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Diffstat (limited to 'fs/nfs/callback.h')
-rw-r--r--fs/nfs/callback.h102
1 files changed, 47 insertions, 55 deletions
diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index 84326e9fb47a..154a6ed1299f 100644
--- a/fs/nfs/callback.h
+++ b/fs/nfs/callback.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* linux/fs/nfs/callback.h
*
@@ -18,31 +19,14 @@ enum nfs4_callback_procnum {
CB_COMPOUND = 1,
};
-enum nfs4_callback_opnum {
- OP_CB_GETATTR = 3,
- OP_CB_RECALL = 4,
-/* Callback operations new to NFSv4.1 */
- OP_CB_LAYOUTRECALL = 5,
- OP_CB_NOTIFY = 6,
- OP_CB_PUSH_DELEG = 7,
- OP_CB_RECALL_ANY = 8,
- OP_CB_RECALLABLE_OBJ_AVAIL = 9,
- OP_CB_RECALL_SLOT = 10,
- OP_CB_SEQUENCE = 11,
- OP_CB_WANTS_CANCELLED = 12,
- OP_CB_NOTIFY_LOCK = 13,
- OP_CB_NOTIFY_DEVICEID = 14,
-/* Callback operations new to NFSv4.2 */
- OP_CB_OFFLOAD = 15,
- OP_CB_ILLEGAL = 10044,
-};
-
+struct nfs4_slot;
struct cb_process_state {
- __be32 drc_status;
struct nfs_client *clp;
- u32 slotid;
- u32 minorversion;
+ struct nfs4_slot *slot;
struct net *net;
+ u32 minorversion;
+ __be32 drc_status;
+ unsigned int referring_calls;
};
struct cb_compound_hdr_arg {
@@ -61,22 +45,21 @@ struct cb_compound_hdr_res {
};
struct cb_getattrargs {
- struct sockaddr *addr;
struct nfs_fh fh;
- uint32_t bitmap[2];
+ uint32_t bitmap[3];
};
struct cb_getattrres {
__be32 status;
- uint32_t bitmap[2];
+ uint32_t bitmap[3];
uint64_t size;
uint64_t change_attr;
- struct timespec ctime;
- struct timespec mtime;
+ struct timespec64 atime;
+ struct timespec64 ctime;
+ struct timespec64 mtime;
};
struct cb_recallargs {
- struct sockaddr *addr;
struct nfs_fh fh;
nfs4_stateid stateid;
uint32_t truncate;
@@ -115,13 +98,9 @@ struct cb_sequenceres {
uint32_t csr_target_highestslotid;
};
-extern __be32 nfs4_callback_sequence(struct cb_sequenceargs *args,
- struct cb_sequenceres *res,
+extern __be32 nfs4_callback_sequence(void *argp, void *resp,
struct cb_process_state *cps);
-extern int nfs41_validate_delegation_stateid(struct nfs_delegation *delegation,
- const nfs4_stateid *stateid);
-
#define RCA4_TYPE_MASK_RDATA_DLG 0
#define RCA4_TYPE_MASK_WDATA_DLG 1
#define RCA4_TYPE_MASK_DIR_DLG 2
@@ -131,28 +110,25 @@ extern int nfs41_validate_delegation_stateid(struct nfs_delegation *delegation,
#define RCA4_TYPE_MASK_OBJ_LAYOUT_MAX 9
#define RCA4_TYPE_MASK_OTHER_LAYOUT_MIN 12
#define RCA4_TYPE_MASK_OTHER_LAYOUT_MAX 15
-#define RCA4_TYPE_MASK_ALL 0xf31f
+#define PNFS_FF_RCA4_TYPE_MASK_READ 16
+#define PNFS_FF_RCA4_TYPE_MASK_RW 17
+#define RCA4_TYPE_MASK_ALL 0x3f31f
struct cb_recallanyargs {
- struct sockaddr *craa_addr;
uint32_t craa_objs_to_keep;
uint32_t craa_type_mask;
};
-extern __be32 nfs4_callback_recallany(struct cb_recallanyargs *args,
- void *dummy,
+extern __be32 nfs4_callback_recallany(void *argp, void *resp,
struct cb_process_state *cps);
struct cb_recallslotargs {
- struct sockaddr *crsa_addr;
uint32_t crsa_target_highest_slotid;
};
-extern __be32 nfs4_callback_recallslot(struct cb_recallslotargs *args,
- void *dummy,
+extern __be32 nfs4_callback_recallslot(void *argp, void *resp,
struct cb_process_state *cps);
struct cb_layoutrecallargs {
- struct sockaddr *cbl_addr;
uint32_t cbl_recall_type;
uint32_t cbl_layout_type;
uint32_t cbl_layoutchanged;
@@ -166,9 +142,8 @@ struct cb_layoutrecallargs {
};
};
-extern __be32 nfs4_callback_layoutrecall(
- struct cb_layoutrecallargs *args,
- void *dummy, struct cb_process_state *cps);
+extern __be32 nfs4_callback_layoutrecall(void *argp, void *resp,
+ struct cb_process_state *cps);
struct cb_devicenotifyitem {
uint32_t cbd_notify_type;
@@ -178,27 +153,42 @@ struct cb_devicenotifyitem {
};
struct cb_devicenotifyargs {
- int ndevs;
+ uint32_t ndevs;
struct cb_devicenotifyitem *devs;
};
-extern __be32 nfs4_callback_devicenotify(
- struct cb_devicenotifyargs *args,
- void *dummy, struct cb_process_state *cps);
+extern __be32 nfs4_callback_devicenotify(void *argp, void *resp,
+ struct cb_process_state *cps);
+struct cb_notify_lock_args {
+ struct nfs_fh cbnl_fh;
+ struct nfs_lowner cbnl_owner;
+ bool cbnl_valid;
+};
+
+extern __be32 nfs4_callback_notify_lock(void *argp, void *resp,
+ struct cb_process_state *cps);
#endif /* CONFIG_NFS_V4_1 */
+#ifdef CONFIG_NFS_V4_2
+struct cb_offloadargs {
+ struct nfs_fh coa_fh;
+ nfs4_stateid coa_stateid;
+ uint32_t error;
+ uint64_t wr_count;
+ struct nfs_writeverf wr_writeverf;
+};
+
+extern __be32 nfs4_callback_offload(void *args, void *dummy,
+ struct cb_process_state *cps);
+#endif /* CONFIG_NFS_V4_2 */
extern int check_gss_callback_principal(struct nfs_client *, struct svc_rqst *);
-extern __be32 nfs4_callback_getattr(struct cb_getattrargs *args,
- struct cb_getattrres *res,
+extern __be32 nfs4_callback_getattr(void *argp, void *resp,
struct cb_process_state *cps);
-extern __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy,
+extern __be32 nfs4_callback_recall(void *argp, void *resp,
struct cb_process_state *cps);
#if IS_ENABLED(CONFIG_NFS_V4)
extern int nfs_callback_up(u32 minorversion, struct rpc_xprt *xprt);
extern void nfs_callback_down(int minorversion, struct net *net);
-extern int nfs4_validate_delegation_stateid(struct nfs_delegation *delegation,
- const nfs4_stateid *stateid);
-extern int nfs4_set_callback_sessionid(struct nfs_client *clp);
#endif /* CONFIG_NFS_V4 */
/*
* nfs41: Callbacks are expected to not cause substantial latency,
@@ -208,7 +198,9 @@ extern int nfs4_set_callback_sessionid(struct nfs_client *clp);
#define NFS41_BC_MIN_CALLBACKS 1
#define NFS41_BC_MAX_CALLBACKS 1
+#define NFS4_MIN_NR_CALLBACK_THREADS 1
+
extern unsigned int nfs_callback_set_tcpport;
-extern unsigned short nfs_callback_tcpport;
+extern unsigned short nfs_callback_nr_threads;
#endif /* __LINUX_FS_NFS_CALLBACK_H */