Re: [PATCH 0/6] [RFC] writeback: try to write older pages first

From: Itaru Kitayama
Date: Mon Jul 26 2010 - 06:32:17 EST


Hi,
Here's a touch up patch on top of your changes against the latest
mmotm.

Signed-off-by: Itaru Kitayama <kitayama@xxxxxxxxxxxxx>
---
fs/btrfs/extent_io.c | 2 --
include/trace/events/ext4.h | 5 +----
2 files changed, 1 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index cb9af26..b494dee 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2586,7 +2586,6 @@ int extent_write_full_page(struct extent_io_tree *tree, struct page *page,
};
struct writeback_control wbc_writepages = {
.sync_mode = wbc->sync_mode,
- .older_than_this = NULL,
.nr_to_write = 64,
.range_start = page_offset(page) + PAGE_CACHE_SIZE,
.range_end = (loff_t)-1,
@@ -2619,7 +2618,6 @@ int extent_write_locked_range(struct extent_io_tree *tree, struct inode *inode,
};
struct writeback_control wbc_writepages = {
.sync_mode = mode,
- .older_than_this = NULL,
.nr_to_write = nr_pages * 2,
.range_start = start,
.range_end = end + 1,
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index f3865c7..099598b 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -305,7 +305,6 @@ TRACE_EVENT(ext4_da_writepages_result,
__field( int, ret )
__field( int, pages_written )
__field( long, pages_skipped )
- __field( char, more_io )
__field( pgoff_t, writeback_index )
),

@@ -315,15 +314,13 @@ TRACE_EVENT(ext4_da_writepages_result,
__entry->ret = ret;
__entry->pages_written = pages_written;
__entry->pages_skipped = wbc->pages_skipped;
- __entry->more_io = wbc->more_io;
__entry->writeback_index = inode->i_mapping->writeback_index;
),

- TP_printk("dev %s ino %lu ret %d pages_written %d pages_skipped %ld more_io %d writeback_index %lu",
+ TP_printk("dev %s ino %lu ret %d pages_written %d pages_skipped %ld writeback_index %lu",
jbd2_dev_to_name(__entry->dev),
(unsigned long) __entry->ino, __entry->ret,
__entry->pages_written, __entry->pages_skipped,
- __entry->more_io,
(unsigned long) __entry->writeback_index)
);

--
1.7.1.1
--
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