Commit 64425500 authored by Naohiro Aota's avatar Naohiro Aota Committed by David Sterba
Browse files

btrfs: tracepoints: also show actual number of the outstanding extents 



The btrfs_inode_mod_outstanding_extents trace event only shows the modified
number to the number of outstanding extents. It would be helpful if we can
see the resulting extent number as well.

Signed-off-by: default avatarNaohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent c9e561c4

fs/btrfs/btrfs_inode.h

+1 −1
Original line number Diff line number Diff line
@@ -332,7 +332,7 @@ static inline void btrfs_mod_outstanding_extents(struct btrfs_inode *inode, 
	if (btrfs_is_free_space_inode(inode))

		return;

	trace_btrfs_inode_mod_outstanding_extents(inode->root, btrfs_ino(inode),

						  mod);

						  mod, inode->outstanding_extents);

}



/*

include/trace/events/btrfs.h

+6 −4
Original line number Diff line number Diff line
@@ -2011,25 +2011,27 @@ DEFINE_EVENT(btrfs__prelim_ref, btrfs_prelim_ref_insert, 
);



TRACE_EVENT(btrfs_inode_mod_outstanding_extents,

	TP_PROTO(const struct btrfs_root *root, u64 ino, int mod),

	TP_PROTO(const struct btrfs_root *root, u64 ino, int mod, unsigned outstanding),



	TP_ARGS(root, ino, mod),

	TP_ARGS(root, ino, mod, outstanding),



	TP_STRUCT__entry_btrfs(

		__field(	u64, root_objectid	)

		__field(	u64, ino		)

		__field(	int, mod		)

		__field(	unsigned, outstanding	)

	),



	TP_fast_assign_btrfs(root->fs_info,

		__entry->root_objectid	= root->root_key.objectid;

		__entry->ino		= ino;

		__entry->mod		= mod;

		__entry->outstanding    = outstanding;

	),



	TP_printk_btrfs("root=%llu(%s) ino=%llu mod=%d",

	TP_printk_btrfs("root=%llu(%s) ino=%llu mod=%d outstanding=%u",

			show_root_type(__entry->root_objectid),

			__entry->ino, __entry->mod)

			__entry->ino, __entry->mod, __entry->outstanding)

);



DECLARE_EVENT_CLASS(btrfs__block_group,