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libata: enable SATA disk fua detection on default

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Currently, SATA disk fua detection is disabled on default because most of
devices don't support this feature at that time.  With the development of
technology, more and more SATA disks support this feature.  So now we can enable
this detection on default.

Although fua detection is defined as a kernel module parameter, it is too hard
to set its value because it must be loaded and set before system starts up.
That needs to modify initrd file.  So it is inconvenient for administrator who
needs to manage a huge number of servers.

Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Zheng Liu 2012-05-08 11:24:03 +08:00 committed by Jeff Garzik
parent 04d0f1b849
commit 91895b786e
1 changed files with 2 additions and 2 deletions
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4
drivers/ata/libata-core.c
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@ -135,9 +135,9 @@ int atapi_passthru16 = 1;
module_param(atapi_passthru16, int, 0444);
MODULE_PARM_DESC(atapi_passthru16, "Enable ATA_16 passthru for ATAPI devices (0=off, 1=on [default])");
int libata_fua = 0;
int libata_fua = 1;
module_param_named(fua, libata_fua, int, 0444);
MODULE_PARM_DESC(fua, "FUA support (0=off [default], 1=on)");
MODULE_PARM_DESC(fua, "FUA support (0=off, 1=on [default])");
static int ata_ignore_hpa;
module_param_named(ignore_hpa, ata_ignore_hpa, int, 0644);