c24ac5d763
that they can be different. Clean up mkfs, simplifying specifying fs parameters, remove some redundancy between fs and mkfs, and fix disk layout bugs. Call blocks in the file system blocks instead of sectors. Passes usertests for different block sizes.
14 lines
343 B
C
14 lines
343 B
C
struct buf {
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int flags;
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uint dev;
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uint blockno;
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struct buf *prev; // LRU cache list
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struct buf *next;
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struct buf *qnext; // disk queue
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uchar data[BSIZE];
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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 has been read from disk
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#define B_DIRTY 0x4 // buffer needs to be written to disk
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