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[SCSI] sd: fix compile failure with CONFIG_BLK_DEV_INTEGRITY=n
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Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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James Bottomley authored and James Bottomley committed Oct 15, 2008
1 parent a343914 commit 4c393e6
Showing 1 changed file with 14 additions and 5 deletions.
19 changes: 14 additions & 5 deletions drivers/scsi/sd.h
Original file line number Diff line number Diff line change
Expand Up @@ -97,7 +97,7 @@ struct sd_dif_tuple {
__be32 ref_tag; /* Target LBA or indirect LBA */
};

#if defined(CONFIG_BLK_DEV_INTEGRITY)
#ifdef CONFIG_BLK_DEV_INTEGRITY

extern void sd_dif_op(struct scsi_cmnd *, unsigned int, unsigned int, unsigned int);
extern void sd_dif_config_host(struct scsi_disk *);
Expand All @@ -106,10 +106,19 @@ extern void sd_dif_complete(struct scsi_cmnd *, unsigned int);

#else /* CONFIG_BLK_DEV_INTEGRITY */

#define sd_dif_op(a, b, c) do { } while (0)
#define sd_dif_config_host(a) do { } while (0)
#define sd_dif_prepare(a, b, c) (0)
#define sd_dif_complete(a, b) (0)
static inline void sd_dif_op(struct scsi_cmnd *cmd, unsigned int a, unsigned int b, unsigned int c)
{
}
static inline void sd_dif_config_host(struct scsi_disk *disk)
{
}
static inline int sd_dif_prepare(struct request *rq, sector_t s, unsigned int a)
{
return 0;
}
static inline void sd_dif_complete(struct scsi_cmnd *cmd, unsigned int a)
{
}

#endif /* CONFIG_BLK_DEV_INTEGRITY */

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