fs: improve scalability of pseudo filesystems
Regardless of how much we possibly try to scale dcache, there is likely
always going to be some fundamental contention when adding or removing children
under the same parent. Pseudo filesystems do not seem need to have connected
dentries because by definition they are disconnected.
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
diff --git a/net/socket.c b/net/socket.c
index 991e266..0ee74c3 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -361,7 +361,7 @@
if (unlikely(fd < 0))
return fd;
- path.dentry = d_alloc(sock_mnt->mnt_sb->s_root, &name);
+ path.dentry = d_alloc_pseudo(sock_mnt->mnt_sb, &name);
if (unlikely(!path.dentry)) {
put_unused_fd(fd);
return -ENOMEM;