#include #include #include #include bool xen_biovec_phys_mergeable(const struct bio_vec *vec1, const struct bio_vec *vec2) { #if XEN_PAGE_SIZE == PAGE_SIZE unsigned long bfn1 = pfn_to_bfn(page_to_pfn(vec1->bv_page)); unsigned long bfn2 = pfn_to_bfn(page_to_pfn(vec2->bv_page)); return __BIOVEC_PHYS_MERGEABLE(vec1, vec2) && ((bfn1 == bfn2) || ((bfn1+1) == bfn2)); #else /* * XXX: Add support for merging bio_vec when using different page * size in Xen and Linux. */ return 0; #endif } EXPORT_SYMBOL(xen_biovec_phys_mergeable); ///git.distanz.ch/cgit.cgi/linux/net-next.git' title='net-next.git Git repository'/>
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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-02-03 22:19:15 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-02-03 22:19:15 +0100
commit424414947da3dd5cb0d60e4f299f7c51e472ae77 (patch)
treea4067480c4256c80ae8f8438a3e4bb88e32050bc /drivers/usb/storage/freecom.c
parenta3683e0c1410c5c8136a7a93b0336ce88d3b893a (diff)
parentd07830db1bdb254e4b50d366010b219286b8c937 (diff)
Merge tag 'usb-serial-4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes: USB-serial fixes for v4.10-rc7 One more device ID for pl2303. Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/storage/freecom.c')