Commit bc31b86a authored by Wu Fengguang's avatar Wu Fengguang

writeback: move MIN_WRITEBACK_PAGES to fs-writeback.c

Fix compile error

 fs/fs-writeback.c:515:33: error: ‘PAGE_CACHE_SHIFT’ undeclared (first use in this function)
Reported-by: default avatarRandy Dunlap <rdunlap@xenotime.net>
Acked-by: default avatarRandy Dunlap <rdunlap@xenotime.net>
Signed-off-by: default avatarWu Fengguang <fengguang.wu@intel.com>
parent bdaac490
......@@ -20,6 +20,7 @@
#include <linux/sched.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/writeback.h>
......@@ -29,6 +30,11 @@
#include <linux/tracepoint.h>
#include "internal.h"
/*
* 4MB minimal write chunk size
*/
#define MIN_WRITEBACK_PAGES (4096UL >> (PAGE_CACHE_SHIFT - 10))
/*
* Passed into wb_writeback(), essentially a subset of writeback_control
*/
......
......@@ -25,11 +25,6 @@ DECLARE_PER_CPU(int, dirty_throttle_leaks);
#define DIRTY_SCOPE 8
#define DIRTY_FULL_SCOPE (DIRTY_SCOPE / 2)
/*
* 4MB minimal write chunk size
*/
#define MIN_WRITEBACK_PAGES (4096UL >> (PAGE_CACHE_SHIFT - 10))
struct backing_dev_info;
/*
......
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