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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:10:17 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:10:17 +0000
commit9db5397d87fc212863d4750c85ff8b9a6ed42b95 (patch)
tree1bd4e8854203c575eabaa99e2c509f8886065733 /fs/afs/server.c
parentAdding upstream version 6.1.76. (diff)
downloadlinux-9db5397d87fc212863d4750c85ff8b9a6ed42b95.tar.xz
linux-9db5397d87fc212863d4750c85ff8b9a6ed42b95.zip
Adding upstream version 6.1.82.upstream/6.1.82
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/afs/server.c')
-rw-r--r--fs/afs/server.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/afs/server.c b/fs/afs/server.c
index b5237206e..0bd2f5ba6 100644
--- a/fs/afs/server.c
+++ b/fs/afs/server.c
@@ -27,7 +27,7 @@ struct afs_server *afs_find_server(struct afs_net *net,
const struct afs_addr_list *alist;
struct afs_server *server = NULL;
unsigned int i;
- int seq = 0, diff;
+ int seq = 1, diff;
rcu_read_lock();
@@ -35,6 +35,7 @@ struct afs_server *afs_find_server(struct afs_net *net,
if (server)
afs_unuse_server_notime(net, server, afs_server_trace_put_find_rsq);
server = NULL;
+ seq++; /* 2 on the 1st/lockless path, otherwise odd */
read_seqbegin_or_lock(&net->fs_addr_lock, &seq);
if (srx->transport.family == AF_INET6) {
@@ -90,7 +91,7 @@ struct afs_server *afs_find_server_by_uuid(struct afs_net *net, const uuid_t *uu
{
struct afs_server *server = NULL;
struct rb_node *p;
- int diff, seq = 0;
+ int diff, seq = 1;
_enter("%pU", uuid);
@@ -102,7 +103,7 @@ struct afs_server *afs_find_server_by_uuid(struct afs_net *net, const uuid_t *uu
if (server)
afs_unuse_server(net, server, afs_server_trace_put_uuid_rsq);
server = NULL;
-
+ seq++; /* 2 on the 1st/lockless path, otherwise odd */
read_seqbegin_or_lock(&net->fs_lock, &seq);
p = net->fs_servers.rb_node;