From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/fs/nfsd/state.h | 113 ++++++++++++++++++++++++++++++++------------------------
1 files changed, 64 insertions(+), 49 deletions(-)
diff --git a/kernel/fs/nfsd/state.h b/kernel/fs/nfsd/state.h
index 594fc1a..9eae11a 100644
--- a/kernel/fs/nfsd/state.h
+++ b/kernel/fs/nfsd/state.h
@@ -39,6 +39,7 @@
#include <linux/refcount.h>
#include <linux/sunrpc/svc_xprt.h>
#include "nfsfh.h"
+#include "nfsd.h"
typedef struct {
u32 cl_boot;
@@ -55,12 +56,13 @@
stateid_opaque_t si_opaque;
} stateid_t;
-#define STATEID_FMT "(%08x/%08x/%08x/%08x)"
-#define STATEID_VAL(s) \
- (s)->si_opaque.so_clid.cl_boot, \
- (s)->si_opaque.so_clid.cl_id, \
- (s)->si_opaque.so_id, \
- (s)->si_generation
+typedef struct {
+ stateid_t stid;
+#define NFS4_COPY_STID 1
+#define NFS4_COPYNOTIFY_STID 2
+ unsigned char sc_type;
+ refcount_t sc_count;
+} copy_stateid_t;
struct nfsd4_callback {
struct nfs4_client *cb_clp;
@@ -95,12 +97,24 @@
#define NFS4_REVOKED_DELEG_STID 16
#define NFS4_CLOSED_DELEG_STID 32
#define NFS4_LAYOUT_STID 64
+ struct list_head sc_cp_list;
unsigned char sc_type;
stateid_t sc_stateid;
spinlock_t sc_lock;
struct nfs4_client *sc_client;
struct nfs4_file *sc_file;
void (*sc_free)(struct nfs4_stid *);
+};
+
+/* Keep a list of stateids issued by the COPY_NOTIFY, associate it with the
+ * parent OPEN/LOCK/DELEG stateid.
+ */
+struct nfs4_cpntf_state {
+ copy_stateid_t cp_stateid;
+ struct list_head cp_list; /* per parent nfs4_stid */
+ stateid_t cp_p_stateid; /* copy of parent's stateid */
+ clientid_t cp_p_clid; /* copy of parent's clid */
+ time64_t cpntf_time; /* last time stateid used */
};
/*
@@ -131,7 +145,7 @@
struct list_head dl_recall_lru; /* delegation recalled */
struct nfs4_clnt_odstate *dl_clnt_odstate;
u32 dl_type;
- time_t dl_time;
+ time64_t dl_time;
/* For recall: */
int dl_retries;
struct nfsd4_callback dl_recall;
@@ -309,13 +323,17 @@
#endif
struct xdr_netobj cl_name; /* id generated by client */
nfs4_verifier cl_verifier; /* generated by client */
- time_t cl_time; /* time of last lease renewal */
+ time64_t cl_time; /* time of last lease renewal */
struct sockaddr_storage cl_addr; /* client ipaddress */
bool cl_mach_cred; /* SP4_MACH_CRED in force */
struct svc_cred cl_cred; /* setclientid principal */
clientid_t cl_clientid; /* generated by server */
nfs4_verifier cl_confirm; /* generated by server */
u32 cl_minorversion;
+ /* NFSv4.1 client implementation id: */
+ struct xdr_netobj cl_nii_domain;
+ struct xdr_netobj cl_nii_name;
+ struct timespec64 cl_nii_time;
/* for v4.0 and v4.1 callbacks: */
struct nfs4_cb_conn cl_cb_conn;
@@ -328,7 +346,7 @@
#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
@@ -347,8 +365,12 @@
struct nfsd4_clid_slot cl_cs_slot; /* create_session slot */
u32 cl_exchange_flags;
/* number of rpc's in progress over an associated session: */
- atomic_t cl_refcount;
+ atomic_t cl_rpc_users;
+ struct nfsdfs_client cl_nfsdfs;
struct nfs4_op_map cl_spo_must_allow;
+
+ /* debugging info directory under nfsd/clients/ : */
+ struct dentry *cl_nfsd_dentry;
/* for nfs41 callbacks */
/* We currently support a single back channel with a single slot */
@@ -356,6 +378,9 @@
struct rpc_wait_queue cl_cb_waitq; /* backchannel callers may */
/* wait here for slots */
struct net *net;
+ struct list_head async_copies; /* list of async copies */
+ spinlock_t async_lock; /* lock for async copies */
+ atomic_t cl_cb_inflight; /* Outstanding callbacks */
};
/* struct nfs4_client_reset
@@ -366,7 +391,8 @@
struct nfs4_client_reclaim {
struct list_head cr_strhash; /* hash by cr_name */
struct nfs4_client *cr_clp; /* pointer to associated clp */
- char cr_recdir[HEXDIR_LEN]; /* recover dir */
+ struct xdr_netobj cr_name; /* recovery dir name */
+ struct xdr_netobj cr_princhash;
};
/* A reasonable value for REPLAY_ISIZE was estimated as follows:
@@ -436,7 +462,7 @@
*/
struct list_head oo_close_lru;
struct nfs4_ol_stateid *oo_last_closed_stid;
- time_t oo_time; /* time of placement on so_close_lru */
+ time64_t oo_time; /* time of placement on so_close_lru */
#define NFS4_OO_CONFIRMED 1
unsigned char oo_flags;
};
@@ -495,7 +521,7 @@
};
struct list_head fi_clnt_odstate;
/* One each for O_RDONLY, O_WRONLY, O_RDWR: */
- struct file * fi_fds[3];
+ struct nfsd_file *fi_fds[3];
/*
* Each open or lock stateid contributes 0-4 to the counts
* below depending on which bits are set in st_access_bitmap:
@@ -505,7 +531,7 @@
*/
atomic_t fi_access[2];
u32 fi_share_deny;
- struct file *fi_deleg_file;
+ struct nfsd_file *fi_deleg_file;
int fi_delegees;
struct knfsd_fh fi_fhandle;
bool fi_had_conflict;
@@ -554,7 +580,7 @@
spinlock_t ls_lock;
struct list_head ls_layouts;
u32 ls_layout_type;
- struct file *ls_file;
+ struct nfsd_file *ls_file;
struct nfsd4_callback ls_recall;
stateid_t ls_recall_sid;
bool ls_recalled;
@@ -574,6 +600,7 @@
NFSPROC4_CLNT_CB_NULL = 0,
NFSPROC4_CLNT_CB_RECALL,
NFSPROC4_CLNT_CB_LAYOUT,
+ NFSPROC4_CLNT_CB_OFFLOAD,
NFSPROC4_CLNT_CB_SEQUENCE,
NFSPROC4_CLNT_CB_NOTIFY_LOCK,
};
@@ -592,7 +619,7 @@
struct nfsd4_blocked_lock {
struct list_head nbl_list;
struct list_head nbl_lru;
- time_t nbl_time;
+ time64_t nbl_time;
struct file_lock nbl_lock;
struct knfsd_fh nbl_fh;
struct nfsd4_callback nbl_cb;
@@ -600,21 +627,27 @@
struct nfsd4_compound_state;
struct nfsd_net;
+struct nfsd4_copy;
extern __be32 nfs4_preprocess_stateid_op(struct svc_rqst *rqstp,
struct nfsd4_compound_state *cstate, struct svc_fh *fhp,
- stateid_t *stateid, int flags, struct file **filp, bool *tmp_file);
+ stateid_t *stateid, int flags, struct nfsd_file **filp,
+ struct nfs4_stid **cstid);
__be32 nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate,
stateid_t *stateid, unsigned char typemask,
struct nfs4_stid **s, struct nfsd_net *nn);
struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl, struct kmem_cache *slab,
void (*sc_free)(struct nfs4_stid *));
+int nfs4_init_copy_state(struct nfsd_net *nn, struct nfsd4_copy *copy);
+void nfs4_free_copy_state(struct nfsd4_copy *copy);
+struct nfs4_cpntf_state *nfs4_alloc_init_cpntf_state(struct nfsd_net *nn,
+ struct nfs4_stid *p_stid);
void nfs4_unhash_stid(struct nfs4_stid *s);
void nfs4_put_stid(struct nfs4_stid *s);
void nfs4_inc_and_copy_stateid(stateid_t *dst, struct nfs4_stid *stid);
void nfs4_remove_reclaim_record(struct nfs4_client_reclaim *, struct nfsd_net *);
extern void nfs4_release_reclaim(struct nfsd_net *);
-extern struct nfs4_client_reclaim *nfsd4_find_reclaim_client(const char *recdir,
+extern struct nfs4_client_reclaim *nfsd4_find_reclaim_client(struct xdr_netobj name,
struct nfsd_net *nn);
extern __be32 nfs4_check_open_reclaim(clientid_t *clid,
struct nfsd4_compound_state *cstate, struct nfsd_net *nn);
@@ -627,18 +660,27 @@
extern int nfsd4_create_callback_queue(void);
extern void nfsd4_destroy_callback_queue(void);
extern void nfsd4_shutdown_callback(struct nfs4_client *);
+extern void nfsd4_shutdown_copy(struct nfs4_client *clp);
extern void nfsd4_prepare_cb_recall(struct nfs4_delegation *dp);
-extern struct nfs4_client_reclaim *nfs4_client_to_reclaim(const char *name,
- struct nfsd_net *nn);
-extern bool nfs4_has_reclaimed_state(const char *name, struct nfsd_net *nn);
+extern struct nfs4_client_reclaim *nfs4_client_to_reclaim(struct xdr_netobj name,
+ struct xdr_netobj princhash, struct nfsd_net *nn);
+extern bool nfs4_has_reclaimed_state(struct xdr_netobj name, struct nfsd_net *nn);
struct nfs4_file *find_file(struct knfsd_fh *fh);
void put_nfs4_file(struct nfs4_file *fi);
+extern void nfs4_put_copy(struct nfsd4_copy *copy);
+extern struct nfsd4_copy *
+find_async_copy(struct nfs4_client *clp, stateid_t *staetid);
+extern void nfs4_put_cpntf_state(struct nfsd_net *nn,
+ struct nfs4_cpntf_state *cps);
+extern __be32 manage_cpntf_state(struct nfsd_net *nn, stateid_t *st,
+ struct nfs4_client *clp,
+ struct nfs4_cpntf_state **cps);
static inline void get_nfs4_file(struct nfs4_file *fi)
{
refcount_inc(&fi->fi_ref);
}
-struct file *find_any_file(struct nfs4_file *f);
+struct nfsd_file *find_any_file(struct nfs4_file *f);
/* grace period management */
void nfsd4_end_grace(struct nfsd_net *nn);
@@ -650,32 +692,5 @@
extern void nfsd4_client_record_remove(struct nfs4_client *clp);
extern int nfsd4_client_record_check(struct nfs4_client *clp);
extern void nfsd4_record_grace_done(struct nfsd_net *nn);
-
-/* nfs fault injection functions */
-#ifdef CONFIG_NFSD_FAULT_INJECTION
-int nfsd_fault_inject_init(void);
-void nfsd_fault_inject_cleanup(void);
-
-u64 nfsd_inject_print_clients(void);
-u64 nfsd_inject_forget_client(struct sockaddr_storage *, size_t);
-u64 nfsd_inject_forget_clients(u64);
-
-u64 nfsd_inject_print_locks(void);
-u64 nfsd_inject_forget_client_locks(struct sockaddr_storage *, size_t);
-u64 nfsd_inject_forget_locks(u64);
-
-u64 nfsd_inject_print_openowners(void);
-u64 nfsd_inject_forget_client_openowners(struct sockaddr_storage *, size_t);
-u64 nfsd_inject_forget_openowners(u64);
-
-u64 nfsd_inject_print_delegations(void);
-u64 nfsd_inject_forget_client_delegations(struct sockaddr_storage *, size_t);
-u64 nfsd_inject_forget_delegations(u64);
-u64 nfsd_inject_recall_client_delegations(struct sockaddr_storage *, size_t);
-u64 nfsd_inject_recall_delegations(u64);
-#else /* CONFIG_NFSD_FAULT_INJECTION */
-static inline int nfsd_fault_inject_init(void) { return 0; }
-static inline void nfsd_fault_inject_cleanup(void) {}
-#endif /* CONFIG_NFSD_FAULT_INJECTION */
#endif /* NFSD4_STATE_H */
--
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