Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (62 commits)
  Btrfs: use larger system chunks
  Btrfs: add a delalloc mutex to inodes for delalloc reservations
  Btrfs: space leak tracepoints
  Btrfs: protect orphan block rsv with spin_lock
  Btrfs: add allocator tracepoints
  Btrfs: don't call btrfs_throttle in file write
  Btrfs: release space on error in page_mkwrite
  Btrfs: fix btrfsck error 400 when truncating a compressed
  Btrfs: do not use btrfs_end_transaction_throttle everywhere
  Btrfs: add balance progress reporting
  Btrfs: allow for resuming restriper after it was paused
  Btrfs: allow for canceling restriper
  Btrfs: allow for pausing restriper
  Btrfs: add skip_balance mount option
  Btrfs: recover balance on mount
  Btrfs: save balance parameters to disk
  Btrfs: soft profile changing mode (aka soft convert)
  Btrfs: implement online profile changing
  Btrfs: do not reduce profile in do_chunk_alloc()
  Btrfs: virtual address space subset filter
  ...

Fix up trivial conflict in fs/btrfs/ioctl.c due to the use of the new
mnt_drop_write_file() helper.

1 files changed, 203 insertions, 0 deletions

diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index b31702ac15be..84f3001a568d 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -16,6 +16,8 @@ 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;
 
@@ -44,6 +46,17 @@ struct extent_buffer;
         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),
@@ -621,6 +634,34 @@ TRACE_EVENT(btrfs_cow_block,
                   __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),
@@ -659,6 +700,168 @@ DEFINE_EVENT(btrfs__reserved_extent,  btrfs_reserved_extent_free,
         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)
+);