void
inomap_skip( xfs_ino_t ino )
{
intgen_t oldstate;
oldstate = inomap_get_state( NULL, ino );
if ( oldstate == MAP_NDR_CHANGE) {
inomap_set_state( NULL, ino, MAP_NDR_NOCHNG );
}
if ( oldstate == MAP_DIR_CHANGE
||
oldstate == MAP_DIR_SUPPRT ) {
inomap_set_state( NULL, ino, MAP_DIR_NOCHNG );
}
}
/* ARGSUSED */
static bool_t /* false, used as diriter callback */
supprt_prune( void *arg1, /* ancestors marked as changed? */
jdm_fshandle_t *fshandlep,
intgen_t fsfd,
xfs_bstat_t *statp,
char *name )
{
static bool_t cbrval = BOOL_FALSE;
intgen_t state;
if ( ( statp->bs_mode & S_IFMT ) == S_IFDIR ) {
bool_t changed_below = BOOL_FALSE;
state = inomap_get_state( cb_inomap_contextp, statp->bs_ino );
if ( state != MAP_DIR_CHANGE &&
state != MAP_DIR_NOCHNG &&
state != MAP_DIR_SUPPRT) {
/*
* if file is now a dir then it has
* certainly changed.
*/
state = MAP_DIR_CHANGE;
inomap_set_state( cb_inomap_contextp,
statp->bs_ino,
state );
}
( void )diriter( fshandlep,
fsfd,
statp,
supprt_prune,
(void *)&changed_below,
&cbrval,
NULL,
0 );
if ( state == MAP_DIR_SUPPRT ) {
if ( changed_below == BOOL_FALSE ) {
inomap_set_state( cb_inomap_contextp,
statp->bs_ino,
MAP_DIR_NOCHNG );
cb_dircnt--; /* dump size just changed! */
}
else {
/* Directory entries back up the hierarchy */
/* to be dumped - as either MAP_DIR_SUPPRT */
/* or as MAP_DIR_CHANGE in inode state map */
*( bool_t * )arg1 = BOOL_TRUE;
}
}
else if ( state == MAP_DIR_CHANGE ) {
/* Directory entries back up the hierarchy must get */
/* dumped - as either MAP_DIR_SUPPRT/MAP_DIR_CHANGE */
*( bool_t * )arg1 = BOOL_TRUE;
}
return cbrval;
}
if ( *(bool_t *)arg1 == BOOL_TRUE ) { /* shortcut, sibling changed */
return cbrval;
}
state = inomap_get_state( cb_inomap_contextp, statp->bs_ino );
if ( state != MAP_NDR_CHANGE &&
state != MAP_NDR_NOCHNG ) {
/*
* if dir is now a file then it has
* certainly changed.
*/
state = MAP_NDR_CHANGE;
inomap_set_state( cb_inomap_contextp, statp->bs_ino, state );
}
if ( state == MAP_NDR_CHANGE ) {
/* Directory entries back up the hierarchy must get */
/* dumped - as either MAP_DIR_SUPPRT/MAP_DIR_CHANGE */
*( bool_t * )arg1 = BOOL_TRUE;
}
return cbrval;
}
/* called for every ino to be added to the map.
*/
static void
inomap_add( void *contextp, xfs_ino_t ino, gen_t gen, intgen_t state )
{
inomap_set_state( contextp, ino, state );
inomap_set_gen( contextp, ino, gen );
}
