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| author | Christoph Hellwig <hch@lst.de> | 2015-11-13 09:38:48 +0100 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-11-23 21:53:08 -0500 |
| commit | 0f42a6a9b807b092841f7e1b381f8c7e80a0d86a (patch) | |
| tree | 532147db78ce2c0d3e495154c08a75c3a01a89c2 /fs | |
| parent | 21fad313d5890b674432fe3ad0c7bcf040320340 (diff) | |
| download | linux-stable-0f42a6a9b807b092841f7e1b381f8c7e80a0d86a.tar.gz linux-stable-0f42a6a9b807b092841f7e1b381f8c7e80a0d86a.tar.bz2 linux-stable-0f42a6a9b807b092841f7e1b381f8c7e80a0d86a.zip | |
nfs: use btrfs ioctl defintions for clone
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>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/nfs4file.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 61f1c1c02d06..135353074c25 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -7,6 +7,7 @@ #include <linux/file.h> #include <linux/falloc.h> #include <linux/nfs_fs.h> +#include <uapi/linux/btrfs.h> /* BTRFS_IOC_CLONE/BTRFS_IOC_CLONE_RANGE */ #include "delegation.h" #include "internal.h" #include "iostat.h" @@ -300,12 +301,13 @@ out_drop_write: static long nfs42_ioctl_clone_range(struct file *dst_file, void __user *argp) { - struct nfs_ioctl_clone_range_args args; + struct btrfs_ioctl_clone_range_args args; if (copy_from_user(&args, argp, sizeof(args))) return -EFAULT; - return nfs42_ioctl_clone(dst_file, args.src_fd, args.src_off, args.dst_off, args.count); + return nfs42_ioctl_clone(dst_file, args.src_fd, args.src_offset, + args.dest_offset, args.src_length); } #else static long nfs42_ioctl_clone(struct file *dst_file, unsigned long srcfd, @@ -325,9 +327,9 @@ long nfs4_ioctl(struct file *file, unsigned int cmd, unsigned long arg) void __user *argp = (void __user *)arg; switch (cmd) { - case NFS_IOC_CLONE: + case BTRFS_IOC_CLONE: return nfs42_ioctl_clone(file, arg, 0, 0, 0); - case NFS_IOC_CLONE_RANGE: + case BTRFS_IOC_CLONE_RANGE: return nfs42_ioctl_clone_range(file, argp); } |