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Diffstat (limited to 'fs/btrfs/fs.h')
-rw-r--r--fs/btrfs/fs.h59
1 files changed, 56 insertions, 3 deletions
diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h
index f8bb73d6ab68..93f5c57ea4e3 100644
--- a/fs/btrfs/fs.h
+++ b/fs/btrfs/fs.h
@@ -4,13 +4,50 @@
#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/blkdev.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
@@ -732,10 +769,13 @@ 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 */
@@ -829,6 +869,17 @@ 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);
@@ -922,6 +973,8 @@ 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);