BTRFS_IOC_CLONE/BTRFS_IOC_CLONE_RANGE is now handled
by generic layer and goes through the .copy_file_range
method.
Signed-off-by: Peng Tao <tao.p...@primarydata.com>
---
fs/nfs/nfs4file.c | 96 -------------------------------------------------------
1 file changed, 96 deletions(-)
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index f1924d8..181b67b 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -240,99 +240,8 @@ out_unlock:
out:
return ret < 0 ? ret : len;
}
-
-static noinline long
-nfs42_ioctl_clone(struct file *dst_file, unsigned long srcfd,
- u64 src_off, u64 dst_off, u64 count)
-{
- struct inode *dst_inode = file_inode(dst_file);
- struct fd src_file;
- struct inode *src_inode;
- int ret;
-
- /* dst file must be opened for writing */
- if (!(dst_file->f_mode & FMODE_WRITE))
- return -EINVAL;
-
- ret = mnt_want_write_file(dst_file);
- if (ret)
- return ret;
-
- src_file = fdget(srcfd);
- if (!src_file.file) {
- ret = -EBADF;
- goto out_drop_write;
- }
-
- src_inode = file_inode(src_file.file);
-
- /* src and dst must be different files */
- ret = -EINVAL;
- if (src_inode == dst_inode)
- goto out_fput;
-
- /* src file must be opened for reading */
- if (!(src_file.file->f_mode & FMODE_READ))
- goto out_fput;
-
- /* src and dst must be regular files */
- ret = -EISDIR;
- if (!S_ISREG(src_inode->i_mode) || !S_ISREG(dst_inode->i_mode))
- goto out_fput;
-
- ret = -EXDEV;
- if (src_file.file->f_path.mnt != dst_file->f_path.mnt ||
- src_inode->i_sb != dst_inode->i_sb)
- goto out_fput;
-
- ret = nfs42_copy_file_range(src_file.file, src_off, dst_file,
- dst_off, count, 0);
- if (ret > 0)
- ret = 0;
-
-out_fput:
- fdput(src_file);
-out_drop_write:
- mnt_drop_write_file(dst_file);
- return ret;
-}
-
-static long nfs42_ioctl_clone_range(struct file *dst_file, void __user *argp)
-{
- struct nfs_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);
-}
-#else
-static long nfs42_ioctl_clone(struct file *dst_file, unsigned long srcfd,
- u64 src_off, u64 dst_off, u64 count)
-{
- return -ENOTTY;
-}
-
-static long nfs42_ioctl_clone_range(struct file *dst_file, void __user *argp)
-{
- return -ENOTTY;
-}
#endif /* CONFIG_NFS_V4_2 */
-long nfs4_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
- void __user *argp = (void __user *)arg;
-
- switch (cmd) {
- case NFS_IOC_CLONE:
- return nfs42_ioctl_clone(file, arg, 0, 0, 0);
- case NFS_IOC_CLONE_RANGE:
- return nfs42_ioctl_clone_range(file, argp);
- }
-
- return -ENOTTY;
-}
-
const struct file_operations nfs4_file_operations = {
#ifdef CONFIG_NFS_V4_2
.llseek = nfs4_file_llseek,
@@ -356,9 +265,4 @@ const struct file_operations nfs4_file_operations = {
#endif /* CONFIG_NFS_V4_2 */
.check_flags = nfs_check_flags,
.setlease = simple_nosetlease,
-#ifdef CONFIG_COMPAT
- .unlocked_ioctl = nfs4_ioctl,
-#else
- .compat_ioctl = nfs4_ioctl,
-#endif /* CONFIG_COMPAT */
};
--
1.8.3.1
--
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