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authorTejun Heo <htejun@gmail.com>2007-10-26 15:53:59 +0900
committerJeff Garzik <jeff@garzik.org>2007-10-30 09:59:42 -0400
commitb666da35d900c26cbea1caa465649e2e0afa406c (patch)
treec1636d741569fd9fcf39557e36210226e9d5d860 /drivers/ata/libata-scsi.c
parent5595ddf98cb3bf2c18b3b96587a1a9b0b08c267a (diff)
libata: flush is an IO command
ATA_QCFLAG_IO is used to mark commands which are used to perform regluar IO transfers via block layer. These commands are assumed to be valid and taken more seriously during error handling. Cache flush is used by regular IO path and necessary for data integrity. Mark it with ATA_QCFLAG_IO. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/libata-scsi.c')
-rw-r--r--drivers/ata/libata-scsi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 93bd36c1969..6ef5ecb917c 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1108,6 +1108,9 @@ static unsigned int ata_scsi_flush_xlat(struct ata_queued_cmd *qc)
else
tf->command = ATA_CMD_FLUSH;
+ /* flush is critical for IO integrity, consider it an IO command */
+ qc->flags |= ATA_QCFLAG_IO;
+
return 0;
}