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target/iblock: Add parameter to specify read-only devices

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see https://bugzilla.redhat.com/show_bug.cgi?id=818855

Adds a parameter so read-only block devices may be registered as
LIO backstores.

Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Andy Grover
2012-06-07 10:38:51 -07:00
committed by Nicholas Bellinger
parent 7acd570706
commit 44bfd01850
2 changed files with 29 additions and 7 deletions
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drivers/target/target_core_iblock.h
+1
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@@ -18,6 +18,7 @@ struct iblock_dev {
u32 ibd_flags;
struct bio_set *ibd_bio_set;
struct block_device *ibd_bd;
bool ibd_readonly;
} ____cacheline_aligned;
#endif /* TARGET_CORE_IBLOCK_H */