diff options
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 76 |
1 files changed, 37 insertions, 39 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 0d422c9908b8..f4bf7874c24a 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -739,6 +739,12 @@ struct btrfs_delayed_root; */ #define BTRFS_FS_NEED_ASYNC_COMMIT 17 +/* + * Indicate that balance has been set up from the ioctl and is in the main + * phase. The fs_info::balance_ctl is initialized. + */ +#define BTRFS_FS_BALANCE_RUNNING 18 + struct btrfs_fs_info { u8 fsid[BTRFS_FSID_SIZE]; u8 chunk_tree_uuid[BTRFS_UUID_SIZE]; @@ -838,7 +844,6 @@ struct btrfs_fs_info { struct mutex transaction_kthread_mutex; struct mutex cleaner_mutex; struct mutex chunk_mutex; - struct mutex volume_mutex; /* * this is taken to make sure we don't set block groups ro after @@ -1004,7 +1009,6 @@ struct btrfs_fs_info { /* restriper state */ spinlock_t balance_lock; struct mutex balance_mutex; - atomic_t balance_running; atomic_t balance_pause_req; atomic_t balance_cancel_req; struct btrfs_balance_control *balance_ctl; @@ -1219,9 +1223,6 @@ struct btrfs_root { spinlock_t log_extents_lock[2]; struct list_head logged_list[2]; - spinlock_t orphan_lock; - atomic_t orphan_inodes; - struct btrfs_block_rsv *orphan_block_rsv; int orphan_cleanup_state; spinlock_t inode_lock; @@ -2764,13 +2765,9 @@ void btrfs_delalloc_release_space(struct inode *inode, void btrfs_free_reserved_data_space_noquota(struct inode *inode, u64 start, u64 len); void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans); -int btrfs_orphan_reserve_metadata(struct btrfs_trans_handle *trans, - struct btrfs_inode *inode); -void btrfs_orphan_release_metadata(struct btrfs_inode *inode); int btrfs_subvolume_reserve_metadata(struct btrfs_root *root, struct btrfs_block_rsv *rsv, - int nitems, - u64 *qgroup_reserved, bool use_global_rsv); + int nitems, bool use_global_rsv); void btrfs_subvolume_release_metadata(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *rsv); void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes, @@ -2828,7 +2825,7 @@ void btrfs_wait_for_snapshot_creation(struct btrfs_root *root); void check_system_chunk(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, const u64 type); u64 add_new_free_space(struct btrfs_block_group_cache *block_group, - struct btrfs_fs_info *info, u64 start, u64 end); + u64 start, u64 end); /* ctree.c */ int btrfs_bin_search(struct extent_buffer *eb, const struct btrfs_key *key, @@ -3042,11 +3039,9 @@ void btrfs_update_root_times(struct btrfs_trans_handle *trans, struct btrfs_root *root); /* uuid-tree.c */ -int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, - struct btrfs_fs_info *fs_info, u8 *uuid, u8 type, +int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, u8 *uuid, u8 type, u64 subid); -int btrfs_uuid_tree_rem(struct btrfs_trans_handle *trans, - struct btrfs_fs_info *fs_info, u8 *uuid, u8 type, +int btrfs_uuid_tree_remove(struct btrfs_trans_handle *trans, u8 *uuid, u8 type, u64 subid); int btrfs_uuid_tree_iterate(struct btrfs_fs_info *fs_info, int (*check_func)(struct btrfs_fs_info *, u8 *, u8, @@ -3163,18 +3158,6 @@ void btrfs_extent_item_to_extent_map(struct btrfs_inode *inode, struct extent_map *em); /* inode.c */ -struct btrfs_delalloc_work { - struct inode *inode; - int delay_iput; - struct completion completion; - struct list_head list; - struct btrfs_work work; -}; - -struct btrfs_delalloc_work *btrfs_alloc_delalloc_work(struct inode *inode, - int delay_iput); -void btrfs_wait_and_free_delalloc_work(struct btrfs_delalloc_work *work); - struct extent_map *btrfs_get_extent_fiemap(struct btrfs_inode *inode, struct page *page, size_t pg_offset, u64 start, u64 len, int create); @@ -3193,10 +3176,7 @@ int btrfs_unlink_inode(struct btrfs_trans_handle *trans, int btrfs_add_link(struct btrfs_trans_handle *trans, struct btrfs_inode *parent_inode, struct btrfs_inode *inode, const char *name, int name_len, int add_backref, u64 index); -int btrfs_unlink_subvol(struct btrfs_trans_handle *trans, - struct btrfs_root *root, - struct inode *dir, u64 objectid, - const char *name, int name_len); +int btrfs_delete_subvolume(struct inode *dir, struct dentry *dentry); int btrfs_truncate_block(struct inode *inode, loff_t from, loff_t len, int front); int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans, @@ -3204,9 +3184,8 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans, struct inode *inode, u64 new_size, u32 min_type); -int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput); -int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, int delay_iput, - int nr); +int btrfs_start_delalloc_inodes(struct btrfs_root *root); +int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, int nr); int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end, unsigned int extra_bits, struct extent_state **cached_state, int dedupe); @@ -3240,10 +3219,7 @@ int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans, int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct btrfs_inode *inode); int btrfs_orphan_cleanup(struct btrfs_root *root); -void btrfs_orphan_commit_root(struct btrfs_trans_handle *trans, - struct btrfs_root *root); int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size); -void btrfs_invalidate_inodes(struct btrfs_root *root); void btrfs_add_delayed_iput(struct inode *inode); void btrfs_run_delayed_iputs(struct btrfs_fs_info *fs_info); int btrfs_prealloc_file_range(struct inode *inode, int mode, @@ -3262,14 +3238,14 @@ void btrfs_test_inode_set_ops(struct inode *inode); long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg); long btrfs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); int btrfs_ioctl_get_supported_features(void __user *arg); -void btrfs_update_iflags(struct inode *inode); +void btrfs_sync_inode_flags_to_i_flags(struct inode *inode); int btrfs_is_empty_uuid(u8 *uuid); int btrfs_defrag_file(struct inode *inode, struct file *file, struct btrfs_ioctl_defrag_range_args *range, u64 newer_than, unsigned long max_pages); void btrfs_get_block_group_info(struct list_head *groups_list, struct btrfs_ioctl_space_info *space); -void update_ioctl_balance_args(struct btrfs_fs_info *fs_info, int lock, +void btrfs_update_ioctl_balance_args(struct btrfs_fs_info *fs_info, struct btrfs_ioctl_balance_args *bargs); ssize_t btrfs_dedupe_file_range(struct file *src_file, u64 loff, u64 olen, struct file *dst_file, u64 dst_loff); @@ -3767,4 +3743,26 @@ static inline int btrfs_is_testing(struct btrfs_fs_info *fs_info) return 0; } +static inline void cond_wake_up(struct wait_queue_head *wq) +{ + /* + * This implies a full smp_mb barrier, see comments for + * waitqueue_active why. + */ + if (wq_has_sleeper(wq)) + wake_up(wq); +} + +static inline void cond_wake_up_nomb(struct wait_queue_head *wq) +{ + /* + * Special case for conditional wakeup where the barrier required for + * waitqueue_active is implied by some of the preceding code. Eg. one + * of such atomic operations (atomic_dec_and_return, ...), or a + * unlock/lock sequence, etc. + */ + if (waitqueue_active(wq)) + wake_up(wq); +} + #endif |