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Subject[PATCH AUTOSEL 4.9 5/7] ceph: fix fscache invalidation
Date
From: Jeff Layton <jlayton@kernel.org>

[ Upstream commit 10a7052c7868bc7bc72d947f5aac6f768928db87 ]

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

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <sashal@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 2a351821d8f3..0eb2ada032c7 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -1577,6 +1577,7 @@ 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 049cff197d2a..5e12ea92f7cd 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1762,6 +1762,7 @@ static void ceph_invalidate_work(struct work_struct *work)
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
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