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| author |   sumit.saxena@avagotech.com <sumit.saxena@avagotech.com> | 2015-10-15 13:40:04 +0530 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2015-10-29 03:20:23 -0400 |
| commit | 357ae967ad66e357f78b5cfb5ab6ca07fb4a7758 (patch) | |
| tree | 37ea2d7b445bb83e764d9cd4044663f3a078b6f3 /drivers/scsi/megaraid/megaraid_sas.h | |
| parent | megaraid_sas: Support for Cutlass (12 Gbps) controller (diff) | |
| download | linux-dev-357ae967ad66e357f78b5cfb5ab6ca07fb4a7758.tar.xz linux-dev-357ae967ad66e357f78b5cfb5ab6ca07fb4a7758.zip | |
megaraid_sas: Do not use PAGE_SIZE for max_sectors
Do not use PAGE_SIZE marco to calculate max_sectors per I/O
request. Driver code assumes PAGE_SIZE will be always 4096 which can
lead to wrongly calculated value if PAGE_SIZE is not 4096. This issue
was reported in Ubuntu Bugzilla Bug #1475166.
Cc: <stable@vger.kernel.org>
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas.h')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 6985e81ccded..0413679a48aa 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -388,6 +388,8 @@ enum MR_EVT_ARGS { MR_EVT_ARGS_GENERIC, }; + +#define SGE_BUFFER_SIZE 4096 /* * define constants for device list query options */ |