mirror of
https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-26 06:33:19 -04:00
NFS client updates for Linux 4.21
Note that there is a conflict with the rdma tree in this pull request, since we delete a file that has been changed in the rdma tree. Hopefully that's easy enough to resolve! We also were unable to track down a maintainer for Neil Brown's changes to the generic cred code that are prerequisites to his RPC cred cleanup patches. We've been asking around for several months without any response, so hopefully it's okay to include those patches in this pull request. 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 -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEnZ5MQTpR7cLU7KEp18tUv7ClQOsFAlwtO50ACgkQ18tUv7Cl QOtZWQ//e5Hhp2TnQZ6U+99YKedjwBHP6psH3GKSEdeHSNdlSpZ5ckgHxvMb9TBa 6t4ecgv5P/uYLIePQ0u2ubUFc9+TlyGi7Iacx13/YhK7kihGHDPnZhfl0QbYixV7 rwa9bFcKmOrXs8ld+Hw3P2UL22G1gMf/LHDhPNshbW7LFZmcshKz+mKTk70kwkq9 v7tFC59p6GwV8Sr2YI2NXn2fOWsUS00sQfgj2jceJYJ8PsNa+wHYF4wPj2IY5NsE D5Oq2kLPbytBhCllOHgopNZaf4qb5BfqhVETyc1O+kDF3BZKUhQ1PoDi2FPinaHM 5/d8hS+5fr3eMBsQrPWQLXYjWQFUXnkQQJvU3Bo52AIgomsk/8uBq3FvH7XmFcBd C8sgnuUAkAS8feMes8GCS50BTxclnGuYGdyFJyCRXoG9Kn9rMrw9EKitky6EVq0v NmXhW79jK84a3yDXVlAIpZ8Y9BU/HQ3GviGX8lQEdZU9YiYRzDIHvpMFwzMgqaBi XvLbr8PlLOm8GZokThS8QYT/G2Wu6IwfUq/AufVjVD4+HiL3duKKfWSGAvcm6aAa GoRF6UG+OmjWlzKojtRc1dI+sy22Fzh+DW+Mx6tuf/b/66wkmYnW7eKcV4rt6Tm5 /JEhvTMo9q7elL/4FgCoMCcdoc5eXqQyXRXrQiOU7YHLzn2aWU0= =DvVW -----END PGP SIGNATURE----- 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 ...
This commit is contained in:
Linus Torvalds
commit
e6b9257280
63 changed files with 1518 additions and 1995 deletions
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@ -169,6 +169,7 @@ extern int change_create_files_as(struct cred *, struct inode *);
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extern int set_security_override(struct cred *, u32);
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extern int set_security_override_from_ctx(struct cred *, const char *);
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extern int set_create_files_as(struct cred *, struct inode *);
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extern int cred_fscmp(const struct cred *, const struct cred *);
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extern void __init cred_init(void);
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/*
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@ -236,7 +237,7 @@ static inline struct cred *get_new_cred(struct cred *cred)
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* @cred: The credentials to reference
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*
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* Get a reference on the specified set of credentials. The caller must
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* release the reference.
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* release the reference. If %NULL is passed, it is returned with no action.
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*
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* This is used to deal with a committed set of credentials. Although the
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* pointer is const, this will temporarily discard the const and increment the
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@ -247,16 +248,29 @@ static inline struct cred *get_new_cred(struct cred *cred)
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static inline const struct cred *get_cred(const struct cred *cred)
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{
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struct cred *nonconst_cred = (struct cred *) cred;
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if (!cred)
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return cred;
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validate_creds(cred);
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return get_new_cred(nonconst_cred);
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}
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static inline const struct cred *get_cred_rcu(const struct cred *cred)
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{
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struct cred *nonconst_cred = (struct cred *) cred;
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if (!cred)
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return NULL;
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if (!atomic_inc_not_zero(&nonconst_cred->usage))
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return NULL;
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validate_creds(cred);
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return cred;
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}
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/**
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* put_cred - Release a reference to a set of credentials
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* @cred: The credentials to release
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*
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* Release a reference to a set of credentials, deleting them when the last ref
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* is released.
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* is released. If %NULL is passed, nothing is done.
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*
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* This takes a const pointer to a set of credentials because the credentials
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* on task_struct are attached by const pointers to prevent accidental
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@ -266,9 +280,11 @@ static inline void put_cred(const struct cred *_cred)
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{
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struct cred *cred = (struct cred *) _cred;
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validate_creds(cred);
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if (atomic_dec_and_test(&(cred)->usage))
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__put_cred(cred);
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if (cred) {
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validate_creds(cred);
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if (atomic_dec_and_test(&(cred)->usage))
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__put_cred(cred);
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}
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}
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/**
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@ -51,7 +51,7 @@
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struct nfs_access_entry {
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struct rb_node rb_node;
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struct list_head lru;
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struct rpc_cred * cred;
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const struct cred * cred;
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__u32 mask;
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struct rcu_head rcu_head;
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};
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@ -70,7 +70,8 @@ struct nfs_open_context {
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struct nfs_lock_context lock_context;
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fl_owner_t flock_owner;
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struct dentry *dentry;
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struct rpc_cred *cred;
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const struct cred *cred;
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struct rpc_cred *ll_cred; /* low-level cred - use to check for expiry */
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struct nfs4_state *state;
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fmode_t mode;
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@ -88,7 +89,7 @@ struct nfs_open_context {
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struct nfs_open_dir_context {
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struct list_head list;
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struct rpc_cred *cred;
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const struct cred *cred;
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unsigned long attr_gencount;
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__u64 dir_cookie;
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__u64 dup_cookie;
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@ -390,7 +391,7 @@ extern void nfs_setsecurity(struct inode *inode, struct nfs_fattr *fattr,
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struct nfs4_label *label);
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extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx);
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extern void put_nfs_open_context(struct nfs_open_context *ctx);
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extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_cred *cred, fmode_t mode);
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extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, const struct cred *cred, fmode_t mode);
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extern struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, fmode_t f_mode, struct file *filp);
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extern void nfs_inode_attach_open_context(struct nfs_open_context *ctx);
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extern void nfs_file_set_open_context(struct file *filp, struct nfs_open_context *ctx);
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@ -461,7 +462,7 @@ static inline struct nfs_open_context *nfs_file_open_context(struct file *filp)
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return filp->private_data;
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}
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static inline struct rpc_cred *nfs_file_cred(struct file *file)
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static inline const struct cred *nfs_file_cred(struct file *file)
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{
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if (file != NULL) {
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struct nfs_open_context *ctx =
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@ -490,7 +491,7 @@ extern const struct dentry_operations nfs_dentry_operations;
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extern void nfs_force_lookup_revalidate(struct inode *dir);
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extern int nfs_instantiate(struct dentry *dentry, struct nfs_fh *fh,
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struct nfs_fattr *fattr, struct nfs4_label *label);
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extern int nfs_may_open(struct inode *inode, struct rpc_cred *cred, int openflags);
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extern int nfs_may_open(struct inode *inode, const struct cred *cred, int openflags);
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extern void nfs_access_zap_cache(struct inode *inode);
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/*
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@ -58,7 +58,7 @@ struct nfs_client {
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struct nfs_subversion * cl_nfs_mod; /* pointer to nfs version module */
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u32 cl_minorversion;/* NFSv4 minorversion */
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struct rpc_cred *cl_machine_cred;
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const char * cl_principal; /* used for machine cred */
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#if IS_ENABLED(CONFIG_NFS_V4)
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struct list_head cl_ds_clients; /* auth flavor data servers */
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@ -270,7 +270,7 @@ struct nfs4_layoutget_res {
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struct nfs4_layoutget {
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struct nfs4_layoutget_args args;
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struct nfs4_layoutget_res res;
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struct rpc_cred *cred;
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const struct cred *cred;
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gfp_t gfp_flags;
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};
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@ -309,7 +309,7 @@ struct nfs4_layoutcommit_data {
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struct rpc_task task;
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struct nfs_fattr fattr;
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struct list_head lseg_list;
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struct rpc_cred *cred;
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const struct cred *cred;
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struct inode *inode;
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struct nfs4_layoutcommit_args args;
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struct nfs4_layoutcommit_res res;
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@ -334,7 +334,7 @@ struct nfs4_layoutreturn_res {
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struct nfs4_layoutreturn {
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struct nfs4_layoutreturn_args args;
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struct nfs4_layoutreturn_res res;
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struct rpc_cred *cred;
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const struct cred *cred;
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struct nfs_client *clp;
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struct inode *inode;
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int rpc_status;
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@ -1469,7 +1469,7 @@ enum {
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struct nfs_io_completion;
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struct nfs_pgio_header {
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struct inode *inode;
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struct rpc_cred *cred;
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const struct cred *cred;
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struct list_head pages;
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struct nfs_page *req;
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struct nfs_writeverf verf; /* Used for writes */
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@ -1529,7 +1529,7 @@ struct nfs_commit_info {
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struct nfs_commit_data {
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struct rpc_task task;
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struct inode *inode;
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struct rpc_cred *cred;
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const struct cred *cred;
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struct nfs_fattr fattr;
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struct nfs_writeverf verf;
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struct list_head pages; /* Coalesced requests we wish to flush */
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@ -1560,7 +1560,7 @@ struct nfs_unlinkdata {
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struct nfs_removeres res;
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struct dentry *dentry;
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wait_queue_head_t wq;
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struct rpc_cred *cred;
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const struct cred *cred;
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struct nfs_fattr dir_attr;
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long timeout;
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};
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@ -1568,7 +1568,7 @@ struct nfs_unlinkdata {
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struct nfs_renamedata {
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struct nfs_renameargs args;
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struct nfs_renameres res;
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struct rpc_cred *cred;
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const struct cred *cred;
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struct inode *old_dir;
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struct dentry *old_dentry;
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struct nfs_fattr old_fattr;
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@ -1634,7 +1634,7 @@ struct nfs_rpc_ops {
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unsigned int, struct iattr *);
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int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
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int (*rmdir) (struct inode *, const struct qstr *);
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int (*readdir) (struct dentry *, struct rpc_cred *,
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int (*readdir) (struct dentry *, const struct cred *,
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u64, struct page **, unsigned int, bool);
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int (*mknod) (struct inode *, struct dentry *, struct iattr *,
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dev_t);
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@ -37,21 +37,9 @@
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struct rpcsec_gss_info;
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/* auth_cred ac_flags bits */
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enum {
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RPC_CRED_KEY_EXPIRE_SOON = 1, /* underlying cred key will expire soon */
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RPC_CRED_NOTIFY_TIMEOUT = 2, /* nofity generic cred when underlying
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key will expire soon */
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};
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/* Work around the lack of a VFS credential */
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struct auth_cred {
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kuid_t uid;
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kgid_t gid;
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struct group_info *group_info;
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const char *principal;
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unsigned long ac_flags;
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unsigned char machine_cred : 1;
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const struct cred *cred;
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const char *principal; /* If present, this is a machine credential */
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};
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/*
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@ -68,8 +56,7 @@ struct rpc_cred {
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unsigned long cr_expire; /* when to gc */
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unsigned long cr_flags; /* various flags */
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refcount_t cr_count; /* ref count */
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kuid_t cr_uid;
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const struct cred *cr_cred;
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/* per-flavor data */
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};
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@ -78,8 +65,7 @@ struct rpc_cred {
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#define RPCAUTH_CRED_HASHED 2
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#define RPCAUTH_CRED_NEGATIVE 3
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/* rpc_auth au_flags */
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#define RPCAUTH_AUTH_NO_CRKEY_TIMEOUT 0x0001 /* underlying cred has no key timeout */
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const struct cred *rpc_machine_cred(void);
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/*
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* Client authentication handle
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@ -116,7 +102,6 @@ struct rpc_auth_create_args {
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/* Flags for rpcauth_lookupcred() */
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#define RPCAUTH_LOOKUP_NEW 0x01 /* Accept an uninitialised cred */
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#define RPCAUTH_LOOKUP_RCU 0x02 /* lock-less lookup */
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/*
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* Client authentication ops
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@ -146,7 +131,6 @@ struct rpc_credops {
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void (*crdestroy)(struct rpc_cred *);
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int (*crmatch)(struct auth_cred *, struct rpc_cred *, int);
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struct rpc_cred * (*crbind)(struct rpc_task *, struct rpc_cred *, int);
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__be32 * (*crmarshal)(struct rpc_task *, __be32 *);
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int (*crrefresh)(struct rpc_task *);
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__be32 * (*crvalidate)(struct rpc_task *, __be32 *);
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@ -155,7 +139,6 @@ struct rpc_credops {
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int (*crunwrap_resp)(struct rpc_task *, kxdrdproc_t,
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void *, __be32 *, void *);
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int (*crkey_timeout)(struct rpc_cred *);
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bool (*crkey_to_expire)(struct rpc_cred *);
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char * (*crstringify_acceptor)(struct rpc_cred *);
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bool (*crneed_reencode)(struct rpc_task *);
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};
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|
|
@ -164,16 +147,10 @@ extern const struct rpc_authops authunix_ops;
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extern const struct rpc_authops authnull_ops;
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int __init rpc_init_authunix(void);
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int __init rpc_init_generic_auth(void);
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int __init rpcauth_init_module(void);
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void rpcauth_remove_module(void);
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void rpc_destroy_generic_auth(void);
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void rpc_destroy_authunix(void);
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struct rpc_cred * rpc_lookup_cred(void);
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struct rpc_cred * rpc_lookup_cred_nonblock(void);
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struct rpc_cred * rpc_lookup_generic_cred(struct auth_cred *, int, gfp_t);
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struct rpc_cred * rpc_lookup_machine_cred(const char *service_name);
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int rpcauth_register(const struct rpc_authops *);
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int rpcauth_unregister(const struct rpc_authops *);
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struct rpc_auth * rpcauth_create(const struct rpc_auth_create_args *,
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|
|
@ -187,7 +164,6 @@ int rpcauth_list_flavors(rpc_authflavor_t *, int);
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struct rpc_cred * rpcauth_lookup_credcache(struct rpc_auth *, struct auth_cred *, int, gfp_t);
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void rpcauth_init_cred(struct rpc_cred *, const struct auth_cred *, struct rpc_auth *, const struct rpc_credops *);
|
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struct rpc_cred * rpcauth_lookupcred(struct rpc_auth *, int);
|
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struct rpc_cred * rpcauth_generic_bind_cred(struct rpc_task *, struct rpc_cred *, int);
|
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void put_rpccred(struct rpc_cred *);
|
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__be32 * rpcauth_marshcred(struct rpc_task *, __be32 *);
|
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__be32 * rpcauth_checkverf(struct rpc_task *, __be32 *);
|
||||
|
|
@ -200,9 +176,6 @@ int rpcauth_uptodatecred(struct rpc_task *);
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int rpcauth_init_credcache(struct rpc_auth *);
|
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void rpcauth_destroy_credcache(struct rpc_auth *);
|
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void rpcauth_clear_credcache(struct rpc_cred_cache *);
|
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int rpcauth_key_timeout_notify(struct rpc_auth *,
|
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struct rpc_cred *);
|
||||
bool rpcauth_cred_key_to_expire(struct rpc_auth *, struct rpc_cred *);
|
||||
char * rpcauth_stringify_acceptor(struct rpc_cred *);
|
||||
|
||||
static inline
|
||||
|
|
@ -213,21 +186,5 @@ struct rpc_cred *get_rpccred(struct rpc_cred *cred)
|
|||
return NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* get_rpccred_rcu - get a reference to a cred using rcu-protected pointer
|
||||
* @cred: cred of which to take a reference
|
||||
*
|
||||
* In some cases, we may have a pointer to a credential to which we
|
||||
* want to take a reference, but don't already have one. Because these
|
||||
* objects are freed using RCU, we can access the cr_count while its
|
||||
* on its way to destruction and only take a reference if it's not already
|
||||
* zero.
|
||||
*/
|
||||
static inline struct rpc_cred *
|
||||
get_rpccred_rcu(struct rpc_cred *cred)
|
||||
{
|
||||
return get_rpccred(cred);
|
||||
}
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
#endif /* _LINUX_SUNRPC_AUTH_H */
|
||||
|
|
|
|||
|
|
@ -66,6 +66,7 @@ struct rpc_clnt {
|
|||
struct rpc_rtt cl_rtt_default;
|
||||
struct rpc_timeout cl_timeout_default;
|
||||
const struct rpc_program *cl_program;
|
||||
const char * cl_principal; /* use for machine cred */
|
||||
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
|
||||
struct dentry *cl_debugfs; /* debugfs directory */
|
||||
#endif
|
||||
|
|
@ -127,8 +128,8 @@ struct rpc_create_args {
|
|||
};
|
||||
|
||||
struct rpc_add_xprt_test {
|
||||
int (*add_xprt_test)(struct rpc_clnt *,
|
||||
struct rpc_xprt *,
|
||||
void (*add_xprt_test)(struct rpc_clnt *clnt,
|
||||
struct rpc_xprt *xprt,
|
||||
void *calldata);
|
||||
void *data;
|
||||
};
|
||||
|
|
|
|||
|
|
@ -26,7 +26,7 @@ struct rpc_message {
|
|||
const struct rpc_procinfo *rpc_proc; /* Procedure information */
|
||||
void * rpc_argp; /* Arguments */
|
||||
void * rpc_resp; /* Result */
|
||||
struct rpc_cred * rpc_cred; /* Credentials */
|
||||
const struct cred * rpc_cred; /* Credentials */
|
||||
};
|
||||
|
||||
struct rpc_call_ops;
|
||||
|
|
@ -71,6 +71,7 @@ struct rpc_task {
|
|||
|
||||
struct rpc_clnt * tk_client; /* RPC client */
|
||||
struct rpc_xprt * tk_xprt; /* Transport */
|
||||
struct rpc_cred * tk_op_cred; /* cred being operated on */
|
||||
|
||||
struct rpc_rqst * tk_rqstp; /* RPC request */
|
||||
|
||||
|
|
@ -105,6 +106,7 @@ struct rpc_task_setup {
|
|||
struct rpc_task *task;
|
||||
struct rpc_clnt *rpc_client;
|
||||
struct rpc_xprt *rpc_xprt;
|
||||
struct rpc_cred *rpc_op_cred; /* credential being operated on */
|
||||
const struct rpc_message *rpc_message;
|
||||
const struct rpc_call_ops *callback_ops;
|
||||
void *callback_data;
|
||||
|
|
@ -118,6 +120,7 @@ struct rpc_task_setup {
|
|||
*/
|
||||
#define RPC_TASK_ASYNC 0x0001 /* is an async task */
|
||||
#define RPC_TASK_SWAPPER 0x0002 /* is swapping in/out */
|
||||
#define RPC_TASK_NULLCREDS 0x0010 /* Use AUTH_NULL credential */
|
||||
#define RPC_CALL_MAJORSEEN 0x0020 /* major timeout seen */
|
||||
#define RPC_TASK_ROOTCREDS 0x0040 /* force root creds */
|
||||
#define RPC_TASK_DYNAMIC 0x0080 /* task was kmalloc'ed */
|
||||
|
|
@ -131,7 +134,6 @@ struct rpc_task_setup {
|
|||
|
||||
#define RPC_IS_ASYNC(t) ((t)->tk_flags & RPC_TASK_ASYNC)
|
||||
#define RPC_IS_SWAPPER(t) ((t)->tk_flags & RPC_TASK_SWAPPER)
|
||||
#define RPC_DO_ROOTOVERRIDE(t) ((t)->tk_flags & RPC_TASK_ROOTCREDS)
|
||||
#define RPC_ASSASSINATED(t) ((t)->tk_flags & RPC_TASK_KILLED)
|
||||
#define RPC_IS_SOFT(t) ((t)->tk_flags & (RPC_TASK_SOFT|RPC_TASK_TIMEOUT))
|
||||
#define RPC_IS_SOFTCONN(t) ((t)->tk_flags & RPC_TASK_SOFTCONN)
|
||||
|
|
|
|||
Loading…
Reference in a new issue