On Wed, 19 May 2021 15:54:40 +0200, Bodo Stroesser wrote:
> Commit f5ce815f34bc ("scsi: target: tcmu: Support DATA_BLOCK_SIZE = N *
> PAGE_SIZE") introduced xas_next() calls to iterate xarray elements.
> These calls triggered the WARNING "suspicious RCU usage" at tcmu device
> set up [1]. In the call stack of xas_next(), xas_load() was called.
> According to its comment, this function requires "the xa_lock or the RCU
> lock".
>
> [...]
Applied to 5.13/scsi-fixes, thanks!
[1/1] scsi: target: tcmu: Fix xarray RCU warning
https://git.kernel.org/mkp/scsi/c/b4150b68815e
--
Martin K. Petersen Oracle Linux Engineering
