cifsfs.c File Reference

#include <linux/module.h>
#include <linux/fs.h>
#include <linux/mount.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/seq_file.h>
#include <linux/vfs.h>
#include <linux/mempool.h>
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/namei.h>
#include <linux/random.h>
#include <net/ipv6.h>
#include "cifsfs.h"
#include "cifspdu.h"
#include "cifsglob.h"
#include "cifsproto.h"
#include "cifs_debug.h"
#include "cifs_fs_sb.h"
#include <linux/mm.h>
#include <linux/key-type.h>
#include "cifs_spnego.h"
#include "fscache.h"

Go to the source code of this file.

Macros
#define	DECLARE_GLOBALS_HERE

Functions
	module_param (CIFSMaxBufSize, int, 0)
	MODULE_PARM_DESC (CIFSMaxBufSize,"Network buffer size (not including header). ""Default: 16384 Range: 8192 to 130048")
	module_param (cifs_min_rcv, int, 0)
	MODULE_PARM_DESC (cifs_min_rcv,"Network buffers in pool. Default: 4 Range: ""1 to 64")
	module_param (cifs_min_small, int, 0)
	MODULE_PARM_DESC (cifs_min_small,"Small network buffers in pool. Default: 30 ""Range: 2 to 256")
	module_param (cifs_max_pending, int, 0444)
	MODULE_PARM_DESC (cifs_max_pending,"Simultaneous requests to server. ""Default: 32767 Range: 2 to 32767.")
	module_param (enable_oplocks, bool, 0644)
	MODULE_PARM_DESC (enable_oplocks,"Enable or disable oplocks (bool). Default:""y/Y/1")
	MODULE_AUTHOR ("Steve French <[email protected]>")
	MODULE_LICENSE ("GPL")
	MODULE_DESCRIPTION ("VFS to access servers complying with the SNIA CIFS Specification ""e.g. Samba and Windows")
	MODULE_VERSION (CIFS_VERSION)

Variables
int	cifsFYI = 0
int	cifsERROR = 1
int	traceSMB = 0
bool	enable_oplocks = true
unsigned int	linuxExtEnabled = 1
unsigned int	lookupCacheEnabled = 1
unsigned int	global_secflags = CIFSSEC_DEF
unsigned int	sign_CIFS_PDUs = 1
unsigned int	CIFSMaxBufSize = CIFS_MAX_MSGSIZE
unsigned int	cifs_min_rcv = CIFS_MIN_RCV_POOL
unsigned int	cifs_min_small = 30
unsigned int	cifs_max_pending = CIFS_MAX_REQ
mempool_t *	cifs_sm_req_poolp
mempool_t *	cifs_req_poolp
mempool_t *	cifs_mid_poolp
struct workqueue_struct *	cifsiod_wq
struct file_system_type	cifs_fs_type
struct inode_operations	cifs_dir_inode_ops
struct inode_operations	cifs_file_inode_ops
struct inode_operations	cifs_symlink_inode_ops
struct file_operations	cifs_file_ops
struct file_operations	cifs_file_strict_ops
struct file_operations	cifs_file_direct_ops
struct file_operations	cifs_file_nobrl_ops
struct file_operations	cifs_file_strict_nobrl_ops
struct file_operations	cifs_file_direct_nobrl_ops
struct file_operations	cifs_dir_ops

Macro Definition Documentation

#define DECLARE_GLOBALS_HERE

Definition at line 43 of file cifsfs.c.

Function Documentation

MODULE_AUTHOR

(

"Steve French <[email protected]>"

)

MODULE_DESCRIPTION

(

"VFS to access servers complying with the SNIA CIFS Specification ""e.g. Samba and Windows"

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	CIFSMaxBufSize	,
		int	,
		0
	)

module_param	(	cifs_min_rcv	,
		int	,
		0
	)

module_param	(	cifs_min_small	,
		int	,
		0
	)

module_param	(	cifs_max_pending	,
		int	,
		0444
	)

module_param	(	enable_oplocks	,
		bool	,
		0644
	)

MODULE_PARM_DESC	(	CIFSMaxBufSize	,
		"Network buffer size (not including header). ""Default: 16384 Range: 8192 to 130048"
	)

MODULE_PARM_DESC	(	cifs_min_rcv	,
		"Network buffers in pool. Default: 4 Range: ""1 to 64"
	)

MODULE_PARM_DESC	(	cifs_min_small	,
		"Small network buffers in pool. Default: 30 ""Range: 2 to 256"
	)

MODULE_PARM_DESC	(	cifs_max_pending	,
		"Simultaneous requests to server. ""Default: 32767 Range: 2 to 32767."
	)

MODULE_PARM_DESC	(	enable_oplocks	,
		"Enable or disable oplocks (bool). Default:""y/Y/1"
	)

MODULE_VERSION

(

CIFS_VERSION

)

Variable Documentation

struct inode_operations cifs_dir_inode_ops

Initial value:

= {
    .create = cifs_create,
    .atomic_open = cifs_atomic_open,
    .lookup = cifs_lookup,
    .getattr = cifs_getattr,
    .unlink = cifs_unlink,
    .link = cifs_hardlink,
    .mkdir = cifs_mkdir,
    .rmdir = cifs_rmdir,
    .rename = cifs_rename,
    .permission = cifs_permission,

    .setattr = cifs_setattr,
    .symlink = cifs_symlink,
    .mknod   = cifs_mknod,






}

Definition at line 771 of file cifsfs.c.

struct file_operations cifs_dir_ops

Initial value:

= {
    .readdir = cifs_readdir,
    .release = cifs_closedir,
    .read    = generic_read_dir,
    .unlocked_ioctl  = cifs_ioctl,
    .llseek = generic_file_llseek,
}

Definition at line 937 of file cifsfs.c.

struct file_operations cifs_file_direct_nobrl_ops

Initial value:

= {
    
    .read = do_sync_read,
    .write = do_sync_write,
    .aio_read = cifs_user_readv,
    .aio_write = cifs_user_writev,
    .open = cifs_open,
    .release = cifs_close,
    .fsync = cifs_fsync,
    .flush = cifs_flush,
    .mmap = cifs_file_mmap,
    .splice_read = generic_file_splice_read,


 
    .llseek = cifs_llseek,
    .setlease = cifs_setlease,
}

Definition at line 918 of file cifsfs.c.

struct file_operations cifs_file_direct_ops

Initial value:

= {
    
    .read = do_sync_read,
    .write = do_sync_write,
    .aio_read = cifs_user_readv,
    .aio_write = cifs_user_writev,
    .open = cifs_open,
    .release = cifs_close,
    .lock = cifs_lock,
    .fsync = cifs_fsync,
    .flush = cifs_flush,
    .mmap = cifs_file_mmap,
    .splice_read = generic_file_splice_read,


 
    .llseek = cifs_llseek,
    .setlease = cifs_setlease,
}

Definition at line 862 of file cifsfs.c.

struct inode_operations cifs_file_inode_ops

Initial value:

= {

    .setattr = cifs_setattr,
    .getattr = cifs_getattr, 
    .rename = cifs_rename,
    .permission = cifs_permission,






}

Definition at line 794 of file cifsfs.c.

struct file_operations cifs_file_nobrl_ops

Initial value:

= {
    .read = do_sync_read,
    .write = do_sync_write,
    .aio_read = generic_file_aio_read,
    .aio_write = cifs_file_aio_write,
    .open = cifs_open,
    .release = cifs_close,
    .fsync = cifs_fsync,
    .flush = cifs_flush,
    .mmap  = cifs_file_mmap,
    .splice_read = generic_file_splice_read,
    .llseek = cifs_llseek,


 
    .setlease = cifs_setlease,
}

Definition at line 882 of file cifsfs.c.

struct file_operations cifs_file_ops

Initial value:

= {
    .read = do_sync_read,
    .write = do_sync_write,
    .aio_read = generic_file_aio_read,
    .aio_write = cifs_file_aio_write,
    .open = cifs_open,
    .release = cifs_close,
    .lock = cifs_lock,
    .fsync = cifs_fsync,
    .flush = cifs_flush,
    .mmap  = cifs_file_mmap,
    .splice_read = generic_file_splice_read,
    .llseek = cifs_llseek,


 
    .setlease = cifs_setlease,
}

Definition at line 824 of file cifsfs.c.

struct file_operations cifs_file_strict_nobrl_ops

Initial value:

= {
    .read = do_sync_read,
    .write = do_sync_write,
    .aio_read = cifs_strict_readv,
    .aio_write = cifs_strict_writev,
    .open = cifs_open,
    .release = cifs_close,
    .fsync = cifs_strict_fsync,
    .flush = cifs_flush,
    .mmap = cifs_file_strict_mmap,
    .splice_read = generic_file_splice_read,
    .llseek = cifs_llseek,


 
    .setlease = cifs_setlease,
}

Definition at line 900 of file cifsfs.c.

struct file_operations cifs_file_strict_ops

Initial value:

= {
    .read = do_sync_read,
    .write = do_sync_write,
    .aio_read = cifs_strict_readv,
    .aio_write = cifs_strict_writev,
    .open = cifs_open,
    .release = cifs_close,
    .lock = cifs_lock,
    .fsync = cifs_strict_fsync,
    .flush = cifs_flush,
    .mmap = cifs_file_strict_mmap,
    .splice_read = generic_file_splice_read,
    .llseek = cifs_llseek,


 
    .setlease = cifs_setlease,
}

Definition at line 843 of file cifsfs.c.

struct file_system_type cifs_fs_type

Initial value:

= {
    .owner = THIS_MODULE,
    .name = "cifs",
    .mount = cifs_do_mount,
    .kill_sb = cifs_kill_sb,
    
}

Definition at line 764 of file cifsfs.c.

unsigned int cifs_max_pending = CIFS_MAX_REQ

Definition at line 78 of file cifsfs.c.

mempool_t * cifs_mid_poolp

Definition at line 215 of file cifsfs.c.

unsigned int cifs_min_rcv = CIFS_MIN_RCV_POOL

Definition at line 70 of file cifsfs.c.

unsigned int cifs_min_small = 30

Definition at line 74 of file cifsfs.c.

mempool_t * cifs_req_poolp

Definition at line 214 of file cifsfs.c.

mempool_t * cifs_sm_req_poolp

Definition at line 213 of file cifsfs.c.

struct inode_operations cifs_symlink_inode_ops

Initial value:

= {
    .readlink = generic_readlink,
    .follow_link = cifs_follow_link,
    .put_link = cifs_put_link,
    .permission = cifs_permission,
    
    






}

Definition at line 808 of file cifsfs.c.

int cifsERROR = 1

Definition at line 57 of file cifsfs.c.

int cifsFYI = 0

Definition at line 56 of file cifsfs.c.

struct workqueue_struct* cifsiod_wq

Definition at line 90 of file cifsfs.c.

unsigned int CIFSMaxBufSize = CIFS_MAX_MSGSIZE

Definition at line 66 of file cifsfs.c.

bool enable_oplocks = true

Definition at line 59 of file cifsfs.c.

unsigned int global_secflags = CIFSSEC_DEF

Definition at line 62 of file cifsfs.c.

unsigned int linuxExtEnabled = 1

Definition at line 60 of file cifsfs.c.

unsigned int lookupCacheEnabled = 1

Definition at line 61 of file cifsfs.c.

unsigned int sign_CIFS_PDUs = 1

Definition at line 64 of file cifsfs.c.

int traceSMB = 0

Definition at line 58 of file cifsfs.c.