Messages in this thread Patch in this message | | | From | davej@redhat ... | Subject | [PATCH] sync iocb wakeup | Date | Mon, 11 Aug 2003 17:48:56 +0100 |
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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/
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