diff options
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 80599b4e42bd..b3959a150c3b 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -675,18 +675,19 @@ struct btrfs_space_info { current allocations */ u64 bytes_readonly; /* total bytes that are read only */ u64 bytes_super; /* total bytes reserved for the super blocks */ - - /* delalloc accounting */ - u64 bytes_delalloc; /* number of bytes reserved for allocation, - this space is not necessarily reserved yet - by the allocator */ + u64 bytes_root; /* the number of bytes needed to commit a + transaction */ u64 bytes_may_use; /* number of bytes that may be used for - delalloc */ + delalloc/allocations */ + u64 bytes_delalloc; /* number of bytes currently reserved for + delayed allocation */ int full; /* indicates that we cannot allocate any more chunks for this space */ int force_alloc; /* set if we need to force a chunk alloc for this space */ + int force_delalloc; /* make people start doing filemap_flush until + we're under a threshold */ struct list_head list; @@ -695,6 +696,9 @@ struct btrfs_space_info { spinlock_t lock; struct rw_semaphore groups_sem; atomic_t caching_threads; + + int allocating_chunk; + wait_queue_head_t wait; }; /* @@ -2022,7 +2026,12 @@ u64 btrfs_reduce_alloc_profile(struct btrfs_root *root, u64 flags); void btrfs_set_inode_space_info(struct btrfs_root *root, struct inode *ionde); void btrfs_clear_space_info_full(struct btrfs_fs_info *info); -int btrfs_check_metadata_free_space(struct btrfs_root *root); +int btrfs_reserve_metadata_space(struct btrfs_root *root, int num_items); +int btrfs_unreserve_metadata_space(struct btrfs_root *root, int num_items); +int btrfs_unreserve_metadata_for_delalloc(struct btrfs_root *root, + struct inode *inode, int num_items); +int btrfs_reserve_metadata_for_delalloc(struct btrfs_root *root, + struct inode *inode, int num_items); int btrfs_check_data_free_space(struct btrfs_root *root, struct inode *inode, u64 bytes); void btrfs_free_reserved_data_space(struct btrfs_root *root, |