/*
* Get file fragmentation information.
*/
static int
frag_f(
int argc,
char **argv)
{
xfs_agnumber_t agno;
double answer;
if (!init(argc, argv))
return 0;
for (agno = 0; agno < mp->m_sb.sb_agcount; agno++)
scan_ag(agno);
if (extcount_actual)
answer = (double)(extcount_actual - extcount_ideal) * 100.0 /
(double)extcount_actual;
else
answer = 0.0;
dbprintf(_("actual %llu, ideal %llu, fragmentation factor %.2f%%\n"),
extcount_actual, extcount_ideal, answer);
return 0;
}
void
phase2(xfs_mount_t *mp, libxfs_init_t *args)
{
xfs_agnumber_t i;
xfs_agblock_t b;
int j;
ino_tree_node_t *ino_rec;
/* now we can start using the buffer cache routines */
set_mp(mp);
/* Check whether this fs has internal or external log */
if (mp->m_sb.sb_logstart == 0) {
if (!args->logname) {
fprintf (stderr,
"This filesystem has an external log. "
"Specify log device with the -l option.\n");
exit (1);
}
fprintf (stderr, "Phase 2 - using external log on %s\n",
args->logname);
} else
fprintf (stderr, "Phase 2 - using internal log\n");
/* Zero log if applicable */
if (!no_modify) {
do_log(" - zero log...\n");
zero_log(mp, args);
}
do_log(" - scan filesystem freespace and inode maps...\n");
/*
* account for space used by ag headers and log if internal
*/
set_bmap_log(mp);
set_bmap_fs(mp);
bad_ino_btree = 0;
for (i = 0; i < mp->m_sb.sb_agcount; i++) {
scan_ag(i);
#ifdef XR_INODE_TRACE
print_inode_list(i);
#endif
}
/*
* make sure we know about the root inode chunk
*/
if ((ino_rec = find_inode_rec(0, mp->m_sb.sb_rootino)) == NULL) {
ASSERT(mp->m_sb.sb_rbmino == mp->m_sb.sb_rootino + 1 &&
mp->m_sb.sb_rsumino == mp->m_sb.sb_rootino + 2);
do_warn("root inode chunk not found\n");
/*
* mark the first 3 used, the rest are free
*/
ino_rec = set_inode_used_alloc(0,
(xfs_agino_t) mp->m_sb.sb_rootino);
set_inode_used(ino_rec, 1);
set_inode_used(ino_rec, 2);
for (j = 3; j < XFS_INODES_PER_CHUNK; j++)
set_inode_free(ino_rec, j);
/*
* also mark blocks
*/
for (b = 0; b < mp->m_ialloc_blks; b++) {
set_agbno_state(mp, 0,
b + XFS_INO_TO_AGBNO(mp, mp->m_sb.sb_rootino),
XR_E_INO);
}
} else {
do_log(" - found root inode chunk\n");
/*
* blocks are marked, just make sure they're in use
*/
if (is_inode_free(ino_rec, 0)) {
do_warn("root inode marked free, ");
set_inode_used(ino_rec, 0);
if (!no_modify)
do_warn("correcting\n");
else
do_warn("would correct\n");
}
if (is_inode_free(ino_rec, 1)) {
do_warn("realtime bitmap inode marked free, ");
set_inode_used(ino_rec, 1);
if (!no_modify)
do_warn("correcting\n");
else
do_warn("would correct\n");
}
if (is_inode_free(ino_rec, 2)) {
do_warn("realtime summary inode marked free, ");
set_inode_used(ino_rec, 2);
if (!no_modify)
do_warn("correcting\n");
else
do_warn("would correct\n");
}
}
}
