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Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r--fs/btrfs/ctree.h68
1 files changed, 30 insertions, 38 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 53af9f5253f4..68ca41dbbef3 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -41,12 +41,6 @@ extern struct kmem_cache *btrfs_path_cachep;
extern struct kmem_cache *btrfs_free_space_cachep;
struct btrfs_ordered_sum;
-#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
-#define STATIC noinline
-#else
-#define STATIC static noinline
-#endif
-
#define BTRFS_MAGIC 0x4D5F53665248425FULL /* ascii _BHRfS_M, no null */
#define BTRFS_MAX_MIRRORS 3
@@ -367,11 +361,13 @@ struct btrfs_dev_replace {
struct mutex lock_finishing_cancel_unmount;
rwlock_t lock;
- atomic_t read_locks;
atomic_t blocking_readers;
wait_queue_head_t read_lock_wq;
struct btrfs_scrub_progress scrub_progress;
+
+ struct percpu_counter bio_counter;
+ wait_queue_head_t replace_wait;
};
/* For raid type sysfs entries */
@@ -1094,9 +1090,6 @@ struct btrfs_fs_info {
/* device replace state */
struct btrfs_dev_replace dev_replace;
- struct percpu_counter bio_counter;
- wait_queue_head_t replace_wait;
-
struct semaphore uuid_tree_rescan_sem;
/* Used to reclaim the metadata space in the background. */
@@ -1202,18 +1195,12 @@ struct btrfs_root {
int last_log_commit;
pid_t log_start_pid;
- u64 objectid;
u64 last_trans;
u32 type;
u64 highest_objectid;
-#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
- /* only used with CONFIG_BTRFS_FS_RUN_SANITY_TESTS is enabled */
- u64 alloc_bytenr;
-#endif
-
u64 defrag_trans_start;
struct btrfs_key defrag_progress;
struct btrfs_key defrag_max;
@@ -1280,11 +1267,16 @@ struct btrfs_root {
int send_in_progress;
struct btrfs_subvolume_writers *subv_writers;
atomic_t will_be_snapshotted;
+ atomic_t snapshot_force_cow;
/* For qgroup metadata reserved space */
spinlock_t qgroup_meta_rsv_lock;
u64 qgroup_meta_rsv_pertrans;
u64 qgroup_meta_rsv_prealloc;
+
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+ u64 alloc_bytenr;
+#endif
};
struct btrfs_file_private {
@@ -2606,10 +2598,8 @@ static inline u64 btrfs_calc_trunc_metadata_size(struct btrfs_fs_info *fs_info,
return (u64)fs_info->nodesize * BTRFS_MAX_LEVEL * num_items;
}
-int btrfs_should_throttle_delayed_refs(struct btrfs_trans_handle *trans,
- struct btrfs_fs_info *fs_info);
-int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans,
- struct btrfs_fs_info *fs_info);
+int btrfs_should_throttle_delayed_refs(struct btrfs_trans_handle *trans);
+int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans);
void btrfs_dec_block_group_reservations(struct btrfs_fs_info *fs_info,
const u64 start);
void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg);
@@ -2770,7 +2760,7 @@ int btrfs_block_rsv_refill(struct btrfs_root *root,
enum btrfs_reserve_flush_enum flush);
int btrfs_block_rsv_migrate(struct btrfs_block_rsv *src_rsv,
struct btrfs_block_rsv *dst_rsv, u64 num_bytes,
- int update_size);
+ bool update_size);
int btrfs_cond_migrate_bytes(struct btrfs_fs_info *fs_info,
struct btrfs_block_rsv *dest, u64 num_bytes,
int min_factor);
@@ -2876,8 +2866,6 @@ void btrfs_release_path(struct btrfs_path *p);
struct btrfs_path *btrfs_alloc_path(void);
void btrfs_free_path(struct btrfs_path *p);
void btrfs_set_path_blocking(struct btrfs_path *p);
-void btrfs_clear_path_blocking(struct btrfs_path *p,
- struct extent_buffer *held, int held_rw);
void btrfs_unlock_up_safe(struct btrfs_path *p, int level);
int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
@@ -3020,8 +3008,7 @@ int btrfs_uuid_tree_iterate(struct btrfs_fs_info *fs_info,
/* dir-item.c */
int btrfs_check_dir_item_collision(struct btrfs_root *root, u64 dir,
const char *name, int name_len);
-int btrfs_insert_dir_item(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, const char *name,
+int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, const char *name,
int name_len, struct btrfs_inode *dir,
struct btrfs_key *location, u8 type, u64 index);
struct btrfs_dir_item *btrfs_lookup_dir_item(struct btrfs_trans_handle *trans,
@@ -3179,8 +3166,8 @@ void __cold btrfs_destroy_cachep(void);
struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
struct btrfs_root *root, int *was_new);
struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
- struct page *page, size_t pg_offset,
- u64 start, u64 end, int create);
+ struct page *page, size_t pg_offset,
+ u64 start, u64 end, int create);
int btrfs_update_inode(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct inode *inode);
@@ -3200,9 +3187,6 @@ int btrfs_prealloc_file_range_trans(struct inode *inode,
u64 start, u64 num_bytes, u64 min_size,
loff_t actual_len, u64 *alloc_hint);
extern const struct dentry_operations btrfs_dentry_operations;
-#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
-void btrfs_test_inode_set_ops(struct inode *inode);
-#endif
/* ioctl.c */
long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
@@ -3390,9 +3374,9 @@ do { \
#define btrfs_debug(fs_info, fmt, args...) \
btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args)
#define btrfs_debug_in_rcu(fs_info, fmt, args...) \
- btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args)
+ btrfs_no_printk_in_rcu(fs_info, KERN_DEBUG fmt, ##args)
#define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) \
- btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args)
+ btrfs_no_printk_in_rcu(fs_info, KERN_DEBUG fmt, ##args)
#define btrfs_debug_rl(fs_info, fmt, args...) \
btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args)
#endif
@@ -3404,6 +3388,13 @@ do { \
rcu_read_unlock(); \
} while (0)
+#define btrfs_no_printk_in_rcu(fs_info, fmt, args...) \
+do { \
+ rcu_read_lock(); \
+ btrfs_no_printk(fs_info, fmt, ##args); \
+ rcu_read_unlock(); \
+} while (0)
+
#define btrfs_printk_ratelimited(fs_info, fmt, args...) \
do { \
static DEFINE_RATELIMIT_STATE(_rs, \
@@ -3708,18 +3699,19 @@ static inline int btrfs_defrag_cancelled(struct btrfs_fs_info *fs_info)
/* Sanity test specific functions */
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+void btrfs_test_inode_set_ops(struct inode *inode);
void btrfs_test_destroy_inode(struct inode *inode);
-#endif
static inline int btrfs_is_testing(struct btrfs_fs_info *fs_info)
{
-#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
- if (unlikely(test_bit(BTRFS_FS_STATE_DUMMY_FS_INFO,
- &fs_info->fs_state)))
- return 1;
-#endif
+ return test_bit(BTRFS_FS_STATE_DUMMY_FS_INFO, &fs_info->fs_state);
+}
+#else
+static inline int btrfs_is_testing(struct btrfs_fs_info *fs_info)
+{
return 0;
}
+#endif
static inline void cond_wake_up(struct wait_queue_head *wq)
{
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