Now drop overlayfs' inode will sync dirty data,
so we change to only drop clean inode.
Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxxxx>
---
fs/overlayfs/super.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 960e79e7a8b5..1d04117fb6ad 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -421,11 +421,21 @@ static int ovl_write_inode(struct inode *inode,
return ret;
}
+int ovl_drop_inode(struct inode *inode)
+{
+ struct inode *upper = ovl_inode_upper(inode);
+
+ if (!upper || !(inode->i_state & I_DIRTY_ALL))
+ return 1;
+
+ return generic_drop_inode(inode);
+}
+
static const struct super_operations ovl_super_operations = {
.alloc_inode = ovl_alloc_inode,
.free_inode = ovl_free_inode,
.destroy_inode = ovl_destroy_inode,
- .drop_inode = generic_delete_inode,
+ .drop_inode = ovl_drop_inode,
.write_inode = ovl_write_inode,
.evict_inode = ovl_evict_inode,
.put_super = ovl_put_super,
--
2.26.2
