Ming Lei 1194b5ce57 scsi: usb: image: microtek: use sg helper to iterate over scatterlist ... Unlike the legacy I/O path, scsi-mq preallocates a large array to hold the scatterlist for each request. This static allocation can consume substantial amounts of memory on modern controllers which support a large number of concurrently outstanding requests. To facilitate a switch to a smaller static allocation combined with a dynamic allocation for requests that need it, we need to make sure all SCSI drivers handle chained scatterlists correctly. Convert remaining drivers that directly dereference the scatterlist array to using the iterator functions. [mkp: clarified commit message] Cc: Oliver Neukum <oliver@neukum.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-usb@vger.kernel.org Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>		2019-06-20 15:21:32 -04:00
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microtek.c	scsi: usb: image: microtek: use sg helper to iterate over scatterlist	2019-06-20 15:21:32 -04:00
microtek.h	scsi: usb: image: microtek: use sg helper to iterate over scatterlist	2019-06-20 15:21:32 -04:00