linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 *  linux/fs/stat.c

 *

 *  Copyright (C) 1991, 1992  Linus Torvalds

 */

​

#include <linux/export.h>

#include <linux/mm.h>

#include <linux/errno.h>

#include <linux/file.h>

#include <linux/highuid.h>

#include <linux/fs.h>

#include <linux/namei.h>

#include <linux/security.h>

#include <linux/cred.h>

#include <linux/syscalls.h>

#include <linux/pagemap.h>

#include <linux/compat.h>

​

#include <linux/uaccess.h>

#include <asm/unistd.h>

​

/**

 * generic_fillattr - Fill in the basic attributes from the inode struct

 * @inode: Inode to use as the source

 * @stat: Where to fill in the attributes

 *

 * Fill in the basic attributes in the kstat structure from data that's to be

 * found on the VFS inode structure.  This is the default if no getattr inode

 * operation is supplied.

 */

void generic_fillattr(struct inode *inode, struct kstat *stat)

{

    stat->dev = inode->i_sb->s_dev;

    stat->ino = inode->i_ino;

    stat->mode = inode->i_mode;

    stat->nlink = inode->i_nlink;

    stat->uid = inode->i_uid;

    stat->gid = inode->i_gid;

    stat->rdev = inode->i_rdev;

    stat->size = i_size_read(inode);

    stat->atime = inode->i_atime;

    stat->mtime = inode->i_mtime;

    stat->ctime = inode->i_ctime;

    stat->blksize = i_blocksize(inode);

    stat->blocks = inode->i_blocks;

}

EXPORT_SYMBOL(generic_fillattr);

​

/**

 * vfs_getattr_nosec - getattr without security checks

 * @path: file to get attributes from

 * @stat: structure to return attributes in

 * @request_mask: STATX_xxx flags indicating what the caller wants

 * @query_flags: Query mode (KSTAT_QUERY_FLAGS)

 *

 * Get attributes without calling security_inode_getattr.

 *

 * Currently the only caller other than vfs_getattr is internal to the

 * filehandle lookup code, which uses only the inode number and returns no

 * attributes to any user.  Any other code probably wants vfs_getattr.

 */