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76 lines
1.4 KiB
76 lines
1.4 KiB
#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/syscalls.h>
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#include <linux/unistd.h>
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#include <linux/slab.h>
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#include <linux/mount.h>
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#include <linux/major.h>
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#include <linux/root_dev.h>
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void change_floppy(char *fmt, ...);
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void mount_block_root(char *name, int flags);
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void mount_root(void);
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extern int root_mountflags;
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extern char *root_device_name;
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static inline int create_dev(char *name, dev_t dev)
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{
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sys_unlink(name);
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return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev));
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}
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#if BITS_PER_LONG == 32
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static inline u32 bstat(char *name)
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{
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struct stat64 stat;
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if (sys_stat64(name, &stat) != 0)
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return 0;
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if (!S_ISBLK(stat.st_mode))
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return 0;
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if (stat.st_rdev != (u32)stat.st_rdev)
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return 0;
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return stat.st_rdev;
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}
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#else
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static inline u32 bstat(char *name)
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{
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struct stat stat;
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if (sys_newstat(name, &stat) != 0)
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return 0;
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if (!S_ISBLK(stat.st_mode))
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return 0;
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return stat.st_rdev;
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}
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#endif
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#ifdef CONFIG_BLK_DEV_RAM
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int __init rd_load_disk(int n);
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int __init rd_load_image(char *from);
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#else
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static inline int rd_load_disk(int n) { return 0; }
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static inline int rd_load_image(char *from) { return 0; }
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#endif
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#ifdef CONFIG_BLK_DEV_INITRD
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int __init initrd_load(void);
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#else
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static inline int initrd_load(void) { return 0; }
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#endif
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#ifdef CONFIG_BLK_DEV_MD
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void md_run_setup(void);
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#else
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static inline void md_run_setup(void) {}
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#endif
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