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scsi: remove eh_timed_out methods in the transport template

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Instead define the timeout behavior purely based on the host_template
eh_timed_out method and wire up the existing transport implementations
in the host templates.  This also clears up the confusion that the
transport template method overrides the host template one, so some
drivers have to re-override the transport template one.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Reviewed-by: Tyrel Datwyler <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
This commit is contained in:
Christoph Hellwig 2017-01-30 13:18:58 +01:00 • committed by Martin K. Petersen
commit b6a05c823f
33 changed files with 38 additions and 33 deletions
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1
drivers/ata/libata-eh.c
View file

@ -549,6 +549,7 @@ enum blk_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd)
DPRINTK("EXIT, ret=%d\n", ret);
return ret;
}
EXPORT_SYMBOL(ata_scsi_timed_out);
static void ata_eh_unload(struct ata_port *ap)
{

1
drivers/ata/libata-transport.c
View file

@ -716,7 +716,6 @@ struct scsi_transport_template *ata_attach_transport(void)
return NULL;
i->t.eh_strategy_handler = ata_scsi_error;
i->t.eh_timed_out = ata_scsi_timed_out;
i->t.user_scan = ata_scsi_user_scan;
i->t.host_attrs.ac.attrs = &i->port_attrs[0];

1
drivers/ata/libata.h
View file

@ -159,7 +159,6 @@ extern unsigned long ata_internal_cmd_timeout(struct ata_device *dev, u8 cmd);
extern void ata_internal_cmd_timed_out(struct ata_device *dev, u8 cmd);
extern void ata_eh_acquire(struct ata_port *ap);
extern void ata_eh_release(struct ata_port *ap);
extern enum blk_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
extern void ata_scsi_error(struct Scsi_Host *host);
extern void ata_eh_fastdrain_timerfn(unsigned long arg);
extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);