btrfs-progs: kernel-shared: sync with 6.17-rc1

Partial sync.

Signed-off-by: David Sterba <dsterba@suse.com>

Author: kdave

kernel-shared/accessors.c

@@ -56,16 +56,14 @@ u##bits btrfs_get_##bits(const struct extent_buffer *eb,		\
 			 const void *ptr, unsigned long off)		\
 {									\
 	const unsigned long member_offset = (unsigned long)ptr + off;	\
-	const int size = sizeof(u##bits);				\
-	ASSERT(check_setget_bounds(eb, ptr, off, size));		\
+	ASSERT(check_setget_bounds(eb, ptr, off, sizeof(u##bits)));	\
 	return get_unaligned_le##bits(eb->data + member_offset);	\
 }									\
 void btrfs_set_##bits(struct extent_buffer *eb, void *ptr,		\
 		      unsigned long off, u##bits val)			\
 {									\
 	unsigned long member_offset = (unsigned long)ptr + off;		\
-	const int size = sizeof(u##bits);				\
-	ASSERT(check_setget_bounds(eb, ptr, off, size));		\
+	ASSERT(check_setget_bounds(eb, ptr, off, sizeof(u##bits)));	\
 	put_unaligned_le##bits(val, (void *)eb->data + member_offset);	\
 }
 

kernel-shared/accessors.h

@@ -633,9 +633,9 @@ static inline void btrfs_dir_item_key_to_cpu(const struct extent_buffer *eb,
 static inline void btrfs_disk_key_to_cpu(struct btrfs_key *cpu,
 					 const struct btrfs_disk_key *disk)
 {
-	cpu->objectid = le64_to_cpu(disk->objectid);
-	cpu->type = disk->type;
 	cpu->offset = le64_to_cpu(disk->offset);
+	cpu->type = disk->type;
+	cpu->objectid = le64_to_cpu(disk->objectid);
 }
 
 static inline void btrfs_cpu_key_to_disk(struct btrfs_disk_key *disk,

kernel-shared/compression.h

@@ -9,10 +9,12 @@
 #include "kerncompat.h"
 #include "kernel-lib/sizes.h"
 
-struct btrfs_inode;
-struct btrfs_ordered_extent;
 struct address_space;
+struct folio;
+struct page;
 struct inode;
+struct btrfs_inode;
+struct btrfs_ordered_extent;
 struct bio;
 /* Stub for kernel-user parity. */
 struct btrfs_bio { };
@@ -37,14 +39,12 @@ _static_assert((BTRFS_MAX_COMPRESSED % PAGE_SIZE) == 0);
 
 #define	BTRFS_ZLIB_DEFAULT_LEVEL		3
 
-struct page;
-
 struct compressed_bio {
-	/* Number of compressed pages in the array */
-	unsigned int nr_pages;
+	/* Number of compressed folios in the array. */
+	unsigned int nr_folios;
 
-	/* the pages with the compressed data on them */
-	struct page **compressed_pages;
+	/* The folios with the compressed data on them. */
+	struct folio **compressed_folios;
 
 	/* starting offset in the inode for our pages */
 	u64 start;
@@ -84,34 +84,34 @@ static inline unsigned int btrfs_compress_level(unsigned int type_level)
 int __init btrfs_init_compress(void);
 void __cold btrfs_exit_compress(void);
 
-int btrfs_compress_pages(unsigned int type_level, struct address_space *mapping,
-			 u64 start, struct page **pages,
-			 unsigned long *out_pages,
-			 unsigned long *total_in,
-			 unsigned long *total_out);
-int btrfs_decompress(int type, const u8 *data_in, struct page *dest_page,
+bool btrfs_compress_level_valid(unsigned int type, int level);
+int btrfs_compress_folios(unsigned int type, int level, struct address_space *mapping,
+			  u64 start, struct folio **folios, unsigned long *out_folios,
+			 unsigned long *total_in, unsigned long *total_out);
+int btrfs_decompress(int type, const u8 *data_in, struct folio *dest_folio,
 		     unsigned long start_byte, size_t srclen, size_t destlen);
 int btrfs_decompress_buf2page(const char *buf, u32 buf_len,
 			      struct compressed_bio *cb, u32 decompressed);
 
 void btrfs_submit_compressed_write(struct btrfs_ordered_extent *ordered,
-				  struct page **compressed_pages,
-				  unsigned int nr_pages,
-				  blk_opf_t write_flags,
-				  bool writeback);
+				   struct folio **compressed_folios,
+				   unsigned int nr_folios, blk_opf_t write_flags,
+				   bool writeback);
 void btrfs_submit_compressed_read(struct btrfs_bio *bbio);
 
-unsigned int btrfs_compress_str2level(unsigned int type, const char *str);
+int btrfs_compress_str2level(unsigned int type, const char *str);
 
-struct page *btrfs_alloc_compr_page(void);
-void btrfs_free_compr_page(struct page *page);
+struct folio *btrfs_alloc_compr_folio(void);
+void btrfs_free_compr_folio(struct folio *folio);
 
 enum btrfs_compression_type {
 	BTRFS_COMPRESS_NONE  = 0,
 	BTRFS_COMPRESS_ZLIB  = 1,
 	BTRFS_COMPRESS_LZO   = 2,
 	BTRFS_COMPRESS_ZSTD  = 3,
 	BTRFS_NR_COMPRESS_TYPES = 4,
+
+	BTRFS_DEFRAG_DONT_COMPRESS,
 };
 
 struct workspace_manager {
@@ -125,14 +125,15 @@ struct workspace_manager {
 	wait_queue_head_t ws_wait;
 };
 
-struct list_head *btrfs_get_workspace(int type, unsigned int level);
+struct list_head *btrfs_get_workspace(int type, int level);
 void btrfs_put_workspace(int type, struct list_head *ws);
 
 struct btrfs_compress_op {
 	struct workspace_manager *workspace_manager;
 	/* Maximum level supported by the compression algorithm */
-	unsigned int max_level;
-	unsigned int default_level;
+	int min_level;
+	int max_level;
+	int default_level;
 };
 
 /* The heuristic workspaces are managed via the 0th workspace manager */
@@ -146,41 +147,44 @@ extern const struct btrfs_compress_op btrfs_zstd_compress;
 const char* btrfs_compress_type2str(enum btrfs_compression_type type);
 bool btrfs_compress_is_valid_type(const char *str, size_t len);
 
-int btrfs_compress_heuristic(struct inode *inode, u64 start, u64 end);
+int btrfs_compress_heuristic(struct btrfs_inode *inode, u64 start, u64 end);
+
+int btrfs_compress_filemap_get_folio(struct address_space *mapping, u64 start,
+				     struct folio **in_folio_ret);
 
-int zlib_compress_pages(struct list_head *ws, struct address_space *mapping,
-		u64 start, struct page **pages, unsigned long *out_pages,
+int zlib_compress_folios(struct list_head *ws, struct address_space *mapping,
+			 u64 start, struct folio **folios, unsigned long *out_folios,
 		unsigned long *total_in, unsigned long *total_out);
 int zlib_decompress_bio(struct list_head *ws, struct compressed_bio *cb);
 int zlib_decompress(struct list_head *ws, const u8 *data_in,
-		struct page *dest_page, unsigned long dest_pgoff, size_t srclen,
+		struct folio *dest_folio, unsigned long dest_pgoff, size_t srclen,
 		size_t destlen);
 struct list_head *zlib_alloc_workspace(unsigned int level);
 void zlib_free_workspace(struct list_head *ws);
 struct list_head *zlib_get_workspace(unsigned int level);
 
-int lzo_compress_pages(struct list_head *ws, struct address_space *mapping,
-		u64 start, struct page **pages, unsigned long *out_pages,
+int lzo_compress_folios(struct list_head *ws, struct address_space *mapping,
+			u64 start, struct folio **folios, unsigned long *out_folios,
 		unsigned long *total_in, unsigned long *total_out);
 int lzo_decompress_bio(struct list_head *ws, struct compressed_bio *cb);
 int lzo_decompress(struct list_head *ws, const u8 *data_in,
-		struct page *dest_page, unsigned long dest_pgoff, size_t srclen,
+		struct folio *dest_folio, unsigned long dest_pgoff, size_t srclen,
 		size_t destlen);
-struct list_head *lzo_alloc_workspace(unsigned int level);
+struct list_head *lzo_alloc_workspace(void);
 void lzo_free_workspace(struct list_head *ws);
 
-int zstd_compress_pages(struct list_head *ws, struct address_space *mapping,
-		u64 start, struct page **pages, unsigned long *out_pages,
+int zstd_compress_folios(struct list_head *ws, struct address_space *mapping,
+			 u64 start, struct folio **folios, unsigned long *out_folios,
 		unsigned long *total_in, unsigned long *total_out);
 int zstd_decompress_bio(struct list_head *ws, struct compressed_bio *cb);
 int zstd_decompress(struct list_head *ws, const u8 *data_in,
-		struct page *dest_page, unsigned long start_byte, size_t srclen,
+		struct folio *dest_folio, unsigned long dest_pgoff, size_t srclen,
 		size_t destlen);
 void zstd_init_workspace_manager(void);
 void zstd_cleanup_workspace_manager(void);
-struct list_head *zstd_alloc_workspace(unsigned int level);
+struct list_head *zstd_alloc_workspace(int level);
 void zstd_free_workspace(struct list_head *ws);
-struct list_head *zstd_get_workspace(unsigned int level);
+struct list_head *zstd_get_workspace(int level);
 void zstd_put_workspace(struct list_head *ws);
 
 #endif

kernel-shared/disk-io.h

@@ -24,11 +24,11 @@
 #include "kernel-lib/sizes.h"
 #include "kernel-shared/ctree.h"
 
-struct btrfs_tree_parent_check;
 struct btrfs_fs_devices;
 struct btrfs_key;
 struct btrfs_super_block;
 struct btrfs_trans_handle;
+struct btrfs_tree_parent_check;
 struct extent_buffer;
 struct rb_node;
 

kernel-shared/extent-io-tree.h

@@ -35,6 +35,11 @@ enum {
 	 * that is left for the ordered extent completion.
 	 */
 	ENUM_BIT(EXTENT_DELALLOC_NEW),
+	/*
+	 * Mark that a range is being locked for finishing an ordered extent.
+	 * Used together with EXTENT_LOCKED.
+	 */
+	ENUM_BIT(EXTENT_FINISHING_ORDERED),
 	/*
 	 * When an ordered extent successfully completes for a region marked as
 	 * a new delalloc range, use this flag when clearing a new delalloc
@@ -48,6 +53,15 @@ enum {
 	 * want the extent states to go away.
 	 */
 	ENUM_BIT(EXTENT_CLEAR_ALL_BITS),
+
+	/*
+	 * This must be last.
+	 *
+	 * Bit not representing a state but a request for NOWAIT semantics,
+	 * e.g. when allocating memory, and must be masked out from the other
+	 * bits.
+	 */
+	ENUM_BIT(EXTENT_NOWAIT)
 };
 
 #define EXTENT_DO_ACCOUNTING    (EXTENT_CLEAR_META_RESV | \
@@ -56,6 +70,8 @@ enum {
 				 EXTENT_ADD_INODE_BYTES | \
 				 EXTENT_CLEAR_ALL_BITS)
 
+#define EXTENT_LOCK_BITS	(EXTENT_LOCKED | EXTENT_DIO_LOCKED)
+
 /*
  * Redefined bits above which are used only in the device allocation tree,
  * shouldn't be using EXTENT_LOCKED / EXTENT_BOUNDARY / EXTENT_CLEAR_META_RESV

kernel-shared/file-item.h

@@ -11,12 +11,12 @@
 #include "kernel-shared/accessors.h"
 #include "kernel-shared/compression.h"
 
+struct extent_map;
 struct bio;
 struct inode;
+struct btrfs_trans_handle;
 struct btrfs_ordered_sum;
 struct btrfs_inode;
-struct btrfs_trans_handle;
-struct extent_map;
 struct extent_buffer;
 struct list_head;
 
@@ -53,7 +53,7 @@ static inline u32 btrfs_file_extent_calc_inline_size(u32 datasize)
 
 int btrfs_del_csums(struct btrfs_trans_handle *trans,
 		    struct btrfs_root *root, u64 bytenr, u64 len);
-blk_status_t btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u8 *dst);
+int btrfs_lookup_bio_sums(struct btrfs_bio *bbio);
 int btrfs_insert_hole_extent(struct btrfs_trans_handle *trans,
 			     struct btrfs_root *root, u64 objectid, u64 pos,
 			     u64 num_bytes);
@@ -64,14 +64,19 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
 int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans,
 			   struct btrfs_root *root,
 			   struct btrfs_ordered_sum *sums);
-blk_status_t btrfs_csum_one_bio(struct btrfs_inode *inode, struct bio *bio,
-				u64 offset, bool one_ordered);
+int btrfs_csum_one_bio(struct btrfs_bio *bbio);
+int btrfs_alloc_dummy_sum(struct btrfs_bio *bbio);
 int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
 			     struct list_head *list, int search_commit,
 			     bool nowait);
+int btrfs_lookup_csums_list(struct btrfs_root *root, u64 start, u64 end,
+			    struct list_head *list, bool nowait);
+int btrfs_lookup_csums_bitmap(struct btrfs_root *root, struct btrfs_path *path,
+			      u64 start, u64 end, u8 *csum_buf,
+			      unsigned long *csum_bitmap);
 void btrfs_extent_item_to_extent_map(struct btrfs_inode *inode,
 				     const struct btrfs_path *path,
-				     struct btrfs_file_extent_item *fi,
+				     const struct btrfs_file_extent_item *fi,
 				     struct extent_map *em);
 int btrfs_inode_clear_file_extent_range(struct btrfs_inode *inode, u64 start,
 					u64 len);

kernel-shared/locking.h

@@ -211,7 +211,7 @@ static inline void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw)
 
 struct btrfs_drew_lock {
 	atomic_t readers;
-	struct percpu_counter writers;
+	atomic_t writers;
 	wait_queue_head_t pending_writers;
 	wait_queue_head_t pending_readers;
 };

kernel-shared/messages.c

@@ -8,7 +8,7 @@
 
 #ifdef CONFIG_PRINTK
 
-#define STATE_STRING_PREFACE	": state "
+#define STATE_STRING_PREFACE	" state "
 #define STATE_STRING_BUF_LEN	(sizeof(STATE_STRING_PREFACE) + BTRFS_FS_STATE_COUNT + 1)
 
 /*
@@ -21,7 +21,8 @@ static const char fs_state_chars[] = {
 	[BTRFS_FS_STATE_TRANS_ABORTED]		= 'A',
 	[BTRFS_FS_STATE_DEV_REPLACING]		= 'R',
 	[BTRFS_FS_STATE_DUMMY_FS_INFO]		= 0,
-	[BTRFS_FS_STATE_NO_CSUMS]		= 'C',
+	[BTRFS_FS_STATE_NO_DATA_CSUMS]		= 'C',
+	[BTRFS_FS_STATE_SKIP_META_CSUMS]	= 'S',
 	[BTRFS_FS_STATE_LOG_CLEANUP_ERROR]	= 'L',
 };
 
@@ -260,14 +261,6 @@ void __cold _btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt,
 }
 #endif
 
-#ifdef CONFIG_BTRFS_ASSERT
-void __cold btrfs_assertfail(const char *expr, const char *file, int line)
-{
-	pr_err("assertion failed: %s, in %s:%d\n", expr, file, line);
-	BUG();
-}
-#endif
-
 #if BITS_PER_LONG == 32 && defined(__KERNEL__)
 void __cold btrfs_warn_32bit_limit(struct btrfs_fs_info *fs_info)
 {
@@ -295,8 +288,8 @@ void __cold btrfs_err_32bit_limit(struct btrfs_fs_info *fs_info)
 #endif
 
 /*
- * __btrfs_panic decodes unexpected, fatal errors from the caller, issues an
- * alert, and either panics or BUGs, depending on mount options.
+ * Decode unexpected, fatal errors from the caller, issue an alert, and either
+ * panic or BUGs, depending on mount options.
  *
  * MODIFIED:
  *  - We don't have btrfs_test_opt() yet, kill that and s_id.