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 660a87a22511..123bcef13e51 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 54f28bd493d3..37498ef61548 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);