From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: linux-kernel@vger.kernel.org, marcelo@conectiva.com
Subject: PATCH: add quota autoload
Date: Mon, 14 Jul 2003 13:28:33 +0100 [thread overview]
Message-ID: <200307141228.h6ECSXeP030955@hraefn.swansea.linux.org.uk> (raw)
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.22-pre5/fs/dquot.c linux.22-pre5-ac1/fs/dquot.c
--- linux.22-pre5/fs/dquot.c 2003-07-14 12:27:40.000000000 +0100
+++ linux.22-pre5-ac1/fs/dquot.c 2003-07-14 13:01:17.000000000 +0100
@@ -68,11 +68,13 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
+#include <linux/kmod.h>
#include <asm/uaccess.h>
static char *quotatypes[] = INITQFNAMES;
static struct quota_format_type *quota_formats; /* List of registered formats */
+static struct quota_module_name module_names[] = INIT_QUOTA_MODULE_NAMES;
int register_quota_format(struct quota_format_type *fmt)
{
@@ -100,8 +102,19 @@
lock_kernel();
for (actqf = quota_formats; actqf && actqf->qf_fmt_id != id; actqf = actqf->qf_next);
- if (actqf && !try_inc_mod_count(actqf->qf_owner))
- actqf = NULL;
+ if (!actqf || !try_inc_mod_count(actqf->qf_owner)) {
+ int qm;
+
+ for (qm = 0; module_names[qm].qm_fmt_id && module_names[qm].qm_fmt_id != id; qm++);
+ if (!module_names[qm].qm_fmt_id || request_module(module_names[qm].qm_mod_name)) {
+ actqf = NULL;
+ goto out;
+ }
+ for (actqf = quota_formats; actqf && actqf->qf_fmt_id != id; actqf = actqf->qf_next);
+ if (actqf && !try_inc_mod_count(actqf->qf_owner))
+ actqf = NULL;
+ }
+out:
unlock_kernel();
return actqf;
}
reply other threads:[~2003-07-14 12:33 UTC|newest]
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