2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* RomFS internal definitions
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*
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* Copyright © 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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#include <linux/romfs_fs.h>
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struct romfs_inode_info {
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struct inode vfs_inode;
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unsigned long i_metasize; /* size of non-data area */
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unsigned long i_dataoffset; /* from the start of fs */
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};
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static inline size_t romfs_maxsize(struct super_block *sb)
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{
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return (size_t) (unsigned long) sb->s_fs_info;
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}
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static inline struct romfs_inode_info *ROMFS_I(struct inode *inode)
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{
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return container_of(inode, struct romfs_inode_info, vfs_inode);
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}
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/*
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* mmap-nommu.c
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*/
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#if !defined(CONFIG_MMU) && defined(CONFIG_ROMFS_ON_MTD)
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extern const struct file_operations romfs_ro_fops;
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#else
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#define romfs_ro_fops generic_ro_fops
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#endif
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/*
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* storage.c
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*/
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extern int romfs_dev_read(struct super_block *sb, unsigned long pos,
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void *buf, size_t buflen);
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extern ssize_t romfs_dev_strnlen(struct super_block *sb,
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unsigned long pos, size_t maxlen);
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extern int romfs_dev_strcmp(struct super_block *sb, unsigned long pos,
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const char *str, size_t size);
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