[PATCH RFC 24/24] nfs: add a module parameter to disable directory delegations
From: Jeff Layton <jlayton@kernel.org>
Date: 2024-03-15 16:54:24
Also in:
linux-cifs, linux-fsdevel, linux-nfs, linux-unionfs, lkml, netfs
Subsystem:
filesystems (vfs and infrastructure), nfs, sunrpc, and lockd clients, the rest · Maintainers:
Alexander Viro, Christian Brauner, Trond Myklebust, Anna Schumaker, Linus Torvalds
For testing purposes, add a module parameter that will prevent the client from requesting further directory delegations. Signed-off-by: Jeff Layton <jlayton@kernel.org> --- fs/nfs/nfs4proc.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 3dbe9a18c9be..a85a594cad88 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c@@ -4318,8 +4318,14 @@ static int nfs4_get_referral(struct rpc_clnt *client, struct inode *dir, return status; } +static bool nfs_dir_delegation_enabled = true; +module_param(nfs_dir_delegation_enabled, bool, 0644); +MODULE_PARM_DESC(nfs_dir_delegation_enabled, "Enable directory delegations?"); + static bool should_request_dir_deleg(struct inode *inode) { + if (!nfs_dir_delegation_enabled) + return false; if (!inode) return false; if (!S_ISDIR(inode->i_mode))
--
2.44.0