[RFC PATCH 8/9] orangefs: use set/clear_fs_page_private

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Since the new pair function is introduced, we can call them to clean the
code in orangefs.

Cc: Mike Marshall <hubcap@xxxxxxxxxxxx>
Cc: Martin Brandenburg <martin@xxxxxxxxxxxx>
Cc: devel@xxxxxxxxxxxxxxxxxx
Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
---
 fs/orangefs/inode.c | 24 ++++++------------------
 1 file changed, 6 insertions(+), 18 deletions(-)

diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index 12ae630fbed7..893099d36e20 100644
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c
@@ -64,9 +64,7 @@ static int orangefs_writepage_locked(struct page *page,
 	}
 	if (wr) {
 		kfree(wr);
-		set_page_private(page, 0);
-		ClearPagePrivate(page);
-		put_page(page);
+		clear_fs_page_private(page);
 	}
 	return ret;
 }
@@ -409,9 +407,7 @@ static int orangefs_write_begin(struct file *file,
 	wr->len = len;
 	wr->uid = current_fsuid();
 	wr->gid = current_fsgid();
-	SetPagePrivate(page);
-	set_page_private(page, (unsigned long)wr);
-	get_page(page);
+	set_fs_page_private(page, wr);
 okay:
 	return 0;
 }
@@ -460,17 +456,13 @@ static void orangefs_invalidatepage(struct page *page,
 
 	if (offset == 0 && length == PAGE_SIZE) {
 		kfree((struct orangefs_write_range *)page_private(page));
-		set_page_private(page, 0);
-		ClearPagePrivate(page);
-		put_page(page);
+		clear_fs_page_private(page);
 		return;
 	/* write range entirely within invalidate range (or equal) */
 	} else if (page_offset(page) + offset <= wr->pos &&
 	    wr->pos + wr->len <= page_offset(page) + offset + length) {
 		kfree((struct orangefs_write_range *)page_private(page));
-		set_page_private(page, 0);
-		ClearPagePrivate(page);
-		put_page(page);
+		clear_fs_page_private(page);
 		/* XXX is this right? only caller in fs */
 		cancel_dirty_page(page);
 		return;
@@ -537,9 +529,7 @@ static void orangefs_freepage(struct page *page)
 {
 	if (PagePrivate(page)) {
 		kfree((struct orangefs_write_range *)page_private(page));
-		set_page_private(page, 0);
-		ClearPagePrivate(page);
-		put_page(page);
+		clear_fs_page_private(page);
 	}
 }
 
@@ -740,9 +730,7 @@ vm_fault_t orangefs_page_mkwrite(struct vm_fault *vmf)
 	wr->len = PAGE_SIZE;
 	wr->uid = current_fsuid();
 	wr->gid = current_fsgid();
-	SetPagePrivate(page);
-	set_page_private(page, (unsigned long)wr);
-	get_page(page);
+	set_fs_page_private(page, wr);
 okay:
 
 	file_update_time(vmf->vma->vm_file);
-- 
2.17.1




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