rwlock_t global_root_lock;
struct rb_root global_root_tree;
- /* The xarray that holds all the FS roots */
- spinlock_t fs_roots_lock;
- struct xarray fs_roots;
+ spinlock_t fs_roots_radix_lock;
+ struct radix_tree_root fs_roots_radix;
/* block group cache stuff */
rwlock_t block_group_cache_lock;
struct btrfs_workqueue *hipri_workers;
struct btrfs_workqueue *delalloc_workers;
struct btrfs_workqueue *flush_workers;
- struct btrfs_workqueue *endio_workers;
- struct btrfs_workqueue *endio_meta_workers;
- struct btrfs_workqueue *endio_raid56_workers;
+ struct workqueue_struct *endio_workers;
+ struct workqueue_struct *endio_meta_workers;
+ struct workqueue_struct *endio_raid56_workers;
struct workqueue_struct *rmw_workers;
- struct btrfs_workqueue *endio_meta_write_workers;
+ struct workqueue_struct *compressed_write_workers;
struct btrfs_workqueue *endio_write_workers;
struct btrfs_workqueue *endio_freespace_worker;
struct btrfs_workqueue *caching_workers;
struct btrfs_delayed_root *delayed_root;
- /* Extent buffer xarray */
+ /* Extent buffer radix tree */
spinlock_t buffer_lock;
/* Entries are eb->start / sectorsize */
- struct xarray extent_buffers;
+ struct radix_tree_root buffer_radix;
/* next backup root to be overwritten */
int backup_root_index;
*/
BTRFS_ROOT_SHAREABLE,
BTRFS_ROOT_TRACK_DIRTY,
- /* The root is tracked in fs_info::fs_roots */
- BTRFS_ROOT_REGISTERED,
+ BTRFS_ROOT_IN_RADIX,
BTRFS_ROOT_ORPHAN_ITEM_INSERTED,
BTRFS_ROOT_DEFRAG_RUNNING,
BTRFS_ROOT_FORCE_COW,
struct rb_root inode_tree;
/*
- * Xarray that keeps track of delayed nodes of every inode, protected
- * by inode_lock
+ * radix tree that keeps track of delayed nodes of every inode,
+ * protected by inode_lock
*/
- struct xarray delayed_nodes;
+ struct radix_tree_root delayed_nodes_tree;
/*
* right now this just gets used so that a root has its own devid
* for stat. It may be used for more later
enum btrfs_inline_ref_type is_data);
u64 hash_extent_data_ref(u64 root_objectid, u64 owner, u64 offset);
+static inline u8 *btrfs_csum_ptr(const struct btrfs_fs_info *fs_info, u8 *csums,
+ u64 offset)
+{
+ u64 offset_in_sectors = offset >> fs_info->sectorsize_bits;
+
+ return csums + offset_in_sectors * fs_info->csum_size;
+}
+
/*
- * Take the number of bytes to be checksummmed and figure out how many leaves
+ * Take the number of bytes to be checksummed and figure out how many leaves
* it would require to store the csums for that many bytes.
*/
static inline u64 btrfs_csum_bytes_to_leaves(
u64 btrfs_file_extent_end(const struct btrfs_path *path);
/* inode.c */
-void btrfs_submit_data_bio(struct inode *inode, struct bio *bio,
- int mirror_num, enum btrfs_compression_type compress_type);
+void btrfs_submit_data_write_bio(struct inode *inode, struct bio *bio, int mirror_num);
+void btrfs_submit_data_read_bio(struct inode *inode, struct bio *bio,
+ int mirror_num, enum btrfs_compression_type compress_type);
+int btrfs_check_sector_csum(struct btrfs_fs_info *fs_info, struct page *page,
+ u32 pgoff, u8 *csum, const u8 * const csum_expected);
unsigned int btrfs_verify_data_csum(struct btrfs_bio *bbio,
u32 bio_offset, struct page *page,
u64 start, u64 end);
void btrfs_writepage_endio_finish_ordered(struct btrfs_inode *inode,
struct page *page, u64 start,
u64 end, bool uptodate);
+int btrfs_encoded_io_compression_from_extent(struct btrfs_fs_info *fs_info,
+ int compress_type);
+int btrfs_encoded_read_regular_fill_pages(struct btrfs_inode *inode,
+ u64 file_offset, u64 disk_bytenr,
+ u64 disk_io_size,
+ struct page **pages);
ssize_t btrfs_encoded_read(struct kiocb *iocb, struct iov_iter *iter,
struct btrfs_ioctl_encoded_io_args *encoded);
ssize_t btrfs_do_encoded_write(struct kiocb *iocb, struct iov_iter *from,