block_dev: switch to fixed_size_llseek()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 2091db8..431b6a0 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -325,31 +325,10 @@
static loff_t block_llseek(struct file *file, loff_t offset, int whence)
{
struct inode *bd_inode = file->f_mapping->host;
- loff_t size;
loff_t retval;
mutex_lock(&bd_inode->i_mutex);
- size = i_size_read(bd_inode);
-
- retval = -EINVAL;
- switch (whence) {
- case SEEK_END:
- offset += size;
- break;
- case SEEK_CUR:
- offset += file->f_pos;
- case SEEK_SET:
- break;
- default:
- goto out;
- }
- if (offset >= 0 && offset <= size) {
- if (offset != file->f_pos) {
- file->f_pos = offset;
- }
- retval = offset;
- }
-out:
+ retval = fixed_size_llseek(file, offset, whence, i_size_read(bd_inode));
mutex_unlock(&bd_inode->i_mutex);
return retval;
}