From 3dca5c942dac60164e6a6e89172f25b86af07ce7 Mon Sep 17 00:00:00 2001 From: Qu Wenruo Date: Thu, 26 Apr 2018 14:24:25 +0800 Subject: btrfs: trace: Remove unnecessary fs_info parameter for btrfs__reserve_extent event class fs_info can be extracted from btrfs_block_group_cache, and all btrfs_block_group_cache is created by btrfs_create_block_group_cache() with fs_info initialized, no need to worry about NULL pointer dereference. Signed-off-by: Qu Wenruo Reviewed-by: Nikolay Borisov Signed-off-by: David Sterba --- include/trace/events/btrfs.h | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) (limited to 'include/trace/events') diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h index d78d8ab..5af2479 100644 --- a/include/trace/events/btrfs.h +++ b/include/trace/events/btrfs.h @@ -1146,11 +1146,10 @@ TRACE_EVENT(find_free_extent, DECLARE_EVENT_CLASS(btrfs__reserve_extent, - TP_PROTO(const struct btrfs_fs_info *fs_info, - const struct btrfs_block_group_cache *block_group, u64 start, + TP_PROTO(const struct btrfs_block_group_cache *block_group, u64 start, u64 len), - TP_ARGS(fs_info, block_group, start, len), + TP_ARGS(block_group, start, len), TP_STRUCT__entry_btrfs( __field( u64, bg_objectid ) @@ -1159,7 +1158,7 @@ DECLARE_EVENT_CLASS(btrfs__reserve_extent, __field( u64, len ) ), - TP_fast_assign_btrfs(fs_info, + TP_fast_assign_btrfs(block_group->fs_info, __entry->bg_objectid = block_group->key.objectid; __entry->flags = block_group->flags; __entry->start = start; @@ -1177,20 +1176,18 @@ DECLARE_EVENT_CLASS(btrfs__reserve_extent, DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent, - TP_PROTO(const struct btrfs_fs_info *fs_info, - const struct btrfs_block_group_cache *block_group, u64 start, + TP_PROTO(const struct btrfs_block_group_cache *block_group, u64 start, u64 len), - TP_ARGS(fs_info, block_group, start, len) + TP_ARGS(block_group, start, len) ); DEFINE_EVENT(btrfs__reserve_extent, btrfs_reserve_extent_cluster, - TP_PROTO(const struct btrfs_fs_info *fs_info, - const struct btrfs_block_group_cache *block_group, u64 start, + TP_PROTO(const struct btrfs_block_group_cache *block_group, u64 start, u64 len), - TP_ARGS(fs_info, block_group, start, len) + TP_ARGS(block_group, start, len) ); TRACE_EVENT(btrfs_find_cluster, @@ -1807,6 +1804,7 @@ TRACE_EVENT(btrfs_inode_mod_outstanding_extents, show_root_type(__entry->root_objectid), __entry->ino, __entry->mod) ); + #endif /* _TRACE_BTRFS_H */ /* This part must be outside protection */ -- cgit v1.1