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ioctl: remove FICLONE/FICLONERANGE/FIDEDUPERANGE compat

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These are only required to support these ioctls on Linux <4.5. Since
4.18 is our cutoff, we don't need this code anymore.

Also removing related test things that will never match again.

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #17308
This commit is contained in:
Rob Norris
2025-05-09 00:32:52 +10:00
committed by Brian Behlendorf
parent f7e6dcc68d
commit b00bc81b05
32 changed files with 0 additions and 196 deletions
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module/os/linux/zfs/zpl_file.c
-6
View File
@@ -1003,12 +1003,6 @@ zpl_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return (zpl_ioctl_getdosflags(filp, (void *)arg));
case ZFS_IOC_SETDOSFLAGS:
return (zpl_ioctl_setdosflags(filp, (void *)arg));
case ZFS_IOC_COMPAT_FICLONE:
return (zpl_ioctl_ficlone(filp, (void *)arg));
case ZFS_IOC_COMPAT_FICLONERANGE:
return (zpl_ioctl_ficlonerange(filp, (void *)arg));
case ZFS_IOC_COMPAT_FIDEDUPERANGE:
return (zpl_ioctl_fideduperange(filp, (void *)arg));
default:
return (-ENOTTY);
}
module/os/linux/zfs/zpl_file_range.c
-82
View File
@@ -212,85 +212,3 @@ zpl_dedupe_file_range(struct file *src_file, loff_t src_off,
return (-EOPNOTSUPP);
}
#endif /* HAVE_VFS_DEDUPE_FILE_RANGE */
/* Entry point for FICLONE, before Linux 4.5. */
long
zpl_ioctl_ficlone(struct file *dst_file, void *arg)
{
unsigned long sfd = (unsigned long)arg;
struct file *src_file = fget(sfd);
if (src_file == NULL)
return (-EBADF);
if (dst_file->f_op != src_file->f_op) {
fput(src_file);
return (-EXDEV);
}
size_t len = i_size_read(file_inode(src_file));
ssize_t ret = zpl_clone_file_range_impl(src_file, 0, dst_file, 0, len);
fput(src_file);
if (ret < 0) {
if (ret == -EOPNOTSUPP)
return (-ENOTTY);
return (ret);
}
if (ret != len)
return (-EINVAL);
return (0);
}
/* Entry point for FICLONERANGE, before Linux 4.5. */
long
zpl_ioctl_ficlonerange(struct file *dst_file, void __user *arg)
{
zfs_ioc_compat_file_clone_range_t fcr;
if (copy_from_user(&fcr, arg, sizeof (fcr)))
return (-EFAULT);
struct file *src_file = fget(fcr.fcr_src_fd);
if (src_file == NULL)
return (-EBADF);
if (dst_file->f_op != src_file->f_op) {
fput(src_file);
return (-EXDEV);
}
size_t len = fcr.fcr_src_length;
if (len == 0)
len = i_size_read(file_inode(src_file)) - fcr.fcr_src_offset;
ssize_t ret = zpl_clone_file_range_impl(src_file, fcr.fcr_src_offset,
dst_file, fcr.fcr_dest_offset, len);
fput(src_file);
if (ret < 0) {
if (ret == -EOPNOTSUPP)
return (-ENOTTY);
return (ret);
}
if (ret != len)
return (-EINVAL);
return (0);
}
/* Entry point for FIDEDUPERANGE, before Linux 4.5. */
long
zpl_ioctl_fideduperange(struct file *filp, void *arg)
{
(void) arg;
/* No support for dedup yet */
return (-ENOTTY);
}