writeback: remove .nonblocking and .encountered_congestion
Remove two unused struct writeback_control fields:
.encountered_congestion (completely unused)
.nonblocking (never set, checked/showed in XFS,NFS/btrfs)
The .for_background check in nfs_write_inode() is also removed btw,
as .for_background implies WB_SYNC_NONE.
Reviewed-by: Jan Kara <jack@suse.cz>
Proposed-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index 4114129..b31702a 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -284,7 +284,6 @@
__field( long, pages_skipped )
__field( loff_t, range_start )
__field( loff_t, range_end )
- __field( char, nonblocking )
__field( char, for_kupdate )
__field( char, for_reclaim )
__field( char, range_cyclic )
@@ -299,7 +298,6 @@
__entry->pages_skipped = wbc->pages_skipped;
__entry->range_start = wbc->range_start;
__entry->range_end = wbc->range_end;
- __entry->nonblocking = wbc->nonblocking;
__entry->for_kupdate = wbc->for_kupdate;
__entry->for_reclaim = wbc->for_reclaim;
__entry->range_cyclic = wbc->range_cyclic;
@@ -310,13 +308,13 @@
TP_printk("root = %llu(%s), ino = %lu, page_index = %lu, "
"nr_to_write = %ld, pages_skipped = %ld, range_start = %llu, "
- "range_end = %llu, nonblocking = %d, for_kupdate = %d, "
+ "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->nonblocking, __entry->for_kupdate,
+ __entry->for_kupdate,
__entry->for_reclaim, __entry->range_cyclic,
(unsigned long)__entry->writeback_index)
);