Btrfs: qgroup state and initialization (416ac51d) · Commits · e / devices / android_kernel_sony_msm8994

fs/btrfs/ctree.h

+24 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1120,6 +1120,7 @@ struct btrfs_fs_info {
	struct btrfs_root *dev_root;		struct btrfs_root *dev_root;
	struct btrfs_root *fs_root;		struct btrfs_root *fs_root;
	struct btrfs_root *csum_root;		struct btrfs_root *csum_root;
			struct btrfs_root *quota_root;

	/* the log root tree is a directory of all the other log roots */		/* the log root tree is a directory of all the other log roots */
	struct btrfs_root *log_root_tree;		struct btrfs_root *log_root_tree;
	@@ -1374,6 +1375,29 @@ struct btrfs_fs_info {
	#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY		#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
	u32 check_integrity_print_mask;		u32 check_integrity_print_mask;
	#endif		#endif
			/*
			* quota information
			*/
			unsigned int quota_enabled:1;

			/*
			* quota_enabled only changes state after a commit. This holds the
			* next state.
			*/
			unsigned int pending_quota_state:1;

			/* is qgroup tracking in a consistent state? */
			u64 qgroup_flags;

			/* holds configuration and tracking. Protected by qgroup_lock */
			struct rb_root qgroup_tree;
			spinlock_t qgroup_lock;

			/* list of dirty qgroups to be written at next commit */
			struct list_head dirty_qgroups;

			/* used by btrfs_qgroup_record_ref for an efficient tree traversal */
			u64 qgroup_seq;

	/* filesystem state */		/* filesystem state */
	u64 fs_state;		u64 fs_state;

+7 −0

Original line number	Original line	Diff line number	Diff line
	@@ -2110,6 +2110,13 @@ int open_ctree(struct super_block *sb,
	init_rwsem(&fs_info->cleanup_work_sem);		init_rwsem(&fs_info->cleanup_work_sem);
	init_rwsem(&fs_info->subvol_sem);		init_rwsem(&fs_info->subvol_sem);

			spin_lock_init(&fs_info->qgroup_lock);
			fs_info->qgroup_tree = RB_ROOT;
			INIT_LIST_HEAD(&fs_info->dirty_qgroups);
			fs_info->qgroup_seq = 1;
			fs_info->quota_enabled = 0;
			fs_info->pending_quota_state = 0;

	btrfs_init_free_cluster(&fs_info->meta_alloc_cluster);		btrfs_init_free_cluster(&fs_info->meta_alloc_cluster);
	btrfs_init_free_cluster(&fs_info->data_alloc_cluster);		btrfs_init_free_cluster(&fs_info->data_alloc_cluster);