Commit b02a16e6 authored Nov 29, 2017 by Amir Goldstein Committed by Miklos Szeredi Dec 11, 2017

ovl: update ctx->pos on impure dir iteration



This fixes a regression with readdir of impure dir in overlayfs
that is shared to VM via 9p fs.

Reported-by: Miguel Bernal Marin <miguel.bernal.marin@linux.intel.com>
Fixes: 4edb83bb ("ovl: constant d_ino for non-merge dirs")
Cc: <stable@vger.kernel.org> #4.14
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Tested-by: Miguel Bernal Marin <miguel.bernal.marin@linux.intel.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

parent 08d8f8a5

fs/overlayfs/readdir.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -663,7 +663,10 @@ static int ovl_iterate_real(struct file file, struct dir_context ctx)
		return PTR_ERR(rdt.cache);
		}

		return iterate_dir(od->realfile, &rdt.ctx);
		err = iterate_dir(od->realfile, &rdt.ctx);
		ctx->pos = rdt.ctx.pos;

		return err;
		}

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