per-superblock default ->d_op
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/dcache.c b/fs/dcache.c
index 5699d4c..5ec5826 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1320,6 +1320,7 @@
__dget_dlock(parent);
dentry->d_parent = parent;
dentry->d_sb = parent->d_sb;
+ d_set_d_op(dentry, dentry->d_sb->s_d_op);
list_add(&dentry->d_u.d_child, &parent->d_subdirs);
spin_unlock(&parent->d_lock);
}
@@ -1335,6 +1336,7 @@
struct dentry *dentry = d_alloc(NULL, name);
if (dentry) {
dentry->d_sb = sb;
+ d_set_d_op(dentry, dentry->d_sb->s_d_op);
dentry->d_parent = dentry;
dentry->d_flags |= DCACHE_DISCONNECTED;
}
@@ -1507,6 +1509,7 @@
res = d_alloc(NULL, &name);
if (res) {
res->d_sb = root_inode->i_sb;
+ d_set_d_op(res, res->d_sb->s_d_op);
res->d_parent = res;
d_instantiate(res, root_inode);
}
@@ -1567,6 +1570,7 @@
/* attach a disconnected dentry */
spin_lock(&tmp->d_lock);
tmp->d_sb = inode->i_sb;
+ d_set_d_op(tmp, tmp->d_sb->s_d_op);
tmp->d_inode = inode;
tmp->d_flags |= DCACHE_DISCONNECTED;
list_add(&tmp->d_alias, &inode->i_dentry);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index f84d992..3e4c274 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1423,6 +1423,7 @@
* generic_show_options()
*/
char __rcu *s_options;
+ const struct dentry_operations *s_d_op; /* default d_op for dentries */
};
extern struct timespec current_fs_time(struct super_block *sb);