[v3.7 Regression] [SCSI] sd: Implement support for WRITE SAME

Martin K. Petersen martin.petersen at oracle.com
Wed Dec 19 16:58:04 UTC 2012

>>>>> "Joseph" == Joseph Salisbury <joseph.salisbury at canonical.com> writes:

Joseph> I captured the netconsole output from boot until I reproduced
Joseph> the bug. The RIP points to kcryptd_crypt_write_io_submit() in
Joseph> ~/drivers/md/dm-crypt.c.  The output can be seen at:

I'm thinking that dm-crypt should probably set max_write_same_sectors to
0. It doesn't really make much sense for a crypto driver to pass that
command through.

Mike, do you want to look into this?

Martin K. Petersen	Oracle Linux Engineering

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