diff options
Diffstat (limited to 'include/linux/writeback.h')
-rw-r--r-- | include/linux/writeback.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 6dff47304971..995b8bf630ac 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h | |||
@@ -7,6 +7,8 @@ | |||
7 | #include <linux/sched.h> | 7 | #include <linux/sched.h> |
8 | #include <linux/fs.h> | 8 | #include <linux/fs.h> |
9 | 9 | ||
10 | DECLARE_PER_CPU(int, dirty_throttle_leaks); | ||
11 | |||
10 | /* | 12 | /* |
11 | * The 1/4 region under the global dirty thresh is for smooth dirty throttling: | 13 | * The 1/4 region under the global dirty thresh is for smooth dirty throttling: |
12 | * | 14 | * |
@@ -23,11 +25,6 @@ | |||
23 | #define DIRTY_SCOPE 8 | 25 | #define DIRTY_SCOPE 8 |
24 | #define DIRTY_FULL_SCOPE (DIRTY_SCOPE / 2) | 26 | #define DIRTY_FULL_SCOPE (DIRTY_SCOPE / 2) |
25 | 27 | ||
26 | /* | ||
27 | * 4MB minimal write chunk size | ||
28 | */ | ||
29 | #define MIN_WRITEBACK_PAGES (4096UL >> (PAGE_CACHE_SHIFT - 10)) | ||
30 | |||
31 | struct backing_dev_info; | 28 | struct backing_dev_info; |
32 | 29 | ||
33 | /* | 30 | /* |
@@ -194,6 +191,8 @@ void writeback_set_ratelimit(void); | |||
194 | void tag_pages_for_writeback(struct address_space *mapping, | 191 | void tag_pages_for_writeback(struct address_space *mapping, |
195 | pgoff_t start, pgoff_t end); | 192 | pgoff_t start, pgoff_t end); |
196 | 193 | ||
194 | void account_page_redirty(struct page *page); | ||
195 | |||
197 | /* pdflush.c */ | 196 | /* pdflush.c */ |
198 | extern int nr_pdflush_threads; /* Global so it can be exported to sysctl | 197 | extern int nr_pdflush_threads; /* Global so it can be exported to sysctl |
199 | read-only. */ | 198 | read-only. */ |