Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2)  *  linux/fs/hfs/sysdep.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Copyright (C) 1996  Paul H. Hargrove
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * (C) 2003 Ardis Technologies <roman@ardistech.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * This file may be distributed under the terms of the GNU General Public License.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * This file contains the code to do various system dependent things.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/namei.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "hfs_fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) /* dentry case-handling: just lowercase everything */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) static int hfs_revalidate_dentry(struct dentry *dentry, unsigned int flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	int diff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	if (flags & LOOKUP_RCU)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		return -ECHILD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	inode = d_inode(dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	if(!inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	/* fix up inode on a timezone change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	diff = sys_tz.tz_minuteswest * 60 - HFS_I(inode)->tz_secondswest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	if (diff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		inode->i_ctime.tv_sec += diff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		inode->i_atime.tv_sec += diff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		inode->i_mtime.tv_sec += diff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		HFS_I(inode)->tz_secondswest += diff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) const struct dentry_operations hfs_dentry_operations =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	.d_revalidate	= hfs_revalidate_dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	.d_hash		= hfs_hash_dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	.d_compare	= hfs_compare_dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)