WIP fixed issues with expanding directories in tests

(Some where legitimate test failures)
This commit is contained in:
Christopher Haster
2018-08-07 14:10:03 -05:00
parent 2da9392fbf
commit 88f15a8d41
3 changed files with 86 additions and 32 deletions

10
lfs.c
View File

@@ -658,7 +658,7 @@ static int lfs_commit_move(lfs_t *lfs, struct lfs_commit *commit,
int32_t res = lfs_commit_get(lfs, commit->block, int32_t res = lfs_commit_get(lfs, commit->block,
commit->off, commit->ptag, commit->off, commit->ptag,
lfs_tag_isuser(tag) ? 0x7ffff000 : 0x7c3ff000, lfs_tag_isuser(tag) ? 0x7ffff000 : 0x7c3ff000,
LFS_MKTAG(lfs_tag_type(tag), toid, 0), (tag & 0x7fc00000) | LFS_MKTAG(0, toid, 0),
0, NULL, true); 0, NULL, true);
if (res < 0 && res != LFS_ERR_NOENT) { if (res < 0 && res != LFS_ERR_NOENT) {
return res; return res;
@@ -1166,7 +1166,7 @@ split:
tail.tail[0] = dir->tail[0]; tail.tail[0] = dir->tail[0];
tail.tail[1] = dir->tail[1]; tail.tail[1] = dir->tail[1];
err = lfs_dir_compact(lfs, &tail, attrs, dir, ack+1-expanding, end); err = lfs_dir_compact(lfs, &tail, attrs, source, ack+1-expanding, end);
if (err) { if (err) {
return err; return err;
} }
@@ -1346,8 +1346,12 @@ compact:
lfs_global_xor(&lfs->globals, &canceldiff); lfs_global_xor(&lfs->globals, &canceldiff);
// update any directories that are affected // update any directories that are affected
lfs_mdir_t copy = *dir;
// two passes, once for things that aren't us, and one
// for things that are
for (lfs_mlist_t *d = lfs->mlist; d; d = d->next) { for (lfs_mlist_t *d = lfs->mlist; d; d = d->next) {
if (lfs_pair_cmp(d->m.pair, dir->pair) == 0) { if (lfs_pair_cmp(d->m.pair, copy.pair) == 0) {
d->m = *dir; d->m = *dir;
if (d->id == lfs_tag_id(deletetag)) { if (d->id == lfs_tag_id(deletetag)) {
d->m.pair[0] = 0xffffffff; d->m.pair[0] = 0xffffffff;

View File

@@ -194,55 +194,98 @@ tests/test.py << TEST
lfs_file_read(&lfs, &file[0], buffer, size) => size; lfs_file_read(&lfs, &file[0], buffer, size) => size;
memcmp(buffer, "exhaustion", size) => 0; memcmp(buffer, "exhaustion", size) => 0;
lfs_file_close(&lfs, &file[0]) => 0; lfs_file_close(&lfs, &file[0]) => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_unmount(&lfs) => 0; lfs_unmount(&lfs) => 0;
TEST TEST
echo "--- Dir exhaustion test ---" echo "--- Dir exhaustion test ---"
tests/test.py << TEST tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0; lfs_mount(&lfs, &cfg) => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT); // find out max file size
lfs_mkdir(&lfs, "exhaustiondir") => 0;
size = strlen("blahblahblahblah"); size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size); memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0; lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
i < (cfg.block_count-4)*(cfg.block_size-8); int count = 0;
i += size) { int err;
while (true) {
err = lfs_file_write(&lfs, &file[0], buffer, size);
if (err < 0) {
break;
}
count += 1;
}
err => LFS_ERR_NOSPC;
lfs_file_close(&lfs, &file[0]) => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_remove(&lfs, "exhaustiondir") => 0;
// see if dir fits with max file size
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
for (int i = 0; i < count; i++) {
lfs_file_write(&lfs, &file[0], buffer, size) => size; lfs_file_write(&lfs, &file[0], buffer, size) => size;
} }
lfs_file_close(&lfs, &file[0]) => 0; lfs_file_close(&lfs, &file[0]) => 0;
lfs_mkdir(&lfs, "exhaustiondir") => 0; lfs_mkdir(&lfs, "exhaustiondir") => 0;
lfs_remove(&lfs, "exhaustiondir") => 0; lfs_remove(&lfs, "exhaustiondir") => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_APPEND); // see if dir fits with > max file size
size = strlen("blahblahblahblah"); lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
memcpy(buffer, "blahblahblahblah", size); for (int i = 0; i < count+1; i++) {
for (lfs_size_t i = 0;
i < (cfg.block_size-8);
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size; lfs_file_write(&lfs, &file[0], buffer, size) => size;
} }
lfs_file_close(&lfs, &file[0]) => 0; lfs_file_close(&lfs, &file[0]) => 0;
lfs_mkdir(&lfs, "exhaustiondir") => LFS_ERR_NOSPC; lfs_mkdir(&lfs, "exhaustiondir") => LFS_ERR_NOSPC;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_unmount(&lfs) => 0; lfs_unmount(&lfs) => 0;
TEST TEST
echo "--- Chained dir exhaustion test ---" echo "--- Chained dir exhaustion test ---"
tests/test.py << TEST tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0; lfs_mount(&lfs, &cfg) => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT); // find out max file size
lfs_mkdir(&lfs, "exhaustiondir") => 0;
for (int i = 0; i < 9; i++) {
sprintf((char*)buffer, "dirwithanexhaustivelylongnameforpadding%d", i);
lfs_mkdir(&lfs, (char*)buffer) => 0;
}
size = strlen("blahblahblahblah"); size = strlen("blahblahblahblah");
memcpy(buffer, "blahblahblahblah", size); memcpy(buffer, "blahblahblahblah", size);
for (lfs_size_t i = 0; lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
i < (cfg.block_count-24)*(cfg.block_size-8); int count = 0;
i += size) { int err;
while (true) {
err = lfs_file_write(&lfs, &file[0], buffer, size);
if (err < 0) {
break;
}
count += 1;
}
err => LFS_ERR_NOSPC;
lfs_file_close(&lfs, &file[0]) => 0;
lfs_remove(&lfs, "exhaustion") => 0;
lfs_remove(&lfs, "exhaustiondir") => 0;
for (int i = 0; i < 9; i++) {
sprintf((char*)buffer, "dirwithanexhaustivelylongnameforpadding%d", i);
lfs_remove(&lfs, (char*)buffer) => 0;
}
// see that chained dir fails
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
for (int i = 0; i < count+1; i++) {
lfs_file_write(&lfs, &file[0], buffer, size) => size; lfs_file_write(&lfs, &file[0], buffer, size) => size;
} }
lfs_file_close(&lfs, &file[0]) => 0; lfs_file_sync(&lfs, &file[0]) => 0;
for (int i = 0; i < 9; i++) { for (int i = 0; i < 9; i++) {
sprintf((char*)buffer, "dirwithanexhaustivelylongnameforpadding%d", i); sprintf((char*)buffer, "dirwithanexhaustivelylongnameforpadding%d", i);
@@ -251,19 +294,25 @@ tests/test.py << TEST
lfs_mkdir(&lfs, "exhaustiondir") => LFS_ERR_NOSPC; lfs_mkdir(&lfs, "exhaustiondir") => LFS_ERR_NOSPC;
lfs_remove(&lfs, "exhaustion") => 0; // shorten file to try a second chained dir
lfs_file_open(&lfs, &file[0], "exhaustion", LFS_O_WRONLY | LFS_O_CREAT); while (true) {
size = strlen("blahblahblahblah"); err = lfs_mkdir(&lfs, "exhaustiondir");
memcpy(buffer, "blahblahblahblah", size); if (err != LFS_ERR_NOSPC) {
for (lfs_size_t i = 0; break;
i < (cfg.block_count-26)*(cfg.block_size-8); }
i += size) {
lfs_file_write(&lfs, &file[0], buffer, size) => size; lfs_ssize_t filesize = lfs_file_size(&lfs, &file[0]);
} filesize > 0 => true;
lfs_file_close(&lfs, &file[0]) => 0;
lfs_file_truncate(&lfs, &file[0], filesize - size) => 0;
lfs_file_sync(&lfs, &file[0]) => 0;
}
err => 0;
lfs_mkdir(&lfs, "exhaustiondir") => 0;
lfs_mkdir(&lfs, "exhaustiondir2") => LFS_ERR_NOSPC; lfs_mkdir(&lfs, "exhaustiondir2") => LFS_ERR_NOSPC;
lfs_file_close(&lfs, &file[0]) => 0;
lfs_unmount(&lfs) => 0;
TEST TEST
echo "--- Split dir test ---" echo "--- Split dir test ---"

View File

@@ -4,7 +4,8 @@ set -eu
# Note: These tests are intended for 512 byte inline size at different # Note: These tests are intended for 512 byte inline size at different
# inline sizes they should still pass, but won't be testing anything # inline sizes they should still pass, but won't be testing anything
echo "=== Directory tests ===" echo "=== Entry tests ==="
rm -rf blocks
function read_file { function read_file {
cat << TEST cat << TEST