS server list. (2) Use the DNS resolver to retrieve a set of servers and their associated addresses, ports, preference and weight ratings. (3) In the case of a legacy DNS resolver or an address list given directly through /proc/net/afs/cells, create a list containing just a dummy server record and attach all the addresses to that. (4) Implement a simple rotation policy, for the moment ignoring the priorities and weights assigned to the servers. (5) Show the address list through /proc/net/afs/<cell>/vlservers. This also displays the source and status of the data as indicated by the upcall. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/afs/dynroot.c')
-rw-r--r--fs/afs/dynroot.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/afs/dynroot.c b/fs/afs/dynroot.c
index f29c6dade7f6..0efed0a63080 100644
--- a/fs/afs/dynroot.c
+++ b/fs/afs/dynroot.c
@@ -46,7 +46,7 @@ static int afs_probe_cell_name(struct dentry *dentry)
return 0;
}
- ret = dns_query("afsdb", name, len, "", NULL, NULL);
+ ret = dns_query("afsdb", name, len, "srv=1", NULL, NULL);
if (ret == -ENODATA)
ret = -EDESTADDRREQ;
return ret;