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-rw-r--r--fs/btrfs/ctree.h102
1 files changed, 63 insertions, 39 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0a68cf7032f5..129d26226e70 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -35,6 +35,7 @@
struct btrfs_trans_handle;
struct btrfs_transaction;
struct btrfs_pending_snapshot;
+struct btrfs_delayed_ref_root;
extern struct kmem_cache *btrfs_trans_handle_cachep;
extern struct kmem_cache *btrfs_bit_radix_cachep;
extern struct kmem_cache *btrfs_path_cachep;
@@ -786,6 +787,9 @@ enum {
* main phase. The fs_info::balance_ctl is initialized.
*/
BTRFS_FS_BALANCE_RUNNING,
+
+ /* Indicate that the cleaner thread is awake and doing something. */
+ BTRFS_FS_CLEANER_RUNNING,
};
struct btrfs_fs_info {
@@ -930,7 +934,8 @@ struct btrfs_fs_info {
spinlock_t delayed_iput_lock;
struct list_head delayed_iputs;
- struct mutex cleaner_delayed_iput_mutex;
+ atomic_t nr_delayed_iputs;
+ wait_queue_head_t delayed_iputs_wait;
/* this protects tree_mod_seq_list */
spinlock_t tree_mod_seq_lock;
@@ -1070,10 +1075,13 @@ struct btrfs_fs_info {
atomic_t scrubs_paused;
atomic_t scrub_cancel_req;
wait_queue_head_t scrub_pause_wait;
- int scrub_workers_refcnt;
+ /*
+ * The worker pointers are NULL iff the refcount is 0, ie. scrub is not
+ * running.
+ */
+ refcount_t scrub_workers_refcnt;
struct btrfs_workqueue *scrub_workers;
struct btrfs_workqueue *scrub_wr_completion_workers;
- struct btrfs_workqueue *scrub_nocow_workers;
struct btrfs_workqueue *scrub_parity_workers;
#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
@@ -1195,6 +1203,24 @@ enum {
BTRFS_ROOT_MULTI_LOG_TASKS,
BTRFS_ROOT_DIRTY,
BTRFS_ROOT_DELETING,
+
+ /*
+ * Reloc tree is orphan, only kept here for qgroup delayed subtree scan
+ *
+ * Set for the subvolume tree owning the reloc tree.
+ */
+ BTRFS_ROOT_DEAD_RELOC_TREE,
+};
+
+/*
+ * Record swapped tree blocks of a subvolume tree for delayed subtree trace
+ * code. For detail check comment in fs/btrfs/qgroup.c.
+ */
+struct btrfs_qgroup_swapped_blocks {
+ spinlock_t lock;
+ /* RM_EMPTY_ROOT() of above blocks[] */
+ bool swapped;
+ struct rb_root blocks[BTRFS_MAX_LEVEL];
};
/*
@@ -1308,6 +1334,14 @@ struct btrfs_root {
u64 nr_ordered_extents;
/*
+ * Not empty if this subvolume root has gone through tree block swap
+ * (relocation)
+ *
+ * Will be used by reloc_control::dirty_subvol_roots.
+ */
+ struct list_head reloc_dirty_list;
+
+ /*
* Number of currently running SEND ioctls to prevent
* manipulation with the read-only status via SUBVOL_SETFLAGS
*/
@@ -1324,6 +1358,9 @@ struct btrfs_root {
/* Number of active swapfiles */
atomic_t nr_swapfiles;
+ /* Record pairs of swapped blocks for qgroup */
+ struct btrfs_qgroup_swapped_blocks swapped_blocks;
+
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
u64 alloc_bytenr;
#endif
@@ -2661,6 +2698,9 @@ int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
unsigned long count);
int btrfs_async_run_delayed_refs(struct btrfs_fs_info *fs_info,
unsigned long count, u64 transid, int wait);
+void btrfs_cleanup_ref_head_accounting(struct btrfs_fs_info *fs_info,
+ struct btrfs_delayed_ref_root *delayed_refs,
+ struct btrfs_delayed_ref_head *head);
int btrfs_lookup_data_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len);
int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u64 bytenr,
@@ -2768,7 +2808,8 @@ enum btrfs_flush_state {
FLUSH_DELALLOC = 5,
FLUSH_DELALLOC_WAIT = 6,
ALLOC_CHUNK = 7,
- COMMIT_TRANS = 8,
+ ALLOC_CHUNK_FORCE = 8,
+ COMMIT_TRANS = 9,
};
int btrfs_alloc_data_chunk_ondemand(struct btrfs_inode *inode, u64 bytes);
@@ -3174,8 +3215,7 @@ void btrfs_extent_item_to_extent_map(struct btrfs_inode *inode,
/* inode.c */
struct extent_map *btrfs_get_extent_fiemap(struct btrfs_inode *inode,
- struct page *page, size_t pg_offset, u64 start,
- u64 len, int create);
+ u64 start, u64 len);
noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len,
u64 *orig_start, u64 *orig_block_len,
u64 *ram_bytes);
@@ -3247,6 +3287,7 @@ int btrfs_orphan_cleanup(struct btrfs_root *root);
int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size);
void btrfs_add_delayed_iput(struct inode *inode);
void btrfs_run_delayed_iputs(struct btrfs_fs_info *fs_info);
+int btrfs_wait_on_delayed_iputs(struct btrfs_fs_info *fs_info);
int btrfs_prealloc_file_range(struct inode *inode, int mode,
u64 start, u64 num_bytes, u64 min_size,
loff_t actual_len, u64 *alloc_hint);
@@ -3254,7 +3295,7 @@ int btrfs_prealloc_file_range_trans(struct inode *inode,
struct btrfs_trans_handle *trans, int mode,
u64 start, u64 num_bytes, u64 min_size,
loff_t actual_len, u64 *alloc_hint);
-int btrfs_run_delalloc_range(void *private_data, struct page *locked_page,
+int btrfs_run_delalloc_range(struct inode *inode, struct page *locked_page,
u64 start, u64 end, int *page_started, unsigned long *nr_written,
struct writeback_control *wbc);
int btrfs_writepage_cow_fixup(struct page *page, u64 start, u64 end);
@@ -3408,31 +3449,17 @@ void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...);
#if defined(CONFIG_DYNAMIC_DEBUG)
#define btrfs_debug(fs_info, fmt, args...) \
-do { \
- DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
- if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
- btrfs_printk(fs_info, KERN_DEBUG fmt, ##args); \
-} while (0)
-#define btrfs_debug_in_rcu(fs_info, fmt, args...) \
-do { \
- DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
- if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
- btrfs_printk_in_rcu(fs_info, KERN_DEBUG fmt, ##args); \
-} while (0)
+ _dynamic_func_call_no_desc(fmt, btrfs_printk, \
+ fs_info, KERN_DEBUG fmt, ##args)
+#define btrfs_debug_in_rcu(fs_info, fmt, args...) \
+ _dynamic_func_call_no_desc(fmt, btrfs_printk_in_rcu, \
+ fs_info, KERN_DEBUG fmt, ##args)
#define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) \
-do { \
- DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
- if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
- btrfs_printk_rl_in_rcu(fs_info, KERN_DEBUG fmt, \
- ##args);\
-} while (0)
-#define btrfs_debug_rl(fs_info, fmt, args...) \
-do { \
- DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
- if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \
- btrfs_printk_ratelimited(fs_info, KERN_DEBUG fmt, \
- ##args); \
-} while (0)
+ _dynamic_func_call_no_desc(fmt, btrfs_printk_rl_in_rcu, \
+ fs_info, KERN_DEBUG fmt, ##args)
+#define btrfs_debug_rl(fs_info, fmt, args...) \
+ _dynamic_func_call_no_desc(fmt, btrfs_printk_ratelimited, \
+ fs_info, KERN_DEBUG fmt, ##args)
#elif defined(DEBUG)
#define btrfs_debug(fs_info, fmt, args...) \
btrfs_printk(fs_info, KERN_DEBUG fmt, ##args)
@@ -3483,21 +3510,18 @@ do { \
rcu_read_unlock(); \
} while (0)
-#ifdef CONFIG_BTRFS_ASSERT
-
__cold
static inline void assfail(const char *expr, const char *file, int line)
{
- pr_err("assertion failed: %s, file: %s, line: %d\n",
- expr, file, line);
- BUG();
+ if (IS_ENABLED(CONFIG_BTRFS_ASSERT)) {
+ pr_err("assertion failed: %s, file: %s, line: %d\n",
+ expr, file, line);
+ BUG();
+ }
}
#define ASSERT(expr) \
(likely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__))
-#else
-#define ASSERT(expr) ((void)0)
-#endif
/*
* Use that for functions that are conditionally exported for sanity tests but
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 07:08:30 +0100