5.15-stable review patch. If anyone has any objections, please let me know.
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From: Anna Schumaker Anna.Schumaker@Netapp.com
[ Upstream commit 01dde76e471229e3437a2686c572f4980b2c483e ]
And call it before doing an FSINFO probe to reset to the baseline capabilities before probing.
Signed-off-by: Anna Schumaker Anna.Schumaker@Netapp.com Signed-off-by: Trond Myklebust trond.myklebust@hammerspace.com Stable-dep-of: b01f21cacde9 ("NFS: Fix the setting of capabilities when automounting a new filesystem") Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/nfs/internal.h | 1 + fs/nfs/nfs4client.c | 33 +++++++++++++++++++-------------- fs/nfs/nfs4proc.c | 2 ++ 3 files changed, 22 insertions(+), 14 deletions(-)
--- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -219,6 +219,7 @@ extern struct nfs_client * nfs4_find_client_sessionid(struct net *, const struct sockaddr *, struct nfs4_sessionid *, u32); extern struct nfs_server *nfs_create_server(struct fs_context *); +extern void nfs4_server_set_init_caps(struct nfs_server *); extern struct nfs_server *nfs4_create_server(struct fs_context *); extern struct nfs_server *nfs4_create_referral_server(struct fs_context *); extern int nfs4_update_server(struct nfs_server *server, const char *hostname, --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -1065,6 +1065,24 @@ static void nfs4_session_limit_xasize(st #endif }
+void nfs4_server_set_init_caps(struct nfs_server *server) +{ + /* Set the basic capabilities */ + server->caps |= server->nfs_client->cl_mvops->init_caps; + if (server->flags & NFS_MOUNT_NORDIRPLUS) + server->caps &= ~NFS_CAP_READDIRPLUS; + if (server->nfs_client->cl_proto == XPRT_TRANSPORT_RDMA) + server->caps &= ~NFS_CAP_READ_PLUS; + + /* + * Don't use NFS uid/gid mapping if we're using AUTH_SYS or lower + * authentication. + */ + if (nfs4_disable_idmapping && + server->client->cl_auth->au_flavor == RPC_AUTH_UNIX) + server->caps |= NFS_CAP_UIDGID_NOMAP; +} + static int nfs4_server_common_setup(struct nfs_server *server, struct nfs_fh *mntfh, bool auth_probe) { @@ -1084,20 +1102,7 @@ static int nfs4_server_common_setup(stru if (error < 0) goto out;
- /* Set the basic capabilities */ - server->caps |= server->nfs_client->cl_mvops->init_caps; - if (server->flags & NFS_MOUNT_NORDIRPLUS) - server->caps &= ~NFS_CAP_READDIRPLUS; - if (server->nfs_client->cl_proto == XPRT_TRANSPORT_RDMA) - server->caps &= ~NFS_CAP_READ_PLUS; - /* - * Don't use NFS uid/gid mapping if we're using AUTH_SYS or lower - * authentication. - */ - if (nfs4_disable_idmapping && - server->client->cl_auth->au_flavor == RPC_AUTH_UNIX) - server->caps |= NFS_CAP_UIDGID_NOMAP; - + nfs4_server_set_init_caps(server);
/* Probe the root fh to retrieve its FSID and filehandle */ error = nfs4_get_rootfh(server, mntfh, auth_probe); --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3968,6 +3968,8 @@ int nfs4_server_capabilities(struct nfs_ .interruptible = true, }; int err; + + nfs4_server_set_init_caps(server); do { err = nfs4_handle_exception(server, _nfs4_server_capabilities(server, fhandle),