diff options
Diffstat (limited to 'fs/btrfs/fs.h')
| -rw-r--r-- | fs/btrfs/fs.h | 80 |
1 files changed, 62 insertions, 18 deletions
diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h index 318df6f9d9cb..89f0650631cd 100644 --- a/fs/btrfs/fs.h +++ b/fs/btrfs/fs.h @@ -4,13 +4,49 @@ #define BTRFS_FS_H #include <linux/blkdev.h> -#include <linux/fs.h> -#include <linux/btrfs_tree.h> #include <linux/sizes.h> +#include <linux/time64.h> +#include <linux/compiler.h> +#include <linux/math.h> +#include <linux/atomic.h> +#include <linux/percpu_counter.h> +#include <linux/completion.h> +#include <linux/lockdep.h> +#include <linux/spinlock.h> +#include <linux/mutex.h> +#include <linux/rwlock_types.h> +#include <linux/rwsem.h> +#include <linux/semaphore.h> +#include <linux/list.h> +#include <linux/radix-tree.h> +#include <linux/workqueue.h> +#include <linux/wait.h> +#include <linux/wait_bit.h> +#include <linux/sched.h> +#include <linux/rbtree.h> +#include <uapi/linux/btrfs.h> +#include <uapi/linux/btrfs_tree.h> #include "extent-io-tree.h" -#include "extent_map.h" #include "async-thread.h" #include "block-rsv.h" +#include "fs.h" + +struct inode; +struct super_block; +struct kobject; +struct reloc_control; +struct crypto_shash; +struct ulist; +struct btrfs_device; +struct btrfs_block_group; +struct btrfs_root; +struct btrfs_fs_devices; +struct btrfs_transaction; +struct btrfs_delayed_root; +struct btrfs_balance_control; +struct btrfs_subpage_info; +struct btrfs_stripe_hash_table; +struct btrfs_space_info; #define BTRFS_MAX_EXTENT_SIZE SZ_128M @@ -188,6 +224,7 @@ enum { BTRFS_MOUNT_IGNOREBADROOTS = (1UL << 27), BTRFS_MOUNT_IGNOREDATACSUMS = (1UL << 28), BTRFS_MOUNT_NODISCARD = (1UL << 29), + BTRFS_MOUNT_NOSPACECACHE = (1UL << 30), }; /* @@ -398,7 +435,8 @@ struct btrfs_fs_info { struct extent_io_tree excluded_extents; /* logical->physical extent mapping */ - struct extent_map_tree mapping_tree; + struct rb_root_cached mapping_tree; + rwlock_t mapping_tree_lock; /* * Block reservation for extent, checksum, root tree and delayed dir @@ -591,6 +629,10 @@ struct btrfs_fs_info { s32 dirty_metadata_batch; s32 delalloc_batch; + struct percpu_counter evictable_extent_maps; + u64 extent_map_shrinker_last_root; + u64 extent_map_shrinker_last_ino; + /* Protected by 'trans_lock'. */ struct list_head dirty_cowonly_roots; @@ -730,10 +772,13 @@ struct btrfs_fs_info { /* Reclaim partially filled block groups in the background */ struct work_struct reclaim_bgs_work; + /* Protected by unused_bgs_lock. */ struct list_head reclaim_bgs; int bg_reclaim_threshold; + /* Protects the lists unused_bgs and reclaim_bgs. */ spinlock_t unused_bgs_lock; + /* Protected by unused_bgs_lock. */ struct list_head unused_bgs; struct mutex unused_bg_unpin_mutex; /* Protect block groups that are going to be deleted */ @@ -827,6 +872,17 @@ struct btrfs_fs_info { #endif }; +#define page_to_inode(_page) (BTRFS_I(_Generic((_page), \ + struct page *: (_page))->mapping->host)) +#define folio_to_inode(_folio) (BTRFS_I(_Generic((_folio), \ + struct folio *: (_folio))->mapping->host)) + +#define page_to_fs_info(_page) (page_to_inode(_page)->root->fs_info) +#define folio_to_fs_info(_folio) (folio_to_inode(_folio)->root->fs_info) + +#define inode_to_fs_info(_inode) (BTRFS_I(_Generic((_inode), \ + struct inode *: (_inode)))->root->fs_info) + static inline u64 btrfs_get_fs_generation(const struct btrfs_fs_info *fs_info) { return READ_ONCE(fs_info->generation); @@ -920,6 +976,8 @@ void btrfs_exclop_finish(struct btrfs_fs_info *fs_info); void btrfs_exclop_balance(struct btrfs_fs_info *fs_info, enum btrfs_exclusive_operation op); +int btrfs_check_ioctl_vol_args_path(const struct btrfs_ioctl_vol_args *vol_args); + /* Compatibility and incompatibility defines */ void __btrfs_set_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag, const char *name); @@ -960,20 +1018,6 @@ void __btrfs_clear_fs_compat_ro(struct btrfs_fs_info *fs_info, u64 flag, #define btrfs_test_opt(fs_info, opt) ((fs_info)->mount_opt & \ BTRFS_MOUNT_##opt) -#define btrfs_set_and_info(fs_info, opt, fmt, args...) \ -do { \ - if (!btrfs_test_opt(fs_info, opt)) \ - btrfs_info(fs_info, fmt, ##args); \ - btrfs_set_opt(fs_info->mount_opt, opt); \ -} while (0) - -#define btrfs_clear_and_info(fs_info, opt, fmt, args...) \ -do { \ - if (btrfs_test_opt(fs_info, opt)) \ - btrfs_info(fs_info, fmt, ##args); \ - btrfs_clear_opt(fs_info->mount_opt, opt); \ -} while (0) - static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info) { /* Do it this way so we only ever do one test_bit in the normal case. */ |