kernel 2.6.13-rc1-git7 after applaying patch transfer back to 72MB/s on aha19160 with 15k rpm seagate with reiserfs3 but possible deadlock in heavy IO - rsync ~50000-files from /mnt/seagate15k/a to /mnt/seagate15k/b ended in middle with deadlock of rsync (3 instances), pdflush, and gam_server in uninteruptible state -- system cannot kill this deadlocked uninterruptibles
any clue ???
xboom
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -2633,6 +2633,11 @@ static void ahc_linux_set_dt(struct scsi
ahc_unlock(ahc, &flags);
}
+#if 0
+/* FIXME: This code claims to support IU and QAS. However, the actual
+ * sequencer code and aic7xxx_core have no support for these parameters and
+ * will get into a bad state if they're negotiated. Do not enable this
+ * unless you know what you're doing */
static void ahc_linux_set_qas(struct scsi_target *starget, int qas)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
@@ -2688,6 +2693,7 @@ static void ahc_linux_set_iu(struct scsi
ppr_options, AHC_TRANS_GOAL, FALSE);
ahc_unlock(ahc, &flags);
}
+#endif
static struct spi_function_template ahc_linux_transport_functions = {
.set_offset = ahc_linux_set_offset,
@@ -2698,10 +2704,12 @@ static struct spi_function_template ahc_
.show_width = 1,
.set_dt = ahc_linux_set_dt,
.show_dt = 1,
+#if 0
.set_iu = ahc_linux_set_iu,
.show_iu = 1,
.set_qas = ahc_linux_set_qas,
.show_qas = 1,
+#endif
};
-
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