Messages in this thread Patch in this message | | | From | Sebastian Andrzej Siewior <> | Subject | [PATCH] usb/ub: deprecate & schedule for removal the "Low Performance USB Block" driver | Date | Wed, 14 Mar 2012 21:52:51 +0100 |
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Deprecate this driver. All devices which can be handled by this driver can also be handled by the usb-storage driver.
Cc: Pete Zaitcev <zaitcev@redhat.com> Cc: Jens Axboe <jaxboe@fusionio.com> Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> --- Documentation/feature-removal-schedule.txt | 15 +++++++++++++++ drivers/block/Kconfig | 2 +- drivers/block/ub.c | 2 ++ 3 files changed, 18 insertions(+), 1 deletions(-)
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index a0ffac0..f534828 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -524,3 +524,18 @@ Files: arch/arm/mach-at91/at91cap9.c Why: The code is not actively maintained and platforms are now hard to find. Who: Nicolas Ferre <nicolas.ferre@atmel.com> Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + +---------------------------- + +What: Low Performance USB Block driver ("CONFIG_BLK_DEV_UB") +When: 3.6 +Why: This driver provides support for USB storage devices like "USB + sticks". It translates the requests from the block layer into + READ & WRITE requests. It does not use the SCSI layer for device + handling and as results sdparm & smartmontool do not work. It + does not use libusual which holds various workarounds for + certain buggy devices. + As of now, it is deactivated in Debian, Fedora and Ubuntu. All + current users can switch over to usb-storage (CONFIG_USB_STORAGE) + which only drawback is the additional SCSI stack. +Who: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 4e4c8a4..a796407 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -354,7 +354,7 @@ config BLK_DEV_SX8 Use devices /dev/sx8/$N and /dev/sx8/$Np$M. config BLK_DEV_UB - tristate "Low Performance USB Block driver" + tristate "Low Performance USB Block driver (deprecated)" depends on USB help This driver supports certain USB attached storage devices diff --git a/drivers/block/ub.c b/drivers/block/ub.c index 298ac75..fcec022 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -2440,6 +2440,8 @@ static int __init ub_init(void) int rc; int i; + pr_info("'Low Performance USB Block' driver is deprecated. " + "Please switch to usb-storage\n"); for (i = 0; i < UB_QLOCK_NUM; i++) spin_lock_init(&ub_qlockv[i]); -- 1.7.9.1
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