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Diffstat (limited to 'fs/overlayfs/util.c')
-rw-r--r--fs/overlayfs/util.c40
1 files changed, 18 insertions, 22 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 042f7eb4f7f4..36b60788ee47 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -93,8 +93,24 @@ struct ovl_entry *ovl_alloc_entry(unsigned int numlower)
bool ovl_dentry_remote(struct dentry *dentry)
{
return dentry->d_flags &
- (DCACHE_OP_REVALIDATE | DCACHE_OP_WEAK_REVALIDATE |
- DCACHE_OP_REAL);
+ (DCACHE_OP_REVALIDATE | DCACHE_OP_WEAK_REVALIDATE);
+}
+
+void ovl_dentry_update_reval(struct dentry *dentry, struct dentry *upperdentry,
+ unsigned int mask)
+{
+ struct ovl_entry *oe = OVL_E(dentry);
+ unsigned int i, flags = 0;
+
+ if (upperdentry)
+ flags |= upperdentry->d_flags;
+ for (i = 0; i < oe->numlower; i++)
+ flags |= oe->lowerstack[i].dentry->d_flags;
+
+ spin_lock(&dentry->d_lock);
+ dentry->d_flags &= ~mask;
+ dentry->d_flags |= flags & mask;
+ spin_unlock(&dentry->d_lock);
}
bool ovl_dentry_weird(struct dentry *dentry)
@@ -386,24 +402,6 @@ void ovl_dentry_set_redirect(struct dentry *dentry, const char *redirect)
oi->redirect = redirect;
}
-void ovl_inode_init(struct inode *inode, struct dentry *upperdentry,
- struct dentry *lowerdentry, struct dentry *lowerdata)
-{
- struct inode *realinode = d_inode(upperdentry ?: lowerdentry);
-
- if (upperdentry)
- OVL_I(inode)->__upperdentry = upperdentry;
- if (lowerdentry)
- OVL_I(inode)->lower = igrab(d_inode(lowerdentry));
- if (lowerdata)
- OVL_I(inode)->lowerdata = igrab(d_inode(lowerdata));
-
- ovl_copyattr(realinode, inode);
- ovl_copyflags(realinode, inode);
- if (!inode->i_ino)
- inode->i_ino = realinode->i_ino;
-}
-
void ovl_inode_update(struct inode *inode, struct dentry *upperdentry)
{
struct inode *upperinode = d_inode(upperdentry);
@@ -416,8 +414,6 @@ void ovl_inode_update(struct inode *inode, struct dentry *upperdentry)
smp_wmb();
OVL_I(inode)->__upperdentry = upperdentry;
if (inode_unhashed(inode)) {
- if (!inode->i_ino)
- inode->i_ino = upperinode->i_ino;
inode->i_private = upperinode;
__insert_inode_hash(inode, (unsigned long) upperinode);
}