lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Thu, 05 Jul 2012 19:50:50 +0900
From:	Mitsuo Hayasaka <mitsuo.hayasaka.hu@...achi.com>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	fuse-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org, yrl.pp-manager.tt@...achi.com,
	Mitsuo Hayasaka <mitsuo.hayasaka.hu@...achi.com>,
	Miklos Szeredi <miklos@...redi.hu>
Subject: [RFC PATCH 2/5] fuse: do not create cache for fuse request allocation

The fuse_req_cachep was used for request allocation in fuse.
This patch does not create it since it is not used anymore
due to the tunable read/write request size in fuse.

Signed-off-by: Mitsuo Hayasaka <mitsuo.hayasaka.hu@...achi.com>
Cc: Miklos Szeredi <miklos@...redi.hu>
---

 fs/fuse/dev.c |   21 +--------------------
 1 files changed, 1 insertions(+), 20 deletions(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 511560b..4087ff4 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -23,8 +23,6 @@
 MODULE_ALIAS_MISCDEV(FUSE_MINOR);
 MODULE_ALIAS("devname:fuse");
 
-static struct kmem_cache *fuse_req_cachep;
-
 static struct fuse_conn *fuse_get_conn(struct file *file)
 {
 	/*
@@ -2075,27 +2073,10 @@ static struct miscdevice fuse_miscdevice = {
 
 int __init fuse_dev_init(void)
 {
-	int err = -ENOMEM;
-	fuse_req_cachep = kmem_cache_create("fuse_request",
-					    sizeof(struct fuse_req),
-					    0, 0, NULL);
-	if (!fuse_req_cachep)
-		goto out;
-
-	err = misc_register(&fuse_miscdevice);
-	if (err)
-		goto out_cache_clean;
-
-	return 0;
-
- out_cache_clean:
-	kmem_cache_destroy(fuse_req_cachep);
- out:
-	return err;
+	return misc_register(&fuse_miscdevice);
 }
 
 void fuse_dev_cleanup(void)
 {
 	misc_deregister(&fuse_miscdevice);
-	kmem_cache_destroy(fuse_req_cachep);
 }

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists