>>>>> "Sreekanth" == Sreekanth Reddy <sreekanth.re...@avagotech.com> writes:
@@ -2486,9 +2486,13 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc,
int sleep_flag)
/* command line tunables for max sgl entries */
if (max_sgl_entries != -1) {
- ioc->shost->sg_tablesize = (max_sgl_entries <
- MPT2SAS_SG_DEPTH) ? max_sgl_entries :
- MPT2SAS_SG_DEPTH;
+ if (max_sgl_entries > MPT2SAS_SG_DEPTH)
+ printk(MPT2SAS_WARN_FMT
+ "setting max_sgl_entries(%d), overriding kernel"
+ " defined SCSI_MAX_SG_SEGMENTS(%d)\n", ioc->name,
+ max_sgl_entries, MPT2SAS_SG_DEPTH);
+ ioc->shost->sg_tablesize = min_t(unsigned short,
+ max_sgl_entries, SCSI_MAX_SG_CHAIN_SEGMENTS);
} else {
ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH;
}
Wouldn't it be better to print the new scatterlist limit after it has
been clamped to reflect what it's actually being set to?
--
Martin K. Petersen Oracle Linux Engineering
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