minix/fs/mfs/misc.c

   1 #include "fs.h"
   2 #include "inode.h"
   3 #include "clean.h"
   4
   5 /*===========================================================================*
   6  *                              fs_sync                                      *
   7  *===========================================================================*/
   8 void fs_sync(void)
   9 {
  10 /* Perform the sync() system call.  Flush all the tables.
  11  * The order in which the various tables are flushed is critical.  The
  12  * blocks must be flushed last, since rw_inode() leaves its results in
  13  * the block cache.
  14  */
  15   struct inode *rip;
  16
  17   /* Write all the dirty inodes to the disk. */
  18   for(rip = &inode[0]; rip < &inode[NR_INODES]; rip++)
  19           if(rip->i_count > 0 && IN_ISDIRTY(rip)) rw_inode(rip, WRITING);
  20
  21   /* Write all the dirty blocks to the disk. */
  22   lmfs_flushall();
  23 }