NAME
inode_dio_wait - wait for outstanding DIO requests to finish
SYNOPSIS
void inode_dio_wait(struct inode * inode);
ARGUMENTS
inode
inode to wait for
DESCRIPTION
Waits for all pending direct I/O requests to finish so that we can proceed with a truncate or equivalent operation.
Must be called under a lock that serializes taking new references to i_dio_count, usually by inode->i_mutex.