Loading MAINTAINERS +3 −1 Original line number Diff line number Diff line Loading @@ -9411,8 +9411,10 @@ F: include/scsi/sg.h SCSI SUBSYSTEM M: "James E.J. Bottomley" <JBottomley@odin.com> L: linux-scsi@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git M: "Martin K. Petersen" <martin.petersen@oracle.com> T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git L: linux-scsi@vger.kernel.org S: Maintained F: drivers/scsi/ F: include/scsi/ Loading block/blk-settings.c +16 −20 Original line number Diff line number Diff line Loading @@ -91,7 +91,8 @@ void blk_set_default_limits(struct queue_limits *lim) lim->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK; lim->virt_boundary_mask = 0; lim->max_segment_size = BLK_MAX_SEGMENT_SIZE; lim->max_sectors = lim->max_hw_sectors = BLK_SAFE_MAX_SECTORS; lim->max_sectors = lim->max_dev_sectors = lim->max_hw_sectors = BLK_SAFE_MAX_SECTORS; lim->chunk_sectors = 0; lim->max_write_same_sectors = 0; lim->max_discard_sectors = 0; Loading Loading @@ -127,6 +128,7 @@ void blk_set_stacking_limits(struct queue_limits *lim) lim->max_hw_sectors = UINT_MAX; lim->max_segment_size = UINT_MAX; lim->max_sectors = UINT_MAX; lim->max_dev_sectors = UINT_MAX; lim->max_write_same_sectors = UINT_MAX; } EXPORT_SYMBOL(blk_set_stacking_limits); Loading Loading @@ -214,8 +216,8 @@ void blk_queue_bounce_limit(struct request_queue *q, u64 max_addr) EXPORT_SYMBOL(blk_queue_bounce_limit); /** * blk_limits_max_hw_sectors - set hard and soft limit of max sectors for request * @limits: the queue limits * blk_queue_max_hw_sectors - set max sectors for a request for this queue * @q: the request queue for the device * @max_hw_sectors: max hardware sectors in the usual 512b unit * * Description: Loading @@ -224,13 +226,19 @@ EXPORT_SYMBOL(blk_queue_bounce_limit); * the device driver based upon the capabilities of the I/O * controller. * * max_dev_sectors is a hard limit imposed by the storage device for * READ/WRITE requests. It is set by the disk driver. * * max_sectors is a soft limit imposed by the block layer for * filesystem type requests. This value can be overridden on a * per-device basis in /sys/block/<device>/queue/max_sectors_kb. * The soft limit can not exceed max_hw_sectors. **/ void blk_limits_max_hw_sectors(struct queue_limits *limits, unsigned int max_hw_sectors) void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors) { struct queue_limits *limits = &q->limits; unsigned int max_sectors; if ((max_hw_sectors << 9) < PAGE_CACHE_SIZE) { max_hw_sectors = 1 << (PAGE_CACHE_SHIFT - 9); printk(KERN_INFO "%s: set to minimum %d\n", Loading @@ -238,22 +246,9 @@ void blk_limits_max_hw_sectors(struct queue_limits *limits, unsigned int max_hw_ } limits->max_hw_sectors = max_hw_sectors; limits->max_sectors = min_t(unsigned int, max_hw_sectors, BLK_DEF_MAX_SECTORS); } EXPORT_SYMBOL(blk_limits_max_hw_sectors); /** * blk_queue_max_hw_sectors - set max sectors for a request for this queue * @q: the request queue for the device * @max_hw_sectors: max hardware sectors in the usual 512b unit * * Description: * See description for blk_limits_max_hw_sectors(). **/ void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors) { blk_limits_max_hw_sectors(&q->limits, max_hw_sectors); max_sectors = min_not_zero(max_hw_sectors, limits->max_dev_sectors); max_sectors = min_t(unsigned int, max_sectors, BLK_DEF_MAX_SECTORS); limits->max_sectors = max_sectors; } EXPORT_SYMBOL(blk_queue_max_hw_sectors); Loading Loading @@ -527,6 +522,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, t->max_sectors = min_not_zero(t->max_sectors, b->max_sectors); t->max_hw_sectors = min_not_zero(t->max_hw_sectors, b->max_hw_sectors); t->max_dev_sectors = min_not_zero(t->max_dev_sectors, b->max_dev_sectors); t->max_write_same_sectors = min(t->max_write_same_sectors, b->max_write_same_sectors); t->bounce_pfn = min_not_zero(t->bounce_pfn, b->bounce_pfn); Loading block/blk-sysfs.c +3 −0 Original line number Diff line number Diff line Loading @@ -205,6 +205,9 @@ queue_max_sectors_store(struct request_queue *q, const char *page, size_t count) if (ret < 0) return ret; max_hw_sectors_kb = min_not_zero(max_hw_sectors_kb, (unsigned long) q->limits.max_dev_sectors >> 1); if (max_sectors_kb > max_hw_sectors_kb || max_sectors_kb < page_kb) return -EINVAL; Loading drivers/scsi/Kconfig +2 −0 Original line number Diff line number Diff line Loading @@ -364,6 +364,7 @@ config SCSI_HPSA tristate "HP Smart Array SCSI driver" depends on PCI && SCSI select CHECK_SIGNATURE select SCSI_SAS_ATTRS help This driver supports HP Smart Array Controllers (circa 2009). It is a SCSI alternative to the cciss driver, which is a block Loading Loading @@ -499,6 +500,7 @@ config SCSI_ADVANSYS tristate "AdvanSys SCSI support" depends on SCSI depends on ISA || EISA || PCI depends on ISA_DMA_API || !ISA help This is a driver for all SCSI host adapters manufactured by AdvanSys. It is documented in the kernel source in Loading drivers/scsi/advansys.c +1 −1 Original line number Diff line number Diff line Loading @@ -7803,7 +7803,7 @@ adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp, return ASC_BUSY; } scsiqp->sense_addr = cpu_to_le32(sense_addr); scsiqp->sense_len = cpu_to_le32(SCSI_SENSE_BUFFERSIZE); scsiqp->sense_len = SCSI_SENSE_BUFFERSIZE; /* Build ADV_SCSI_REQ_Q */ Loading Loading
MAINTAINERS +3 −1 Original line number Diff line number Diff line Loading @@ -9411,8 +9411,10 @@ F: include/scsi/sg.h SCSI SUBSYSTEM M: "James E.J. Bottomley" <JBottomley@odin.com> L: linux-scsi@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git M: "Martin K. Petersen" <martin.petersen@oracle.com> T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git L: linux-scsi@vger.kernel.org S: Maintained F: drivers/scsi/ F: include/scsi/ Loading
block/blk-settings.c +16 −20 Original line number Diff line number Diff line Loading @@ -91,7 +91,8 @@ void blk_set_default_limits(struct queue_limits *lim) lim->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK; lim->virt_boundary_mask = 0; lim->max_segment_size = BLK_MAX_SEGMENT_SIZE; lim->max_sectors = lim->max_hw_sectors = BLK_SAFE_MAX_SECTORS; lim->max_sectors = lim->max_dev_sectors = lim->max_hw_sectors = BLK_SAFE_MAX_SECTORS; lim->chunk_sectors = 0; lim->max_write_same_sectors = 0; lim->max_discard_sectors = 0; Loading Loading @@ -127,6 +128,7 @@ void blk_set_stacking_limits(struct queue_limits *lim) lim->max_hw_sectors = UINT_MAX; lim->max_segment_size = UINT_MAX; lim->max_sectors = UINT_MAX; lim->max_dev_sectors = UINT_MAX; lim->max_write_same_sectors = UINT_MAX; } EXPORT_SYMBOL(blk_set_stacking_limits); Loading Loading @@ -214,8 +216,8 @@ void blk_queue_bounce_limit(struct request_queue *q, u64 max_addr) EXPORT_SYMBOL(blk_queue_bounce_limit); /** * blk_limits_max_hw_sectors - set hard and soft limit of max sectors for request * @limits: the queue limits * blk_queue_max_hw_sectors - set max sectors for a request for this queue * @q: the request queue for the device * @max_hw_sectors: max hardware sectors in the usual 512b unit * * Description: Loading @@ -224,13 +226,19 @@ EXPORT_SYMBOL(blk_queue_bounce_limit); * the device driver based upon the capabilities of the I/O * controller. * * max_dev_sectors is a hard limit imposed by the storage device for * READ/WRITE requests. It is set by the disk driver. * * max_sectors is a soft limit imposed by the block layer for * filesystem type requests. This value can be overridden on a * per-device basis in /sys/block/<device>/queue/max_sectors_kb. * The soft limit can not exceed max_hw_sectors. **/ void blk_limits_max_hw_sectors(struct queue_limits *limits, unsigned int max_hw_sectors) void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors) { struct queue_limits *limits = &q->limits; unsigned int max_sectors; if ((max_hw_sectors << 9) < PAGE_CACHE_SIZE) { max_hw_sectors = 1 << (PAGE_CACHE_SHIFT - 9); printk(KERN_INFO "%s: set to minimum %d\n", Loading @@ -238,22 +246,9 @@ void blk_limits_max_hw_sectors(struct queue_limits *limits, unsigned int max_hw_ } limits->max_hw_sectors = max_hw_sectors; limits->max_sectors = min_t(unsigned int, max_hw_sectors, BLK_DEF_MAX_SECTORS); } EXPORT_SYMBOL(blk_limits_max_hw_sectors); /** * blk_queue_max_hw_sectors - set max sectors for a request for this queue * @q: the request queue for the device * @max_hw_sectors: max hardware sectors in the usual 512b unit * * Description: * See description for blk_limits_max_hw_sectors(). **/ void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_sectors) { blk_limits_max_hw_sectors(&q->limits, max_hw_sectors); max_sectors = min_not_zero(max_hw_sectors, limits->max_dev_sectors); max_sectors = min_t(unsigned int, max_sectors, BLK_DEF_MAX_SECTORS); limits->max_sectors = max_sectors; } EXPORT_SYMBOL(blk_queue_max_hw_sectors); Loading Loading @@ -527,6 +522,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, t->max_sectors = min_not_zero(t->max_sectors, b->max_sectors); t->max_hw_sectors = min_not_zero(t->max_hw_sectors, b->max_hw_sectors); t->max_dev_sectors = min_not_zero(t->max_dev_sectors, b->max_dev_sectors); t->max_write_same_sectors = min(t->max_write_same_sectors, b->max_write_same_sectors); t->bounce_pfn = min_not_zero(t->bounce_pfn, b->bounce_pfn); Loading
block/blk-sysfs.c +3 −0 Original line number Diff line number Diff line Loading @@ -205,6 +205,9 @@ queue_max_sectors_store(struct request_queue *q, const char *page, size_t count) if (ret < 0) return ret; max_hw_sectors_kb = min_not_zero(max_hw_sectors_kb, (unsigned long) q->limits.max_dev_sectors >> 1); if (max_sectors_kb > max_hw_sectors_kb || max_sectors_kb < page_kb) return -EINVAL; Loading
drivers/scsi/Kconfig +2 −0 Original line number Diff line number Diff line Loading @@ -364,6 +364,7 @@ config SCSI_HPSA tristate "HP Smart Array SCSI driver" depends on PCI && SCSI select CHECK_SIGNATURE select SCSI_SAS_ATTRS help This driver supports HP Smart Array Controllers (circa 2009). It is a SCSI alternative to the cciss driver, which is a block Loading Loading @@ -499,6 +500,7 @@ config SCSI_ADVANSYS tristate "AdvanSys SCSI support" depends on SCSI depends on ISA || EISA || PCI depends on ISA_DMA_API || !ISA help This is a driver for all SCSI host adapters manufactured by AdvanSys. It is documented in the kernel source in Loading
drivers/scsi/advansys.c +1 −1 Original line number Diff line number Diff line Loading @@ -7803,7 +7803,7 @@ adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp, return ASC_BUSY; } scsiqp->sense_addr = cpu_to_le32(sense_addr); scsiqp->sense_len = cpu_to_le32(SCSI_SENSE_BUFFERSIZE); scsiqp->sense_len = SCSI_SENSE_BUFFERSIZE; /* Build ADV_SCSI_REQ_Q */ Loading