Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  writeback: simplify the write back thread queue
  writeback: split writeback_inodes_wb
  writeback: remove writeback_inodes_wbc
  fs-writeback: fix kernel-doc warnings
  splice: check f_mode for seekable file
  splice: direct_splice_actor() should not use pos in sd

2 files changed, 5 insertions, 15 deletions

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 660a87a..123bcef 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -104,15 +104,13 @@ static int bdi_debug_stats_show(struct seq_file *m, void *v)
 		   "b_more_io:        %8lu\n"
 		   "bdi_list:         %8u\n"
 		   "state:            %8lx\n"
-		   "wb_mask:          %8lx\n"
-		   "wb_list:          %8u\n"
-		   "wb_cnt:           %8u\n",
+		   "wb_list:          %8u\n",
 		   (unsigned long) K(bdi_stat(bdi, BDI_WRITEBACK)),
 		   (unsigned long) K(bdi_stat(bdi, BDI_RECLAIMABLE)),
 		   K(bdi_thresh), K(dirty_thresh),
 		   K(background_thresh), nr_wb, nr_dirty, nr_io, nr_more_io,
-		   !list_empty(&bdi->bdi_list), bdi->state, bdi->wb_mask,
-		   !list_empty(&bdi->wb_list), bdi->wb_cnt);
+		   !list_empty(&bdi->bdi_list), bdi->state,
+		   !list_empty(&bdi->wb_list));
 #undef K
 
 	return 0;
@@ -340,14 +338,13 @@ int bdi_has_dirty_io(struct backing_dev_info *bdi)
 static void bdi_flush_io(struct backing_dev_info *bdi)
 {
 	struct writeback_control wbc = {
-		.bdi			= bdi,
 		.sync_mode		= WB_SYNC_NONE,
 		.older_than_this	= NULL,
 		.range_cyclic		= 1,
 		.nr_to_write		= 1024,
 	};
 
-	writeback_inodes_wbc(&wbc);
+	writeback_inodes_wb(&bdi->wb, &wbc);
 }
 
 /*
@@ -675,12 +672,6 @@ int bdi_init(struct backing_dev_info *bdi)
 
 	bdi_wb_init(&bdi->wb, bdi);
 
-	/*
-	 * Just one thread support for now, hard code mask and count
-	 */
-	bdi->wb_mask = 1;
-	bdi->wb_cnt = 1;
-
 	for (i = 0; i < NR_BDI_STAT_ITEMS; i++) {
 		err = percpu_counter_init(&bdi->bdi_stat[i], 0);
 		if (err)
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 54f28bd..37498ef 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -495,7 +495,6 @@ static void balance_dirty_pages(struct address_space *mapping,
 
 	for (;;) {
 		struct writeback_control wbc = {
-			.bdi		= bdi,
 			.sync_mode	= WB_SYNC_NONE,
 			.older_than_this = NULL,
 			.nr_to_write	= write_chunk,
@@ -537,7 +536,7 @@ static void balance_dirty_pages(struct address_space *mapping,
 		 * up.
 		 */
 		if (bdi_nr_reclaimable > bdi_thresh) {
-			writeback_inodes_wbc(&wbc);
+			writeback_inodes_wb(&bdi->wb, &wbc);
 			pages_written += write_chunk - wbc.nr_to_write;
 			get_dirty_limits(&background_thresh, &dirty_thresh,
 				       &bdi_thresh, bdi);