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From:   Chengguang Xu <cgxu519@mykernel.net>
To:     miklos@szeredi.hu, jack@suse.cz, amir73il@gmail.com
Cc:     linux-fsdevel@vger.kernel.org, linux-unionfs@vger.kernel.org,
        linux-kernel@vger.kernel.org, Chengguang Xu <cgxu519@mykernel.net>
Message-ID: <20210923130814.140814-4-cgxu519@mykernel.net>
Subject: [RFC PATCH v5 03/10] ovl: implement overlayfs' ->evict_inode operation
Date:   Thu, 23 Sep 2021 21:08:07 +0800
In-Reply-To: <20210923130814.140814-1-cgxu519@mykernel.net>
References: <20210923130814.140814-1-cgxu519@mykernel.net>
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Precedence: bulk

Implement overlayfs' ->evict_inode operation,
so that we can clear dirty flags of overlayfs inode.

Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
---
 fs/overlayfs/super.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 51886ba6130a..2ab77adf7256 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -406,11 +406,18 @@ static int ovl_remount(struct super_block *sb, int *f=
lags, char *data)
 =09return ret;
 }
=20
+static void ovl_evict_inode(struct inode *inode)
+{
+=09inode->i_state &=3D ~I_DIRTY_ALL;
+=09clear_inode(inode);
+}
+
 static const struct super_operations ovl_super_operations =3D {
 =09.alloc_inode=09=3D ovl_alloc_inode,
 =09.free_inode=09=3D ovl_free_inode,
 =09.destroy_inode=09=3D ovl_destroy_inode,
 =09.drop_inode=09=3D generic_delete_inode,
+=09.evict_inode=09=3D ovl_evict_inode,
 =09.put_super=09=3D ovl_put_super,
 =09.sync_fs=09=3D ovl_sync_fs,
 =09.statfs=09=09=3D ovl_statfs,
--=20
2.27.0