[mirror_ubuntu-bionic-kernel.git] / include / linux / nfs_fs_sb.h

#ifndef _NFS_FS_SB
#define _NFS_FS_SB

#include <linux/list.h>
#include <linux/backing-dev.h>

struct nfs_iostats;

/*
 * NFS client parameters stored in the superblock.
 */
struct nfs_server {
	struct rpc_clnt *	client;		/* RPC client handle */
	struct rpc_clnt *	client_sys;	/* 2nd handle for FSINFO */
	struct rpc_clnt *	client_acl;	/* ACL RPC client handle */
	struct nfs_rpc_ops *	rpc_ops;	/* NFS protocol vector */
	struct nfs_iostats *	io_stats;	/* I/O statistics */
	struct backing_dev_info	backing_dev_info;
	int			flags;		/* various flags */
	unsigned int		caps;		/* server capabilities */
	unsigned int		rsize;		/* read size */
	unsigned int		rpages;		/* read size (in pages) */
	unsigned int		wsize;		/* write size */
	unsigned int		wpages;		/* write size (in pages) */
	unsigned int		wtmult;		/* server disk block size */
	unsigned int		dtsize;		/* readdir size */
	unsigned int		bsize;		/* server block size */
	unsigned int		acregmin;	/* attr cache timeouts */
	unsigned int		acregmax;
	unsigned int		acdirmin;
	unsigned int		acdirmax;
	unsigned long		retrans_timeo;	/* retransmit timeout */
	unsigned int		retrans_count;	/* number of retransmit tries */
	unsigned int		namelen;
	char *			hostname;	/* remote hostname */
	struct nfs_fh		fh;
	struct sockaddr_in	addr;
	struct nfs_fsid		fsid;
	unsigned long		mount_time;	/* when this fs was mounted */
#ifdef CONFIG_NFS_V4
	/* Our own IP address, as a null-terminated string.
	 * This is used to generate the clientid, and the callback address.
	 */
	char			ip_addr[16];
	char *			mnt_path;
	struct nfs_client *	nfs_client;	/* all NFSv4 state starts here */
	struct list_head	nfs4_siblings;	/* List of other nfs_server structs
						 * that share the same clientid
						 */
	u32			attr_bitmask[2];/* V4 bitmask representing the set
						   of attributes supported on this
						   filesystem */
	u32			acl_bitmask;	/* V4 bitmask representing the ACEs
						   that are supported on this
						   filesystem */
#endif
};

/* Server capabilities */
#define NFS_CAP_READDIRPLUS	(1U << 0)
#define NFS_CAP_HARDLINKS	(1U << 1)
#define NFS_CAP_SYMLINKS	(1U << 2)
#define NFS_CAP_ACLS		(1U << 3)
#define NFS_CAP_ATOMIC_OPEN	(1U << 4)

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef _NFS_FS_SB
	2	#define _NFS_FS_SB
	3
	4	#include <linux/list.h>
	5	#include <linux/backing-dev.h>
	6
d9ef5a8c CL	7	struct nfs_iostats;
d9ef5a8c CL	8
1da177e4 LT	9	/*
	10	* NFS client parameters stored in the superblock.
	11	*/
	12	struct nfs_server {
	13	struct rpc_clnt * client; /* RPC client handle */
	14	struct rpc_clnt * client_sys; /* 2nd handle for FSINFO */
b7fa0554	15	struct rpc_clnt * client_acl; /* ACL RPC client handle */
1da177e4	16	struct nfs_rpc_ops * rpc_ops; /* NFS protocol vector */
d9ef5a8c	17	struct nfs_iostats * io_stats; /* I/O statistics */
1da177e4 LT	18	struct backing_dev_info backing_dev_info;
	19	int flags; /* various flags */
	20	unsigned int caps; /* server capabilities */
	21	unsigned int rsize; /* read size */
	22	unsigned int rpages; /* read size (in pages) */
	23	unsigned int wsize; /* write size */
	24	unsigned int wpages; /* write size (in pages) */
	25	unsigned int wtmult; /* server disk block size */
	26	unsigned int dtsize; /* readdir size */
	27	unsigned int bsize; /* server block size */
	28	unsigned int acregmin; /* attr cache timeouts */
	29	unsigned int acregmax;
	30	unsigned int acdirmin;
	31	unsigned int acdirmax;
7a480e25 CL	32	unsigned long retrans_timeo; /* retransmit timeout */
7a480e25 CL	33	unsigned int retrans_count; /* number of retransmit tries */
1da177e4 LT	34	unsigned int namelen;
	35	char * hostname; /* remote hostname */
	36	struct nfs_fh fh;
	37	struct sockaddr_in addr;
8b4bdcf8	38	struct nfs_fsid fsid;
67ec9f46	39	unsigned long mount_time; /* when this fs was mounted */
1da177e4 LT	40	#ifdef CONFIG_NFS_V4
	41	/* Our own IP address, as a null-terminated string.
	42	* This is used to generate the clientid, and the callback address.
	43	*/
	44	char ip_addr[16];
	45	char * mnt_path;
7539bbab	46	struct nfs_client * nfs_client; /* all NFSv4 state starts here */
1da177e4 LT	47	struct list_head nfs4_siblings; /* List of other nfs_server structs
	48	* that share the same clientid
	49	*/
	50	u32 attr_bitmask[2];/* V4 bitmask representing the set
	51	of attributes supported on this
	52	filesystem */
	53	u32 acl_bitmask; /* V4 bitmask representing the ACEs
	54	that are supported on this
	55	filesystem */
	56	#endif
	57	};
	58
	59	/* Server capabilities */
	60	#define NFS_CAP_READDIRPLUS (1U << 0)
	61	#define NFS_CAP_HARDLINKS (1U << 1)
	62	#define NFS_CAP_SYMLINKS (1U << 2)
	63	#define NFS_CAP_ACLS (1U << 3)
	64	#define NFS_CAP_ATOMIC_OPEN (1U << 4)
	65
	66	#endif