add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/befs/linuxvfs.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/befs/linuxvfs.c
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  *
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@@ -21,6 +22,7 @@
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 #include <linux/cred.h>
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 #include <linux/exportfs.h>
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 #include <linux/seq_file.h>
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+#include <linux/blkdev.h>
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 #include "befs.h"
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 #include "btree.h"
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@@ -32,6 +34,7 @@
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 MODULE_DESCRIPTION("BeOS File System (BeFS) driver");
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 MODULE_AUTHOR("Will Dyson");
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 MODULE_LICENSE("GPL");
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+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
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 /* The units the vfs expects inode->i_blocks to be in */
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 #define VFS_BLOCK_SIZE 512
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@@ -44,7 +47,7 @@
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 				  unsigned int);
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 static struct inode *befs_iget(struct super_block *, unsigned long);
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 static struct inode *befs_alloc_inode(struct super_block *sb);
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-static void befs_destroy_inode(struct inode *inode);
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+static void befs_free_inode(struct inode *inode);
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 static void befs_destroy_inodecache(void);
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 static int befs_symlink_readpage(struct file *, struct page *);
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 static int befs_utf2nls(struct super_block *sb, const char *in, int in_len,
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@@ -64,7 +67,7 @@
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 static const struct super_operations befs_sops = {
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 	.alloc_inode	= befs_alloc_inode,	/* allocate a new inode */
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-	.destroy_inode	= befs_destroy_inode, /* deallocate an inode */
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+	.free_inode	= befs_free_inode, /* deallocate an inode */
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 	.put_super	= befs_put_super,	/* uninit super */
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 	.statfs		= befs_statfs,	/* statfs */
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 	.remount_fs	= befs_remount,
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@@ -281,15 +284,9 @@
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 	return &bi->vfs_inode;
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 }
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-static void befs_i_callback(struct rcu_head *head)
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+static void befs_free_inode(struct inode *inode)
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 {
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-	struct inode *inode = container_of(head, struct inode, i_rcu);
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 	kmem_cache_free(befs_inode_cachep, BEFS_I(inode));
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-}
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-
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-static void befs_destroy_inode(struct inode *inode)
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-{
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-	call_rcu(&inode->i_rcu, befs_i_callback);
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 }
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 static void init_once(void *foo)
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@@ -898,6 +895,8 @@
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 	sb_set_blocksize(sb, (ulong) befs_sb->block_size);
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 	sb->s_op = &befs_sops;
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 	sb->s_export_op = &befs_export_operations;
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+	sb->s_time_min = 0;
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+	sb->s_time_max = 0xffffffffffffll;
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 	root = befs_iget(sb, iaddr2blockno(sb, &(befs_sb->root_dir)));
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 	if (IS_ERR(root)) {
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 		ret = PTR_ERR(root);
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@@ -965,8 +964,7 @@
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 	buf->f_bavail = buf->f_bfree;
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 	buf->f_files = 0;	/* UNKNOWN */
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 	buf->f_ffree = 0;	/* UNKNOWN */
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-	buf->f_fsid.val[0] = (u32)id;
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-	buf->f_fsid.val[1] = (u32)(id >> 32);
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+	buf->f_fsid = u64_to_fsid(id);
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 	buf->f_namelen = BEFS_NAME_LEN;
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 	befs_debug(sb, "<--- %s", __func__);