NAME
sync_inode - write an inode and its pages to disk.
SYNOPSIS
int sync_inode (struct inode * inode, struct writeback_control * wbc);
ARGUMENTS
inode the inode to sync
wbc controls the writeback mode
DESCRIPTION
sync_inode will write an inode and its pages to disk. It will also
correctly update the inode on its superblock’s dirty inode lists and
will update inode->i_state.
The caller must have a ref on the inode.