^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2013 Fusion IO. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/mount.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/pseudo_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/magic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "btrfs-tests.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "../ctree.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "../free-space-cache.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "../free-space-tree.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "../transaction.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "../volumes.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "../disk-io.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "../qgroup.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "../block-group.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static struct vfsmount *test_mnt = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) const char *test_error[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) [TEST_ALLOC_FS_INFO] = "cannot allocate fs_info",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) [TEST_ALLOC_ROOT] = "cannot allocate root",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) [TEST_ALLOC_EXTENT_BUFFER] = "cannot extent buffer",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) [TEST_ALLOC_PATH] = "cannot allocate path",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) [TEST_ALLOC_INODE] = "cannot allocate inode",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) [TEST_ALLOC_BLOCK_GROUP] = "cannot allocate block group",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) [TEST_ALLOC_EXTENT_MAP] = "cannot allocate extent map",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static const struct super_operations btrfs_test_super_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) .alloc_inode = btrfs_alloc_inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) .destroy_inode = btrfs_test_destroy_inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static int btrfs_test_init_fs_context(struct fs_context *fc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct pseudo_fs_context *ctx = init_pseudo(fc, BTRFS_TEST_MAGIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) if (!ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) ctx->ops = &btrfs_test_super_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static struct file_system_type test_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .name = "btrfs_test_fs",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .init_fs_context = btrfs_test_init_fs_context,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) .kill_sb = kill_anon_super,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct inode *btrfs_new_test_inode(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) inode = new_inode(test_mnt->mnt_sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) inode_init_owner(inode, NULL, S_IFREG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) return inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) static int btrfs_init_test_fs(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) ret = register_filesystem(&test_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) printk(KERN_ERR "btrfs: cannot register test file system\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) test_mnt = kern_mount(&test_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) if (IS_ERR(test_mnt)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) printk(KERN_ERR "btrfs: cannot mount test file system\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) unregister_filesystem(&test_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) return PTR_ERR(test_mnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static void btrfs_destroy_test_fs(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) kern_unmount(test_mnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) unregister_filesystem(&test_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct btrfs_device *btrfs_alloc_dummy_device(struct btrfs_fs_info *fs_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct btrfs_device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) dev = kzalloc(sizeof(*dev), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (!dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) extent_io_tree_init(NULL, &dev->alloc_state, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) INIT_LIST_HEAD(&dev->dev_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) list_add(&dev->dev_list, &fs_info->fs_devices->devices);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) static void btrfs_free_dummy_device(struct btrfs_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) extent_io_tree_release(&dev->alloc_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) kfree(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct btrfs_fs_info *btrfs_alloc_dummy_fs_info(u32 nodesize, u32 sectorsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct btrfs_fs_info *fs_info = kzalloc(sizeof(struct btrfs_fs_info),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) if (!fs_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) return fs_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) fs_info->fs_devices = kzalloc(sizeof(struct btrfs_fs_devices),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (!fs_info->fs_devices) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) kfree(fs_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) INIT_LIST_HEAD(&fs_info->fs_devices->devices);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) fs_info->super_copy = kzalloc(sizeof(struct btrfs_super_block),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) if (!fs_info->super_copy) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) kfree(fs_info->fs_devices);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) kfree(fs_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) btrfs_init_fs_info(fs_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) fs_info->nodesize = nodesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) fs_info->sectorsize = sectorsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) set_bit(BTRFS_FS_STATE_DUMMY_FS_INFO, &fs_info->fs_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) test_mnt->mnt_sb->s_fs_info = fs_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) return fs_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) void btrfs_free_dummy_fs_info(struct btrfs_fs_info *fs_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) struct radix_tree_iter iter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) void **slot;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) struct btrfs_device *dev, *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) if (!fs_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (WARN_ON(!test_bit(BTRFS_FS_STATE_DUMMY_FS_INFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) &fs_info->fs_state)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) test_mnt->mnt_sb->s_fs_info = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) spin_lock(&fs_info->buffer_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) radix_tree_for_each_slot(slot, &fs_info->buffer_radix, &iter, 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) struct extent_buffer *eb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) eb = radix_tree_deref_slot_protected(slot, &fs_info->buffer_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) if (!eb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) /* Shouldn't happen but that kind of thinking creates CVE's */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) if (radix_tree_exception(eb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) if (radix_tree_deref_retry(eb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) slot = radix_tree_iter_retry(&iter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) slot = radix_tree_iter_resume(slot, &iter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) spin_unlock(&fs_info->buffer_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) free_extent_buffer_stale(eb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) spin_lock(&fs_info->buffer_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) spin_unlock(&fs_info->buffer_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) btrfs_mapping_tree_free(&fs_info->mapping_tree);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) list_for_each_entry_safe(dev, tmp, &fs_info->fs_devices->devices,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) dev_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) btrfs_free_dummy_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) btrfs_free_qgroup_config(fs_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) btrfs_free_fs_roots(fs_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) kfree(fs_info->super_copy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) btrfs_check_leaked_roots(fs_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) btrfs_extent_buffer_leak_debug_check(fs_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) kfree(fs_info->fs_devices);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) kfree(fs_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) void btrfs_free_dummy_root(struct btrfs_root *root)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (!root)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) /* Will be freed by btrfs_free_fs_roots */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (WARN_ON(test_bit(BTRFS_ROOT_IN_RADIX, &root->state)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) btrfs_put_root(root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) struct btrfs_block_group *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) btrfs_alloc_dummy_block_group(struct btrfs_fs_info *fs_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) unsigned long length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) struct btrfs_block_group *cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) cache = kzalloc(sizeof(*cache), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (!cache)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) cache->free_space_ctl = kzalloc(sizeof(*cache->free_space_ctl),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) if (!cache->free_space_ctl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) kfree(cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) cache->start = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) cache->length = length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) cache->full_stripe_len = fs_info->sectorsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) cache->fs_info = fs_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) INIT_LIST_HEAD(&cache->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) INIT_LIST_HEAD(&cache->cluster_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) INIT_LIST_HEAD(&cache->bg_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) btrfs_init_free_space_ctl(cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) mutex_init(&cache->free_space_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) return cache;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) void btrfs_free_dummy_block_group(struct btrfs_block_group *cache)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (!cache)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) __btrfs_remove_free_space_cache(cache->free_space_ctl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) kfree(cache->free_space_ctl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) kfree(cache);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) void btrfs_init_dummy_trans(struct btrfs_trans_handle *trans,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) struct btrfs_fs_info *fs_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) memset(trans, 0, sizeof(*trans));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) trans->transid = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) trans->type = __TRANS_DUMMY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) trans->fs_info = fs_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) int btrfs_run_sanity_tests(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) u32 sectorsize, nodesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) u32 test_sectorsize[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) ret = btrfs_init_test_fs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) for (i = 0; i < ARRAY_SIZE(test_sectorsize); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) sectorsize = test_sectorsize[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) for (nodesize = sectorsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) nodesize <= BTRFS_MAX_METADATA_BLOCKSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) nodesize <<= 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) pr_info("BTRFS: selftest: sectorsize: %u nodesize: %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) sectorsize, nodesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) ret = btrfs_test_free_space_cache(sectorsize, nodesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) ret = btrfs_test_extent_buffer_operations(sectorsize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) nodesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) ret = btrfs_test_extent_io(sectorsize, nodesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) ret = btrfs_test_inodes(sectorsize, nodesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) ret = btrfs_test_qgroups(sectorsize, nodesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) ret = btrfs_test_free_space_tree(sectorsize, nodesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) ret = btrfs_test_extent_map();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) btrfs_destroy_test_fs();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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