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-rw-r--r--include/linux/kernel.h3
-rw-r--r--include/linux/writeback.h5
2 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index f4fc576ed4c4..25fccd859fbf 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -24,6 +24,9 @@ extern const char linux_banner[];
#define LONG_MAX ((long)(~0UL>>1))
#define LONG_MIN (-LONG_MAX - 1)
#define ULONG_MAX (~0UL)
+#define LLONG_MAX ((long long)(~0ULL>>1))
+#define LLONG_MIN (-LLONG_MAX - 1)
+#define ULLONG_MAX (~0ULL)
#define STACK_MAGIC 0xdeadbeef
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 56f92fcbe94a..9e38b566d0e7 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -50,14 +50,15 @@ struct writeback_control {
* a hint that the filesystem need only write out the pages inside that
* byterange. The byte at `end' is included in the writeout request.
*/
- loff_t start;
- loff_t end;
+ loff_t range_start;
+ loff_t range_end;
unsigned nonblocking:1; /* Don't get stuck on request queues */
unsigned encountered_congestion:1; /* An output: a queue is full */
unsigned for_kupdate:1; /* A kupdate writeback */
unsigned for_reclaim:1; /* Invoked from the page allocator */
unsigned for_writepages:1; /* This is a writepages() call */
+ unsigned range_cyclic:1; /* range_start is cyclic */
};
/*
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