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authorChristoph Hellwig <hch@lst.de>2010-06-19 23:08:06 +0200
committerJens Axboe <jaxboe@fusionio.com>2010-08-07 18:23:03 +0200
commitc1955ce32fdb0877b7a1b22feb2669358f65be76 (patch)
tree805b4da7168b0b16de890ea248323f3cdf5dc0b7 /fs/fs-writeback.c
parent4c4762d10faf93167b84ee03e4b58dd62012b06f (diff)
writeback: remove wb_list
The wb_list member of struct backing_device_info always has exactly one element. Just use the direct bdi->wb pointer instead and simplify some code. Also remove bdi_task_init which is now trivial to prepare for the next patch. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'fs/fs-writeback.c')
-rw-r--r--fs/fs-writeback.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index d5be1693ac9..d67989b8ba4 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -73,9 +73,9 @@ static void bdi_queue_work(struct backing_dev_info *bdi,
* If the default thread isn't there, make sure we add it. When
* it gets created and wakes up, we'll run this work.
*/
- if (unlikely(list_empty_careful(&bdi->wb_list)))
+ if (unlikely(!bdi->wb.task)) {
wake_up_process(default_backing_dev_info.wb.task);
- else {
+ } else {
struct bdi_writeback *wb = &bdi->wb;
if (wb->task)