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SubjectRE: [EXT] [PATCH v4 3/3] scsi: ufs-bsg: Allow reading descriptors
>-----Original Message-----
>From: [mailto:linux-scsi-
>] On Behalf Of Avri Altman
>Sent: Sunday, January 27, 2019 8:08 AM
>To: James E.J. Bottomley <>; Martin K. Petersen
><>;; linux-
>; Evan Green <>
>Cc: Avi Shchislowski <>; Alex Lemberg
><>; Avri Altman <>
>Subject: [EXT] [PATCH v4 3/3] scsi: ufs-bsg: Allow reading descriptors
>Add this functionality, placing the descriptor being read in the actual data buffer
>in the bio.
>That is, for both read and write descriptors query upiu, we are using the job's
>request_payload. This in turn, is mapped back in user land to the applicable
>sg_io_v4 xferp: dout_xferp for write descriptor, and din_xferp for read descriptor.
>Signed-off-by: Avri Altman <>
Reviewed-by: Bean Huo <>

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