truncate.c

来自「嵌入式系统设计与实例开发源码」· C语言 代码 · 共 39 行

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/*  * QNX4 file system, Linux implementation. *  * Version : 0.1 *  * Using parts of the xiafs filesystem. *  * History : *  * 30-06-1998 by Frank DENIS : ugly filler. */#include <linux/config.h>#include <linux/types.h>#include <linux/errno.h>#include <linux/slab.h>#include <linux/qnx4_fs.h>#include <linux/fs.h>#include <linux/locks.h>#include <asm/uaccess.h>#ifdef CONFIG_QNX4FS_RWvoid qnx4_truncate(struct inode *inode){	if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||	      S_ISLNK(inode->i_mode))) {		return;	}	if (!(S_ISDIR(inode->i_mode))) {		/* TODO */	}	QNX4DEBUG(("qnx4: qnx4_truncate called\n"));	inode->i_mtime = inode->i_ctime = CURRENT_TIME;	mark_inode_dirty(inode);}#endif

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