44 lines
661 B
C
Executable File
44 lines
661 B
C
Executable File
#include <unistd.h>
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#include <fcntl.h>
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enum
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{
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BlockSize = 16,
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}
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int fds[4];
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unsigned int sizes[4];
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char **list = [ "Disk0", "Disk0", "Disk0", "Disk0" ];
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void
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Ini_Raid0(void)
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{
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struct stat st;
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for (int i = 0; i < 4; ++i) {
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fds[i] = open(list[i], O_RDWR);
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lstat(list[i], &st);
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sizes[i] = st.st_size / BlockSize;
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if (i != 0) {
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sizes[i] += sizes[i - 1];
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}
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}
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return;
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}
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void
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Read_Raid0(int num, char *buf)
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{
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int now_disk = 0;
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int now_block = 0;
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while (now_block != num) {
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if (sizes[now_disk]
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now_disk++;
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now_block++;
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now_disk %= 4;
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}
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return;
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}
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