From: Kinglong Mee <kinglongmee@gmail.com>
To: "J. Bruce Fields" <bfields@fieldses.org>,
Al Viro <viro@zeniv.linux.org.uk>,
linux-fsdevel@vger.kernel.org,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>,
NeilBrown <neilb@suse.de>
Cc: Trond Myklebust <trond.myklebust@primarydata.com>,
Steve Dickson <SteveD@redhat.com>,
kinglongmee@gmail.com
Subject: [PATCH 4/5 v2] sunrpc: New helper cache_force_expire for cache cleanup
Date: Sun, 24 May 2015 23:10:43 +0800 [thread overview]
Message-ID: <5561E9F3.8080806@gmail.com> (raw)
In-Reply-To: <5561E7E4.50604@gmail.com>
Using expiry_time force cleanup a cache.
v2, same as v1.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
---
include/linux/sunrpc/cache.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 437ddb6..ce75e9c 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -210,6 +210,17 @@ extern int cache_check(struct cache_detail *detail,
struct cache_head *h, struct cache_req *rqstp);
extern void cache_flush(void);
extern void cache_purge(struct cache_detail *detail);
+
+static inline void cache_force_expire(struct cache_detail *detail, struct cache_head *h)
+{
+ write_lock(&detail->hash_lock);
+ h->expiry_time = seconds_since_boot() - 1;
+ detail->nextcheck = seconds_since_boot();
+ write_unlock(&detail->hash_lock);
+
+ cache_flush();
+}
+
#define NEVER (0x7FFFFFFF)
extern void __init cache_initialize(void);
extern int cache_register_net(struct cache_detail *cd, struct net *net);
--
2.4.1
WARNING: multiple messages have this Message-ID (diff)
From: Kinglong Mee <kinglongmee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: "J. Bruce Fields"
<bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>,
Al Viro <viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
NeilBrown <neilb-l3A5Bk7waGM@public.gmane.org>
Cc: Trond Myklebust
<trond.myklebust-7I+n7zu2hftEKMMhf/gKZA@public.gmane.org>,
Steve Dickson <SteveD-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
kinglongmee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: [PATCH 4/5 v2] sunrpc: New helper cache_force_expire for cache cleanup
Date: Sun, 24 May 2015 23:10:43 +0800 [thread overview]
Message-ID: <5561E9F3.8080806@gmail.com> (raw)
In-Reply-To: <5561E7E4.50604-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Using expiry_time force cleanup a cache.
v2, same as v1.
Signed-off-by: Kinglong Mee <kinglongmee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
include/linux/sunrpc/cache.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 437ddb6..ce75e9c 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -210,6 +210,17 @@ extern int cache_check(struct cache_detail *detail,
struct cache_head *h, struct cache_req *rqstp);
extern void cache_flush(void);
extern void cache_purge(struct cache_detail *detail);
+
+static inline void cache_force_expire(struct cache_detail *detail, struct cache_head *h)
+{
+ write_lock(&detail->hash_lock);
+ h->expiry_time = seconds_since_boot() - 1;
+ detail->nextcheck = seconds_since_boot();
+ write_unlock(&detail->hash_lock);
+
+ cache_flush();
+}
+
#define NEVER (0x7FFFFFFF)
extern void __init cache_initialize(void);
extern int cache_register_net(struct cache_detail *cd, struct net *net);
--
2.4.1
--
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next prev parent reply other threads:[~2015-05-24 15:10 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-24 15:01 [PATCH 0/4 v2] NFSD: Pin to vfsmount for some nfsd exports cache Kinglong Mee
2015-05-24 15:01 ` Kinglong Mee
2015-05-24 15:10 ` [PATCH 1/5 v2] fs_pin: Fix uninitialized value in fs_pin Kinglong Mee
2015-05-24 15:10 ` Kinglong Mee
2015-05-24 15:10 ` [PATCH 2/5 v2] fs_pin: Export functions for specific filesystem Kinglong Mee
2015-05-24 15:10 ` Kinglong Mee
2015-05-24 15:10 ` [PATCH 3/5 v2] path: New helpers path_get_pin/path_put_unpin for path pin Kinglong Mee
2015-05-24 15:10 ` Kinglong Mee
2015-05-24 15:10 ` Kinglong Mee [this message]
2015-05-24 15:10 ` [PATCH 4/5 v2] sunrpc: New helper cache_force_expire for cache cleanup Kinglong Mee
2015-05-24 15:10 ` [PATCH 5/5] nfsd: allows user un-mounting filesystem where nfsd exports base on Kinglong Mee
2015-06-05 15:02 ` Al Viro
2015-06-06 2:21 ` Al Viro
2015-06-06 13:38 ` Kinglong Mee
2015-06-01 18:21 ` [PATCH 0/4 v2] NFSD: Pin to vfsmount for some nfsd exports cache J. Bruce Fields
2015-06-02 1:41 ` Kinglong Mee
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