diff options
Diffstat (limited to 'fs/btrfs/extent_io.h')
| -rw-r--r-- | fs/btrfs/extent_io.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index bd5c12599057..aef7a46b1e61 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -106,12 +106,27 @@ struct extent_io_ops { int mirror); }; +enum { + IO_TREE_FS_INFO_FREED_EXTENTS0, + IO_TREE_FS_INFO_FREED_EXTENTS1, + IO_TREE_INODE_IO, + IO_TREE_INODE_IO_FAILURE, + IO_TREE_RELOC_BLOCKS, + IO_TREE_TRANS_DIRTY_PAGES, + IO_TREE_ROOT_DIRTY_LOG_PAGES, + IO_TREE_SELFTEST, +}; + struct extent_io_tree { struct rb_root state; struct btrfs_fs_info *fs_info; void *private_data; u64 dirty_bytes; bool track_uptodate; + + /* Who owns this io tree, should be one of IO_TREE_* */ + u8 owner; + spinlock_t lock; const struct extent_io_ops *ops; }; @@ -241,7 +256,8 @@ typedef struct extent_map *(get_extent_t)(struct btrfs_inode *inode, int create); void extent_io_tree_init(struct btrfs_fs_info *fs_info, - struct extent_io_tree *tree, void *private_data); + struct extent_io_tree *tree, unsigned int owner, + void *private_data); int try_release_extent_mapping(struct page *page, gfp_t mask); int try_release_extent_buffer(struct page *page); int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end, |