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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-03 03:35:23 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-03 03:35:23 +0300 |
commit | e6b92572808467f35fd159d47c45b650de29e722 (patch) | |
tree | 5fbd2e6279539c4f3eeeca0d6a69779bdbd0d6a4 /fs/nfsd | |
parent | e45428a436765fcd154d461a2739b5640916dc00 (diff) | |
parent | 260f71eff493a844531629854c0935fa8de4fa2c (diff) | |
download | linux-e6b92572808467f35fd159d47c45b650de29e722.tar.xz |
Merge tag 'nfs-for-4.21-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client updates from Anna Schumaker:
"Stable bugfixes:
- xprtrdma: Yet another double DMA-unmap # v4.20
Features:
- Allow some /proc/sys/sunrpc entries without CONFIG_SUNRPC_DEBUG
- Per-xprt rdma receive workqueues
- Drop support for FMR memory registration
- Make port= mount option optional for RDMA mounts
Other bugfixes and cleanups:
- Remove unused nfs4_xdev_fs_type declaration
- Fix comments for behavior that has changed
- Remove generic RPC credentials by switching to 'struct cred'
- Fix crossing mountpoints with different auth flavors
- Various xprtrdma fixes from testing and auditing the close code
- Fixes for disconnect issues when using xprtrdma with krb5
- Clean up and improve xprtrdma trace points
- Fix NFS v4.2 async copy reboot recovery"
* tag 'nfs-for-4.21-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (63 commits)
sunrpc: convert to DEFINE_SHOW_ATTRIBUTE
sunrpc: Add xprt after nfs4_test_session_trunk()
sunrpc: convert unnecessary GFP_ATOMIC to GFP_NOFS
sunrpc: handle ENOMEM in rpcb_getport_async
NFS: remove unnecessary test for IS_ERR(cred)
xprtrdma: Prevent leak of rpcrdma_rep objects
NFSv4.2 fix async copy reboot recovery
xprtrdma: Don't leak freed MRs
xprtrdma: Add documenting comment for rpcrdma_buffer_destroy
xprtrdma: Replace outdated comment for rpcrdma_ep_post
xprtrdma: Update comments in frwr_op_send
SUNRPC: Fix some kernel doc complaints
SUNRPC: Simplify defining common RPC trace events
NFS: Fix NFSv4 symbolic trace point output
xprtrdma: Trace mapping, alloc, and dereg failures
xprtrdma: Add trace points for calls to transport switch methods
xprtrdma: Relocate the xprtrdma_mr_map trace points
xprtrdma: Clean up of xprtrdma chunk trace points
xprtrdma: Remove unused fields from rpcrdma_ia
xprtrdma: Cull dprintk() call sites
...
Diffstat (limited to 'fs/nfsd')
-rw-r--r-- | fs/nfsd/nfs4callback.c | 31 | ||||
-rw-r--r-- | fs/nfsd/state.h | 2 |
2 files changed, 16 insertions, 17 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index 25987bcdf96f..c74e4538d0eb 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -844,24 +844,23 @@ static int max_cb_time(struct net *net) return max(nn->nfsd4_lease/10, (time_t)1) * HZ; } -static struct rpc_cred *get_backchannel_cred(struct nfs4_client *clp, struct rpc_clnt *client, struct nfsd4_session *ses) +static const struct cred *get_backchannel_cred(struct nfs4_client *clp, struct rpc_clnt *client, struct nfsd4_session *ses) { if (clp->cl_minorversion == 0) { - char *principal = clp->cl_cred.cr_targ_princ ? - clp->cl_cred.cr_targ_princ : "nfs"; - struct rpc_cred *cred; - - cred = rpc_lookup_machine_cred(principal); - if (!IS_ERR(cred)) - get_rpccred(cred); - return cred; + client->cl_principal = clp->cl_cred.cr_targ_princ ? + clp->cl_cred.cr_targ_princ : "nfs"; + + return get_cred(rpc_machine_cred()); } else { - struct rpc_auth *auth = client->cl_auth; - struct auth_cred acred = {}; + struct cred *kcred; + + kcred = prepare_kernel_cred(NULL); + if (!kcred) + return NULL; - acred.uid = ses->se_cb_sec.uid; - acred.gid = ses->se_cb_sec.gid; - return auth->au_ops->lookup_cred(client->cl_auth, &acred, 0); + kcred->uid = ses->se_cb_sec.uid; + kcred->gid = ses->se_cb_sec.gid; + return kcred; } } @@ -884,7 +883,7 @@ static int setup_callback_client(struct nfs4_client *clp, struct nfs4_cb_conn *c .flags = (RPC_CLNT_CREATE_NOPING | RPC_CLNT_CREATE_QUIET), }; struct rpc_clnt *client; - struct rpc_cred *cred; + const struct cred *cred; if (clp->cl_minorversion == 0) { if (!clp->cl_cred.cr_principal && @@ -1214,7 +1213,7 @@ static void nfsd4_process_cb_update(struct nfsd4_callback *cb) if (clp->cl_cb_client) { rpc_shutdown_client(clp->cl_cb_client); clp->cl_cb_client = NULL; - put_rpccred(clp->cl_cb_cred); + put_cred(clp->cl_cb_cred); clp->cl_cb_cred = NULL; } if (clp->cl_cb_conn.cb_xprt) { diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index 6aacb325b6a0..396c76755b03 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -327,7 +327,7 @@ struct nfs4_client { #define NFSD4_CLIENT_CB_FLAG_MASK (1 << NFSD4_CLIENT_CB_UPDATE | \ 1 << NFSD4_CLIENT_CB_KILL) unsigned long cl_flags; - struct rpc_cred *cl_cb_cred; + const struct cred *cl_cb_cred; struct rpc_clnt *cl_cb_client; u32 cl_cb_ident; #define NFSD4_CB_UP 0 |