trim free_fdtable_rcu()
embedded case isn't hit anymore
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/file.c b/fs/file.c
index 533fa5d..4ce4a0f 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -90,16 +90,8 @@
struct fdtable_defer *fddef;
BUG_ON(!fdt);
+ BUG_ON(fdt->max_fds <= NR_OPEN_DEFAULT);
- if (fdt->max_fds <= NR_OPEN_DEFAULT) {
- /*
- * This fdtable is embedded in the files structure and that
- * structure itself is getting destroyed.
- */
- kmem_cache_free(files_cachep,
- container_of(fdt, struct files_struct, fdtab));
- return;
- }
if (!is_vmalloc_addr(fdt->fd) && !is_vmalloc_addr(fdt->open_fds)) {
kfree(fdt->fd);
kfree(fdt->open_fds);
@@ -116,11 +108,6 @@
}
}
-static inline void free_fdtable(struct fdtable *fdt)
-{
- call_rcu(&fdt->rcu, free_fdtable_rcu);
-}
-
/*
* Expand the fdset in the files_struct. Called with the files spinlock
* held for write.
@@ -234,7 +221,7 @@
copy_fdtable(new_fdt, cur_fdt);
rcu_assign_pointer(files->fdt, new_fdt);
if (cur_fdt->max_fds > NR_OPEN_DEFAULT)
- free_fdtable(cur_fdt);
+ call_rcu(&cur_fdt->rcu, free_fdtable_rcu);
} else {
/* Somebody else expanded, so undo our attempt */
__free_fdtable(new_fdt);