10 lines
233 B
C
10 lines
233 B
C
struct buf {
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int flags;
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uint dev;
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uint sector;
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struct buf *prev;
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struct buf *next;
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uchar data[512];
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};
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#define B_BUSY 0x1 // buffer is locked by some process
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#define B_VALID 0x2 // buffer contains the data of the sector
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