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authorLinus Torvalds <torvalds@g5.osdl.org>2006-02-27 20:43:36 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-27 20:43:36 -0800
commita8b76b491510b7591c584838d0d7922f9ffe5c2c (patch)
treeb0d9e8b9c428b59beaf3251db17a54dfc1fd1a11
parent637029c6cb5efcbaa3d5831af4c1972bdd629779 (diff)
parentc3c013a2c218cdede2d2e73df01ed4f813538941 (diff)
downloadlinux-bcache-a8b76b491510b7591c584838d0d7922f9ffe5c2c.tar.zst
Merge branch 'upstream-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
-rw-r--r--drivers/scsi/libata-core.c4
-rw-r--r--drivers/scsi/libata-scsi.c2
-rw-r--r--drivers/scsi/libata.h1
3 files changed, 7 insertions, 0 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 5f1d7580218d..4f91b0dc572b 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -82,6 +82,10 @@ int atapi_enabled = 0;
module_param(atapi_enabled, int, 0444);
MODULE_PARM_DESC(atapi_enabled, "Enable discovery of ATAPI devices (0=off, 1=on)");
+int libata_fua = 0;
+module_param_named(fua, libata_fua, int, 0444);
+MODULE_PARM_DESC(fua, "FUA support (0=off, 1=on)");
+
MODULE_AUTHOR("Jeff Garzik");
MODULE_DESCRIPTION("Library module for ATA devices");
MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 07b1e7cc61df..59503c9ccac9 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -1708,6 +1708,8 @@ static int ata_dev_supports_fua(u16 *id)
{
unsigned char model[41], fw[9];
+ if (!libata_fua)
+ return 0;
if (!ata_id_has_fua(id))
return 0;
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h
index e03ce48b7b4b..fddaf479a544 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -41,6 +41,7 @@ struct ata_scsi_args {
/* libata-core.c */
extern int atapi_enabled;
+extern int libata_fua;
extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
struct ata_device *dev);
extern int ata_rwcmd_protocol(struct ata_queued_cmd *qc);