btrfs.h

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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;

#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_TREE_RELOC_OBJECTID,    "TREE_RELOC"    },  \
        { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" })

#define show_root_type(obj)                     \
    obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||        \
          (obj <= BTRFS_CSUM_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"}

#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, "|",                    \
        { EXTENT_FLAG_PINNED,       "PINNED"    },  \
        { EXTENT_FLAG_COMPRESSED,   "COMPRESSED"    },  \
        { EXTENT_FLAG_VACANCY,      "VACANCY"   },  \
        { EXTENT_FLAG_PREALLOC,     "PREALLOC"  })

TRACE_EVENT(btrfs_get_extent,

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

    TP_ARGS(root, 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_symbolic(flags,                 \
        { BTRFS_ORDERED_IO_DONE,    "IO_DONE"   },  \
        { BTRFS_ORDERED_COMPLETE,   "COMPLETE"  },  \
        { BTRFS_ORDERED_NOCOW,      "NOCOW"     },  \
        { BTRFS_ORDERED_COMPRESSED,     "COMPRESSED"    },  \
        { BTRFS_ORDERED_PREALLOC,   "PREALLOC"  },  \
        { BTRFS_ORDERED_DIRECT,     "DIRECT"    })

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 = dentry->d_inode;

        __entry->ino        = inode->i_ino;
        __entry->parent     = dentry->d_parent->d_inode->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" })
            

TRACE_EVENT(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)
);

TRACE_EVENT(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)
);

TRACE_EVENT(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 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"})

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 = %pF", __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 = %pF", __entry->state,
          (void *)__entry->ip)
);

#endif /* _TRACE_BTRFS_H */

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