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From: Al Viro <viro@zeniv.linux.org.uk>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Subject: [PATCH] sockfs: switch to ->free_inode()
Date: Fri, 5 Jul 2019 20:13:22 +0100	[thread overview]
Message-ID: <20190705191322.GK17978@ZenIV.linux.org.uk> (raw)

we do have an RCU-delayed part there already (freeing the wq),
so it's not like the pipe situation; moreover, it might be
worth considering coallocating wq with the rest of struct sock_alloc.
->sk_wq in struct sock would remain a pointer as it is, but
the object it normally points to would be coallocated with
struct socket...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 net/socket.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/socket.c b/net/socket.c
index d97b74f762e8..541719a2443d 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -258,12 +258,12 @@ static struct inode *sock_alloc_inode(struct super_block *sb)
 	return &ei->vfs_inode;
 }
 
-static void sock_destroy_inode(struct inode *inode)
+static void sock_free_inode(struct inode *inode)
 {
 	struct socket_alloc *ei;
 
 	ei = container_of(inode, struct socket_alloc, vfs_inode);
-	kfree_rcu(ei->socket.wq, rcu);
+	kfree(ei->socket.wq);
 	kmem_cache_free(sock_inode_cachep, ei);
 }
 
@@ -288,7 +288,7 @@ static void init_inodecache(void)
 
 static const struct super_operations sockfs_ops = {
 	.alloc_inode	= sock_alloc_inode,
-	.destroy_inode	= sock_destroy_inode,
+	.free_inode	= sock_free_inode,
 	.statfs		= simple_statfs,
 };
 
-- 
2.11.0


             reply	other threads:[~2019-07-05 19:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-05 19:13 Al Viro [this message]
2019-07-05 19:14 ` [PATCH] coallocate socket_wq with socket itself Al Viro
2019-07-09  2:25   ` David Miller
2019-07-09  2:25 ` [PATCH] sockfs: switch to ->free_inode() David Miller

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