On Tue, Jan 24, 2023 at 11:29:10AM -0800, Bart Van Assche wrote: > On 1/24/23 11:02, Niklas Cassel wrote: > > Introduce the new block IO status BLK_STS_DURATION_LIMIT for LLDDs to > > report command that failed due to a command duration limit being > > exceeded. This new status is mapped to the ETIME error code to allow > > users to differentiate "soft" duration limit failures from other more > > serious hardware related errors. > > What makes exceeding the duration limit different from an I/O timeout > (BLK_STS_TIMEOUT)? Why is it important to tell the difference between an I/O > timeout and exceeding the command duration limit? BLK_STS_TIMEOUT should be used if the target device doesn't provide any response to the command. The DURATION_LIMIT status is used when the device completes a command with that status.
