add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/sysv/super.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  linux/fs/sysv/inode.c
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  *
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@@ -312,7 +313,6 @@
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 	flavour_setup[sbi->s_type](sbi, &sb->s_max_links);
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-	sbi->s_truncate = 1;
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 	sbi->s_ndatazones = sbi->s_nzones - sbi->s_firstdatazone;
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 	sbi->s_inodes_per_block = bsize >> 6;
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 	sbi->s_inodes_per_block_1 = (bsize >> 6)-1;
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@@ -334,8 +334,6 @@
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 	sb->s_op = &sysv_sops;
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 	if (sbi->s_forced_ro)
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 		sb->s_flags |= SB_RDONLY;
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-	if (sbi->s_truncate)
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-		sb->s_d_op = &sysv_dentry_operations;
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 	root_inode = sysv_iget(sb, SYSV_ROOT_INO);
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 	if (IS_ERR(root_inode)) {
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 		printk("SysV FS: get root inode failed\n");
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@@ -370,7 +368,8 @@
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 	sbi->s_block_base = 0;
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 	mutex_init(&sbi->s_lock);
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 	sb->s_fs_info = sbi;
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-
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+	sb->s_time_min = 0;
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+	sb->s_time_max = U32_MAX;
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 	sb_set_blocksize(sb, BLOCK_SIZE);
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 	for (i = 0; i < ARRAY_SIZE(flavours) && !size; i++) {
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@@ -489,6 +488,8 @@
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 	sbi->s_type = FSTYPE_V7;
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 	mutex_init(&sbi->s_lock);
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 	sb->s_fs_info = sbi;
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+	sb->s_time_min = 0;
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+	sb->s_time_max = U32_MAX;
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 	sb_set_blocksize(sb, 512);
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@@ -591,3 +592,4 @@
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 module_init(init_sysv_fs)
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 module_exit(exit_sysv_fs)
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 MODULE_LICENSE("GPL");
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+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);