linux-kernel - [PATCH 30/33] ceph: fix fscache invalidation

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Message-ID: <161340422457.1303470.10027983783837430801.stgit@warthog.procyon.org.uk>
Date:   Mon, 15 Feb 2021 15:50:24 +0000
From:   David Howells <dhowells@...hat.com>
To:     Trond Myklebust <trondmy@...merspace.com>,
        Anna Schumaker <anna.schumaker@...app.com>,
        Steve French <sfrench@...ba.org>,
        Dominique Martinet <asmadeus@...ewreck.org>
Cc:     Jeff Layton <jlayton@...nel.org>, ceph-devel@...r.kernel.org,
        linux-cachefs@...hat.com, linux-fsdevel@...r.kernel.org,
        dhowells@...hat.com, Jeff Layton <jlayton@...hat.com>,
        David Wysochanski <dwysocha@...hat.com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-cachefs@...hat.com, linux-afs@...ts.infradead.org,
        linux-nfs@...r.kernel.org, linux-cifs@...r.kernel.org,
        ceph-devel@...r.kernel.org, v9fs-developer@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 30/33] ceph: fix fscache invalidation

From: Jeff Layton <jlayton@...nel.org>

Ensure that we invalidate the fscache whenever we invalidate the
pagecache.

Signed-off-by: Jeff Layton <jlayton@...nel.org>
Signed-off-by: David Howells <dhowells@...hat.com>
cc: ceph-devel@...r.kernel.org
cc: linux-cachefs@...hat.com
cc: linux-fsdevel@...r.kernel.org
---

 fs/ceph/caps.c  |    1 +
 fs/ceph/inode.c |    1 +
 2 files changed, 2 insertions(+)

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index ca07dfc60652..c40f713d6d21 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1867,6 +1867,7 @@ static int try_nonblocking_invalidate(struct inode *inode)
 	u32 invalidating_gen = ci->i_rdcache_gen;
 
 	spin_unlock(&ci->i_ceph_lock);
+	ceph_fscache_invalidate(inode);
 	invalidate_mapping_pages(&inode->i_data, 0, -1);
 	spin_lock(&ci->i_ceph_lock);
 
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index adc8fc3c5d85..2caa6df0bcdf 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1906,6 +1906,7 @@ static void ceph_do_invalidate_pages(struct inode *inode)
 	orig_gen = ci->i_rdcache_gen;
 	spin_unlock(&ci->i_ceph_lock);
 
+	ceph_fscache_invalidate(inode);
 	if (invalidate_inode_pages2(inode->i_mapping) < 0) {
 		pr_err("invalidate_pages %p fails\n", inode);
 	}