lkml.org 
[lkml]   [2003]   [Aug]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] sync iocb wakeup
Date
if ki_users = 1, we don't do the wakeup, which seems wrong.

diff -urpN --exclude-from=/home/davej/.exclude bk-linus/fs/aio.c linux-2.5/fs/aio.c
--- bk-linus/fs/aio.c 2003-07-11 13:57:40.000000000 +0100
+++ linux-2.5/fs/aio.c 2003-07-16 02:34:59.000000000 +0100
@@ -639,13 +639,13 @@ int aio_complete(struct kiocb *iocb, lon
iocb->ki_user_data = res;
if (iocb->ki_users == 1) {
iocb->ki_users = 0;
- return 1;
+ ret = 1;
+ } else {
+ spin_lock_irq(&ctx->ctx_lock);
+ iocb->ki_users--;
+ ret = (0 == iocb->ki_users);
+ spin_unlock_irq(&ctx->ctx_lock);
}
- spin_lock_irq(&ctx->ctx_lock);
- iocb->ki_users--;
- ret = (0 == iocb->ki_users);
- spin_unlock_irq(&ctx->ctx_lock);
-
/* sync iocbs put the task here for us */
wake_up_process(iocb->ki_user_obj);
return ret;
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-03-22 13:47    [W:0.021 / U:0.340 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site