0
  +   ˆl–Ü4ý( ©³( 	Å€fàB¦-ÿÄ„uÆBÏ_†I|¥+ÃÇ ?÷     /* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM ext4

#if !defined(_TRACE_EXT4_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_EXT4_H

#include <linux/writeback.h>
#include <linux/tracepoint.h>

struct ext4_allocation_context;
struct ext4_allocation_request;
struct ext4_extent;
struct ext4_prealloc_space;
struct ext4_inode_info;
struct mpage_da_data;
struct ext4_map_blocks;
struct extent_status;
struct ext4_fsmap;
struct partial_cluster;

#define EXT4_I(inode) (container_of(inode, struct ext4_inode_info, vfs_inode))

#define show_mballoc_flags(flags) __print_flags(flags, "|",	\
	{ EXT4_MB_HINT_MERGE,		"HINT_MERGE" },		\
	{ EXT4_MB_HINT_RESERVED,	"HINT_RESV" },		\
	{ EXT4_MB_HINT_METADATA,	"HINT_MDATA" },		\
	{ EXT4_MB_HINT_FIRST,		"HINT_FIRST" },		\
	{ EXT4_MB_HINT_BEST,		"HINT_BEST" },		\
	{ EXT4_MB_HINT_DATA,		"HINT_DATA" },		\
	{ EXT4_MB_HINT_NOPREALLOC,	"HINT_NOPREALLOC" },	\
	{ EXT4_MB_HINT_GROUP_ALLOC,	"HINT_GRP_ALLOC" },	\
	{ EXT4_MB_HINT_GOAL_ONLY,	"HINT_GOAL_ONLY" },	\
	{ EXT4_MB_HINT_TRY_GOAL,	"HINT_TRY_GOAL" },	\
	{ EXT4_MB_DELALLOC_RESERVED,	"DELALLOC_RESV" },	\
	{ EXT4_MB_STREAM_ALLOC,		"STREAM_ALLOC" },	\
	{ EXT4_MB_USE_ROOT_BLOCKS,	"USE_ROOT_BLKS" },	\
	{ EXT4_MB_USE_RESERVED,		"USE_RESV" },		\
	{ EXT4_MB_STRICT_CHECK,		"STRICT_CHECK" })

#define show_map_flags(flags) __print_flags(flags, "|",			\
	{ EXT4_GET_BLOCKS_CREATE,		"CREATE" },		\
	{ EXT4_GET_BLOCKS_UNWRIT_EXT,		"UNWRIT" },		\
	{ EXT4_GET_BLOCKS_DELALLOC_RESERVE,	"DELALLOC" },		\
	{ EXT4_GET_BLOCKS_PRE_IO,		"PRE_IO" },		\
	{ EXT4_GET_BLOCKS_CONVERT,		"CONVERT" },		\
	{ EXT4_GET_BLOCKS_METADATA_NOFAIL,	"METADATA_NOFAIL" },	\
	{ EXT4_GET_BLOCKS_NO_NORMALIZE,		"NO_NORMALIZE" },	\
	{ EXT4_GET_BLOCKS_CONVERT_UNWRITTEN,	"CONVERT_UNWRITTEN" },  \
	{ EXT4_GET_BLOCKS_ZERO,			"ZERO" },		\
	{ EXT4_GET_BLOCKS_IO_SUBMIT,		"IO_SUBMIT" },		\
	{ EXT4_EX_NOCACHE,			"EX_NOCACHE" })

/*
 * __print_flags() requires that all enum values be wrapped in the
 * TRACE_DEFINE_ENUM macro so that the enum value can be encoded in the ftrace
 * ring buffer.
 */
TRACE_DEFINE_ENUM(BH_New);
TRACE_DEFINE_ENUM(BH_Mapped);
TRACE_DEFINE_ENUM(BH_Unwritten);
TRACE_DEFINE_ENUM(BH_Boundary);

#define show_mflags(flags) __print_flags(flags, "",	\
	{ EXT4_MAP_NEW,		"N" },			\
	{ EXT4_MAP_MAPPED,	"M" },			\
	{ EXT4_MAP_UNWRITTEN,	"U" },			\
	{ EXT4_MAP_BOUNDARY,	"B" })

#define show_free_flags(flags) __print_flags(flags, "|",	\
	{ EXT4_FREE_BLOCKS_METADATA,		"METADATA" },	\
	{ EXT4_FREE_BLOCKS_FORGET,		"FORGET" },	\
	{ EXT4_FREE_BLOCKS_VALIDATED,		"VALIDATED" },	\
	{ EXT4_FREE_BLOCKS_NO_QUOT_UPDATE,	"NO_QUOTA" },	\
	{ EXT4_FREE_BLOCKS_NOFREE_FIRST_CLUSTER,"1ST_CLUSTER" },\
	{ EXT4_FREE_BLOCKS_NOFREE_LAST_CLUSTER,	"LAST_CLUSTER" })

TRACE_DEFINE_ENUM(ES_WRITTEN_B);
TRACE_DEFINE_ENUM(ES_UNWRITTEN_B);
TRACE_DEFINE_ENUM(ES_DELAYED_B);
TRACE_DEFINE_ENUM(ES_HOLE_B);
TRACE_DEFINE_ENUM(ES_REFERENCED_B);

#define show_extent_status(status) __print_flags(status, "",	\
	{ EXTENT_STATUS_WRITTEN,	"W" },			\
	{ EXTENT_STATUS_UNWRITTEN,	"U" },			\
	{ EXTENT_STATUS_DELAYED,	"D" },			\
	{ EXTENT_STATUS_HOLE,		"H" },			\
	{ EXTENT_STATUS_REFERENCED,	"R" })

#define show_falloc_mode(mode) __print_flags(mode, "|",		\
	{ FALLOC_FL_KEEP_SIZE,		"KEEP_SIZE"},		\
	{ FALLOC_FL_PUNCH_HOLE,		"PUNCH_HOLE"},		\
	{ FALLOC_FL_NO_HIDE_STALE,	"NO_HIDE_STALE"},	\
	{ FALLOC_FL_COLLAPSE_RANGE,	"COLLAPSE_RANGE"},	\
	{ FALLOC_FL_ZERO_RANGE,		"ZERO_RANGE"})

TRACE_DEFINE_ENUM(EXT4_FC_REASON_XATTR);
TRACE_DEFINE_ENUM(EXT4_FC_REASON_CROSS_RENAME);
TRACE_DEFINE_ENUM(EXT4_FC_REASON_JOURNAL_FLAG_CHANGE);
TRACE_DEFINE_ENUM(EXT4_FC_REASON_NOMEM);
TRACE_DEFINE_ENUM(EXT4_FC_REASON_SWAP_BOOT);
TRACE_DEFINE_ENUM(EXT4_FC_REASON_RESIZE);
TRACE_DEFINE_ENUM(EXT4_FC_REASON_RENAME_DIR);
TRACE_DEFINE_ENUM(EXT4_FC_REASON_FALLOC_RANGE);
TRACE_DEFINE_ENUM(EXT4_FC_REASON_INODE_JOURNAL_DATA);
TRACE_DEFINE_ENUM(EXT4_FC_REASON_ENCRYPTED_FILENAME);
TRACE_DEFINE_ENUM(EXT4_FC_REASON_MAX);

#define show_fc_reason(reason)						\
	__print_symbolic(reason,					\