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scsi: target: add helper to check if dev is configured

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This just adds a helper function to check if a device is configured and it
converts the target users to use it. The next patch will add a backend
module user so those types of modules do not have to know the lio core
details.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Mike Christie
2018-07-23 14:07:45 -05:00
committed by Martin K. Petersen
parent ff07e4a414
commit cb0f32e12c
4 changed files with 13 additions and 8 deletions
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4
include/target/target_core_backend.h
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@@ -111,6 +111,10 @@ sector_t target_to_linux_sector(struct se_device *dev, sector_t lb);
bool target_configure_unmap_from_queue(struct se_dev_attrib *attrib,
struct request_queue *q);
static inline bool target_dev_configured(struct se_device *se_dev)
{
return !!(se_dev->dev_flags & DF_CONFIGURED);
}
/* Only use get_unaligned_be24() if reading p - 1 is allowed. */
static inline uint32_t get_unaligned_be24(const uint8_t *const p)