[PATCH 4/7] Ceph: Uncaching no-data page in readpage()

[Li Wang]

Currently, if one page allocated into fscache in readpage(), however, with
no-data read, it is not uncached. This patch fixes this.

Signed-off-by: Li Wang <liwang@xxxxxxxxxxxxxxx>
---
 fs/ceph/addr.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 6df8bd4..be5f4b6 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -209,6 +209,7 @@ static int readpage_nounlock(struct file *filp, struct page *page)
 		err = 0;
 	if (err < 0) {
 		SetPageError(page);
+		ceph_fscache_readpage_cancel(inode, page);
 		goto out;
 	} else if (err < PAGE_CACHE_SIZE) {
 		/* zero fill remainder of page */
-- 
1.7.9.5

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