summaryrefslogtreecommitdiff
path: root/fs/overlayfs/super.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2016-03-07 15:23:25 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-07 15:23:25 -0800
commit01ffa3df223c061435dfaab8daba7c0109a3c6d5 (patch)
treeac7ace5912e080eda1d01b1539278273f5daa45e /fs/overlayfs/super.c
parent256faedcfd646161477d47a1a78c32a562d2e845 (diff)
parentb81de061fa59f17d2730aabb1b84419ef3913810 (diff)
Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fixes from Miklos Szeredi: "Overlayfs bug fixes. All marked as -stable material" * 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: ovl: copy new uid/gid into overlayfs runtime inode ovl: ignore lower entries when checking purity of non-directory entries ovl: fix getcwd() failure after unsuccessful rmdir ovl: fix working on distributed fs as lower layer
Diffstat (limited to 'fs/overlayfs/super.c')
-rw-r--r--fs/overlayfs/super.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 8d826bd56b26..619ad4b016d2 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -76,12 +76,14 @@ enum ovl_path_type ovl_path_type(struct dentry *dentry)
if (oe->__upperdentry) {
type = __OVL_PATH_UPPER;
- if (oe->numlower) {
- if (S_ISDIR(dentry->d_inode->i_mode))
- type |= __OVL_PATH_MERGE;
- } else if (!oe->opaque) {
+ /*
+ * Non-dir dentry can hold lower dentry from previous
+ * location. Its purity depends only on opaque flag.
+ */
+ if (oe->numlower && S_ISDIR(dentry->d_inode->i_mode))
+ type |= __OVL_PATH_MERGE;
+ else if (!oe->opaque)
type |= __OVL_PATH_PURE;
- }
} else {
if (oe->numlower > 1)
type |= __OVL_PATH_MERGE;
@@ -341,6 +343,7 @@ static const struct dentry_operations ovl_dentry_operations = {
static const struct dentry_operations ovl_reval_dentry_operations = {
.d_release = ovl_dentry_release,
+ .d_select_inode = ovl_d_select_inode,
.d_revalidate = ovl_dentry_revalidate,
.d_weak_revalidate = ovl_dentry_weak_revalidate,
};