The I/O size is already bound by dev_attrib.hw_max_sectors, so increase the
hardcoded XCOPY_MAX_SECTORS maximum to improve performance against
backstores with high-latency.
Link: https://lore.kernel.org/r/20200327141954.955-5-ddiss@suse.de
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Disseldorp <ddiss@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
#define XCOPY_TARGET_DESC_LEN 32
#define XCOPY_SEGMENT_DESC_LEN 28
#define XCOPY_NAA_IEEE_REGEX_LEN 16
-#define XCOPY_MAX_SECTORS 1024
+#define XCOPY_MAX_SECTORS 4096
/*
* SPC4r37 6.4.6.1