Commit:     b666da35d900c26cbea1caa465649e2e0afa406c
Parent:     5595ddf98cb3bf2c18b3b96587a1a9b0b08c267a
Author:     Tejun Heo <[EMAIL PROTECTED]>
AuthorDate: Fri Oct 26 15:53:59 2007 +0900
Committer:  Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Tue Oct 30 09:59:42 2007 -0400

    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 <[EMAIL PROTECTED]>
    Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
 drivers/ata/libata-scsi.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 93bd36c..6ef5ecb 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)
                tf->command = ATA_CMD_FLUSH;
+       /* flush is critical for IO integrity, consider it an IO command */
+       qc->flags |= ATA_QCFLAG_IO;
        return 0;
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