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authorAlbert Lee <albertcc@tw.ibm.com>2007-06-07 16:01:17 +0800
committerJeff Garzik <jeff@garzik.org>2007-06-09 23:08:12 -0400
commit2c3d2a46f1ccf591850b20f4fdde12bcf2bf3dfd (patch)
tree148a2cd32ae40185bb547cb96cd17bcd920b8ab0
parentlibata passthru: always enforce correct DEV bit (diff)
downloadlinux-dev-2c3d2a46f1ccf591850b20f4fdde12bcf2bf3dfd.tar.xz
linux-dev-2c3d2a46f1ccf591850b20f4fdde12bcf2bf3dfd.zip
libata passthru: update cached device paramters
INIT_DEV_PARAMS and SET_MULTI_MODE change the device parameters cached by libata. Re-read IDENTIFY DEVICE info and update the cached device paramters when seeing these commands. Signed-off-by: Albert Lee <albertcc@tw.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--drivers/ata/libata-scsi.c22
-rw-r--r--include/linux/ata.h1
2 files changed, 17 insertions, 6 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 884f52f43f8f..c228df298bd8 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1363,12 +1363,22 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc)
* schedule EH_REVALIDATE operation to update the IDENTIFY DEVICE
* cache
*/
- if (ap->ops->error_handler &&
- !need_sense && (qc->tf.command == ATA_CMD_SET_FEATURES) &&
- ((qc->tf.feature == SETFEATURES_WC_ON) ||
- (qc->tf.feature == SETFEATURES_WC_OFF))) {
- ap->eh_info.action |= ATA_EH_REVALIDATE;
- ata_port_schedule_eh(ap);
+ if (ap->ops->error_handler && !need_sense) {
+ switch (qc->tf.command) {
+ case ATA_CMD_SET_FEATURES:
+ if ((qc->tf.feature == SETFEATURES_WC_ON) ||
+ (qc->tf.feature == SETFEATURES_WC_OFF)) {
+ ap->eh_info.action |= ATA_EH_REVALIDATE;
+ ata_port_schedule_eh(ap);
+ }
+ break;
+
+ case ATA_CMD_INIT_DEV_PARAMS: /* CHS translation changed */
+ case ATA_CMD_SET_MULTI: /* multi_count changed */
+ ap->eh_info.action |= ATA_EH_REVALIDATE;
+ ata_port_schedule_eh(ap);
+ break;
+ }
}
/* For ATA pass thru (SAT) commands, generate a sense block if
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 3e95e5c402d4..703febb2df31 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -151,6 +151,7 @@ enum {
ATA_CMD_WRITE_MULTI_EXT = 0x39,
ATA_CMD_WRITE_MULTI_FUA_EXT = 0xCE,
ATA_CMD_SET_FEATURES = 0xEF,
+ ATA_CMD_SET_MULTI = 0xC6,
ATA_CMD_PACKET = 0xA0,
ATA_CMD_VERIFY = 0x40,
ATA_CMD_VERIFY_EXT = 0x42,