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authorLinus Torvalds <torvalds@linux-foundation.org>2015-11-09 18:11:22 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-09 18:11:22 -0800
commite6604ecb70d4b1dbc0372c6518b51c25c4b135a1 (patch)
tree2d12c51b84c3ba8472e59ddbe37da034e2c5251f /include/uapi/linux
parent9d74288ca79249af4b906215788b37d52263b58b (diff)
parent941c3ff3102ccce440034d59cf9e4e9cc10b720d (diff)
Merge tag 'nfs-for-4.4-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust: "Highlights include: New features: - RDMA client backchannel from Chuck - Support for NFSv4.2 file CLONE using the btrfs ioctl Bugfixes + cleanups: - Move socket data receive out of the bottom halves and into a workqueue - Refactor NFSv4 error handling so synchronous and asynchronous RPC handles errors identically. - Fix a panic when blocks or object layouts reads return a bad data length - Fix nfsroot so it can handle a 1024 byte long path. - Fix bad usage of page offset in bl_read_pagelist - Various NFSv4 callback cleanups+fixes - Fix GETATTR bitmap verification - Support hexadecimal number for sunrpc debug sysctl files" * tag 'nfs-for-4.4-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (53 commits) Sunrpc: Supports hexadecimal number for sysctl files of sunrpc debug nfs: Fix GETATTR bitmap verification nfs: Remove unused xdr page offsets in getacl/setacl arguments fs/nfs: remove unnecessary new_valid_dev check SUNRPC: fix variable type NFS: Enable client side NFSv4.1 backchannel to use other transports pNFS/flexfiles: Add support for FF_FLAGS_NO_IO_THRU_MDS pNFS/flexfiles: When mirrored, retry failed reads by switching mirrors SUNRPC: Remove the TCP-only restriction in bc_svc_process() svcrdma: Add backward direction service for RPC/RDMA transport xprtrdma: Handle incoming backward direction RPC calls xprtrdma: Add support for sending backward direction RPC replies xprtrdma: Pre-allocate Work Requests for backchannel xprtrdma: Pre-allocate backward rpc_rqst and send/receive buffers SUNRPC: Abstract backchannel operations xprtrdma: Saving IRQs no longer needed for rb_lock xprtrdma: Remove reply tasklet xprtrdma: Use workqueue to process RPC/RDMA replies xprtrdma: Replace send and receive arrays xprtrdma: Refactor reply handler error handling ...
Diffstat (limited to 'include/uapi/linux')
-rw-r--r--include/uapi/linux/nfs.h13
1 files changed, 13 insertions, 0 deletions
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