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test72: fix premature block size update

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Updating the current block size before flushing the cache, which still
contained blocks with the old block size, resulted in triggering an
assert on position alignment.
This commit is contained in:
David van Moolenbroek 2014-08-21 15:17:30 +00:00
parent fab582bdeb
commit 8c8e497d76
1 changed files with 7 additions and 4 deletions
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11
minix/tests/test72.c
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@ -274,6 +274,7 @@ int vm_clear_cache(dev_t dev)
int
main(int argc, char *argv[])
{
size_t newblocksize;
int wss, cs, n = 0, p;
#define ITER 3
@ -286,8 +287,10 @@ main(int argc, char *argv[])
/* Can the cache handle differently sized blocks? */
for(p = 1; p <= 3; p++) {
curblocksize = PAGE_SIZE*p;
lmfs_set_blocksize(curblocksize, MYMAJOR);
/* Do not update curblocksize until the cache is flushed. */
newblocksize = PAGE_SIZE*p;
lmfs_set_blocksize(newblocksize, MYMAJOR);
curblocksize = newblocksize; /* now it's safe to update */
lmfs_buf_pool(BLOCKS);
if(dotest(curblocksize, BLOCKS, ITER)) e(n);
n++;
@ -299,8 +302,8 @@ main(int argc, char *argv[])
for(wss = 2; wss <= 3; wss++) {
int wsblocks = 10*wss*wss*wss*wss*wss;
for(cs = wsblocks/4; cs <= wsblocks*3; cs *= 1.5) {
curblocksize = PAGE_SIZE;
lmfs_set_blocksize(curblocksize, MYMAJOR);
lmfs_set_blocksize(PAGE_SIZE, MYMAJOR);
curblocksize = PAGE_SIZE; /* same as above */
lmfs_buf_pool(cs);
if(dotest(curblocksize, wsblocks, ITER)) e(n);
n++;