summaryrefslogtreecommitdiff
path: root/include/linux/writeback.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-10-28 18:54:49 +0300
committerIngo Molnar <mingo@elte.hu>2008-10-28 18:54:49 +0300
commitd1a76187a5be4f89c6cb19d800cb5fb7aac735c5 (patch)
tree2fac3ffbfffc7560eeef8364b541d0d7a0057920 /include/linux/writeback.h
parentc7e78cff6b7518212247fb20b1dc6411540dc9af (diff)
parent0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff)
downloadlinux-d1a76187a5be4f89c6cb19d800cb5fb7aac735c5.tar.xz
Merge commit 'v2.6.28-rc2' into core/locking
Conflicts: arch/um/include/asm/system.h
Diffstat (limited to 'include/linux/writeback.h')
-rw-r--r--include/linux/writeback.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 12b15c561a1f..e585657e9831 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -63,7 +63,15 @@ struct writeback_control {
unsigned for_writepages:1; /* This is a writepages() call */
unsigned range_cyclic:1; /* range_start is cyclic */
unsigned more_io:1; /* more io to be dispatched */
- unsigned range_cont:1;
+ /*
+ * write_cache_pages() won't update wbc->nr_to_write and
+ * mapping->writeback_index if no_nrwrite_index_update
+ * is set. write_cache_pages() may write more than we
+ * requested and we want to make sure nr_to_write and
+ * writeback_index are updated in a consistent manner
+ * so we use a single control to update them
+ */
+ unsigned no_nrwrite_index_update:1;
};
/*