#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/crc32c.h>
+#include <linux/slab.h>
#include "compat.h"
#include "ctree.h"
#include "disk-io.h"
static void end_workqueue_fn(struct btrfs_work *work);
static void free_fs_root(struct btrfs_root *root);
-static atomic_t btrfs_bdi_num = ATOMIC_INIT(0);
-
/*
* end_io_wq structs are used to do processing in task context when an IO is
* complete. This is used during reads to verify checksums, and it is used
{
int err;
- bdi->name = "btrfs";
bdi->capabilities = BDI_CAP_MAP_COPY;
- err = bdi_init(bdi);
+ err = bdi_setup_and_register(bdi, "btrfs", BDI_CAP_MAP_COPY);
if (err)
return err;
- err = bdi_register(bdi, NULL, "btrfs-%d",
- atomic_inc_return(&btrfs_bdi_num));
- if (err) {
- bdi_destroy(bdi);
- return err;
- }
-
bdi->ra_pages = default_backing_dev_info.ra_pages;
bdi->unplug_io_fn = btrfs_unplug_io_fn;
bdi->unplug_io_data = info;
atomic_set(&fs_info->async_submit_draining, 0);
atomic_set(&fs_info->nr_async_bios, 0);
fs_info->sb = sb;
- fs_info->max_extent = (u64)-1;
fs_info->max_inline = 8192 * 1024;
fs_info->metadata_ratio = 0;
csum_root->track_dirty = 1;
- btrfs_read_block_groups(extent_root);
+ ret = btrfs_read_block_groups(extent_root);
+ if (ret) {
+ printk(KERN_ERR "Failed to read block groups: %d\n", ret);
+ goto fail_block_groups;
+ }
fs_info->generation = generation;
fs_info->last_trans_committed = generation;
fs_info->cleaner_kthread = kthread_run(cleaner_kthread, tree_root,
"btrfs-cleaner");
if (IS_ERR(fs_info->cleaner_kthread))
- goto fail_csum_root;
+ goto fail_block_groups;
fs_info->transaction_kthread = kthread_run(transaction_kthread,
tree_root,
filemap_write_and_wait(fs_info->btree_inode->i_mapping);
invalidate_inode_pages2(fs_info->btree_inode->i_mapping);
-fail_csum_root:
+fail_block_groups:
+ btrfs_free_block_groups(fs_info);
free_extent_buffer(csum_root->node);
free_extent_buffer(csum_root->commit_root);
fail_dev_root: