>>>>> "Christoph" == Christoph Hellwig <hch@xxxxxxxxxxxxx> writes: Christoph> And a crash when using unmap_granularity=1 when using the Christoph> discard-enable mkfs.xfs binary from xfsprogs-dev.git: I was unable to reproduce. I also tried with xfs_trim. Both work fine. I guess I'll try with your two latest patches in the mix next. i386, x86_64, ppc? Christoph> qemu1:~/xfsprogs-dev# ./mkfs/mkfs.xfs -f /dev/sdb [ Christoph> 53.562041] BUG: unable to handle kernel paging request at Christoph> fcc80000 [ 53.563812] IP: [<c070fbb7>] Christoph> unmap_region+0xc7/0x120 ^^^^^^^^^^^^^^^^^ That's pretty odd. It's way beyond the end of unmap_region here. -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html