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-rw-r--r--include/linux/nfs4.h3
-rw-r--r--include/linux/nfs_fs_sb.h2
-rw-r--r--include/linux/nfs_xdr.h28
-rw-r--r--include/linux/sunrpc/bc_xprt.h5
-rw-r--r--include/linux/sunrpc/svc_rdma.h6
-rw-r--r--include/linux/sunrpc/xprt.h9
-rw-r--r--include/linux/sunrpc/xprtsock.h2
-rw-r--r--include/uapi/linux/nfs.h13
8 files changed, 62 insertions, 6 deletions
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 00121f298269..e7e78537aea2 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -130,6 +130,7 @@ enum nfs_opnum4 {
OP_READ_PLUS = 68,
OP_SEEK = 69,
OP_WRITE_SAME = 70,
+ OP_CLONE = 71,
OP_ILLEGAL = 10044,
};
@@ -421,6 +422,7 @@ enum lock_type4 {
#define FATTR4_WORD2_LAYOUT_TYPES (1UL << 0)
#define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
#define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4)
+#define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13)
#define FATTR4_WORD2_SECURITY_LABEL (1UL << 16)
/* MDS threshold bitmap bits */
@@ -501,6 +503,7 @@ enum {
NFSPROC4_CLNT_ALLOCATE,
NFSPROC4_CLNT_DEALLOCATE,
NFSPROC4_CLNT_LAYOUTSTATS,
+ NFSPROC4_CLNT_CLONE,
};
/* nfs41 types */
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 570a7df2775b..2469ab0bb3a1 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -147,6 +147,7 @@ struct nfs_server {
unsigned int acdirmax;
unsigned int namelen;
unsigned int options; /* extra options enabled by mount */
+ unsigned int clone_blksize; /* granularity of a CLONE operation */
#define NFS_OPTION_FSCACHE 0x00000001 /* - local caching enabled */
#define NFS_OPTION_MIGRATION 0x00000002 /* - NFSv4 migration enabled */
@@ -243,5 +244,6 @@ struct nfs_server {
#define NFS_CAP_ALLOCATE (1U << 20)
#define NFS_CAP_DEALLOCATE (1U << 21)
#define NFS_CAP_LAYOUTSTATS (1U << 22)
+#define NFS_CAP_CLONE (1U << 23)
#endif
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 52faf7e96c65..570d630f98ae 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -141,6 +141,7 @@ struct nfs_fsinfo {
__u32 lease_time; /* in seconds */
__u32 layouttype; /* supported pnfs layout driver */
__u32 blksize; /* preferred pnfs io block size */
+ __u32 clone_blksize; /* granularity of a CLONE operation */
};
struct nfs_fsstat {
@@ -359,6 +360,25 @@ struct nfs42_layoutstat_data {
struct nfs42_layoutstat_res res;
};
+struct nfs42_clone_args {
+ struct nfs4_sequence_args seq_args;
+ struct nfs_fh *src_fh;
+ struct nfs_fh *dst_fh;
+ nfs4_stateid src_stateid;
+ nfs4_stateid dst_stateid;
+ __u64 src_offset;
+ __u64 dst_offset;
+ __u64 count;
+ const u32 *dst_bitmask;
+};
+
+struct nfs42_clone_res {
+ struct nfs4_sequence_res seq_res;
+ unsigned int rpc_status;
+ struct nfs_fattr *dst_fattr;
+ const struct nfs_server *server;
+};
+
struct stateowner_id {
__u64 create_time;
__u32 uniquifier;
@@ -528,7 +548,7 @@ struct nfs4_delegreturnargs {
struct nfs4_delegreturnres {
struct nfs4_sequence_res seq_res;
struct nfs_fattr * fattr;
- const struct nfs_server *server;
+ struct nfs_server *server;
};
/*
@@ -601,7 +621,7 @@ struct nfs_removeargs {
struct nfs_removeres {
struct nfs4_sequence_res seq_res;
- const struct nfs_server *server;
+ struct nfs_server *server;
struct nfs_fattr *dir_attr;
struct nfs4_change_info cinfo;
};
@@ -619,7 +639,7 @@ struct nfs_renameargs {
struct nfs_renameres {
struct nfs4_sequence_res seq_res;
- const struct nfs_server *server;
+ struct nfs_server *server;
struct nfs4_change_info old_cinfo;
struct nfs_fattr *old_fattr;
struct nfs4_change_info new_cinfo;
@@ -685,7 +705,6 @@ struct nfs_setaclargs {
struct nfs4_sequence_args seq_args;
struct nfs_fh * fh;
size_t acl_len;
- unsigned int acl_pgbase;
struct page ** acl_pages;
};
@@ -697,7 +716,6 @@ struct nfs_getaclargs {
struct nfs4_sequence_args seq_args;
struct nfs_fh * fh;
size_t acl_len;
- unsigned int acl_pgbase;
struct page ** acl_pages;
};
diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h
index 8df43c9f11dc..4397a4824c81 100644
--- a/include/linux/sunrpc/bc_xprt.h
+++ b/include/linux/sunrpc/bc_xprt.h
@@ -38,6 +38,11 @@ void xprt_free_bc_request(struct rpc_rqst *req);
int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs);
void xprt_destroy_backchannel(struct rpc_xprt *, unsigned int max_reqs);
+/* Socket backchannel transport methods */
+int xprt_setup_bc(struct rpc_xprt *xprt, unsigned int min_reqs);
+void xprt_destroy_bc(struct rpc_xprt *xprt, unsigned int max_reqs);
+void xprt_free_bc_rqst(struct rpc_rqst *req);
+
/*
* Determine if a shared backchannel is in use
*/
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index 1e4438ea2380..f869807a0d0e 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -226,9 +226,13 @@ extern void svc_rdma_put_frmr(struct svcxprt_rdma *,
struct svc_rdma_fastreg_mr *);
extern void svc_sq_reap(struct svcxprt_rdma *);
extern void svc_rq_reap(struct svcxprt_rdma *);
-extern struct svc_xprt_class svc_rdma_class;
extern void svc_rdma_prep_reply_hdr(struct svc_rqst *);
+extern struct svc_xprt_class svc_rdma_class;
+#ifdef CONFIG_SUNRPC_BACKCHANNEL
+extern struct svc_xprt_class svc_rdma_bc_class;
+#endif
+
/* svc_rdma.c */
extern int svc_rdma_init(void);
extern void svc_rdma_cleanup(void);
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 0fb9acbb4780..69ef5b3ab038 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -54,6 +54,8 @@ enum rpc_display_format_t {
struct rpc_task;
struct rpc_xprt;
struct seq_file;
+struct svc_serv;
+struct net;
/*
* This describes a complete RPC request
@@ -136,6 +138,12 @@ struct rpc_xprt_ops {
int (*enable_swap)(struct rpc_xprt *xprt);
void (*disable_swap)(struct rpc_xprt *xprt);
void (*inject_disconnect)(struct rpc_xprt *xprt);
+ int (*bc_setup)(struct rpc_xprt *xprt,
+ unsigned int min_reqs);
+ int (*bc_up)(struct svc_serv *serv, struct net *net);
+ void (*bc_free_rqst)(struct rpc_rqst *rqst);
+ void (*bc_destroy)(struct rpc_xprt *xprt,
+ unsigned int max_reqs);
};
/*
@@ -153,6 +161,7 @@ enum xprt_transports {
XPRT_TRANSPORT_TCP = IPPROTO_TCP,
XPRT_TRANSPORT_BC_TCP = IPPROTO_TCP | XPRT_TRANSPORT_BC,
XPRT_TRANSPORT_RDMA = 256,
+ XPRT_TRANSPORT_BC_RDMA = XPRT_TRANSPORT_RDMA | XPRT_TRANSPORT_BC,
XPRT_TRANSPORT_LOCAL = 257,
};
diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h
index 357e44c1a46b..0ece4ba06f06 100644
--- a/include/linux/sunrpc/xprtsock.h
+++ b/include/linux/sunrpc/xprtsock.h
@@ -44,6 +44,8 @@ struct sock_xprt {
*/
unsigned long sock_state;
struct delayed_work connect_worker;
+ struct work_struct recv_worker;
+ struct mutex recv_mutex;
struct sockaddr_storage srcaddr;
unsigned short srcport;
diff --git a/include/uapi/linux/nfs.h b/include/uapi/linux/nfs.h
index 5199a36dd574..654bae3f1a38 100644
--- a/include/uapi/linux/nfs.h
+++ b/include/uapi/linux/nfs.h
@@ -7,6 +7,8 @@
#ifndef _UAPI_LINUX_NFS_H
#define _UAPI_LINUX_NFS_H
+#include <linux/types.h>
+
#define NFS_PROGRAM 100003
#define NFS_PORT 2049
#define NFS_MAXDATA 8192
@@ -31,6 +33,17 @@
#define NFS_PIPE_DIRNAME "nfs"
+/* NFS ioctls */
+/* Let's follow btrfs lead on CLONE to avoid messing userspace */
+#define NFS_IOC_CLONE _IOW(0x94, 9, int)
+#define NFS_IOC_CLONE_RANGE _IOW(0x94, 13, int)
+
+struct nfs_ioctl_clone_range_args {
+ __s64 src_fd;
+ __u64 src_off, count;
+ __u64 dst_off;
+};
+
/*
* NFS stats. The good thing with these values is that NFSv3 errors are
* a superset of NFSv2 errors (with the exception of NFSERR_WFLUSH which
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 06:22:19 +0000