[PATCH 30/33] ceph: fix fscache invalidation

From: David Howells
Date: Mon Feb 15 2021 - 12:12:04 EST


From: Jeff Layton <jlayton@xxxxxxxxxx>

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

Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: ceph-devel@xxxxxxxxxxxxxxx
cc: linux-cachefs@xxxxxxxxxx
cc: linux-fsdevel@xxxxxxxxxxxxxxx
---

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);
}