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target: don't limit transfer sizes for the ramdisk backend 

The ramdisk backend has not inherent limitations for handling requests,
so don't artificially limits the transfer size.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Christoph Hellwig 2012-03-26 04:57:08 -04:00 committed by Nicholas Bellinger
parent 8feb58d04b
commit 83799efbff
2 changed files with 2 additions and 6 deletions
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7
drivers/target/target_core_rd.c
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@ -64,9 +64,6 @@ static int rd_attach_hba(struct se_hba *hba, u32 host_id)
pr_debug("CORE_HBA[%d] - TCM Ramdisk HBA Driver %s on" pr_debug("CORE_HBA[%d] - TCM Ramdisk HBA Driver %s on"
" Generic Target Core Stack %s\n", hba->hba_id, " Generic Target Core Stack %s\n", hba->hba_id,
RD_HBA_VERSION, TARGET_CORE_MOD_VERSION); RD_HBA_VERSION, TARGET_CORE_MOD_VERSION);
pr_debug("CORE_HBA[%d] - Attached Ramdisk HBA: %u to Generic"
" MaxSectors: %u\n", hba->hba_id,
rd_host->rd_host_id, RD_MAX_SECTORS);
return 0; return 0;
} }
@ -235,8 +232,8 @@ static struct se_device *rd_create_virtdevice(struct se_hba *hba,
snprintf(rev, 4, "%s", RD_MCP_VERSION); snprintf(rev, 4, "%s", RD_MCP_VERSION);
dev_limits.limits.logical_block_size = RD_BLOCKSIZE; dev_limits.limits.logical_block_size = RD_BLOCKSIZE;
dev_limits.limits.max_hw_sectors = RD_MAX_SECTORS; dev_limits.limits.max_hw_sectors = UINT_MAX;
dev_limits.limits.max_sectors = RD_MAX_SECTORS; dev_limits.limits.max_sectors = UINT_MAX;
dev_limits.hw_queue_depth = RD_MAX_DEVICE_QUEUE_DEPTH; dev_limits.hw_queue_depth = RD_MAX_DEVICE_QUEUE_DEPTH;
dev_limits.queue_depth = RD_DEVICE_QUEUE_DEPTH; dev_limits.queue_depth = RD_DEVICE_QUEUE_DEPTH;

1
drivers/target/target_core_rd.h
View File

@ -9,7 +9,6 @@
#define RD_DEVICE_QUEUE_DEPTH 32 #define RD_DEVICE_QUEUE_DEPTH 32
#define RD_MAX_DEVICE_QUEUE_DEPTH 128 #define RD_MAX_DEVICE_QUEUE_DEPTH 128
#define RD_BLOCKSIZE 512 #define RD_BLOCKSIZE 512
#define RD_MAX_SECTORS 1024
/* Used in target_core_init_configfs() for virtual LUN 0 access */ /* Used in target_core_init_configfs() for virtual LUN 0 access */
int __init rd_module_init(void); int __init rd_module_init(void);