Created
August 30, 2022 21:43
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| block->blocknum = blocknum; | |
| err = bio_read(cache->dev, block->ptr, (off_t)blocknum * cache->block_size, cache->block_size ); | |
| if(block->ptr == (void *)0x8f76c0e4) { | |
| char * p = ((char *)block->ptr); | |
| thread_sleep(1); | |
| while((p < (char *) 0x8f76d0e4) && (*p != 0x99)) | |
| p++; | |
| p-=4; | |
| dprintf(SPEW, "%x: %x %x %x %x %x %x %x %x %d %d\n", | |
| p, | |
| p[0], p[1], p[2], p[3], | |
| p[4], p[5], p[6], p[7], | |
| cache->block_size, err); | |
| } | |
| if (err < 0) { | |
| /* free the block, return an error */ | |
| list_add_tail(&cache->free_list, &block->node); | |
| return NULL; | |
| } | |
| if (err < 4096) { | |
| dprintf(SPEW, "short read %d at %d\n", err, blocknum); | |
| } |
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[1190] 8f76d0bc: 0 0 0 0 99 99 99 99 4096 4096