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![Rob Landley](/assets/img/avatar_default.png)
When the rootfs code was a wrapper around ramfs, having them in the same file made sense. Now that it can wrap another filesystem type, move it in with the init code instead. This also allows a subsequent patch to access rootfstype= command line arg. Signed-off-by: Rob Landley <rob@landley.net> Cc: Jeff Layton <jlayton@redhat.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Stephen Warren <swarren@nvidia.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Jim Cromie <jim.cromie@gmail.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
32 lines
988 B
C
32 lines
988 B
C
#ifndef _LINUX_RAMFS_H
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#define _LINUX_RAMFS_H
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struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir,
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umode_t mode, dev_t dev);
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extern struct dentry *ramfs_mount(struct file_system_type *fs_type,
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int flags, const char *dev_name, void *data);
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#ifdef CONFIG_MMU
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static inline int
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ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
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{
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return 0;
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}
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#else
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extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize);
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extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
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unsigned long addr,
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unsigned long len,
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unsigned long pgoff,
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unsigned long flags);
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extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma);
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#endif
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extern const struct file_operations ramfs_file_operations;
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extern const struct vm_operations_struct generic_file_vm_ops;
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extern int __init init_ramfs_fs(void);
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int ramfs_fill_super(struct super_block *sb, void *data, int silent);
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#endif
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