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Btrfs: start of support for many FS volumes

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-04-06 15:37:36 -04:00
committed by David Woodhouse
parent 3eb0314dc1
commit d6e4a428eb
9 changed files with 242 additions and 79 deletions
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7
fs/btrfs/disk-io.c
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@ -338,7 +338,6 @@ struct btrfs_root *open_ctree(struct super_block *sb)
sb->s_blocksize);
if (!fs_info->sb_buffer) {
printk("failed2\n");
return NULL;
}
disk_super = (struct btrfs_super_block *)fs_info->sb_buffer->b_data;
@ -369,6 +368,10 @@ printk("failed2\n");
ret = btrfs_find_highest_inode(root, &root->fs_info->last_inode_alloc);
if (ret == 0)
fs_info->highest_inode = fs_info->last_inode_alloc;
memset(&fs_info->kobj, 0, sizeof(fs_info->kobj));
kobj_set_kset_s(fs_info, btrfs_subsys);
kobject_set_name(&fs_info->kobj, "%s", sb->s_id);
kobject_register(&fs_info->kobj);
mutex_unlock(&fs_info->fs_mutex);
return root;
}
@ -430,7 +433,7 @@ int close_ctree(struct btrfs_root *root)
kfree(root->fs_info->extent_root);
kfree(root->fs_info->inode_root);
kfree(root->fs_info->tree_root);
kfree(root->fs_info);
kobject_unregister(&root->fs_info->kobj);
kfree(root);
return 0;
}