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nfs: use btrfs ioctl defintions for clone

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The NFS CLONE_RANGE defintion was wrong and thus never worked.  Fix this
by simply using the btrfs ioctl defintion.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Christoph Hellwig 2015-11-13 09:38:48 +01:00 • committed by Trond Myklebust
parent 21fad313d5
commit 0f42a6a9b8
2 changed files with 6 additions and 15 deletions
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11
include/uapi/linux/nfs.h
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@ -33,17 +33,6 @@
#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