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authorAdrian Hunter <ext-adrian.hunter@nokia.com>2008-06-11 15:32:52 +0300
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2008-06-16 18:02:31 +0300
commiteec4f3ac96a28c4e5f54dd268fa195024ab2bebd (patch)
treebfd2364feebf21dbb6d32f785f0e0bb0c2d2aa3a
parentc5b25ed78e5bff0a500bc94724e994eba53e4938 (diff)
fs-tests: add rename to integrity test
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
-rw-r--r--tests/fs-tests/integrity/integck.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/tests/fs-tests/integrity/integck.c b/tests/fs-tests/integrity/integck.c
index 481a035..73eeab6 100644
--- a/tests/fs-tests/integrity/integck.c
+++ b/tests/fs-tests/integrity/integck.c
@@ -87,6 +87,7 @@ struct dir_entry_info /* Each entry in a directory has one of these */
{
struct file_info *file;
struct dir_info *dir;
+ void *target;
} entry;
};
@@ -292,6 +293,8 @@ static void add_dir_entry(struct dir_info *parent, char type, const char *name,
entry->entry.dir = dir;
dir->entry = entry;
+ dir->name = copy_string(name);
+ dir->parent = parent;
}
}
@@ -315,6 +318,8 @@ static void remove_dir_entry(struct dir_entry_info *entry)
if (file->links == entry)
file->links = entry->next_link;
file->link_count -= 1;
+ if (file->link_count == 0)
+ file->deleted = 1;
}
free(entry->name);
@@ -1354,12 +1359,153 @@ static struct file_info *pick_file(void)
}
}
+static struct dir_info *pick_dir(void)
+{
+ struct dir_info *dir = top_dir;
+
+ if (tests_random_no(40) >= 30)
+ return dir;
+ for (;;) {
+ struct dir_entry_info *entry;
+ size_t r;
+
+ r = tests_random_no(dir->number_of_entries);
+ entry = dir->first;
+ while (entry && r) {
+ entry = entry->next;
+ --r;
+ }
+ for (;;) {
+ if (!entry)
+ break;
+ if (entry->type == 'd')
+ break;
+ entry = entry->next;
+ }
+ if (!entry) {
+ entry = dir->first;
+ for (;;) {
+ if (!entry)
+ break;
+ if (entry->type == 'd')
+ break;
+ entry = entry->next;
+ }
+ }
+ if (!entry)
+ return dir;
+ dir = entry->entry.dir;
+ if (tests_random_no(40) >= 30)
+ return dir;
+ }
+}
+
+static char *pick_rename_name(struct dir_info **parent,
+ struct dir_entry_info **rename_entry, int isdir)
+{
+ struct dir_info *dir = pick_dir();
+ struct dir_entry_info *entry;
+ size_t r;
+
+ *parent = dir;
+ *rename_entry = NULL;
+
+ if (grow || tests_random_no(20) < 10)
+ return copy_string(make_name(dir));
+
+ r = tests_random_no(dir->number_of_entries);
+ entry = dir->first;
+ while (entry && r) {
+ entry = entry->next;
+ --r;
+ }
+ if (!entry)
+ entry = dir->first;
+ if (!entry ||
+ (entry->type == 'd' && entry->entry.dir->number_of_entries != 0))
+ return copy_string(make_name(dir));
+
+ if ((isdir && entry->type != 'd') ||
+ (!isdir && entry->type == 'd'))
+ return copy_string(make_name(dir));
+
+ *rename_entry = entry;
+ return copy_string(entry->name);
+}
+
+static void rename_entry(struct dir_entry_info *entry)
+{
+ struct dir_entry_info *rename_entry = NULL;
+ struct dir_info *parent;
+ char *path, *to, *name;
+ int ret, isdir, retry;
+
+ if (!entry->parent)
+ return;
+
+ for (retry = 0; retry < 3; retry++) {
+ path = dir_path(entry->parent, entry->name);
+ isdir = entry->type == 'd' ? 1 : 0;
+ name = pick_rename_name(&parent, &rename_entry, isdir);
+ to = dir_path(parent, name);
+ /*
+ * Check we are not trying to move a directory to a subdirectory
+ * of itself.
+ */
+ if (isdir) {
+ struct dir_info *p;
+
+ for (p = parent; p; p = p->parent)
+ if (p == entry->entry.dir)
+ break;
+ if (p == entry->entry.dir) {
+ free(path);
+ free(name);
+ free(to);
+ continue;
+ }
+ }
+ break;
+ }
+
+ ret = rename(path, to);
+ if (ret == -1) {
+ if (errno == ENOSPC)
+ full = 1;
+ CHECK(errno == ENOSPC || errno == EBUSY);
+ free(path);
+ free(name);
+ free(to);
+ return;
+ }
+
+ free(path);
+ free(to);
+
+ if (rename_entry && rename_entry->type == entry->type &&
+ rename_entry->entry.target == entry->entry.target) {
+ free(name);
+ return;
+ }
+
+ add_dir_entry(parent, entry->type, name, entry->entry.target);
+ if (rename_entry)
+ remove_dir_entry(rename_entry);
+ remove_dir_entry(entry);
+ free(name);
+}
+
static void operate_on_dir(struct dir_info *dir);
static void operate_on_file(struct file_info *file);
/* Randomly select something to do with a directory entry */
static void operate_on_entry(struct dir_entry_info *entry)
{
+ /* 1 time in 1000 rename */
+ if (tests_random_no(1000) == 0) {
+ rename_entry(entry);
+ return;
+ }
if (entry->type == 'd') {
/* If shrinking, 1 time in 50, remove a directory */
if (shrink && tests_random_no(50) == 0) {