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scsi: libata: Fix the ata_scsi_dma_need_drain stub 

We not only need the stub when libata is disabled, but also if it is
modular and there are built-in SAS drivers (which can happen when
SCSI_SAS_ATA is disabled).

Link: https://lore.kernel.org/r/20200620071302.462974-2-hch@lst.de
Fixes: b8f1d1e058 ("scsi: Wire up ata_scsi_dma_need_drain for SAS HBA drivers")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig 2020-06-20 09:13:02 +02:00 committed by Martin K. Petersen
parent 632f24f09d
commit aad4b4d15f
1 changed files with 1 additions and 1 deletions
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2
include/linux/libata.h
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@ -1092,7 +1092,7 @@ extern int ata_scsi_ioctl(struct scsi_device *dev, unsigned int cmd,
#define ATA_SCSI_COMPAT_IOCTL /* empty */
#endif
extern int ata_scsi_queuecmd(struct Scsi_Host *h, struct scsi_cmnd *cmd);
#if IS_ENABLED(CONFIG_ATA)
#if IS_REACHABLE(CONFIG_ATA)
bool ata_scsi_dma_need_drain(struct request *rq);
#else
#define ata_scsi_dma_need_drain NULL