add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/nfsd/xdr4.h
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@@ -46,9 +46,9 @@
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 #define CURRENT_STATE_ID_FLAG (1<<0)
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 #define SAVED_STATE_ID_FLAG (1<<1)
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-#define SET_STATE_ID(c, f) ((c)->sid_flags |= (f))
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-#define HAS_STATE_ID(c, f) ((c)->sid_flags & (f))
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-#define CLEAR_STATE_ID(c, f) ((c)->sid_flags &= ~(f))
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+#define SET_CSTATE_FLAG(c, f) ((c)->sid_flags |= (f))
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+#define HAS_CSTATE_FLAG(c, f) ((c)->sid_flags & (f))
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+#define CLEAR_CSTATE_FLAG(c, f) ((c)->sid_flags &= ~(f))
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 struct nfsd4_compound_state {
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 	struct svc_fh		current_fh;
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@@ -221,6 +221,33 @@
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 struct nfsd4_putfh {
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 	u32		pf_fhlen;           /* request */
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 	char		*pf_fhval;          /* request */
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+	bool		no_verify;	    /* represents foreigh fh */
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+};
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+
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+struct nfsd4_getxattr {
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+	char		*getxa_name;		/* request */
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+	u32		getxa_len;		/* request */
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+	void		*getxa_buf;
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+};
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+
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+struct nfsd4_setxattr {
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+	u32		setxa_flags;		/* request */
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+	char		*setxa_name;		/* request */
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+	char		*setxa_buf;		/* request */
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+	u32		setxa_len;		/* request */
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+	struct nfsd4_change_info  setxa_cinfo;	/* response */
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+};
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+
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+struct nfsd4_removexattr {
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+	char		*rmxa_name;		/* request */
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+	struct nfsd4_change_info  rmxa_cinfo;	/* response */
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+};
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+
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+struct nfsd4_listxattrs {
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+	u64		lsxa_cookie;		/* request */
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+	u32		lsxa_maxcount;		/* request */
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+	char		*lsxa_buf;		/* unfiltered buffer (reply) */
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+	u32		lsxa_len;		/* unfiltered len (reply) */
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 };
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 struct nfsd4_open {
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@@ -273,15 +300,14 @@
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 struct nfsd4_read {
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-	stateid_t	rd_stateid;         /* request */
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-	u64		rd_offset;          /* request */
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-	u32		rd_length;          /* request */
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-	int		rd_vlen;
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-	struct file     *rd_filp;
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-	bool		rd_tmp_file;
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+	stateid_t		rd_stateid;         /* request */
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+	u64			rd_offset;          /* request */
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+	u32			rd_length;          /* request */
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+	int			rd_vlen;
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+	struct nfsd_file	*rd_nf;
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-	struct svc_rqst *rd_rqstp;          /* response */
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-	struct svc_fh * rd_fhp;             /* response */
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+	struct svc_rqst		*rd_rqstp;          /* response */
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+	struct svc_fh		*rd_fhp;             /* response */
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 };
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 struct nfsd4_readdir {
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@@ -410,6 +436,9 @@
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 	int		spa_how;
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 	u32             spo_must_enforce[3];
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 	u32             spo_must_allow[3];
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+	struct xdr_netobj nii_domain;
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+	struct xdr_netobj nii_name;
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+	struct timespec64 nii_time;
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 };
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 struct nfsd4_sequence {
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@@ -472,7 +501,7 @@
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 	u32			lc_reclaim;	/* request */
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 	u32			lc_newoffset;	/* request */
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 	u64			lc_last_wr;	/* request */
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-	struct timespec		lc_mtime;	/* request */
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+	struct timespec64	lc_mtime;	/* request */
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 	u32			lc_layout_type;	/* request */
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 	u32			lc_up_len;	/* layout length */
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 	void			*lc_up_layout;	/* decoded by callback */
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@@ -511,22 +540,47 @@
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 	u64			wr_bytes_written;
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 	u32			wr_stable_how;
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 	nfs4_verifier		wr_verifier;
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+	stateid_t		cb_stateid;
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 };
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 struct nfsd4_copy {
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 	/* request */
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-	stateid_t	cp_src_stateid;
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-	stateid_t	cp_dst_stateid;
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-	u64		cp_src_pos;
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-	u64		cp_dst_pos;
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-	u64		cp_count;
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+	stateid_t		cp_src_stateid;
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+	stateid_t		cp_dst_stateid;
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+	u64			cp_src_pos;
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+	u64			cp_dst_pos;
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+	u64			cp_count;
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+	struct nl4_server	cp_src;
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+	bool			cp_intra;
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 	/* both */
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 	bool		cp_synchronous;
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 	/* response */
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 	struct nfsd42_write_res	cp_res;
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+
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+	/* for cb_offload */
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+	struct nfsd4_callback	cp_cb;
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+	__be32			nfserr;
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+	struct knfsd_fh		fh;
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+
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+	struct nfs4_client      *cp_clp;
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+
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+	struct nfsd_file        *nf_src;
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+	struct nfsd_file        *nf_dst;
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+
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+	copy_stateid_t		cp_stateid;
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+
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+	struct list_head	copies;
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+	struct task_struct	*copy_task;
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+	refcount_t		refcount;
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+	bool			stopped;
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+
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+	struct vfsmount		*ss_mnt;
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+	struct nfs_fh		c_fh;
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+	nfs4_stateid		stateid;
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 };
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+extern bool inter_copy_offload_enable;
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 struct nfsd4_seek {
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 	/* request */
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@@ -537,6 +591,27 @@
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 	/* response */
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 	u32		seek_eof;
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 	loff_t		seek_pos;
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+};
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+
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+struct nfsd4_offload_status {
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+	/* request */
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+	stateid_t	stateid;
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+
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+	/* response */
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+	u64		count;
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+	u32		status;
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+};
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+
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+struct nfsd4_copy_notify {
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+	/* request */
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+	stateid_t		cpn_src_stateid;
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+	struct nl4_server	cpn_dst;
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+
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+	/* response */
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+	stateid_t		cpn_cnr_stateid;
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+	u64			cpn_sec;
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+	u32			cpn_nsec;
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+	struct nl4_server	cpn_src;
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 };
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 struct nfsd4_op {
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@@ -597,7 +672,14 @@
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 		struct nfsd4_fallocate		deallocate;
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 		struct nfsd4_clone		clone;
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 		struct nfsd4_copy		copy;
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+		struct nfsd4_offload_status	offload_status;
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+		struct nfsd4_copy_notify	copy_notify;
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 		struct nfsd4_seek		seek;
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+
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+		struct nfsd4_getxattr		getxattr;
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+		struct nfsd4_setxattr		setxattr;
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+		struct nfsd4_listxattrs		listxattrs;
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+		struct nfsd4_removexattr	removexattr;
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 	} u;
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 	struct nfs4_replay *			replay;
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 };
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@@ -699,6 +781,7 @@
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 bool nfsd4_mach_creds_match(struct nfs4_client *cl, struct svc_rqst *rqstp);
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+int nfs4svc_decode_voidarg(struct svc_rqst *, __be32 *);
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 int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *);
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 int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *);
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 int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *);