Messages in this thread Patch in this message | | | From | "Matthew Wilcox (Oracle)" <> | Subject | [PATCH 04/13] ceph: Tell the VFS that readpage was synchronous | Date | Thu, 17 Sep 2020 16:10:41 +0100 |
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The ceph readpage implementation was already synchronous, so use AOP_UPDATED_PAGE to avoid cycling the page lock.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- fs/ceph/addr.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 6ea761c84494..b2bf8bf7a312 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -291,10 +291,11 @@ static int ceph_do_readpage(struct file *filp, struct page *page) static int ceph_readpage(struct file *filp, struct page *page) { int r = ceph_do_readpage(filp, page); - if (r != -EINPROGRESS) - unlock_page(page); - else - r = 0; + if (r == -EINPROGRESS) + return 0; + if (r == 0) + return AOP_UPDATED_PAGE; + unlock_page(page); return r; } -- 2.28.0
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