From: David Disseldorp Date: Fri, 27 Mar 2020 14:19:53 +0000 (+0100) Subject: scsi: target: increase XCOPY I/O size X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=5f306aff34809fca68bb36476e66552ac241a9c4;p=linux.git scsi: target: increase XCOPY I/O size 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 Signed-off-by: David Disseldorp Signed-off-by: Martin K. Petersen --- diff --git a/drivers/target/target_core_xcopy.h b/drivers/target/target_core_xcopy.h index 9558974185ea0..f1aaf71407985 100644 --- a/drivers/target/target_core_xcopy.h +++ b/drivers/target/target_core_xcopy.h @@ -5,7 +5,7 @@ #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