case OVL_DEDUPE:
ret = vfs_dedupe_file_range_one(real_in.file, pos_in,
- real_out.file, pos_out, len);
+ real_out.file, pos_out, len,
+ flags);
break;
}
revert_creds(old_cred);
loff_t vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos,
struct file *dst_file, loff_t dst_pos,
- loff_t len)
+ loff_t len, unsigned int remap_flags)
{
loff_t ret;
+ WARN_ON_ONCE(remap_flags & ~(REMAP_FILE_DEDUP));
+
ret = mnt_want_write_file(dst_file);
if (ret)
return ret;
}
ret = dst_file->f_op->remap_file_range(src_file, src_pos, dst_file,
- dst_pos, len, REMAP_FILE_DEDUP);
+ dst_pos, len, remap_flags | REMAP_FILE_DEDUP);
out_drop_write:
mnt_drop_write_file(dst_file);
}
deduped = vfs_dedupe_file_range_one(file, off, dst_file,
- info->dest_offset, len);
+ info->dest_offset, len,
+ 0);
if (deduped == -EBADE)
info->status = FILE_DEDUPE_RANGE_DIFFERS;
else if (deduped < 0)
struct file_dedupe_range *same);
extern loff_t vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos,
struct file *dst_file, loff_t dst_pos,
- loff_t len);
+ loff_t len, unsigned int remap_flags);
struct super_operations {