Commit f30536f0 authored Nov 01, 2017 by Amir Goldstein Committed by Miklos Szeredi Nov 09, 2017

ovl: update cache version of impure parent on rename



ovl_rename() updates dir cache version for impure old parent if an entry
with copy up origin is moved into old parent, but it did not update
cache version if the entry moved out of old parent has a copy up origin.

[SzM] Same for new dir: we updated the version if an entry with origin was
moved in, but not if an entry with origin was moved out.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

parent a0c5ad30

fs/overlayfs/dir.c

+4 −3

Original line number	Diff line number	Diff line
		@@ -1075,9 +1075,10 @@ static int ovl_rename(struct inode olddir, struct dentry old,
		drop_nlink(d_inode(new));
		}

		ovl_dentry_version_inc(old->d_parent,
		!overwrite && ovl_type_origin(new));
		ovl_dentry_version_inc(new->d_parent, ovl_type_origin(old));
		ovl_dentry_version_inc(old->d_parent, ovl_type_origin(old) \|\|
		(!overwrite && ovl_type_origin(new)));
		ovl_dentry_version_inc(new->d_parent, ovl_type_origin(old) \|\|
		(d_inode(new) && ovl_type_origin(new)));

		out_dput:
		dput(newdentry);

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