/*
* Utility routine to adjust the inode counts on an inode.
*/
errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino, int adj)
{
ext2_filsys fs = ctx->fs;
errcode_t retval;
struct ext2_inode inode;
if (!ino)
return 0;
retval = ext2fs_read_inode(fs, ino, &inode);
if (retval)
return retval;
#if 0
printf("Adjusting link count for inode %lu by %d (from %d)\n", ino, adj,
inode.i_links_count);
#endif
if (adj == 1) {
ext2fs_icount_increment(ctx->inode_count, ino, 0);
if (inode.i_links_count == (__u16) ~0)
return 0;
ext2fs_icount_increment(ctx->inode_link_info, ino, 0);
inode.i_links_count++;
} else if (adj == -1) {
ext2fs_icount_decrement(ctx->inode_count, ino, 0);
if (inode.i_links_count == 0)
return 0;
ext2fs_icount_decrement(ctx->inode_link_info, ino, 0);
inode.i_links_count--;
}
retval = ext2fs_write_inode(fs, ino, &inode);
if (retval)
return retval;
return 0;
}
void do_decrement(int argc, char **argv)
{
const char *usage = "usage: %s inode\n";
errcode_t retval;
ext2_ino_t ino;
__u16 count;
if (argc < 2) {
printf(usage, argv[0]);
return;
}
if (check_icount(argv[0]))
return;
if (parse_inode(argv[0], "inode", argv[1], &ino))
return;
retval = ext2fs_icount_decrement(test_icount, ino, &count);
if (retval) {
com_err(argv[0], retval,
"while calling ext2fs_icount_decrement");
return;
}
printf("Count is now %u\n", count);
}
int run_test(int flags, int size, char *dir, struct test_program *prog)
{
errcode_t retval;
ext2_icount_t icount;
struct test_program *pc;
__u16 result;
int problem = 0;
if (dir) {
retval = ext2fs_create_icount_tdb(test_fs, dir,
flags, &icount);
if (retval) {
com_err("run_test", retval,
"while creating icount using tdb");
exit(1);
}
} else {
retval = ext2fs_create_icount2(test_fs, flags, size, 0,
&icount);
if (retval) {
com_err("run_test", retval, "while creating icount");
exit(1);
}
}
for (pc = prog; pc->cmd != EXIT; pc++) {
switch (pc->cmd) {
case FETCH:
printf("icount_fetch(%u) = ", pc->ino);
break;
case STORE:
retval = ext2fs_icount_store(icount, pc->ino, pc->arg);
if (retval) {
com_err("run_test", retval,
"while calling icount_store");
exit(1);
}
printf("icount_store(%u, %u) = ", pc->ino, pc->arg);
break;
case INCREMENT:
retval = ext2fs_icount_increment(icount, pc->ino, 0);
if (retval) {
com_err("run_test", retval,
"while calling icount_increment");
exit(1);
}
printf("icount_increment(%u) = ", pc->ino);
break;
case DECREMENT:
retval = ext2fs_icount_decrement(icount, pc->ino, 0);
if (retval) {
com_err("run_test", retval,
"while calling icount_decrement");
exit(1);
}
printf("icount_decrement(%u) = ", pc->ino);
break;
}
retval = ext2fs_icount_fetch(icount, pc->ino, &result);
if (retval) {
com_err("run_test", retval,
"while calling icount_fetch");
exit(1);
}
printf("%u (%s)\n", result, (result == pc->expected) ?
"OK" : "NOT OK");
if (result != pc->expected)
problem++;
}
printf("icount size is %u\n", ext2fs_get_icount_size(icount));
retval = ext2fs_icount_validate(icount, stdout);
if (retval) {
com_err("run_test", retval, "while calling icount_validate");
exit(1);
}
ext2fs_free_icount(icount);
return problem;
}