[PATCH 5.4 22/37] ceph: fix fscache invalidation

From: Greg Kroah-Hartman
Date: Thu May 20 2021 - 05:35:48 EST


From: Jeff Layton <jlayton@xxxxxxxxxx>

[ Upstream commit 10a7052c7868bc7bc72d947f5aac6f768928db87 ]

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

Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 22833fa5bb58..a6047caf77ec 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1780,6 +1780,7 @@ 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 660a878e20ef..5beebbbb42f0 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1875,6 +1875,7 @@ 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);
}
--
2.30.2