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path: root/fs/overlayfs/super.c
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-rw-r--r--fs/overlayfs/super.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 1a7a1e298885..1c1eb873e6ec 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -268,8 +268,8 @@ static int ovl_sync_fs(struct super_block *sb, int wait)
return 0;
/*
- * If this is a sync(2) call or an emergency sync, all the super blocks
- * will be iterated, including upper_sb, so no need to do anything.
+ * Not called for sync(2) call or an emergency sync (SB_I_SKIP_SYNC).
+ * All the super blocks will be iterated, including upper_sb.
*
* If this is a syncfs(2) call, then we do need to call
* sync_filesystem() on upper_sb, but enough if we do it when being
@@ -1664,6 +1664,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
sb->s_xattr = ovl_xattr_handlers;
sb->s_fs_info = ofs;
sb->s_flags |= SB_POSIXACL;
+ sb->s_iflags |= SB_I_SKIP_SYNC;
err = -ENOMEM;
root_dentry = d_make_root(ovl_new_inode(sb, S_IFDIR, 0));