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Diffstat (limited to 'fs/nfsd/xdr4.h')
-rw-r--r--fs/nfsd/xdr4.h526
1 files changed, 415 insertions, 111 deletions
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index 72c6ad136107..ae75846b3cd7 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -46,9 +46,137 @@
#define CURRENT_STATE_ID_FLAG (1<<0)
#define SAVED_STATE_ID_FLAG (1<<1)
-#define SET_STATE_ID(c, f) ((c)->sid_flags |= (f))
-#define HAS_STATE_ID(c, f) ((c)->sid_flags & (f))
-#define CLEAR_STATE_ID(c, f) ((c)->sid_flags &= ~(f))
+#define SET_CSTATE_FLAG(c, f) ((c)->sid_flags |= (f))
+#define HAS_CSTATE_FLAG(c, f) ((c)->sid_flags & (f))
+#define CLEAR_CSTATE_FLAG(c, f) ((c)->sid_flags &= ~(f))
+
+/**
+ * nfsd4_encode_bool - Encode an XDR bool type result
+ * @xdr: target XDR stream
+ * @val: boolean value to encode
+ *
+ * Return values:
+ * %nfs_ok: @val encoded; @xdr advanced to next position
+ * %nfserr_resource: stream buffer space exhausted
+ */
+static __always_inline __be32
+nfsd4_encode_bool(struct xdr_stream *xdr, bool val)
+{
+ __be32 *p = xdr_reserve_space(xdr, XDR_UNIT);
+
+ if (unlikely(p == NULL))
+ return nfserr_resource;
+ *p = val ? xdr_one : xdr_zero;
+ return nfs_ok;
+}
+
+/**
+ * nfsd4_encode_uint32_t - Encode an XDR uint32_t type result
+ * @xdr: target XDR stream
+ * @val: integer value to encode
+ *
+ * Return values:
+ * %nfs_ok: @val encoded; @xdr advanced to next position
+ * %nfserr_resource: stream buffer space exhausted
+ */
+static __always_inline __be32
+nfsd4_encode_uint32_t(struct xdr_stream *xdr, u32 val)
+{
+ __be32 *p = xdr_reserve_space(xdr, XDR_UNIT);
+
+ if (unlikely(p == NULL))
+ return nfserr_resource;
+ *p = cpu_to_be32(val);
+ return nfs_ok;
+}
+
+#define nfsd4_encode_aceflag4(x, v) nfsd4_encode_uint32_t(x, v)
+#define nfsd4_encode_acemask4(x, v) nfsd4_encode_uint32_t(x, v)
+#define nfsd4_encode_acetype4(x, v) nfsd4_encode_uint32_t(x, v)
+#define nfsd4_encode_count4(x, v) nfsd4_encode_uint32_t(x, v)
+#define nfsd4_encode_mode4(x, v) nfsd4_encode_uint32_t(x, v)
+#define nfsd4_encode_nfs_lease4(x, v) nfsd4_encode_uint32_t(x, v)
+#define nfsd4_encode_qop4(x, v) nfsd4_encode_uint32_t(x, v)
+#define nfsd4_encode_sequenceid4(x, v) nfsd4_encode_uint32_t(x, v)
+#define nfsd4_encode_slotid4(x, v) nfsd4_encode_uint32_t(x, v)
+
+/**
+ * nfsd4_encode_uint64_t - Encode an XDR uint64_t type result
+ * @xdr: target XDR stream
+ * @val: integer value to encode
+ *
+ * Return values:
+ * %nfs_ok: @val encoded; @xdr advanced to next position
+ * %nfserr_resource: stream buffer space exhausted
+ */
+static __always_inline __be32
+nfsd4_encode_uint64_t(struct xdr_stream *xdr, u64 val)
+{
+ __be32 *p = xdr_reserve_space(xdr, XDR_UNIT * 2);
+
+ if (unlikely(p == NULL))
+ return nfserr_resource;
+ put_unaligned_be64(val, p);
+ return nfs_ok;
+}
+
+#define nfsd4_encode_changeid4(x, v) nfsd4_encode_uint64_t(x, v)
+#define nfsd4_encode_nfs_cookie4(x, v) nfsd4_encode_uint64_t(x, v)
+#define nfsd4_encode_length4(x, v) nfsd4_encode_uint64_t(x, v)
+#define nfsd4_encode_offset4(x, v) nfsd4_encode_uint64_t(x, v)
+
+/**
+ * nfsd4_encode_opaque_fixed - Encode a fixed-length XDR opaque type result
+ * @xdr: target XDR stream
+ * @data: pointer to data
+ * @size: length of data in bytes
+ *
+ * Return values:
+ * %nfs_ok: @data encoded; @xdr advanced to next position
+ * %nfserr_resource: stream buffer space exhausted
+ */
+static __always_inline __be32
+nfsd4_encode_opaque_fixed(struct xdr_stream *xdr, const void *data,
+ size_t size)
+{
+ __be32 *p = xdr_reserve_space(xdr, xdr_align_size(size));
+ size_t pad = xdr_pad_size(size);
+
+ if (unlikely(p == NULL))
+ return nfserr_resource;
+ memcpy(p, data, size);
+ if (pad)
+ memset((char *)p + size, 0, pad);
+ return nfs_ok;
+}
+
+/**
+ * nfsd4_encode_opaque - Encode a variable-length XDR opaque type result
+ * @xdr: target XDR stream
+ * @data: pointer to data
+ * @size: length of data in bytes
+ *
+ * Return values:
+ * %nfs_ok: @data encoded; @xdr advanced to next position
+ * %nfserr_resource: stream buffer space exhausted
+ */
+static __always_inline __be32
+nfsd4_encode_opaque(struct xdr_stream *xdr, const void *data, size_t size)
+{
+ size_t pad = xdr_pad_size(size);
+ __be32 *p;
+
+ p = xdr_reserve_space(xdr, XDR_UNIT + xdr_align_size(size));
+ if (unlikely(p == NULL))
+ return nfserr_resource;
+ *p++ = cpu_to_be32(size);
+ memcpy(p, data, size);
+ if (pad)
+ memset((char *)p + size, 0, pad);
+ return nfs_ok;
+}
+
+#define nfsd4_encode_component4(x, d, s) nfsd4_encode_opaque(x, d, s)
struct nfsd4_compound_state {
struct svc_fh current_fh;
@@ -76,12 +204,7 @@ static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs)
struct nfsd4_change_info {
u32 atomic;
- bool change_supported;
- u32 before_ctime_sec;
- u32 before_ctime_nsec;
u64 before_change;
- u32 after_ctime_sec;
- u32 after_ctime_nsec;
u64 after_change;
};
@@ -110,6 +233,7 @@ struct nfsd4_create {
struct {
u32 datalen;
char *data;
+ struct kvec first;
} link; /* NF4LNK */
struct {
u32 specdata1;
@@ -118,12 +242,14 @@ struct nfsd4_create {
} u;
u32 cr_bmval[3]; /* request */
struct iattr cr_iattr; /* request */
+ int cr_umask; /* request */
struct nfsd4_change_info cr_cinfo; /* response */
struct nfs4_acl *cr_acl;
struct xdr_netobj cr_label;
};
#define cr_datalen u.link.datalen
#define cr_data u.link.data
+#define cr_first u.link.first
#define cr_specdata1 u.dev.specdata1
#define cr_specdata2 u.dev.specdata2
@@ -172,12 +298,8 @@ struct nfsd4_lock {
} v;
/* response */
- union {
- struct {
- stateid_t stateid;
- } ok;
- struct nfsd4_lock_denied denied;
- } u;
+ stateid_t lk_resp_stateid;
+ struct nfsd4_lock_denied lk_denied;
};
#define lk_new_open_seqid v.new.open_seqid
#define lk_new_open_stateid v.new.open_stateid
@@ -187,20 +309,15 @@ struct nfsd4_lock {
#define lk_old_lock_stateid v.old.lock_stateid
#define lk_old_lock_seqid v.old.lock_seqid
-#define lk_resp_stateid u.ok.stateid
-#define lk_denied u.denied
-
-
struct nfsd4_lockt {
u32 lt_type;
clientid_t lt_clientid;
struct xdr_netobj lt_owner;
u64 lt_offset;
u64 lt_length;
- struct nfsd4_lock_denied lt_denied;
+ struct nfsd4_lock_denied lt_denied;
};
-
struct nfsd4_locku {
u32 lu_type;
u32 lu_seqid;
@@ -218,16 +335,45 @@ struct nfsd4_lookup {
struct nfsd4_putfh {
u32 pf_fhlen; /* request */
char *pf_fhval; /* request */
+ bool no_verify; /* represents foreigh fh */
+};
+
+struct nfsd4_getxattr {
+ char *getxa_name; /* request */
+ u32 getxa_len; /* request */
+ void *getxa_buf;
+};
+
+struct nfsd4_setxattr {
+ u32 setxa_flags; /* request */
+ char *setxa_name; /* request */
+ char *setxa_buf; /* request */
+ u32 setxa_len; /* request */
+ struct nfsd4_change_info setxa_cinfo; /* response */
+};
+
+struct nfsd4_removexattr {
+ char *rmxa_name; /* request */
+ struct nfsd4_change_info rmxa_cinfo; /* response */
+};
+
+struct nfsd4_listxattrs {
+ u64 lsxa_cookie; /* request */
+ u32 lsxa_maxcount; /* request */
+ char *lsxa_buf; /* unfiltered buffer (reply) */
+ u32 lsxa_len; /* unfiltered len (reply) */
};
struct nfsd4_open {
u32 op_claim_type; /* request */
- struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */
+ u32 op_fnamelen;
+ char * op_fname; /* request - everything but CLAIM_PREV */
u32 op_delegate_type; /* request - CLAIM_PREV only */
stateid_t op_delegate_stateid; /* request - response */
u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */
u32 op_create; /* request */
u32 op_createmode; /* request */
+ int op_umask; /* request */
u32 op_bmval[3]; /* request */
struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */
nfs4_verifier op_verf __attribute__((aligned(32)));
@@ -240,17 +386,19 @@ struct nfsd4_open {
u32 op_deleg_want; /* request */
stateid_t op_stateid; /* response */
__be32 op_xdr_error; /* see nfsd4_open_omfg() */
- u32 op_recall; /* recall */
struct nfsd4_change_info op_cinfo; /* response */
u32 op_rflags; /* response */
+ bool op_recall; /* response */
bool op_truncate; /* used during processing */
bool op_created; /* used during processing */
struct nfs4_openowner *op_openowner; /* used during processing */
+ struct file *op_filp; /* used during processing */
struct nfs4_file *op_file; /* used during processing */
struct nfs4_ol_stateid *op_stp; /* used during processing */
struct nfs4_clnt_odstate *op_odstate; /* used during processing */
struct nfs4_acl *op_acl;
struct xdr_netobj op_label;
+ struct svc_rqst *op_rqstp;
};
struct nfsd4_open_confirm {
@@ -269,15 +417,15 @@ struct nfsd4_open_downgrade {
struct nfsd4_read {
- stateid_t rd_stateid; /* request */
- u64 rd_offset; /* request */
- u32 rd_length; /* request */
- int rd_vlen;
- struct file *rd_filp;
- bool rd_tmp_file;
-
- struct svc_rqst *rd_rqstp; /* response */
- struct svc_fh * rd_fhp; /* response */
+ stateid_t rd_stateid; /* request */
+ u64 rd_offset; /* request */
+ u32 rd_length; /* request */
+ int rd_vlen;
+ struct nfsd_file *rd_nf;
+
+ struct svc_rqst *rd_rqstp; /* response */
+ struct svc_fh *rd_fhp; /* response */
+ u32 rd_eof; /* response */
};
struct nfsd4_readdir {
@@ -355,13 +503,6 @@ struct nfsd4_setclientid_confirm {
nfs4_verifier sc_confirm;
};
-struct nfsd4_saved_compoundargs {
- __be32 *p;
- __be32 *end;
- int pagelen;
- struct page **pagelist;
-};
-
struct nfsd4_test_stateid_id {
__be32 ts_id_status;
stateid_t ts_id_stateid;
@@ -377,6 +518,24 @@ struct nfsd4_free_stateid {
stateid_t fr_stateid; /* request */
};
+struct nfsd4_get_dir_delegation {
+ /* request */
+ u32 gdda_signal_deleg_avail;
+ u32 gdda_notification_types[1];
+ struct timespec64 gdda_child_attr_delay;
+ struct timespec64 gdda_dir_attr_delay;
+ u32 gdda_child_attributes[3];
+ u32 gdda_dir_attributes[3];
+ /* response */
+ u32 gddrnf_status;
+ nfs4_verifier gddr_cookieverf;
+ stateid_t gddr_stateid;
+ u32 gddr_notification[1];
+ u32 gddr_child_attributes[3];
+ u32 gddr_dir_attributes[3];
+ bool gddrnf_will_signal_deleg_avail;
+};
+
/* also used for NVERIFY */
struct nfsd4_verify {
u32 ve_bmval[3]; /* request */
@@ -389,8 +548,7 @@ struct nfsd4_write {
u64 wr_offset; /* request */
u32 wr_stable_how; /* request */
u32 wr_buflen; /* request */
- struct kvec wr_head;
- struct page ** wr_pagelist; /* request */
+ struct xdr_buf wr_payload; /* request */
u32 wr_bytes_written; /* response */
u32 wr_how_written; /* response */
@@ -403,20 +561,23 @@ struct nfsd4_exchange_id {
u32 flags;
clientid_t clientid;
u32 seqid;
- int spa_how;
+ u32 spa_how;
u32 spo_must_enforce[3];
u32 spo_must_allow[3];
+ struct xdr_netobj nii_domain;
+ struct xdr_netobj nii_name;
+ struct timespec64 nii_time;
+ char *server_impl_name;
};
struct nfsd4_sequence {
struct nfs4_sessionid sessionid; /* request/response */
u32 seqid; /* request/response */
u32 slotid; /* request/response */
- u32 maxslots; /* request/response */
+ u32 maxslots; /* request */
u32 cachethis; /* request */
-#if 0
+ u32 maxslots_response; /* response */
u32 target_maxslots; /* response */
-#endif /* not yet */
u32 status_flags; /* response */
};
@@ -435,9 +596,43 @@ struct nfsd4_reclaim_complete {
struct nfsd4_deviceid {
u64 fsid_idx;
u32 generation;
- u32 pad;
};
+static inline __be32 *
+svcxdr_encode_deviceid4(__be32 *p, const struct nfsd4_deviceid *devid)
+{
+ __be64 *q = (__be64 *)p;
+
+ *q = (__force __be64)devid->fsid_idx;
+ p += 2;
+ *p++ = (__force __be32)devid->generation;
+ *p++ = xdr_zero;
+ return p;
+}
+
+static inline __be32 *
+svcxdr_decode_deviceid4(__be32 *p, struct nfsd4_deviceid *devid)
+{
+ __be64 *q = (__be64 *)p;
+
+ devid->fsid_idx = (__force u64)(*q);
+ p += 2;
+ devid->generation = (__force u32)(*p++);
+ p++; /* NFSD does not use the remaining octets */
+ return p;
+}
+
+static inline __be32
+nfsd4_decode_deviceid4(struct xdr_stream *xdr, struct nfsd4_deviceid *devid)
+{
+ __be32 *p = xdr_inline_decode(xdr, NFS4_DEVICEID4_SIZE);
+
+ if (unlikely(!p))
+ return nfserr_bad_xdr;
+ svcxdr_decode_deviceid4(p, devid);
+ return nfs_ok;
+}
+
struct nfsd4_layout_seg {
u32 iomode;
u64 offset;
@@ -468,11 +663,10 @@ struct nfsd4_layoutcommit {
u32 lc_reclaim; /* request */
u32 lc_newoffset; /* request */
u64 lc_last_wr; /* request */
- struct timespec lc_mtime; /* request */
+ struct timespec64 lc_mtime; /* request */
u32 lc_layout_type; /* request */
- u32 lc_up_len; /* layout length */
- void *lc_up_layout; /* decoded by callback */
- u32 lc_size_chg; /* boolean for response */
+ struct xdr_buf lc_up_layout; /* decoded by callback */
+ bool lc_size_chg; /* response */
u64 lc_newsize; /* response */
};
@@ -484,7 +678,7 @@ struct nfsd4_layoutreturn {
u32 lrf_body_len; /* request */
void *lrf_body; /* request */
stateid_t lr_sid; /* request/response */
- u32 lrs_present; /* response */
+ bool lrs_present; /* response */
};
struct nfsd4_fallocate {
@@ -507,24 +701,87 @@ struct nfsd42_write_res {
u64 wr_bytes_written;
u32 wr_stable_how;
nfs4_verifier wr_verifier;
+ stateid_t cb_stateid;
+};
+
+struct nfsd4_cb_offload {
+ struct nfsd4_callback co_cb;
+ struct nfsd42_write_res co_res;
+ __be32 co_nfserr;
+ unsigned int co_retries;
+ struct knfsd_fh co_fh;
+
+ struct nfs4_sessionid co_referring_sessionid;
+ u32 co_referring_slotid;
+ u32 co_referring_seqno;
};
struct nfsd4_copy {
/* request */
- stateid_t cp_src_stateid;
- stateid_t cp_dst_stateid;
- u64 cp_src_pos;
- u64 cp_dst_pos;
- u64 cp_count;
-
- /* both */
- bool cp_consecutive;
- bool cp_synchronous;
+ stateid_t cp_src_stateid;
+ stateid_t cp_dst_stateid;
+ u64 cp_src_pos;
+ u64 cp_dst_pos;
+ u64 cp_count;
+ struct nl4_server *cp_src;
+
+ unsigned long cp_flags;
+#define NFSD4_COPY_F_STOPPED (0)
+#define NFSD4_COPY_F_INTRA (1)
+#define NFSD4_COPY_F_SYNCHRONOUS (2)
+#define NFSD4_COPY_F_COMMITTED (3)
+#define NFSD4_COPY_F_COMPLETED (4)
+#define NFSD4_COPY_F_OFFLOAD_DONE (5)
/* response */
+ __be32 nfserr;
struct nfsd42_write_res cp_res;
+ struct knfsd_fh fh;
+
+ /* offload callback */
+ struct nfsd4_cb_offload cp_cb_offload;
+
+ struct nfs4_client *cp_clp;
+
+ struct nfsd_file *nf_src;
+ struct nfsd_file *nf_dst;
+
+ copy_stateid_t cp_stateid;
+
+ struct list_head copies;
+ struct task_struct *copy_task;
+ refcount_t refcount;
+ unsigned int cp_ttl;
+
+ struct nfsd4_ssc_umount_item *ss_nsui;
+ struct nfs_fh c_fh;
+ nfs4_stateid stateid;
+ struct nfsd_net *cp_nn;
};
+static inline void nfsd4_copy_set_sync(struct nfsd4_copy *copy, bool sync)
+{
+ if (sync)
+ set_bit(NFSD4_COPY_F_SYNCHRONOUS, &copy->cp_flags);
+ else
+ clear_bit(NFSD4_COPY_F_SYNCHRONOUS, &copy->cp_flags);
+}
+
+static inline bool nfsd4_copy_is_sync(const struct nfsd4_copy *copy)
+{
+ return test_bit(NFSD4_COPY_F_SYNCHRONOUS, &copy->cp_flags);
+}
+
+static inline bool nfsd4_copy_is_async(const struct nfsd4_copy *copy)
+{
+ return !test_bit(NFSD4_COPY_F_SYNCHRONOUS, &copy->cp_flags);
+}
+
+static inline bool nfsd4_ssc_is_inter(const struct nfsd4_copy *copy)
+{
+ return !test_bit(NFSD4_COPY_F_INTRA, &copy->cp_flags);
+}
+
struct nfsd4_seek {
/* request */
stateid_t seek_stateid;
@@ -536,9 +793,32 @@ struct nfsd4_seek {
loff_t seek_pos;
};
+struct nfsd4_offload_status {
+ /* request */
+ stateid_t stateid;
+
+ /* response */
+ u64 count;
+ __be32 status;
+ bool completed;
+};
+
+struct nfsd4_copy_notify {
+ /* request */
+ stateid_t cpn_src_stateid;
+ struct nl4_server *cpn_dst;
+
+ /* response */
+ stateid_t cpn_cnr_stateid;
+ struct timespec64 cpn_lease_time;
+ struct nl4_server *cpn_src;
+};
+
struct nfsd4_op {
- int opnum;
+ u32 opnum;
__be32 status;
+ const struct nfsd4_operation *opdesc;
+ struct nfs4_replay *replay;
union nfsd4_op_u {
struct nfsd4_access access;
struct nfsd4_close close;
@@ -582,6 +862,7 @@ struct nfsd4_op {
struct nfsd4_reclaim_complete reclaim_complete;
struct nfsd4_test_stateid test_stateid;
struct nfsd4_free_stateid free_stateid;
+ struct nfsd4_get_dir_delegation get_dir_delegation;
struct nfsd4_getdeviceinfo getdeviceinfo;
struct nfsd4_layoutget layoutget;
struct nfsd4_layoutcommit layoutcommit;
@@ -593,9 +874,15 @@ struct nfsd4_op {
struct nfsd4_fallocate deallocate;
struct nfsd4_clone clone;
struct nfsd4_copy copy;
+ struct nfsd4_offload_status offload_status;
+ struct nfsd4_copy_notify copy_notify;
struct nfsd4_seek seek;
+
+ struct nfsd4_getxattr getxattr;
+ struct nfsd4_setxattr setxattr;
+ struct nfsd4_listxattrs listxattrs;
+ struct nfsd4_removexattr removexattr;
} u;
- struct nfs4_replay * replay;
};
bool nfsd4_cache_this_op(struct nfsd4_op *);
@@ -610,49 +897,33 @@ struct svcxdr_tmpbuf {
struct nfsd4_compoundargs {
/* scratch variables for XDR decode */
- __be32 * p;
- __be32 * end;
- struct page ** pagelist;
- int pagelen;
- __be32 tmp[8];
- __be32 * tmpp;
+ struct xdr_stream *xdr;
struct svcxdr_tmpbuf *to_free;
-
struct svc_rqst *rqstp;
- u32 taglen;
char * tag;
+ u32 taglen;
u32 minorversion;
+ u32 client_opcnt;
u32 opcnt;
+ bool splice_ok;
struct nfsd4_op *ops;
struct nfsd4_op iops[8];
- int cachetype;
};
struct nfsd4_compoundres {
/* scratch variables for XDR encode */
- struct xdr_stream xdr;
+ struct xdr_stream *xdr;
struct svc_rqst * rqstp;
- u32 taglen;
+ __be32 *statusp;
char * tag;
+ u32 taglen;
u32 opcnt;
- __be32 * tagp; /* tag, opcount encode location */
+
struct nfsd4_compound_state cstate;
};
-static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp)
-{
- struct nfsd4_compoundargs *args = resp->rqstp->rq_argp;
- return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE;
-}
-
-static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
-{
- return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS)
- || nfsd4_is_solo_sequence(resp);
-}
-
static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp)
{
struct nfsd4_compoundres *resp = rqstp->rq_resp;
@@ -661,32 +932,15 @@ static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp)
return argp->opcnt == resp->opcnt;
}
+const struct nfsd4_operation *OPDESC(struct nfsd4_op *op);
int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op);
void warn_on_nonidempotent_op(struct nfsd4_op *op);
#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
-static inline void
-set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
-{
- BUG_ON(!fhp->fh_pre_saved);
- cinfo->atomic = (u32)fhp->fh_post_saved;
- cinfo->change_supported = IS_I_VERSION(d_inode(fhp->fh_dentry));
-
- cinfo->before_change = fhp->fh_pre_change;
- cinfo->after_change = fhp->fh_post_change;
- cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
- cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
- cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
- cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
-
-}
-
-
bool nfsd4_mach_creds_match(struct nfs4_client *cl, struct svc_rqst *rqstp);
-int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *);
-int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *);
-int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *);
+bool nfs4svc_decode_compoundargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
+bool nfs4svc_encode_compoundres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
__be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32);
void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op);
@@ -698,6 +952,7 @@ extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
+void nfsd4_exchange_id_release(union nfsd4_op_u *u);
extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *,
@@ -730,8 +985,10 @@ extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
union nfsd4_op_u *u);
+extern void nfsd4_lock_release(union nfsd4_op_u *u);
extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
union nfsd4_op_u *u);
+extern void nfsd4_lockt_release(union nfsd4_op_u *u);
extern __be32 nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
union nfsd4_op_u *u);
extern __be32
@@ -748,10 +1005,57 @@ extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *);
extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr);
-#endif
+enum nfsd4_op_flags {
+ ALLOWED_WITHOUT_FH = 1 << 0, /* No current filehandle required */
+ ALLOWED_ON_ABSENT_FS = 1 << 1, /* ops processed on absent fs */
+ ALLOWED_AS_FIRST_OP = 1 << 2, /* ops reqired first in compound */
+ /* For rfc 5661 section 2.6.3.1.1: */
+ OP_HANDLES_WRONGSEC = 1 << 3,
+ OP_IS_PUTFH_LIKE = 1 << 4,
+ /*
+ * These are the ops whose result size we estimate before
+ * encoding, to avoid performing an op then not being able to
+ * respond or cache a response. This includes writes and setattrs
+ * as well as the operations usually called "nonidempotent":
+ */
+ OP_MODIFIES_SOMETHING = 1 << 5,
+ /*
+ * Cache compounds containing these ops in the xid-based drc:
+ * We use the DRC for compounds containing non-idempotent
+ * operations, *except* those that are 4.1-specific (since
+ * sessions provide their own EOS), and except for stateful
+ * operations other than setclientid and setclientid_confirm
+ * (since sequence numbers provide EOS for open, lock, etc in
+ * the v4.0 case).
+ */
+ OP_CACHEME = 1 << 6,
+ /*
+ * These are ops which clear current state id.
+ */
+ OP_CLEAR_STATEID = 1 << 7,
+ /* Most ops return only an error on failure; some may do more: */
+ OP_NONTRIVIAL_ERROR_ENCODE = 1 << 8,
+};
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
+struct nfsd4_operation {
+ __be32 (*op_func)(struct svc_rqst *, struct nfsd4_compound_state *,
+ union nfsd4_op_u *);
+ void (*op_release)(union nfsd4_op_u *);
+ u32 op_flags;
+ char *op_name;
+ /* Try to get response size before operation */
+ u32 (*op_rsize_bop)(const struct svc_rqst *rqstp,
+ const struct nfsd4_op *op);
+ void (*op_get_currentstateid)(struct nfsd4_compound_state *,
+ union nfsd4_op_u *);
+ void (*op_set_currentstateid)(struct nfsd4_compound_state *,
+ union nfsd4_op_u *);
+};
+
+struct nfsd4_cb_recall_any {
+ struct nfsd4_callback ra_cb;
+ u32 ra_keep;
+ u32 ra_bmval[1];
+};
+
+#endif
generated by cgit (git 2.34.1) at 2025-12-26 00:54:29 +0000