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| author |   David Disseldorp <ddiss@suse.de> | 2020-03-27 15:19:53 +0100 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2020-03-29 18:10:59 -0400 |
| commit | 5f306aff34809fca68bb36476e66552ac241a9c4 (patch) | |
| tree | 25e71bfc504d03864dc326cbabe9e0d64acb517a | |
| parent | scsi: target: avoid per-loop XCOPY buffer allocations (diff) | |
| download | linux-dev-5f306aff34809fca68bb36476e66552ac241a9c4.tar.xz linux-dev-5f306aff34809fca68bb36476e66552ac241a9c4.zip | |
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 <hch@lst.de>
Signed-off-by: David Disseldorp <ddiss@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/target/target_core_xcopy.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/target/target_core_xcopy.h b/drivers/target/target_core_xcopy.h index 9558974185ea..f1aaf7140798 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 |