| create loop device from image |
| testing offsets with full block size |
| Discarded 10485760 bytes from the offset 0 |
| ret: 0 |
| blkdiscard: offset 1 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: offset 511 is not aligned to sector size 512 |
| ret: 1 |
| Discarded 10485248 bytes from the offset 512 |
| ret: 0 |
| Discarded 10484736 bytes from the offset 1024 |
| ret: 0 |
| testing offsets with specific length |
| Discarded 5242880 bytes from the offset 0 |
| ret: 0 |
| blkdiscard: length 5242881 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: length 5243391 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: offset 1 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: offset 511 is not aligned to sector size 512 |
| ret: 1 |
| Discarded 5242880 bytes from the offset 512 |
| ret: 0 |
| Discarded 5242880 bytes from the offset 1024 |
| ret: 0 |
| testing aligned steps full device |
| Discarded 10485760 bytes from the offset 0 |
| ret: 0 |
| Discarded 10485760 bytes from the offset 0 |
| ret: 0 |
| testing aligned steps with offsets and length |
| Discarded 1024 bytes from the offset 0 |
| ret: 0 |
| blkdiscard: offset 1 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: offset 1 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: offset 511 is not aligned to sector size 512 |
| ret: 1 |
| Discarded 1536 bytes from the offset 512 |
| ret: 0 |
| Discarded 1024 bytes from the offset 1024 |
| ret: 0 |
| testing misaligned steps full device |
| blkdiscard: length 1 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: length 256 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: length 511 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: length 513 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: length 768 is not aligned to sector size 512 |
| ret: 1 |
| testing misaligned steps with offsets and length |
| blkdiscard: length 511 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: offset 1 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: offset 511 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: length 511 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: offset 1 is not aligned to sector size 512 |
| ret: 1 |
| blkdiscard: offset 511 is not aligned to sector size 512 |
| ret: 1 |
| detach loop device from image |