[PATCH 4/8] mm/writeback: rename WB_REASON_FORKER_THREAD to WB_REASON_WORKER_THREAD

[Wanpeng Li <liwanp@linux.vnet.ibm.com>]

After commit 839a8e86("writeback: replace custom worker pool implementation
with unbound workqueue"), there is no bdi forker thread any more. This patch
rename WB_REASON_FORKER_THREAD to WB_REASON_WORKER_THREAD since works are
done by emergency worker.

Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
---
 fs/fs-writeback.c                | 2 +-
 include/linux/writeback.h        | 2 +-
 include/trace/events/writeback.h | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index e15aa97..87d91d9 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1025,7 +1025,7 @@ void bdi_writeback_workfn(struct work_struct *work)
 		 * enough for efficient IO.
 		 */
 		pages_written = writeback_inodes_wb(&bdi->wb, 1024,
-						    WB_REASON_FORKER_THREAD);
+						    WB_REASON_WORKER_THREAD);
 		trace_writeback_pages_written(pages_written);
 	}
 
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 8b5cec4..c153073 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -47,7 +47,7 @@ enum wb_reason {
 	WB_REASON_LAPTOP_TIMER,
 	WB_REASON_FREE_MORE_MEM,
 	WB_REASON_FS_FREE_SPACE,
-	WB_REASON_FORKER_THREAD,
+	WB_REASON_WORKER_THREAD,
 
 	WB_REASON_MAX,
 };
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 464ea82..f3b33f6 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -28,7 +28,7 @@
 		{WB_REASON_LAPTOP_TIMER,	"laptop_timer"},	\
 		{WB_REASON_FREE_MORE_MEM,	"free_more_memory"},	\
 		{WB_REASON_FS_FREE_SPACE,	"fs_free_space"},	\
-		{WB_REASON_FORKER_THREAD,	"forker_thread"}
+		{WB_REASON_WORKER_THREAD,	"worker_thread"}
 
 struct wb_writeback_work;
 
-- 
1.8.1.2

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