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#undef TRACE_SYSTEM
#define TRACE_SYSTEM btrfs

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

#include <linux/writeback.h>
#include <linux/tracepoint.h>
#include <trace/events/gfpflags.h>

struct btrfs_root;
struct btrfs_fs_info;
struct btrfs_inode;
struct extent_map;
struct btrfs_ordered_extent;
struct btrfs_delayed_ref_node;
struct btrfs_delayed_tree_ref;
struct btrfs_delayed_data_ref;
struct btrfs_delayed_ref_head;
struct btrfs_block_group_cache;
struct btrfs_free_cluster;
struct map_lookup;
struct extent_buffer;
struct btrfs_work;
struct __btrfs_workqueue;
struct btrfs_qgroup_operation;

#define show_ref_type(type)                        \
    __print_symbolic(type,                        \
        { BTRFS_TREE_BLOCK_REF_KEY,     "TREE_BLOCK_REF" },    \
        { BTRFS_EXTENT_DATA_REF_KEY,     "EXTENT_DATA_REF" },    \
        { BTRFS_EXTENT_REF_V0_KEY,     "EXTENT_REF_V0" },    \
        { BTRFS_SHARED_BLOCK_REF_KEY,     "SHARED_BLOCK_REF" },    \
        { BTRFS_SHARED_DATA_REF_KEY,     "SHARED_DATA_REF" })

#define __show_root_type(obj)                        \
    __print_symbolic_u64(obj,                    \
        { BTRFS_ROOT_TREE_OBJECTID,     "ROOT_TREE"    },    \
        { BTRFS_EXTENT_TREE_OBJECTID,     "EXTENT_TREE"    },    \
        { BTRFS_CHUNK_TREE_OBJECTID,     "CHUNK_TREE"    },    \
        { BTRFS_DEV_TREE_OBJECTID,     "DEV_TREE"    },    \
        { BTRFS_FS_TREE_OBJECTID,     "FS_TREE"    },    \
        { BTRFS_ROOT_TREE_DIR_OBJECTID, "ROOT_TREE_DIR"    },    \
        { BTRFS_CSUM_TREE_OBJECTID,     "CSUM_TREE"    },    \
        { BTRFS_TREE_LOG_OBJECTID,    "TREE_LOG"    },    \
        { BTRFS_QUOTA_TREE_OBJECTID,    "QUOTA_TREE"    },    \
        { BTRFS_TREE_RELOC_OBJECTID,    "TREE_RELOC"    },    \
        { BTRFS_UUID_TREE_OBJECTID,    "UUID_RELOC"    },    \
        { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" })

#define show_root_type(obj)                        \
    obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||        \
          (obj >= BTRFS_ROOT_TREE_OBJECTID &&            \
           obj <= BTRFS_QUOTA_TREE_OBJECTID)) ? __show_root_type(obj) : "-"

#define BTRFS_GROUP_FLAGS    \
    { BTRFS_BLOCK_GROUP_DATA,    "DATA"},    \
    { BTRFS_BLOCK_GROUP_SYSTEM,    "SYSTEM"},    \
    { BTRFS_BLOCK_GROUP_METADATA,    "METADATA"},    \
    { BTRFS_BLOCK_GROUP_RAID0,    "RAID0"},     \
    { BTRFS_BLOCK_GROUP_RAID1,    "RAID1"},     \
    { BTRFS_BLOCK_GROUP_DUP,    "DUP"},     \
    { BTRFS_BLOCK_GROUP_RAID10,    "RAID10"},     \
    { BTRFS_BLOCK_GROUP_RAID5,    "RAID5"},    \
    { BTRFS_BLOCK_GROUP_RAID6,    "RAID6"}

#define BTRFS_UUID_SIZE 16

TRACE_EVENT(btrfs_transaction_commit,

    TP_PROTO(struct btrfs_root *root),

    TP_ARGS(root),

    TP_STRUCT__entry(
        __field(    u64,  generation        )
        __field(    u64,  root_objectid        )
    ),

    TP_fast_assign(
        __entry->generation    = root->fs_info->generation;
        __entry->root_objectid    = root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), gen = %llu",
          show_root_type(__entry->root_objectid),
          (unsigned long long)__entry->generation)
);

DECLARE_EVENT_CLASS(btrfs__inode,

    TP_PROTO(struct inode *inode),

    TP_ARGS(inode),

    TP_STRUCT__entry(
        __field(    ino_t,  ino            )
        __field(    blkcnt_t,  blocks        )
        __field(    u64,  disk_i_size        )
        __field(    u64,  generation        )
        __field(    u64,  last_trans        )
        __field(    u64,  logged_trans        )
        __field(    u64,  root_objectid        )
    ),

    TP_fast_assign(
        __entry->ino    = inode->i_ino;
        __entry->blocks    = inode->i_blocks;
        __entry->disk_i_size  = BTRFS_I(inode)->disk_i_size;
        __entry->generation = BTRFS_I(inode)->generation;
        __entry->last_trans = BTRFS_I(inode)->last_trans;
        __entry->logged_trans = BTRFS_I(inode)->logged_trans;
        __entry->root_objectid =
                BTRFS_I(inode)->root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), gen = %llu, ino = %lu, blocks = %llu, "
          "disk_i_size = %llu, last_trans = %llu, logged_trans = %llu",
          show_root_type(__entry->root_objectid),
          (unsigned long long)__entry->generation,
          (unsigned long)__entry->ino,
          (unsigned long long)__entry->blocks,
          (unsigned long long)__entry->disk_i_size,
          (unsigned long long)__entry->last_trans,
          (unsigned long long)__entry->logged_trans)
);

DEFINE_EVENT(btrfs__inode, btrfs_inode_new,

    TP_PROTO(struct inode *inode),

    TP_ARGS(inode)
);

DEFINE_EVENT(btrfs__inode, btrfs_inode_request,

    TP_PROTO(struct inode *inode),

    TP_ARGS(inode)
);

DEFINE_EVENT(btrfs__inode, btrfs_inode_evict,

    TP_PROTO(struct inode *inode),

    TP_ARGS(inode)
);

#define __show_map_type(type)                        \
    __print_symbolic_u64(type,                    \
        { EXTENT_MAP_LAST_BYTE, "LAST_BYTE"     },        \
        { EXTENT_MAP_HOLE,     "HOLE"         },        \
        { EXTENT_MAP_INLINE,     "INLINE"     },        \
        { EXTENT_MAP_DELALLOC,    "DELALLOC"     })

#define show_map_type(type)            \
    type, (type >= EXTENT_MAP_LAST_BYTE) ? "-" :  __show_map_type(type)

#define show_map_flags(flag)                        \
    __print_flags(flag, "|",                    \
        { (1 << EXTENT_FLAG_PINNED),         "PINNED"     },\
        { (1 << EXTENT_FLAG_COMPRESSED),     "COMPRESSED"     },\
        { (1 << EXTENT_FLAG_VACANCY),         "VACANCY"     },\
        { (1 << EXTENT_FLAG_PREALLOC),         "PREALLOC"     },\
        { (1 << EXTENT_FLAG_LOGGING),         "LOGGING"     },\
        { (1 << EXTENT_FLAG_FILLING),         "FILLING"     },\
        { (1 << EXTENT_FLAG_FS_MAPPING),    "FS_MAPPING"    })

TRACE_EVENT_CONDITION(btrfs_get_extent,

    TP_PROTO(struct btrfs_root *root, struct extent_map *map),

    TP_ARGS(root, map),

    TP_CONDITION(map),

    TP_STRUCT__entry(
        __field(    u64,  root_objectid    )
        __field(    u64,  start        )
        __field(    u64,  len        )
        __field(    u64,  orig_start    )
        __field(    u64,  block_start    )
        __field(    u64,  block_len        )
        __field(    unsigned long,  flags    )
        __field(    int,  refs        )
        __field(    unsigned int,  compress_type    )
    ),

    TP_fast_assign(
        __entry->root_objectid    = root->root_key.objectid;
        __entry->start         = map->start;
        __entry->len        = map->len;
        __entry->orig_start    = map->orig_start;
        __entry->block_start    = map->block_start;
        __entry->block_len    = map->block_len;
        __entry->flags        = map->flags;
        __entry->refs        = atomic_read(&map->refs);
        __entry->compress_type    = map->compress_type;
    ),

    TP_printk("root = %llu(%s), start = %llu, len = %llu, "
          "orig_start = %llu, block_start = %llu(%s), "
          "block_len = %llu, flags = %s, refs = %u, "
          "compress_type = %u",
          show_root_type(__entry->root_objectid),
          (unsigned long long)__entry->start,
          (unsigned long long)__entry->len,
          (unsigned long long)__entry->orig_start,
          show_map_type(__entry->block_start),
          (unsigned long long)__entry->block_len,
          show_map_flags(__entry->flags),
          __entry->refs, __entry->compress_type)
);

#define show_ordered_flags(flags)                       \
    __print_flags(flags, "|",                       \
        { (1 << BTRFS_ORDERED_IO_DONE),     "IO_DONE"     }, \
        { (1 << BTRFS_ORDERED_COMPLETE),     "COMPLETE"     }, \
        { (1 << BTRFS_ORDERED_NOCOW),         "NOCOW"     }, \
        { (1 << BTRFS_ORDERED_COMPRESSED),     "COMPRESSED"     }, \
        { (1 << BTRFS_ORDERED_PREALLOC),     "PREALLOC"     }, \
        { (1 << BTRFS_ORDERED_DIRECT),         "DIRECT"     }, \
        { (1 << BTRFS_ORDERED_IOERR),         "IOERR"     }, \
        { (1 << BTRFS_ORDERED_UPDATED_ISIZE),     "UPDATED_ISIZE"    }, \
        { (1 << BTRFS_ORDERED_LOGGED_CSUM),     "LOGGED_CSUM"    }, \
        { (1 << BTRFS_ORDERED_TRUNCATED),     "TRUNCATED"    })


DECLARE_EVENT_CLASS(btrfs__ordered_extent,

    TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered),

    TP_STRUCT__entry(
        __field(    ino_t,  ino        )
        __field(    u64,  file_offset    )
        __field(    u64,  start        )
        __field(    u64,  len        )
        __field(    u64,  disk_len        )
        __field(    u64,  bytes_left    )
        __field(    unsigned long,  flags    )
        __field(    int,  compress_type    )
        __field(    int,  refs        )
        __field(    u64,  root_objectid    )
    ),

    TP_fast_assign(
        __entry->ino         = inode->i_ino;
        __entry->file_offset    = ordered->file_offset;
        __entry->start        = ordered->start;
        __entry->len        = ordered->len;
        __entry->disk_len    = ordered->disk_len;
        __entry->bytes_left    = ordered->bytes_left;
        __entry->flags        = ordered->flags;
        __entry->compress_type    = ordered->compress_type;
        __entry->refs        = atomic_read(&ordered->refs);
        __entry->root_objectid    =
                BTRFS_I(inode)->root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), ino = %llu, file_offset = %llu, "
          "start = %llu, len = %llu, disk_len = %llu, "
          "bytes_left = %llu, flags = %s, compress_type = %d, "
          "refs = %d",
          show_root_type(__entry->root_objectid),
          (unsigned long long)__entry->ino,
          (unsigned long long)__entry->file_offset,
          (unsigned long long)__entry->start,
          (unsigned long long)__entry->len,
          (unsigned long long)__entry->disk_len,
          (unsigned long long)__entry->bytes_left,
          show_ordered_flags(__entry->flags),
          __entry->compress_type, __entry->refs)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_add,

    TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_remove,

    TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_start,

    TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered)
);

DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_put,

    TP_PROTO(struct inode *inode, struct btrfs_ordered_extent *ordered),

    TP_ARGS(inode, ordered)
);

DECLARE_EVENT_CLASS(btrfs__writepage,

    TP_PROTO(struct page *page, struct inode *inode,
         struct writeback_control *wbc),

    TP_ARGS(page, inode, wbc),

    TP_STRUCT__entry(
        __field(    ino_t,  ino            )
        __field(    pgoff_t,  index            )
        __field(    long,   nr_to_write        )
        __field(    long,   pages_skipped        )
        __field(    loff_t, range_start        )
        __field(    loff_t, range_end        )
        __field(    char,   for_kupdate        )
        __field(    char,   for_reclaim        )
        __field(    char,   range_cyclic        )
        __field(    pgoff_t,  writeback_index    )
        __field(    u64,    root_objectid        )
    ),

    TP_fast_assign(
        __entry->ino        = inode->i_ino;
        __entry->index        = page->index;
        __entry->nr_to_write    = wbc->nr_to_write;
        __entry->pages_skipped    = wbc->pages_skipped;
        __entry->range_start    = wbc->range_start;
        __entry->range_end    = wbc->range_end;
        __entry->for_kupdate    = wbc->for_kupdate;
        __entry->for_reclaim    = wbc->for_reclaim;
        __entry->range_cyclic    = wbc->range_cyclic;
        __entry->writeback_index = inode->i_mapping->writeback_index;
        __entry->root_objectid    =
                 BTRFS_I(inode)->root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, "
          "nr_to_write = %ld, pages_skipped = %ld, range_start = %llu, "
          "range_end = %llu, for_kupdate = %d, "
          "for_reclaim = %d, range_cyclic = %d, writeback_index = %lu",
          show_root_type(__entry->root_objectid),
          (unsigned long)__entry->ino, __entry->index,
          __entry->nr_to_write, __entry->pages_skipped,
          __entry->range_start, __entry->range_end,
          __entry->for_kupdate,
          __entry->for_reclaim, __entry->range_cyclic,
          (unsigned long)__entry->writeback_index)
);

DEFINE_EVENT(btrfs__writepage, __extent_writepage,

    TP_PROTO(struct page *page, struct inode *inode,
         struct writeback_control *wbc),

    TP_ARGS(page, inode, wbc)
);

TRACE_EVENT(btrfs_writepage_end_io_hook,

    TP_PROTO(struct page *page, u64 start, u64 end, int uptodate),

    TP_ARGS(page, start, end, uptodate),

    TP_STRUCT__entry(
        __field(    ino_t,     ino        )
        __field(    pgoff_t, index        )
        __field(    u64,     start        )
        __field(    u64,     end        )
        __field(    int,     uptodate    )
        __field(    u64,    root_objectid    )
    ),

    TP_fast_assign(
        __entry->ino    = page->mapping->host->i_ino;
        __entry->index    = page->index;
        __entry->start    = start;
        __entry->end    = end;
        __entry->uptodate = uptodate;
        __entry->root_objectid    =
             BTRFS_I(page->mapping->host)->root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, start = %llu, "
          "end = %llu, uptodate = %d",
          show_root_type(__entry->root_objectid),
          (unsigned long)__entry->ino, (unsigned long)__entry->index,
          (unsigned long long)__entry->start,
          (unsigned long long)__entry->end, __entry->uptodate)
);

TRACE_EVENT(btrfs_sync_file,

    TP_PROTO(struct file *file, int datasync),

    TP_ARGS(file, datasync),

    TP_STRUCT__entry(
        __field(    ino_t,  ino        )
        __field(    ino_t,  parent        )
        __field(    int,    datasync    )
        __field(    u64,    root_objectid    )
    ),

    TP_fast_assign(
        struct dentry *dentry = file->f_path.dentry;
        struct inode *inode = d_inode(dentry);

        __entry->ino        = inode->i_ino;
        __entry->parent        = d_inode(dentry->d_parent)->i_ino;
        __entry->datasync    = datasync;
        __entry->root_objectid    =
                 BTRFS_I(inode)->root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), ino = %ld, parent = %ld, datasync = %d",
          show_root_type(__entry->root_objectid),
          (unsigned long)__entry->ino, (unsigned long)__entry->parent,
          __entry->datasync)
);

TRACE_EVENT(btrfs_sync_fs,

    TP_PROTO(int wait),

    TP_ARGS(wait),

    TP_STRUCT__entry(
        __field(    int,  wait        )
    ),

    TP_fast_assign(
        __entry->wait    = wait;
    ),

    TP_printk("wait = %d", __entry->wait)
);

#define show_ref_action(action)                        \
    __print_symbolic(action,                    \
        { BTRFS_ADD_DELAYED_REF,    "ADD_DELAYED_REF" },    \
        { BTRFS_DROP_DELAYED_REF,   "DROP_DELAYED_REF" },    \
        { BTRFS_ADD_DELAYED_EXTENT, "ADD_DELAYED_EXTENT" },     \
        { BTRFS_UPDATE_DELAYED_HEAD, "UPDATE_DELAYED_HEAD" })
            

DECLARE_EVENT_CLASS(btrfs_delayed_tree_ref,

    TP_PROTO(struct btrfs_delayed_ref_node *ref,
         struct btrfs_delayed_tree_ref *full_ref,
         int action),

    TP_ARGS(ref, full_ref, action),

    TP_STRUCT__entry(
        __field(    u64,  bytenr        )
        __field(    u64,  num_bytes        )
        __field(    int,  action        ) 
        __field(    u64,  parent        )
        __field(    u64,  ref_root        )
        __field(    int,  level        )
        __field(    int,  type        )
        __field(    u64,  seq        )
    ),

    TP_fast_assign(
        __entry->bytenr        = ref->bytenr;
        __entry->num_bytes    = ref->num_bytes;
        __entry->action        = action;
        __entry->parent        = full_ref->parent;
        __entry->ref_root    = full_ref->root;
        __entry->level        = full_ref->level;
        __entry->type        = ref->type;
        __entry->seq        = ref->seq;
    ),

    TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, "
          "parent = %llu(%s), ref_root = %llu(%s), level = %d, "
          "type = %s, seq = %llu",
          (unsigned long long)__entry->bytenr,
          (unsigned long long)__entry->num_bytes,
          show_ref_action(__entry->action),
          show_root_type(__entry->parent),
          show_root_type(__entry->ref_root),
          __entry->level, show_ref_type(__entry->type),
          (unsigned long long)__entry->seq)
);

DEFINE_EVENT(btrfs_delayed_tree_ref,  add_delayed_tree_ref,

    TP_PROTO(struct btrfs_delayed_ref_node *ref,
         struct btrfs_delayed_tree_ref *full_ref,
         int action),

    TP_ARGS(ref, full_ref, action)
);

DEFINE_EVENT(btrfs_delayed_tree_ref,  run_delayed_tree_ref,

    TP_PROTO(struct btrfs_delayed_ref_node *ref,
         struct btrfs_delayed_tree_ref *full_ref,
         int action),

    TP_ARGS(ref, full_ref, action)
);

DECLARE_EVENT_CLASS(btrfs_delayed_data_ref,

    TP_PROTO(struct btrfs_delayed_ref_node *ref,
         struct btrfs_delayed_data_ref *full_ref,
         int action),

    TP_ARGS(ref, full_ref, action),

    TP_STRUCT__entry(
        __field(    u64,  bytenr        )
        __field(    u64,  num_bytes        )
        __field(    int,  action        ) 
        __field(    u64,  parent        )
        __field(    u64,  ref_root        )
        __field(    u64,  owner        )
        __field(    u64,  offset        )
        __field(    int,  type        )
        __field(    u64,  seq        )
    ),

    TP_fast_assign(
        __entry->bytenr        = ref->bytenr;
        __entry->num_bytes    = ref->num_bytes;
        __entry->action        = action;
        __entry->parent        = full_ref->parent;
        __entry->ref_root    = full_ref->root;
        __entry->owner        = full_ref->objectid;
        __entry->offset        = full_ref->offset;
        __entry->type        = ref->type;
        __entry->seq        = ref->seq;
    ),

    TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, "
          "parent = %llu(%s), ref_root = %llu(%s), owner = %llu, "
          "offset = %llu, type = %s, seq = %llu",
          (unsigned long long)__entry->bytenr,
          (unsigned long long)__entry->num_bytes,
          show_ref_action(__entry->action),
          show_root_type(__entry->parent),
          show_root_type(__entry->ref_root),
          (unsigned long long)__entry->owner,
          (unsigned long long)__entry->offset,
          show_ref_type(__entry->type),
          (unsigned long long)__entry->seq)
);

DEFINE_EVENT(btrfs_delayed_data_ref,  add_delayed_data_ref,

    TP_PROTO(struct btrfs_delayed_ref_node *ref,
         struct btrfs_delayed_data_ref *full_ref,
         int action),

    TP_ARGS(ref, full_ref, action)
);

DEFINE_EVENT(btrfs_delayed_data_ref,  run_delayed_data_ref,

    TP_PROTO(struct btrfs_delayed_ref_node *ref,
         struct btrfs_delayed_data_ref *full_ref,
         int action),

    TP_ARGS(ref, full_ref, action)
);

DECLARE_EVENT_CLASS(btrfs_delayed_ref_head,

    TP_PROTO(struct btrfs_delayed_ref_node *ref,
         struct btrfs_delayed_ref_head *head_ref,
         int action),

    TP_ARGS(ref, head_ref, action),

    TP_STRUCT__entry(
        __field(    u64,  bytenr        )
        __field(    u64,  num_bytes        )
        __field(    int,  action        ) 
        __field(    int,  is_data        )
    ),

    TP_fast_assign(
        __entry->bytenr        = ref->bytenr;
        __entry->num_bytes    = ref->num_bytes;
        __entry->action        = action;
        __entry->is_data    = head_ref->is_data;
    ),

    TP_printk("bytenr = %llu, num_bytes = %llu, action = %s, is_data = %d",
          (unsigned long long)__entry->bytenr,
          (unsigned long long)__entry->num_bytes,
          show_ref_action(__entry->action),
          __entry->is_data)
);

DEFINE_EVENT(btrfs_delayed_ref_head,  add_delayed_ref_head,

    TP_PROTO(struct btrfs_delayed_ref_node *ref,
         struct btrfs_delayed_ref_head *head_ref,
         int action),

    TP_ARGS(ref, head_ref, action)
);

DEFINE_EVENT(btrfs_delayed_ref_head,  run_delayed_ref_head,

    TP_PROTO(struct btrfs_delayed_ref_node *ref,
         struct btrfs_delayed_ref_head *head_ref,
         int action),

    TP_ARGS(ref, head_ref, action)
);

#define show_chunk_type(type)                    \
    __print_flags(type, "|",                \
        { BTRFS_BLOCK_GROUP_DATA,     "DATA"    },    \
        { BTRFS_BLOCK_GROUP_SYSTEM,     "SYSTEM"},    \
        { BTRFS_BLOCK_GROUP_METADATA,     "METADATA"},    \
        { BTRFS_BLOCK_GROUP_RAID0,     "RAID0" },    \
        { BTRFS_BLOCK_GROUP_RAID1,     "RAID1" },    \
        { BTRFS_BLOCK_GROUP_DUP,     "DUP"    },    \
        { BTRFS_BLOCK_GROUP_RAID10,     "RAID10"},    \
        { BTRFS_BLOCK_GROUP_RAID5,     "RAID5"    },    \
        { BTRFS_BLOCK_GROUP_RAID6,     "RAID6"    })

DECLARE_EVENT_CLASS(btrfs__chunk,

    TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
         u64 offset, u64 size),

    TP_ARGS(root, map, offset, size),

    TP_STRUCT__entry(
        __field(    int,  num_stripes        )
        __field(    u64,  type            )
        __field(    int,  sub_stripes        )
        __field(    u64,  offset            )
        __field(    u64,  size            )
        __field(    u64,  root_objectid        )
    ),

    TP_fast_assign(
        __entry->num_stripes    = map->num_stripes;
        __entry->type        = map->type;
        __entry->sub_stripes    = map->sub_stripes;
        __entry->offset        = offset;
        __entry->size        = size;
        __entry->root_objectid    = root->root_key.objectid;
    ),

    TP_printk("root = %llu(%s), offset = %llu, size = %llu, "
          "num_stripes = %d, sub_stripes = %d, type = %s",
          show_root_type(__entry->root_objectid),
          (unsigned long long)__entry->offset,
          (unsigned long long)__entry->size,
          __entry->num_stripes, __entry->sub_stripes,
          show_chunk_type(__entry->type))
);

DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_alloc,

    TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
         u64 offset, u64 size),

    TP_ARGS(root, map, offset, size)
);

DEFINE_EVENT(btrfs__chunk,  btrfs_chunk_free,

    TP_PROTO(struct btrfs_root *root, struct map_lookup *map,
         u64 offset, u64 size),

    TP_ARGS(root, map, offset, size)
);

TRACE_EVENT(btrfs_cow_block,

    TP_PROTO(struct btrfs_root *root, struct extent_buffer *buf,
         struct extent_buffer *cow),

    TP_ARGS(root, buf, cow),

    TP_STRUCT__entry(
        __field(    u64,  root_objectid        )
        __field(    u64,  buf_start            )
        __field(    int,  refs            )
        __field(    u64,  cow_start            )
        __field(    int,  buf_level            )
        __field(    int,  cow_level            )
    ),

    TP_fast_assign(
        __entry->root_objectid    = root->root_key.objectid;
        __entry->buf_start    = buf->start;
        __entry->refs        = atomic_read(&buf->refs);
        __entry->cow_start    = cow->start;
        __entry->buf_level    = btrfs_header_level(buf);
        __entry->cow_level    = btrfs_header_level(cow);
    ),

    TP_printk("root = %llu(%s), refs = %d, orig_buf = %llu "
          "(orig_level = %d), cow_buf = %llu (cow_level = %d)",
          show_root_type(__entry->root_objectid),
          __entry->refs,
          (unsigned long long)__entry->buf_start,
          __entry->buf_level,
          (unsigned long long)__entry->cow_start,
          __entry->cow_level)
);

TRACE_EVENT(btrfs_space_reservation,

    TP_PROTO(struct btrfs_fs_info *fs_info, char *type, u64 val,
         u64 bytes, int reserve),

    TP_ARGS(fs_info, type, val, bytes, reserve),

    TP_STRUCT__entry(
        __array(    u8,    fsid,    BTRFS_UUID_SIZE    )
        __string(    type,    type            )
        __field(    u64,    val            )
        __field(    u64,    bytes            )
        __field(    int,    reserve            )
    ),

    TP_fast_assign(
        memcpy(__entry->fsid, fs_info->fsid, BTRFS_UUID_SIZE);
        __assign_str(type, type);
        __entry->val        = val;
        __entry->bytes        = bytes;
        __entry->reserve    = reserve;
    ),

    TP_printk("%pU: %s: %Lu %s %Lu", __entry->fsid, __get_str(type),
          __entry->val, __entry->reserve ? "reserve" : "release",
          __entry->bytes)
);

DECLARE_EVENT_CLASS(btrfs__reserved_extent,

    TP_PROTO(struct btrfs_root *root, u64 start, u64 len),

    TP_ARGS(root, start, len),

    TP_STRUCT__entry(
        __field(    u64,  root_objectid        )
        __field(    u64,  start            )
        __field(    u64,  len            )
    ),

    TP_fast_assign(
        __entry->root_objectid    = root->root_key.objectid;
        __entry->start        = start;
        __entry->len        = len;
    ),

    TP_printk("root = %llu(%s), start = %llu, len = %llu",
          show_root_type(__entry->root_objectid),
          (unsigned long long)__entry->start,
          (unsigned long long)__entry->len)
);

DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_alloc,

    TP_PROTO(struct btrfs_root *root, u64 start, u64 len),

    TP_ARGS(root, start, len)
);

DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_free,

    TP_PROTO(struct btrfs_root *root, u64 start, u64 len),

    TP_ARGS(root, start, len)
);

TRACE_EVENT(find_free_extent,

    TP_PROTO(struct btrfs_root *root, u64 num_bytes, u64 empty_size,
         u64 data),

    TP_ARGS(root, num_bytes, empty_size, data),

    TP_STRUCT__entry(
        __field(    u64,    root_objectid        )
        __field(    u64,    num_bytes        )
        __field(    u64,    empty_size        )
        __field(    u64,    data            )
    ),

    TP_fast_assign(
        __entry->root_objectid    = root->root_key.objectid;
        __entry->num_bytes    = num_bytes;
        __entry->empty_size    = empty_size;
        __entry->data        = data;
    ),

    TP_printk("root = %Lu(%s), len = %Lu, empty_size = %Lu, "
          "flags = %Lu(%s)", show_root_type(__entry->root_objectid),
          __entry->num_bytes, __entry->empty_size, __entry->data,
          __print_flags((unsigned long)__entry->data, "|",
                 BTRFS_GROUP_FLAGS))
);

DECLARE_EVENT_CLASS(btrfs__reserve_extent,

    TP_PROTO(struct btrfs_root *root,
         struct btrfs_block_group_cache *block_group, u64 start,
         u64 len),

    TP_ARGS(root, block_group, start, len),

    TP_STRUCT__entry(
        __field(    u64,    root_objectid        )
        __field(    u64,    bg_objectid        )
        __field(    u64,    flags            )
        __field(    u64,    start            )
        __field(    u64,    len            )
    ),

    TP_fast_assign(
        __entry->root_objectid    = root->root_key.objectid;
        __entry->bg_objectid    = block_group->key.objectid;
        __entry->flags        = block_group->flags;
        __entry->start        = start;
        __entry->len        = len;
    ),

    TP_printk("root = %Lu(%s), block_group = %Lu, flags = %Lu(%s), "
          "start = %Lu, len = %Lu",
          show_root_type(__entry->root_objectid), __entry->bg_objectid,
          __entry->flags, __print_flags((unsigned long)__entry->flags,
                        "|", BTRFS_GROUP_FLAGS),
          __entry->start, __entry->len)
);

DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent,

    TP_PROTO(struct btrfs_root *root,
         struct btrfs_block_group_cache *block_group, u64 start,
         u64 len),

    TP_ARGS(root, block_group, start, len)
);

DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent_cluster,

    TP_PROTO(struct btrfs_root *root,
         struct btrfs_block_group_cache *block_group, u64 start,
         u64 len),

    TP_ARGS(root, block_group, start, len)
);

TRACE_EVENT(btrfs_find_cluster,

    TP_PROTO(struct btrfs_block_group_cache *block_group, u64 start,
         u64 bytes, u64 empty_size, u64 min_bytes),

    TP_ARGS(block_group, start, bytes, empty_size, min_bytes),

    TP_STRUCT__entry(
        __field(    u64,    bg_objectid        )
        __field(    u64,    flags            )
        __field(    u64,    start            )
        __field(    u64,    bytes            )
        __field(    u64,    empty_size        )
        __field(    u64,    min_bytes        )
    ),

    TP_fast_assign(
        __entry->bg_objectid    = block_group->key.objectid;
        __entry->flags        = block_group->flags;
        __entry->start        = start;
        __entry->bytes        = bytes;
        __entry->empty_size    = empty_size;
        __entry->min_bytes    = min_bytes;
    ),

    TP_printk("block_group = %Lu, flags = %Lu(%s), start = %Lu, len = %Lu,"
          " empty_size = %Lu, min_bytes = %Lu", __entry->bg_objectid,
          __entry->flags,
          __print_flags((unsigned long)__entry->flags, "|",
                BTRFS_GROUP_FLAGS), __entry->start,
          __entry->bytes, __entry->empty_size,  __entry->min_bytes)
);

TRACE_EVENT(btrfs_failed_cluster_setup,

    TP_PROTO(struct btrfs_block_group_cache *block_group),

    TP_ARGS(block_group),

    TP_STRUCT__entry(
        __field(    u64,    bg_objectid        )
    ),

    TP_fast_assign(
        __entry->bg_objectid    = block_group->key.objectid;
    ),

    TP_printk("block_group = %Lu", __entry->bg_objectid)
);

TRACE_EVENT(btrfs_setup_cluster,

    TP_PROTO(struct btrfs_block_group_cache *block_group,
         struct btrfs_free_cluster *cluster, u64 size, int bitmap),

    TP_ARGS(block_group, cluster, size, bitmap),

    TP_STRUCT__entry(
        __field(    u64,    bg_objectid        )
        __field(    u64,    flags            )
        __field(    u64,    start            )
        __field(    u64,    max_size        )
        __field(    u64,    size            )
        __field(    int,    bitmap            )
    ),

    TP_fast_assign(
        __entry->bg_objectid    = block_group->key.objectid;
        __entry->flags        = block_group->flags;
        __entry->start        = cluster->window_start;
        __entry->max_size    = cluster->max_size;
        __entry->size        = size;
        __entry->bitmap        = bitmap;
    ),

    TP_printk("block_group = %Lu, flags = %Lu(%s), window_start = %Lu, "
          "size = %Lu, max_size = %Lu, bitmap = %d",
          __entry->bg_objectid,
          __entry->flags,
          __print_flags((unsigned long)__entry->flags, "|",
                BTRFS_GROUP_FLAGS), __entry->start,
          __entry->size, __entry->max_size, __entry->bitmap)
);

struct extent_state;
TRACE_EVENT(alloc_extent_state,

    TP_PROTO(struct extent_state *state, gfp_t mask, unsigned long IP),

    TP_ARGS(state, mask, IP),

    TP_STRUCT__entry(
        __field(struct extent_state *, state)
        __field(gfp_t, mask)
        __field(unsigned long, ip)
    ),

    TP_fast_assign(
        __entry->state    = state,
        __entry->mask    = mask,
        __entry->ip    = IP
    ),

    TP_printk("state=%p; mask = %s; caller = %pS", __entry->state,
          show_gfp_flags(__entry->mask), (void *)__entry->ip)
);

TRACE_EVENT(free_extent_state,

    TP_PROTO(struct extent_state *state, unsigned long IP),

    TP_ARGS(state, IP),

    TP_STRUCT__entry(
        __field(struct extent_state *, state)
        __field(unsigned long, ip)
    ),

    TP_fast_assign(
        __entry->state    = state,
        __entry->ip = IP
    ),

    TP_printk(" state=%p; caller = %pS", __entry->state,
          (void *)__entry->ip)
);

DECLARE_EVENT_CLASS(btrfs__work,

    TP_PROTO(struct btrfs_work *work),

    TP_ARGS(work),

    TP_STRUCT__entry(
        __field(    void *,    work            )
        __field(    void *, wq            )
        __field(    void *,    func            )
        __field(    void *,    ordered_func        )
        __field(    void *,    ordered_free        )
        __field(    void *,    normal_work        )
    ),

    TP_fast_assign(
        __entry->work        = work;
        __entry->wq        = work->wq;
        __entry->func        = work->func;
        __entry->ordered_func    = work->ordered_func;
        __entry->ordered_free    = work->ordered_free;
        __entry->normal_work    = &work->normal_work;
    ),

    TP_printk("work=%p (normal_work=%p), wq=%p, func=%pf, ordered_func=%p,"
          " ordered_free=%p",
          __entry->work, __entry->normal_work, __entry->wq,
           __entry->func, __entry->ordered_func, __entry->ordered_free)
);

/* For situiations that the work is freed */
DECLARE_EVENT_CLASS(btrfs__work__done,

    TP_PROTO(struct btrfs_work *work),

    TP_ARGS(work),

    TP_STRUCT__entry(
        __field(    void *,    work            )
    ),

    TP_fast_assign(
        __entry->work        = work;
    ),

    TP_printk("work->%p", __entry->work)
);

DEFINE_EVENT(btrfs__work, btrfs_work_queued,

    TP_PROTO(struct btrfs_work *work),

    TP_ARGS(work)
);

DEFINE_EVENT(btrfs__work, btrfs_work_sched,

    TP_PROTO(struct btrfs_work *work),

    TP_ARGS(work)
);

DEFINE_EVENT(btrfs__work__done, btrfs_all_work_done,

    TP_PROTO(struct btrfs_work *work),

    TP_ARGS(work)
);

DEFINE_EVENT(btrfs__work, btrfs_ordered_sched,

    TP_PROTO(struct btrfs_work *work),

    TP_ARGS(work)
);

DECLARE_EVENT_CLASS(btrfs__workqueue,

    TP_PROTO(struct __btrfs_workqueue *wq, const char *name, int high),

    TP_ARGS(wq, name, high),

    TP_STRUCT__entry(
        __field(    void *,    wq            )
        __string(    name,    name            )
        __field(    int ,    high            )
    ),

    TP_fast_assign(
        __entry->wq        = wq;
        __assign_str(name, name);
        __entry->high        = high;
    ),

    TP_printk("name=%s%s, wq=%p", __get_str(name),
          __print_flags(__entry->high, "",
                {(WQ_HIGHPRI),    "-high"}),
          __entry->wq)
);

DEFINE_EVENT(btrfs__workqueue, btrfs_workqueue_alloc,

    TP_PROTO(struct __btrfs_workqueue *wq, const char *name, int high),

    TP_ARGS(wq, name, high)
);

DECLARE_EVENT_CLASS(btrfs__workqueue_done,

    TP_PROTO(struct __btrfs_workqueue *wq),

    TP_ARGS(wq),

    TP_STRUCT__entry(
        __field(    void *,    wq            )
    ),

    TP_fast_assign(
        __entry->wq        = wq;
    ),

    TP_printk("wq=%p", __entry->wq)
);

DEFINE_EVENT(btrfs__workqueue_done, btrfs_workqueue_destroy,

    TP_PROTO(struct __btrfs_workqueue *wq),

    TP_ARGS(wq)
);

DECLARE_EVENT_CLASS(btrfs__qgroup_data_map,

    TP_PROTO(struct inode *inode, u64 free_reserved),

    TP_ARGS(inode, free_reserved),

    TP_STRUCT__entry(
        __field(    u64,        rootid        )
        __field(    unsigned long,    ino        )
        __field(    u64,        free_reserved    )
    ),

    TP_fast_assign(
        __entry->rootid        =    BTRFS_I(inode)->root->objectid;
        __entry->ino        =    inode->i_ino;
        __entry->free_reserved    =    free_reserved;
    ),

    TP_printk("rootid=%llu, ino=%lu, free_reserved=%llu",
          __entry->rootid, __entry->ino, __entry->free_reserved)
);

DEFINE_EVENT(btrfs__qgroup_data_map, btrfs_qgroup_init_data_rsv_map,

    TP_PROTO(struct inode *inode, u64 free_reserved),

    TP_ARGS(inode, free_reserved)
);

DEFINE_EVENT(btrfs__qgroup_data_map, btrfs_qgroup_free_data_rsv_map,

    TP_PROTO(struct inode *inode, u64 free_reserved),

    TP_ARGS(inode, free_reserved)
);

#define BTRFS_QGROUP_OPERATIONS                \
    { QGROUP_RESERVE,    "reserve"    },    \
    { QGROUP_RELEASE,    "release"    },    \
    { QGROUP_FREE,        "free"        }

DECLARE_EVENT_CLASS(btrfs__qgroup_rsv_data,

    TP_PROTO(struct inode *inode, u64 start, u64 len, u64 reserved, int op),

    TP_ARGS(inode, start, len, reserved, op),

    TP_STRUCT__entry(
        __field(    u64,        rootid        )
        __field(    unsigned long,    ino        )
        __field(    u64,        start        )
        __field(    u64,        len        )
        __field(    u64,        reserved    )
        __field(    int,        op        )
    ),

    TP_fast_assign(
        __entry->rootid        = BTRFS_I(inode)->root->objectid;
        __entry->ino        = inode->i_ino;
        __entry->start        = start;
        __entry->len        = len;
        __entry->reserved    = reserved;
        __entry->op        = op;
    ),

    TP_printk("root=%llu, ino=%lu, start=%llu, len=%llu, reserved=%llu, op=%s",
          __entry->rootid, __entry->ino, __entry->start, __entry->len,
          __entry->reserved,
          __print_flags((unsigned long)__entry->op, "",
                BTRFS_QGROUP_OPERATIONS)
    )
);

DEFINE_EVENT(btrfs__qgroup_rsv_data, btrfs_qgroup_reserve_data,

    TP_PROTO(struct inode *inode, u64 start, u64 len, u64 reserved, int op),

    TP_ARGS(inode, start, len, reserved, op)
);

DEFINE_EVENT(btrfs__qgroup_rsv_data, btrfs_qgroup_release_data,

    TP_PROTO(struct inode *inode, u64 start, u64 len, u64 reserved, int op),

    TP_ARGS(inode, start, len, reserved, op)
);

DECLARE_EVENT_CLASS(btrfs__qgroup_delayed_ref,

    TP_PROTO(u64 ref_root, u64 reserved),

    TP_ARGS(ref_root, reserved),

    TP_STRUCT__entry(
        __field(    u64,        ref_root    )
        __field(    u64,        reserved    )
    ),

    TP_fast_assign(
        __entry->ref_root    = ref_root;
        __entry->reserved    = reserved;
    ),

    TP_printk("root=%llu, reserved=%llu, op=free",
          __entry->ref_root, __entry->reserved)
);

DEFINE_EVENT(btrfs__qgroup_delayed_ref, btrfs_qgroup_free_delayed_ref,

    TP_PROTO(u64 ref_root, u64 reserved),

    TP_ARGS(ref_root, reserved)
);
#endif /* _TRACE_BTRFS_H */

/* This part must be outside protection */
#include <trace/define_trace.h>

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