Merge git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-async-2
* git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-async-2:
async: make async a command line option for now
partial revert of asynchronous inode delete
diff --git a/fs/inode.c b/fs/inode.c
index 0013ac1..913ab2d 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1139,11 +1139,16 @@
* I_FREEING is set so that no-one will take a new reference to the inode while
* it is being deleted.
*/
-static void generic_delete_inode_async(void *data, async_cookie_t cookie)
+void generic_delete_inode(struct inode *inode)
{
- struct inode *inode = data;
const struct super_operations *op = inode->i_sb->s_op;
+ list_del_init(&inode->i_list);
+ list_del_init(&inode->i_sb_list);
+ inode->i_state |= I_FREEING;
+ inodes_stat.nr_inodes--;
+ spin_unlock(&inode_lock);
+
security_inode_delete(inode);
if (op->delete_inode) {
@@ -1167,16 +1172,6 @@
destroy_inode(inode);
}
-void generic_delete_inode(struct inode *inode)
-{
- list_del_init(&inode->i_list);
- list_del_init(&inode->i_sb_list);
- inode->i_state |= I_FREEING;
- inodes_stat.nr_inodes--;
- spin_unlock(&inode_lock);
- async_schedule_special(generic_delete_inode_async, inode, &inode->i_sb->s_async_list);
-}
-
EXPORT_SYMBOL(generic_delete_inode);
static void generic_forget_inode(struct inode *inode)
diff --git a/kernel/async.c b/kernel/async.c
index 64cc916..f286e9f 100644
--- a/kernel/async.c
+++ b/kernel/async.c
@@ -65,6 +65,8 @@
static LIST_HEAD(async_running);
static DEFINE_SPINLOCK(async_lock);
+static int async_enabled = 0;
+
struct async_entry {
struct list_head list;
async_cookie_t cookie;
@@ -169,7 +171,7 @@
* If we're out of memory or if there's too much work
* pending already, we execute synchronously.
*/
- if (!entry || atomic_read(&entry_count) > MAX_WORK) {
+ if (!async_enabled || !entry || atomic_read(&entry_count) > MAX_WORK) {
kfree(entry);
spin_lock_irqsave(&async_lock, flags);
newcookie = next_cookie++;
@@ -316,8 +318,18 @@
static int __init async_init(void)
{
- kthread_run(async_manager_thread, NULL, "async/mgr");
+ if (async_enabled)
+ kthread_run(async_manager_thread, NULL, "async/mgr");
return 0;
}
+static int __init setup_async(char *str)
+{
+ async_enabled = 1;
+ return 1;
+}
+
+__setup("fastboot", setup_async);
+
+
core_initcall(async_init);