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-rw-r--r--fs/afs/addr_list.c13
-rw-r--r--fs/afs/rotate.c20
-rw-r--r--fs/afs/server_list.c3
-rw-r--r--fs/afs/vlclient.c10
-rw-r--r--fs/afs/volume.c47
5 files changed, 30 insertions, 63 deletions
diff --git a/fs/afs/addr_list.c b/fs/afs/addr_list.c
index a537368ba0db..fd9f28b8a933 100644
--- a/fs/afs/addr_list.c
+++ b/fs/afs/addr_list.c
@@ -332,11 +332,18 @@ bool afs_iterate_addresses(struct afs_addr_cursor *ac)
*/
int afs_end_cursor(struct afs_addr_cursor *ac)
{
- if (ac->responded && ac->index != ac->start)
- WRITE_ONCE(ac->alist->index, ac->index);
+ struct afs_addr_list *alist;
+
+ alist = ac->alist;
+ if (alist) {
+ if (ac->responded && ac->index != ac->start)
+ WRITE_ONCE(alist->index, ac->index);
+ afs_put_addrlist(alist);
+ }
- afs_put_addrlist(ac->alist);
+ ac->addr = NULL;
ac->alist = NULL;
+ ac->begun = false;
return ac->error;
}
diff --git a/fs/afs/rotate.c b/fs/afs/rotate.c
index d04511fb3879..892a4904fd77 100644
--- a/fs/afs/rotate.c
+++ b/fs/afs/rotate.c
@@ -334,6 +334,7 @@ start:
next_server:
_debug("next");
+ afs_end_cursor(&fc->ac);
afs_put_cb_interest(afs_v2net(vnode), fc->cbi);
fc->cbi = NULL;
fc->index++;
@@ -383,6 +384,7 @@ use_server:
afs_get_addrlist(alist);
read_unlock(&server->fs_lock);
+ memset(&fc->ac, 0, sizeof(fc->ac));
/* Probe the current fileserver if we haven't done so yet. */
if (!test_bit(AFS_SERVER_FL_PROBED, &server->flags)) {
@@ -397,11 +399,8 @@ use_server:
else
afs_put_addrlist(alist);
- fc->ac.addr = NULL;
fc->ac.start = READ_ONCE(alist->index);
fc->ac.index = fc->ac.start;
- fc->ac.error = 0;
- fc->ac.begun = false;
goto iterate_address;
iterate_address:
@@ -410,16 +409,15 @@ iterate_address:
/* Iterate over the current server's address list to try and find an
* address on which it will respond to us.
*/
- if (afs_iterate_addresses(&fc->ac)) {
- _leave(" = t");
- return true;
- }
+ if (!afs_iterate_addresses(&fc->ac))
+ goto next_server;
- afs_end_cursor(&fc->ac);
- goto next_server;
+ _leave(" = t");
+ return true;
failed:
fc->flags |= AFS_FS_CURSOR_STOP;
+ afs_end_cursor(&fc->ac);
_leave(" = f [failed %d]", fc->ac.error);
return false;
}
@@ -458,12 +456,10 @@ bool afs_select_current_fileserver(struct afs_fs_cursor *fc)
return false;
}
+ memset(&fc->ac, 0, sizeof(fc->ac));
fc->ac.alist = alist;
- fc->ac.addr = NULL;
fc->ac.start = READ_ONCE(alist->index);
fc->ac.index = fc->ac.start;
- fc->ac.error = 0;
- fc->ac.begun = false;
goto iterate_address;
case 0:
diff --git a/fs/afs/server_list.c b/fs/afs/server_list.c
index 0ab3f8457839..0f8dc4c8f07c 100644
--- a/fs/afs/server_list.c
+++ b/fs/afs/server_list.c
@@ -58,7 +58,8 @@ struct afs_server_list *afs_alloc_server_list(struct afs_cell *cell,
server = afs_lookup_server(cell, key, &vldb->fs_server[i]);
if (IS_ERR(server)) {
ret = PTR_ERR(server);
- if (ret == -ENOENT)
+ if (ret == -ENOENT ||
+ ret == -ENOMEDIUM)
continue;
goto error_2;
}
diff --git a/fs/afs/vlclient.c b/fs/afs/vlclient.c
index e372f89fd36a..5d8562f1ad4a 100644
--- a/fs/afs/vlclient.c
+++ b/fs/afs/vlclient.c
@@ -23,7 +23,7 @@ static int afs_deliver_vl_get_entry_by_name_u(struct afs_call *call)
struct afs_uvldbentry__xdr *uvldb;
struct afs_vldb_entry *entry;
bool new_only = false;
- u32 tmp;
+ u32 tmp, nr_servers;
int i, ret;
_enter("");
@@ -36,6 +36,10 @@ static int afs_deliver_vl_get_entry_by_name_u(struct afs_call *call)
uvldb = call->buffer;
entry = call->reply[0];
+ nr_servers = ntohl(uvldb->nServers);
+ if (nr_servers > AFS_NMAXNSERVERS)
+ nr_servers = AFS_NMAXNSERVERS;
+
for (i = 0; i < ARRAY_SIZE(uvldb->name) - 1; i++)
entry->name[i] = (u8)ntohl(uvldb->name[i]);
entry->name[i] = 0;
@@ -44,14 +48,14 @@ static int afs_deliver_vl_get_entry_by_name_u(struct afs_call *call)
/* If there is a new replication site that we can use, ignore all the
* sites that aren't marked as new.
*/
- for (i = 0; i < AFS_NMAXNSERVERS; i++) {
+ for (i = 0; i < nr_servers; i++) {
tmp = ntohl(uvldb->serverFlags[i]);
if (!(tmp & AFS_VLSF_DONTUSE) &&
(tmp & AFS_VLSF_NEWREPSITE))
new_only = true;
}
- for (i = 0; i < AFS_NMAXNSERVERS; i++) {
+ for (i = 0; i < nr_servers; i++) {
struct afs_uuid__xdr *xdr;
struct afs_uuid *uuid;
int j;
diff --git a/fs/afs/volume.c b/fs/afs/volume.c
index 684c48293353..b517a588781f 100644
--- a/fs/afs/volume.c
+++ b/fs/afs/volume.c
@@ -26,9 +26,8 @@ static struct afs_volume *afs_alloc_volume(struct afs_mount_params *params,
unsigned long type_mask)
{
struct afs_server_list *slist;
- struct afs_server *server;
struct afs_volume *volume;
- int ret = -ENOMEM, nr_servers = 0, i, j;
+ int ret = -ENOMEM, nr_servers = 0, i;
for (i = 0; i < vldb->nr_servers; i++)
if (vldb->fs_mask[i] & type_mask)
@@ -58,50 +57,10 @@ static struct afs_volume *afs_alloc_volume(struct afs_mount_params *params,
refcount_set(&slist->usage, 1);
volume->servers = slist;
-
- /* Make sure a records exists for each server this volume occupies. */
- for (i = 0; i < nr_servers; i++) {
- if (!(vldb->fs_mask[i] & type_mask))
- continue;
-
- server = afs_lookup_server(params->cell, params->key,
- &vldb->fs_server[i]);
- if (IS_ERR(server)) {
- ret = PTR_ERR(server);
- if (ret == -ENOENT)
- continue;
- goto error_2;
- }
-
- /* Insertion-sort by server pointer */
- for (j = 0; j < slist->nr_servers; j++)
- if (slist->servers[j].server >= server)
- break;
- if (j < slist->nr_servers) {
- if (slist->servers[j].server == server) {
- afs_put_server(params->net, server);
- continue;
- }
-
- memmove(slist->servers + j + 1,
- slist->servers + j,
- (slist->nr_servers - j) * sizeof(struct afs_server_entry));
- }
-
- slist->servers[j].server = server;
- slist->nr_servers++;
- }
-
- if (slist->nr_servers == 0) {
- ret = -EDESTADDRREQ;
- goto error_2;
- }
-
return volume;
-error_2:
- afs_put_serverlist(params->net, slist);
error_1:
+ afs_put_cell(params->net, volume->cell);
kfree(volume);
error_0:
return ERR_PTR(ret);
@@ -327,7 +286,7 @@ static int afs_update_volume_status(struct afs_volume *volume, struct key *key)
/* See if the volume's server list got updated. */
new = afs_alloc_server_list(volume->cell, key,
- vldb, (1 << volume->type));
+ vldb, (1 << volume->type));
if (IS_ERR(new)) {
ret = PTR_ERR(new);
goto error_vldb;
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-01 15:14:48 +0000