http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/smb_fs.h

/* * smb_fs.h * * Copyright (C) 1995 by Paal-Kr. Engstad and Volker Lendecke * Copyright (C) 1997 by Volker Lendecke * */ #ifndef _LINUX_SMB_FS_H #define _LINUX_SMB_FS_H #include <linux/smb.h> #include <linux/smb_fs_i.h> #include <linux/smb_fs_sb.h> /* * ioctl commands */ #define SMB_IOC_GETMOUNTUID _IOR('u', 1, __kernel_old_uid_t) #define SMB_IOC_NEWCONN _IOW('u', 2, struct smb_conn_opt) /* __kernel_uid_t can never change, so we have to use __kernel_uid32_t */ #define SMB_IOC_GETMOUNTUID32 _IOR('u', 3, __kernel_uid32_t) #ifdef __KERNEL__ #include <linux/fs.h> #include <linux/pagemap.h> #include <linux/vmalloc.h> #include <linux/smb_mount.h> #include <asm/unaligned.h> static inline struct smb_sb_info *SMB_SB(struct super_block *sb) { return sb->s_fs_info; } static inline struct smb_inode_info *SMB_I(struct inode *inode) { return container_of(inode, struct smb_inode_info, vfs_inode); } /* macro names are short for word, double-word, long value (?) */ #define WVAL(buf,pos) \ (le16_to_cpu(get_unaligned((u16 *)((u8 *)(buf) + (pos))))) #define DVAL(buf,pos) \ (le32_to_cpu(get_unaligned((u32 *)((u8 *)(buf) + (pos))))) #define LVAL(buf,pos) \ (le64_to_cpu(get_unaligned((u64 *)((u8 *)(buf) + (pos))))) #define WSET(buf,pos,val) \ put_unaligned(cpu_to_le16((u16)(val)), (u16 *)((u8 *)(buf) + (pos))) #define DSET(buf,pos,val) \ put_unaligned(cpu_to_le32((u32)(val)), (u32 *)((u8 *)(buf) + (pos))) #define LSET(buf,pos,val) \ put_unaligned(cpu_to_le64((u64)(val)), (u64 *)((u8 *)(buf) + (pos))) /* where to find the base of the SMB packet proper */ #define smb_base(buf) ((u8 *)(((u8 *)(buf))+4)) /* * Flags for the in-memory inode */ #define SMB_F_LOCALWRITE 0x02 /* file modified locally */ /* NT1 protocol capability bits */ #define SMB_CAP_RAW_MODE 0x00000001 #define SMB_CAP_MPX_MODE 0x00000002 #define SMB_CAP_UNICODE 0x00000004 #define SMB_CAP_LARGE_FILES 0x00000008 #define SMB_CAP_NT_SMBS 0x00000010 #define SMB_CAP_RPC_REMOTE_APIS 0x00000020 #define SMB_CAP_STATUS32 0x00000040 #define SMB_CAP_LEVEL_II_OPLOCKS 0x00000080 #define SMB_CAP_LOCK_AND_READ 0x00000100 #define SMB_CAP_NT_FIND 0x00000200 #define SMB_CAP_DFS 0x00001000 #define SMB_CAP_LARGE_READX 0x00004000 #define SMB_CAP_LARGE_WRITEX 0x00008000 #define SMB_CAP_UNIX 0x00800000 /* unofficial ... */ /* * This is the time we allow an inode, dentry or dir cache to live. It is bad * for performance to have shorter ttl on an inode than on the cache. It can * cause refresh on each inode for a dir listing ... one-by-one */ #define SMB_MAX_AGE(server) (((server)->mnt->ttl * HZ) / 1000) static inline void smb_age_dentry(struct smb_sb_info *server, struct dentry *dentry) { dentry->d_time = jiffies - SMB_MAX_AGE(server); } struct smb_cache_head { time_t mtime; /* unused */ unsigned long time; /* cache age */ unsigned long end; /* last valid fpos in cache */ int eof; }; #define SMB_DIRCACHE_SIZE ((int)(PAGE_CACHE_SIZE/sizeof(struct dentry *))) union smb_dir_cache { struct smb_cache_head head; struct dentry *dentry[SMB_DIRCACHE_SIZE]; }; #define SMB_FIRSTCACHE_SIZE ((int)((SMB_DIRCACHE_SIZE * \ sizeof(struct dentry *) - sizeof(struct smb_cache_head)) / \ sizeof(struct dentry *))) #define SMB_DIRCACHE_START (SMB_DIRCACHE_SIZE - SMB_FIRSTCACHE_SIZE) struct smb_cache_control { struct smb_cache_head head; struct page *page; union smb_dir_cache *cache; unsigned long fpos, ofs; int filled, valid, idx; }; #define SMB_OPS_NUM_STATIC 5 struct smb_ops { int (*read)(struct inode *inode, loff_t offset, int count, char *data); int (*write)(struct inode *inode, loff_t offset, int count, const char *data); int (*readdir)(struct file *filp, void *dirent, filldir_t filldir, struct smb_cache_control *ctl); int (*getattr)(struct smb_sb_info *server, struct dentry *dir, struct smb_fattr *fattr); /* int (*setattr)(...); */ /* setattr is really icky! */ int (*truncate)(struct inode *inode, loff_t length); /* --- --- --- end of "static" entries --- --- --- */ int (*convert)(unsigned char *output, int olen, const unsigned char *input, int ilen, struct nls_table *nls_from, struct nls_table *nls_to); }; static inline int smb_is_open(struct inode *i) { return (SMB_I(i)->open == server_from_inode(i)->generation); } extern void smb_install_null_ops(struct smb_ops *); #endif /* __KERNEL__ */ #endif /* _LINUX_SMB_FS_H */