用于确定文件路径#definef_dentry f_path.dentry//f_path的成员之一,当统的挂载根目录conststructfile_operations//*f_op; 与该文件相关联的操作函数atomic_t f_count;//文件的
565structfile {566structlist_head f_list;567structdentry *f_dentry;568structvfsmount *f_vfsmnt;569structfile_operations *f_op;570atomic_t f_count;571unsignedintf_flags;572mode_t f_mode;573loff_t f_pos;574unsignedlongf_reada, f_ramax, f_raend, f_ralen, f_rawin;575structfown_struct...
应当检查读/写许可, 使用 f_mode 而不是f_flags. 所有的标志在头文件<linux/fcntl.h> 中定义. 4.struct file_operations *f_op; 和文件关联的操作. 内核安排指针作为它的open 实现的一部分, 接着读取它当它需要分派任何的操作时. filp->f_op 中的值从不由内核保存为后面的引用; 这意味 着你可改变你...
565struct file{566struct list_head f_list;567struct dentry*f_dentry;568struct vfsmount*f_vfsmnt;569struct file_operations*f_op;570atomic_t f_count;571unsigned int f_flags;572mode_t f_mode;573loff_t f_pos;574unsigned long f_reada,f_ramax,f_raend,f_ralen,f_rawin;575struct fown_st...
structfile{structfile_ra_statef_ra;structpathf_path;structinode*f_inode;/* cached value */conststructfile_operations*f_op;structaddress_space*f_mapping;atomic_tf_count;// open时额外传递的参数,像阻塞之类的unsignedintf_flags;// 打开文件时传递的参数,读、写等mode_tf_mode;// 文件起始处到当前...
FFlag Property Reference Feedback Definition Namespace: Android.Systems Assembly: Mono.Android.dll Bit mask of ST_* flags. [Android.Runtime.Register("f_flag")] public long FFlag { get; set; } Property Value Int64 Attributes RegisterAttribute Remarks Bit mask of ST_* flags. Java ...
atomic_long_t f_count;unsigned int f_flags;fmode_t f_mode;loff_t f_pos;struct fown_struct f_owner;const struct cred*f_cred;struct file_ra_state f_ra;u64f_version;#ifdef CONFIG_SECURITY void*f_security;#endif void*private_data;#ifdef CONFIG_EPOLL struct list_head f_ep_links;#endif...
f_count; unsigned int f_flags; fmode_t f_mode; loff_t f_pos; struct fown_struct f_owner; const struct cred *f_cred; struct file_ra_state f_ra; u64 f_version; #ifdef CONFIG_SECURITY void *f_security; #endif void *private_data; #ifdef CONFIG_EPOLL struct list_head f_ep_links...
vfsmnt;/*指向VFS安装点的指针*/structfile_operations*f_op;/*指向文件操作表的指针*/mode_tf_mode...
structfile结构体定义在中,完整如下:引用structfile{union{structlist_headfu_list;structrcu_headfu_rcuhead;}f_u;structpathf_path;#definef_dentryf_path.dentry#definef_vfsmntf_path.mntconststructfile_operations*f_op;spinlock_tf_lock;atomic_long_tf_count;unsignedintf_flags;fmode_tf_mode;loff_tf_...