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authorLinus Torvalds <torvalds@linux-foundation.org>2011-08-25 13:40:12 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-08-25 13:40:12 -0400
commite33f2d238e2e53e264c758c0849423a9308eb63e (patch)
tree8137292b733fe0f8d10b8d004f2c58a9740c829b /include
parentbe5378f3baabb5667508c42c56b4281f967d6861 (diff)
parentbb0822954aab7d23a3f902c2a103ee0242f6046e (diff)
Merge branch 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback
* 'urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback: squeeze max-pause area and drop pass-good area
Diffstat (limited to 'include')
-rw-r--r--include/linux/writeback.h11
1 files changed, 0 insertions, 11 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index f1bfa12ea246..2b8963ff0f35 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -12,15 +12,6 @@
12 * 12 *
13 * (thresh - thresh/DIRTY_FULL_SCOPE, thresh) 13 * (thresh - thresh/DIRTY_FULL_SCOPE, thresh)
14 * 14 *
15 * The 1/16 region above the global dirty limit will be put to maximum pauses:
16 *
17 * (limit, limit + limit/DIRTY_MAXPAUSE_AREA)
18 *
19 * The 1/16 region above the max-pause region, dirty exceeded bdi's will be put
20 * to loops:
21 *
22 * (limit + limit/DIRTY_MAXPAUSE_AREA, limit + limit/DIRTY_PASSGOOD_AREA)
23 *
24 * Further beyond, all dirtier tasks will enter a loop waiting (possibly long 15 * Further beyond, all dirtier tasks will enter a loop waiting (possibly long
25 * time) for the dirty pages to drop, unless written enough pages. 16 * time) for the dirty pages to drop, unless written enough pages.
26 * 17 *
@@ -31,8 +22,6 @@
31 */ 22 */
32#define DIRTY_SCOPE 8 23#define DIRTY_SCOPE 8
33#define DIRTY_FULL_SCOPE (DIRTY_SCOPE / 2) 24#define DIRTY_FULL_SCOPE (DIRTY_SCOPE / 2)
34#define DIRTY_MAXPAUSE_AREA 16
35#define DIRTY_PASSGOOD_AREA 8
36 25
37/* 26/*
38 * 4MB minimal write chunk size 27 * 4MB minimal write chunk size