Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index 89765dd..cc8e2ed 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  linux/fs/sysv/inode.c
  *
@@ -312,7 +313,6 @@
 
 	flavour_setup[sbi->s_type](sbi, &sb->s_max_links);
 	
-	sbi->s_truncate = 1;
 	sbi->s_ndatazones = sbi->s_nzones - sbi->s_firstdatazone;
 	sbi->s_inodes_per_block = bsize >> 6;
 	sbi->s_inodes_per_block_1 = (bsize >> 6)-1;
@@ -334,8 +334,6 @@
 	sb->s_op = &sysv_sops;
 	if (sbi->s_forced_ro)
 		sb->s_flags |= SB_RDONLY;
-	if (sbi->s_truncate)
-		sb->s_d_op = &sysv_dentry_operations;
 	root_inode = sysv_iget(sb, SYSV_ROOT_INO);
 	if (IS_ERR(root_inode)) {
 		printk("SysV FS: get root inode failed\n");
@@ -370,7 +368,8 @@
 	sbi->s_block_base = 0;
 	mutex_init(&sbi->s_lock);
 	sb->s_fs_info = sbi;
-
+	sb->s_time_min = 0;
+	sb->s_time_max = U32_MAX;
 	sb_set_blocksize(sb, BLOCK_SIZE);
 
 	for (i = 0; i < ARRAY_SIZE(flavours) && !size; i++) {
@@ -489,6 +488,8 @@
 	sbi->s_type = FSTYPE_V7;
 	mutex_init(&sbi->s_lock);
 	sb->s_fs_info = sbi;
+	sb->s_time_min = 0;
+	sb->s_time_max = U32_MAX;
 	
 	sb_set_blocksize(sb, 512);