[PATCH] target: For iblock at default writecache enable.

[majianpeng]

Like the harddisk, at default write cache is enable.

Signed-off-by: Jianpeng Ma <majianp...@gmail.com>
---
 drivers/target/target_core_iblock.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/target/target_core_iblock.c 
b/drivers/target/target_core_iblock.c
index b526d23..69c2f2d 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -125,6 +125,9 @@ static int iblock_configure_device(struct se_device *dev)
        dev->dev_attrib.hw_max_sectors = UINT_MAX;
        dev->dev_attrib.hw_queue_depth = q->nr_requests;
 
+       /*Default enable write cache*/
+       dev->dev_attrib.emulate_write_cache = 1;
+
        /*
         * Check if the underlying struct block_device request_queue supports
         * the QUEUE_FLAG_DISCARD bit for UNMAP/WRITE_SAME in SCSI + TRIM
-- 
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