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linux-next/fs/nfs/netns.h
Christoph Hellwig e0d4ed71ca pnfs/blocklayout: serialize GETDEVICEINFO calls
The rpc_pipefs code isn't thread safe, leading to occasional use after
frees when running xfstests generic/241 (dbench).

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/1411740170-18611-2-git-send-email-hch@lst.de
Cc: stable@vger.kernel.org # 3.17.x
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2014-11-12 14:22:52 -05:00

41 lines
902 B
C

/*
* NFS-private data for each "struct net". Accessed with net_generic().
*/
#ifndef __NFS_NETNS_H__
#define __NFS_NETNS_H__
#include <linux/nfs4.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
struct bl_dev_msg {
int32_t status;
uint32_t major, minor;
};
struct nfs_net {
struct cache_detail *nfs_dns_resolve;
struct rpc_pipe *bl_device_pipe;
struct bl_dev_msg bl_mount_reply;
wait_queue_head_t bl_wq;
struct mutex bl_mutex;
struct list_head nfs_client_list;
struct list_head nfs_volume_list;
#if IS_ENABLED(CONFIG_NFS_V4)
struct idr cb_ident_idr; /* Protected by nfs_client_lock */
unsigned short nfs_callback_tcpport;
unsigned short nfs_callback_tcpport6;
int cb_users[NFS4_MAX_MINOR_VERSION + 1];
#endif
spinlock_t nfs_client_lock;
struct timespec boot_time;
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *proc_nfsfs;
#endif
};
extern int nfs_net_id;
#endif