# # USB peripheral controller drivers # subdir-ccflags-$(CONFIG_USB_GADGET_DEBUG) := -DDEBUG subdir-ccflags-$(CONFIG_USB_GADGET_VERBOSE) += -DVERBOSE_DEBUG ccflags-y += -I$(srctree)/drivers/usb/gadget/udc obj-$(CONFIG_USB_LIBCOMPOSITE) += libcomposite.o libcomposite-y := usbstring.o config.o epautoconf.o libcomposite-y += composite.o functions.o configfs.o u_f.o obj-$(CONFIG_USB_GADGET) += udc/ function/ legacy/ git://git.distanz.ch/linux/net-next.git' title='net-next.git Git repository'/>
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authorChristoph Hellwig <hch@lst.de>2017-02-05 18:10:35 +0100
committerJens Axboe <axboe@fb.com>2017-02-06 09:34:46 -0700
commiteeeefd41843218c55a8782a6920f044d9bf6207a (patch)
treec342eac46626e62745aa8e1a982626efca8b121d /include/xen/features.h
parentc14024dbb156c8392908aaa822097d27c6af8ec8 (diff)
block: don't try Write Same from __blkdev_issue_zeroout
Write Same can return an error asynchronously if it turns out the underlying SCSI device does not support Write Same, which makes a proper fallback to other methods in __blkdev_issue_zeroout impossible. Thus only issue a Write Same from blkdev_issue_zeroout an don't try it at all from __blkdev_issue_zeroout as a non-invasive workaround. Signed-off-by: Christoph Hellwig <hch@lst.de> Reported-by: Junichi Nomura <j-nomura@ce.jp.nec.com> Fixes: e73c23ff ("block: add async variant of blkdev_issue_zeroout") Tested-by: Junichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/xen/features.h')