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authorOmar Sandoval <osandov@fb.com>2018-07-12 16:11:18 -0700
committerDavid Sterba <dsterba@suse.com>2018-08-06 15:01:38 +0200
commit0cbcc58b965dff15980d65d27853bd6a9348a627 (patch)
tree9a6bdc67420393347b8a9086930e7bfabd99d123 /dir-test.c
parent9d26ce02cb8f0ee8cd37842e66a3e474bc6bcd46 (diff)
btrfs-progs: remove stale dir-test
It does not 't build anymore and we don't have any use for it. Signed-off-by: Omar Sandoval <osandov@fb.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'dir-test.c')
-rw-r--r--dir-test.c518
1 files changed, 0 insertions, 518 deletions
diff --git a/dir-test.c b/dir-test.c
deleted file mode 100644
index cfb77f2a..00000000
--- a/dir-test.c
+++ /dev/null
@@ -1,518 +0,0 @@
-/*
- * Copyright (C) 2007 Oracle. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License v2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include "kerncompat.h"
-#include "radix-tree.h"
-#include "ctree.h"
-#include "disk-io.h"
-#include "print-tree.h"
-#include "hash.h"
-#include "transaction.h"
-
-int keep_running = 1;
-struct btrfs_super_block super;
-static u64 dir_oid = 0;
-static u64 file_oid = 33778;
-
-static int find_num(struct radix_tree_root *root, unsigned long *num_ret,
- int exists)
-{
- unsigned long num = rand();
- unsigned long res[2];
- int ret;
-
-again:
- ret = radix_tree_gang_lookup(root, (void **)res, num, 2);
- if (exists) {
- if (ret == 0)
- return -1;
- num = res[0];
- } else if (ret != 0 && num == res[0]) {
- num++;
- if (ret > 1 && num == res[1]) {
- num++;
- goto again;
- }
- }
- *num_ret = num;
- return 0;
-}
-
-static void initial_inode_init(struct btrfs_root *root,
- struct btrfs_inode_item *inode_item)
-{
- memset(inode_item, 0, sizeof(*inode_item));
- btrfs_set_inode_generation(inode_item, root->fs_info->generation);
- btrfs_set_inode_mode(inode_item, S_IFREG | 0700);
-}
-
-static int ins_one(struct btrfs_trans_handle *trans, struct btrfs_root *root,
- struct radix_tree_root *radix)
-{
- int ret;
- char buf[128];
- unsigned long oid;
- u64 objectid;
- struct btrfs_path path;
- struct btrfs_key inode_map;
- struct btrfs_inode_item inode_item;
-
- find_num(radix, &oid, 0);
- sprintf(buf, "str-%lu", oid);
-
- ret = btrfs_find_free_objectid(trans, root, dir_oid + 1, &objectid);
- if (ret)
- goto error;
-
- inode_map.objectid = objectid;
- inode_map.flags = 0;
- inode_map.type = BTRFS_INODE_ITEM_KEY;
- inode_map.offset = 0;
-
- initial_inode_init(root, &inode_item);
- ret = btrfs_insert_inode(trans, root, objectid, &inode_item);
- if (ret)
- goto error;
- ret = btrfs_insert_dir_item(trans, root, buf, strlen(buf), dir_oid,
- &inode_map, BTRFS_FT_UNKNOWN);
- if (ret)
- goto error;
-
- radix_tree_preload(GFP_KERNEL);
- ret = radix_tree_insert(radix, oid, (void *)oid);
- radix_tree_preload_end();
- if (ret)
- goto error;
- return ret;
-error:
- if (ret != -EEXIST)
- goto fatal;
-
- /*
- * if we got an EEXIST, it may be due to hash collision, double
- * check
- */
- btrfs_init_path(&path);
- ret = btrfs_lookup_dir_item(trans, root, &path, dir_oid, buf,
- strlen(buf), 0);
- if (ret)
- goto fatal_release;
- if (!btrfs_match_dir_item_name(root, &path, buf, strlen(buf))) {
- struct btrfs_dir_item *di;
- char *found;
- u32 found_len;
- u64 myhash;
- u64 foundhash;
-
- di = btrfs_item_ptr(&path.nodes[0]->leaf, path.slots[0],
- struct btrfs_dir_item);
- found = (char *)(di + 1);
- found_len = btrfs_dir_name_len(di);
- myhash = btrfs_name_hash(buf, strlen(buf));
- foundhash = btrfs_name_hash(found, found_len);
- if (myhash != foundhash)
- goto fatal_release;
- btrfs_release_path(&path);
- return 0;
- }
-fatal_release:
- btrfs_release_path(&path);
-fatal:
- printf("failed to insert %lu ret %d\n", oid, ret);
- return ret;
-}
-
-static int insert_dup(struct btrfs_trans_handle *trans, struct btrfs_root
- *root, struct radix_tree_root *radix)
-{
- int ret;
- char buf[128];
- unsigned long oid;
- struct btrfs_key key;
-
- ret = find_num(radix, &oid, 1);
- if (ret < 0)
- return 0;
- sprintf(buf, "str-%lu", oid);
-
- key.objectid = file_oid;
- key.flags = 0;
- key.type = BTRFS_INODE_ITEM_KEY;
- key.offset = 0;
- ret = btrfs_insert_dir_item(trans, root, buf, strlen(buf), dir_oid,
- &key, BTRFS_FT_UNKNOWN);
- if (ret != -EEXIST) {
- printf("insert on %s gave us %d\n", buf, ret);
- return 1;
- }
- return 0;
-}
-
-static int del_dir_item(struct btrfs_trans_handle *trans,
- struct btrfs_root *root,
- struct radix_tree_root *radix,
- unsigned long radix_index,
- struct btrfs_path *path)
-{
- int ret;
- unsigned long *ptr;
- u64 file_objectid;
- struct btrfs_dir_item *di;
-
- /* find the inode number of the file */
- di = btrfs_item_ptr(&path->nodes[0]->leaf, path->slots[0],
- struct btrfs_dir_item);
- file_objectid = btrfs_disk_key_objectid(&di->location);
-
- /* delete the directory item */
- ret = btrfs_del_item(trans, root, path);
- if (ret)
- goto out_release;
- btrfs_release_path(path);
-
- /* delete the inode */
- btrfs_init_path(path);
- ret = btrfs_lookup_inode(trans, root, path, file_objectid, -1);
- if (ret)
- goto out_release;
- ret = btrfs_del_item(trans, root, path);
- if (ret)
- goto out_release;
- btrfs_release_path(path);
-
- if (root->fs_info->last_inode_alloc > file_objectid)
- root->fs_info->last_inode_alloc = file_objectid;
- ptr = radix_tree_delete(radix, radix_index);
- if (!ptr) {
- ret = -5555;
- goto out;
- }
- return 0;
-out_release:
- btrfs_release_path(path);
-out:
- printf("failed to delete %lu %d\n", radix_index, ret);
- return ret;
-}
-
-static int del_one(struct btrfs_trans_handle *trans, struct btrfs_root *root,
- struct radix_tree_root *radix)
-{
- int ret;
- char buf[128];
- unsigned long oid;
- struct btrfs_path path;
-
- ret = find_num(radix, &oid, 1);
- if (ret < 0)
- return 0;
- sprintf(buf, "str-%lu", oid);
- btrfs_init_path(&path);
- ret = btrfs_lookup_dir_item(trans, root, &path, dir_oid, buf,
- strlen(buf), -1);
- if (ret)
- goto out_release;
-
- ret = del_dir_item(trans, root, radix, oid, &path);
- if (ret)
- goto out_release;
- return ret;
-out_release:
- btrfs_release_path(&path);
- printf("failed to delete %lu %d\n", oid, ret);
- return ret;
-}
-
-static int lookup_item(struct btrfs_trans_handle *trans, struct btrfs_root
- *root, struct radix_tree_root *radix)
-{
- struct btrfs_path path;
- char buf[128];
- int ret;
- unsigned long oid;
- u64 objectid;
- struct btrfs_dir_item *di;
-
- ret = find_num(radix, &oid, 1);
- if (ret < 0)
- return 0;
- sprintf(buf, "str-%lu", oid);
- btrfs_init_path(&path);
- ret = btrfs_lookup_dir_item(trans, root, &path, dir_oid, buf,
- strlen(buf), 0);
- if (!ret) {
- di = btrfs_item_ptr(&path.nodes[0]->leaf, path.slots[0],
- struct btrfs_dir_item);
- objectid = btrfs_disk_key_objectid(&di->location);
- }
- btrfs_release_path(&path);
- if (ret) {
- printf("unable to find key %lu\n", oid);
- return ret;
- }
- return 0;
-}
-
-static int lookup_enoent(struct btrfs_trans_handle *trans, struct btrfs_root
- *root, struct radix_tree_root *radix)
-{
- struct btrfs_path path;
- char buf[128];
- int ret;
- unsigned long oid;
-
- ret = find_num(radix, &oid, 0);
- if (ret < 0)
- return 0;
- sprintf(buf, "str-%lu", oid);
- btrfs_init_path(&path);
- ret = btrfs_lookup_dir_item(trans, root, &path, dir_oid, buf,
- strlen(buf), 0);
- btrfs_release_path(&path);
- if (!ret) {
- printf("able to find key that should not exist %lu\n", oid);
- return ret;
- }
- return 0;
-}
-
-static int empty_tree(struct btrfs_trans_handle *trans, struct btrfs_root
- *root, struct radix_tree_root *radix, int nr)
-{
- struct btrfs_path path;
- struct btrfs_key key;
- unsigned long found = 0;
- u32 found_len;
- int ret;
- int slot;
- int count = 0;
- char buf[128];
- struct btrfs_dir_item *di;
-
- key.offset = (u64)-1;
- key.flags = 0;
- key.type = BTRFS_DIR_ITEM_KEY;
- key.objectid = dir_oid;
- while(nr-- >= 0) {
- btrfs_init_path(&path);
- ret = btrfs_search_slot(trans, root, &key, &path, -1, 1);
- if (ret < 0) {
- btrfs_release_path(&path);
- return ret;
- }
- if (ret != 0) {
- if (path.slots[0] == 0) {
- btrfs_release_path(&path);
- break;
- }
- path.slots[0] -= 1;
- }
- slot = path.slots[0];
- di = btrfs_item_ptr(&path.nodes[0]->leaf, slot,
- struct btrfs_dir_item);
- found_len = btrfs_dir_name_len(di);
- memcpy(buf, (char *)(di + 1), found_len);
- BUG_ON(found_len > 128);
- buf[found_len] = '\0';
- found = atoi(buf + 4);
- ret = del_dir_item(trans, root, radix, found, &path);
- count++;
- if (ret) {
- fprintf(stderr,
- "failed to remove %lu from tree\n",
- found);
- return ret;
- }
- if (!keep_running)
- break;
- }
- return 0;
- fprintf(stderr, "failed to delete from the radix %lu\n", found);
- return ret;
-}
-
-static int fill_tree(struct btrfs_trans_handle *trans, struct btrfs_root *root,
- struct radix_tree_root *radix, int count)
-{
- int i;
- int ret = 0;
- for (i = 0; i < count; i++) {
- ret = ins_one(trans, root, radix);
- if (ret) {
- fprintf(stderr, "fill failed\n");
- goto out;
- }
- if (i % 1000 == 0) {
- ret = btrfs_commit_transaction(trans, root, &super);
- if (ret) {
- fprintf(stderr, "fill commit failed\n");
- return ret;
- }
- }
- if (i && i % 10000 == 0) {
- printf("bigfill %d\n", i);
- }
- if (!keep_running)
- break;
- }
-out:
- return ret;
-}
-
-static int bulk_op(struct btrfs_trans_handle *trans, struct btrfs_root *root,
- struct radix_tree_root *radix)
-{
- int ret;
- int nr = rand() % 5000;
- static int run_nr = 0;
-
- /* do the bulk op much less frequently */
- if (run_nr++ % 100)
- return 0;
- ret = empty_tree(trans, root, radix, nr);
- if (ret)
- return ret;
- ret = fill_tree(trans, root, radix, nr);
- if (ret)
- return ret;
- return 0;
-}
-
-
-int (*ops[])(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct
- radix_tree_root *radix) =
- { ins_one, insert_dup, del_one, lookup_item,
- lookup_enoent, bulk_op };
-
-void sigstopper(int ignored)
-{
- keep_running = 0;
- fprintf(stderr, "caught exit signal, stopping\n");
-}
-
-int print_usage(void)
-{
- printf("usage: tester [-ih] [-c count] [-f count]\n");
- printf("\t -c count -- iteration count after filling\n");
- printf("\t -f count -- run this many random inserts before starting\n");
- printf("\t -i -- only do initial fill\n");
- printf("\t -h -- this help text\n");
- exit(1);
-}
-int main(int ac, char **av)
-{
- RADIX_TREE(radix, GFP_KERNEL);
- struct btrfs_root *root;
- int i;
- int ret;
- int count;
- int op;
- int iterations = 20000;
- int init_fill_count = 800000;
- int err = 0;
- int initial_only = 0;
- struct btrfs_trans_handle *trans;
- radix_tree_init();
-
- root = open_ctree(av[ac-1], &super, 0);
-
- if (!root) {
- fprintf(stderr, "Open ctree failed\n");
- return 1;
- }
-
- trans = btrfs_start_transaction(root, 1);
- BUG_ON(IS_ERR(trans));
-
- dir_oid = btrfs_super_root_dir(&super);
-
- signal(SIGTERM, sigstopper);
- signal(SIGINT, sigstopper);
-
- for (i = 1 ; i < ac - 1; i++) {
- if (strcmp(av[i], "-i") == 0) {
- initial_only = 1;
- } else if (strcmp(av[i], "-c") == 0) {
- iterations = atoi(av[i+1]);
- i++;
- } else if (strcmp(av[i], "-f") == 0) {
- init_fill_count = atoi(av[i+1]);
- i++;
- } else {
- print_usage();
- }
- }
- printf("initial fill\n");
- ret = fill_tree(trans, root, &radix, init_fill_count);
- printf("starting run\n");
- if (ret) {
- err = ret;
- goto out;
- }
- if (initial_only == 1) {
- goto out;
- }
- for (i = 0; i < iterations; i++) {
- op = rand() % ARRAY_SIZE(ops);
- count = rand() % 128;
- if (i % 2000 == 0) {
- printf("%d\n", i);
- fflush(stdout);
- }
- if (i && i % 5000 == 0) {
- printf("open & close, root level %d nritems %d\n",
- btrfs_header_level(&root->node->node.header),
- btrfs_header_nritems(&root->node->node.header));
- close_ctree(root, &super);
- root = open_ctree("dbfile", &super, 0);
-
- if (!root) {
- fprintf(stderr, "Open ctree failed\n");
- return 1;
- }
- }
- while(count--) {
- ret = ops[op](trans, root, &radix);
- if (ret) {
- fprintf(stderr, "op %d failed %d:%d\n",
- op, i, iterations);
- btrfs_print_tree(root, root->node, 1);
- fprintf(stderr, "op %d failed %d:%d\n",
- op, i, iterations);
- err = ret;
- goto out;
- }
- if (ops[op] == bulk_op)
- break;
- if (keep_running == 0) {
- err = 0;
- goto out;
- }
- }
- }
-out:
- close_ctree(root, &super);
- return !!err;
-}
-