The patch titled
writeback-fix-queue_io-ordering-update
has been added to the -mm tree. Its filename is
writeback-fix-queue_io-ordering-update.patch
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------------------------------------------------------
Subject: writeback-fix-queue_io-ordering-update
From: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Cc: Dave Chinner <david@xxxxxxxxxxxxx>
Cc: Martin Bligh <mbligh@xxxxxxxxxx>
Cc: Michael Rubin <mrubin@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/fs-writeback.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff -puN fs/fs-writeback.c~writeback-fix-queue_io-ordering-update fs/fs-writeback.c
--- a/fs/fs-writeback.c~writeback-fix-queue_io-ordering-update
+++ a/fs/fs-writeback.c
@@ -251,10 +251,15 @@ static void move_expired_inodes(struct l
}
/*
- * Queue all expired dirty inodes for io, eldest first:
- * (newly dirtied) => b_dirty inodes
- * => b_more_io inodes
- * => remaining inodes in b_io => (dequeue for sync)
+ * Queue all expired dirty inodes for io, eldest first.
+ * Before
+ * newly dirtied b_dirty b_io b_more_io
+ * =============> gf edc BA
+ * After
+ * newly dirtied b_dirty b_io b_more_io
+ * =============> g fBAedc
+ * |
+ * +--> dequeue for IO
*/
static void queue_io(struct bdi_writeback *wb, unsigned long *older_than_this)
{
_
Patches currently in -mm which might be from fengguang.wu@xxxxxxxxx are
origin.patch
linux-next.patch
fs-inodec-work-around-bug.patch
include-linux-fsh-complete-hexification-of-fmode_-constants.patch
vfs-o_-bit-numbers-uniqueness-check.patch
vfs-introduce-fmode_neg_offset-for-allowing-negative-f_pos.patch
writeback-reduce-calls-to-global_page_state-in-balance_dirty_pages.patch
writeback-reduce-calls-to-global_page_state-in-balance_dirty_pages-update.patch
writeback-avoid-unnecessary-calculation-of-bdi-dirty-thresholds.patch
writeback-avoid-unnecessary-calculation-of-bdi-dirty-thresholds-update.patch
writeback-add-comment-to-the-dirty-limit-functions.patch
writeback-add-comment-to-the-dirty-limit-functions-update.patch
writeback-dont-redirty-tail-an-inode-with-dirty-pages.patch
writeback-fix-queue_io-ordering.patch
writeback-fix-queue_io-ordering-update.patch
writeback-merge-for_kupdate-and-for_kupdate-cases.patch
vfs-add-super-operation-writeback_inodes.patch
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