[PATCH v2 07/16] cramfs: Tell the VFS that readpage was synchronous
Matthew Wilcox (Oracle)
willy at infradead.org
Fri Oct 9 10:30:55 EDT 2020
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 at infradead.org>
---
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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