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authorTejun Heo <htejun@gmail.com>2006-05-15 07:58:07 -0400
committerTejun Heo <htejun@gmail.com>2006-05-15 07:58:07 -0400
commit7b70fc039824bc7303e4007a5f758f832de56611 (patch)
treed973a40055dec97fedc5ae87852667ed2d30ea71 /drivers/scsi/libata.h
parentf686bcb8078ac7505ec88818886c2c72639f4fc5 (diff)
[PATCH] libata-eh-fw: implement ata_port_schedule_eh() and ata_port_abort()
ata_port_schedule_eh() directly schedules EH for @ap without associated qc. Once EH scheduled, no further qc is allowed and EH kicks in as soon as all currently active qc's are drained. ata_port_abort() schedules all currently active commands for EH by qc_completing them with ATA_QCFLAG_FAILED set. If ata_port_abort() doesn't find any qc to abort, it directly schedule EH using ata_port_schedule_eh(). These two functions provide ways to invoke EH for conditions which aren't directly related to any specfic qc. Signed-off-by: Tejun Heo <htejun@gmail.com>
Diffstat (limited to 'drivers/scsi/libata.h')
-rw-r--r--drivers/scsi/libata.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h
index 52622b7f8a9e..b76ad7d7062a 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -98,6 +98,7 @@ extern void ata_scsi_set_sense(struct scsi_cmnd *cmd,
98extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args, 98extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
99 unsigned int (*actor) (struct ata_scsi_args *args, 99 unsigned int (*actor) (struct ata_scsi_args *args,
100 u8 *rbuf, unsigned int buflen)); 100 u8 *rbuf, unsigned int buflen));
101extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);
101 102
102/* libata-eh.c */ 103/* libata-eh.c */
103extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd); 104extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);