Commit 773cb4c5 authored by Amir Goldstein's avatar Amir Goldstein Committed by Miklos Szeredi
Browse files

ovl: prepare to copy up without workdir 



With index=on, we copy up lower hardlinks to work dir and move them into
index dir. Fix locking to allow work dir and index dir to be the same
directory.

Signed-off-by: default avatarAmir Goldstein <amir73il@gmail.com>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
parent 3011645b

fs/overlayfs/copy_up.c

+4 −3
Original line number Diff line number Diff line
@@ -584,9 +584,10 @@ static int ovl_copy_up_workdir(struct ovl_copy_up_ctx *c) 
		.link = c->link

	};



	err = ovl_lock_rename_workdir(c->workdir, c->destdir);

	if (err)

		return err;

	/* workdir and destdir could be the same when copying up to indexdir */

	err = -EIO;

	if (lock_rename(c->workdir, c->destdir) != NULL)

		goto unlock;



	err = ovl_prep_cu_creds(c->dentry, &cc);

	if (err)

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