#include <linux/string.h>
#include <linux/mm.h>
#include <linux/fs.h>
+#include <linux/fscrypt.h>
#include <linux/fsnotify.h>
#include <linux/slab.h>
#include <linux/init.h>
void take_dentry_name_snapshot(struct name_snapshot *name, struct dentry *dentry)
{
spin_lock(&dentry->d_lock);
+ name->name = dentry->d_name;
if (unlikely(dname_external(dentry))) {
- struct external_name *p = external_name(dentry);
- atomic_inc(&p->u.count);
- spin_unlock(&dentry->d_lock);
- name->name = p->name;
+ atomic_inc(&external_name(dentry)->u.count);
} else {
memcpy(name->inline_name, dentry->d_iname,
dentry->d_name.len + 1);
- spin_unlock(&dentry->d_lock);
- name->name = name->inline_name;
+ name->name.name = name->inline_name;
}
+ spin_unlock(&dentry->d_lock);
}
EXPORT_SYMBOL(take_dentry_name_snapshot);
void release_dentry_name_snapshot(struct name_snapshot *name)
{
- if (unlikely(name->name != name->inline_name)) {
+ if (unlikely(name->name.name != name->inline_name)) {
struct external_name *p;
- p = container_of(name->name, struct external_name, name[0]);
+ p = container_of(name->name.name, struct external_name, name[0]);
if (unlikely(atomic_dec_and_test(&p->u.count)))
kfree_rcu(p, u.head);
}
* never be anyone's children or parents. Unlike all other
* dentries, these will not have RCU delay between dropping the
* last reference and freeing them.
+ *
+ * The only user is alloc_file_pseudo() and that's what should
+ * be considered a public interface. Don't use directly.
*/
struct dentry *d_alloc_pseudo(struct super_block *sb, const struct qstr *name)
{
dentry->d_flags |= DCACHE_NORCU;
return dentry;
}
-EXPORT_SYMBOL(d_alloc_pseudo);
struct dentry *d_alloc_name(struct dentry *parent, const char *name)
{
list_move(&dentry->d_child, &dentry->d_parent->d_subdirs);
__d_rehash(dentry);
fsnotify_update_flags(dentry);
+ fscrypt_handle_d_move(dentry);
write_seqcount_end(&target->d_seq);
write_seqcount_end(&dentry->d_seq);