minix3fs/minix/misc.c

#include "fs.h"
#include "inode.h"
#include "clean.h"

/*===========================================================================*
 *				fs_sync					     *
 *===========================================================================*/
void fs_sync(void)
{
/* Perform the sync() system call.  Flush all the tables. 
 * The order in which the various tables are flushed is critical.  The
 * blocks must be flushed last, since rw_inode() leaves its results in
 * the block cache.
 */
  struct inode *rip;

  /* Write all the dirty inodes to the disk. */
  for(rip = &inode[0]; rip < &inode[NR_INODES]; rip++)
	  if(rip->i_count > 0 && IN_ISDIRTY(rip)) rw_inode(rip, WRITING);

  /* Write all the dirty blocks to the disk. */
  lmfs_flushall();
}