[PATCH v3 09/18] cramfs: Tell the VFS that readpage was synchronous

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The cramfs readpage implementation was already synchronous, so use
AOP_UPDATED_PAGE to avoid cycling the page lock.

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
 fs/cramfs/inode.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index 912308600d39..7a642146c074 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -916,15 +916,14 @@ static int cramfs_readpage(struct file *file, struct page *page)
 	flush_dcache_page(page);
 	kunmap(page);
 	SetPageUptodate(page);
-	unlock_page(page);
-	return 0;
+	return AOP_UPDATED_PAGE;
 
 err:
 	kunmap(page);
 	ClearPageUptodate(page);
 	SetPageError(page);
 	unlock_page(page);
-	return 0;
+	return -EIO;
 }
 
 static const struct address_space_operations cramfs_aops = {
-- 
2.28.0




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