Re: undeprecate raw driver.

Jan Engelhardt
2007-05-13T16:36:18Z

On May 13 2007 12:32, Dave Jones wrote:

>Despite repeated attempts over the last two and half years, this driver
>seems somewhat persistant. Remove its deprecated status as it has
>existing users who may not be in a position to migrate their apps
>to O_DIRECT.
>
>Signed-off-by: Dave Jones <davej@redhat.com>
>
>diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
>index 498ff31..5108619 100644
>--- a/Documentation/feature-removal-schedule.txt
>+++ b/Documentation/feature-removal-schedule.txt
>@@ -41,14 +41,6 @@ Who: Pavel Machek <pavel@suse.cz>
>
> ---------------------------
>
>-What: RAW driver (CONFIG_RAW_DRIVER)
>-When: December 2005
>-Why: declared obsolete since kernel 2.6.3
>- O_DIRECT can be used instead
>-Who: Adrian Bunk <bunk@stusta.de>
>-
>----------------------------
>-
> What: raw1394: requests of type RAW1394_REQ_ISO_SEND, RAW1394_REQ_ISO_LISTEN
> When: June 2007
> Why: Deprecated in favour of the more efficient and robust rawiso interface.
>diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
>index abcafac..1e4d688 100644
>--- a/drivers/char/Kconfig
>+++ b/drivers/char/Kconfig
>@@ -993,15 +993,14 @@ config GPIO_VR41XX
> depends on CPU_VR41XX
>
> config RAW_DRIVER
>- tristate "RAW driver (/dev/raw/rawN) (OBSOLETE)"
>+ tristate "RAW driver (/dev/raw/rawN)"
> depends on BLOCK
> help
>- The raw driver permits block devices to be bound to /dev/raw/rawN.
>- Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O.
>+ The raw driver permits block devices to be bound to /dev/raw/rawN.
>+ Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O.
> See the raw(8) manpage for more details.
>
>- The raw driver is deprecated and will be removed soon.
>- Applications should simply open the device (eg /dev/hda1)
>+ Applications should preferably open the device (eg /dev/hda1)
> with the O_DIRECT flag.
>
> config MAX_RAW_DEVS

At least keep the "it's obsolete" Kconfig description. We
don't want new users/projects to jump on /dev/raw.

Jan
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