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-rw-r--r--include/linux/writeback.h4
-rw-r--r--mm/filemap.c8
2 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index b096159086e..beaef5c7a0e 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -103,7 +103,9 @@ void balance_dirty_pages_ratelimited(struct address_space *mapping);
int pdflush_operation(void (*fn)(unsigned long), unsigned long arg0);
int do_writepages(struct address_space *mapping, struct writeback_control *wbc);
int sync_page_range(struct inode *inode, struct address_space *mapping,
- loff_t pos, size_t count);
+ loff_t pos, loff_t count);
+int sync_page_range_nolock(struct inode *inode, struct address_space *mapping,
+ loff_t pos, loff_t count);
/* pdflush.c */
extern int nr_pdflush_threads; /* Global so it can be exported to sysctl
diff --git a/mm/filemap.c b/mm/filemap.c
index 4ef24a39768..8fdf3650802 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -280,7 +280,7 @@ static int wait_on_page_writeback_range(struct address_space *mapping,
* it is otherwise livelockable.
*/
int sync_page_range(struct inode *inode, struct address_space *mapping,
- loff_t pos, size_t count)
+ loff_t pos, loff_t count)
{
pgoff_t start = pos >> PAGE_CACHE_SHIFT;
pgoff_t end = (pos + count - 1) >> PAGE_CACHE_SHIFT;
@@ -305,9 +305,8 @@ EXPORT_SYMBOL(sync_page_range);
* as it forces O_SYNC writers to different parts of the same file
* to be serialised right until io completion.
*/
-static int sync_page_range_nolock(struct inode *inode,
- struct address_space *mapping,
- loff_t pos, size_t count)
+int sync_page_range_nolock(struct inode *inode, struct address_space *mapping,
+ loff_t pos, loff_t count)
{
pgoff_t start = pos >> PAGE_CACHE_SHIFT;
pgoff_t end = (pos + count - 1) >> PAGE_CACHE_SHIFT;
@@ -322,6 +321,7 @@ static int sync_page_range_nolock(struct inode *inode,
ret = wait_on_page_writeback_range(mapping, start, end);
return ret;
}
+EXPORT_SYMBOL(sync_page_range_nolock);
/**
* filemap_fdatawait - walk the list of under-writeback pages of the given