X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=Documentation%2Fblock%2Fbiodoc.txt;h=6dd274d7e1cfb6562e2001787b2fb1ec757f8962;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=f24dbcaca4927afbf335ea22fd7168de0922a265;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git diff --git a/Documentation/block/biodoc.txt b/Documentation/block/biodoc.txt index f24dbcaca..6dd274d7e 100644 --- a/Documentation/block/biodoc.txt +++ b/Documentation/block/biodoc.txt @@ -1172,8 +1172,7 @@ PIO drivers (or drivers that need to revert to PIO transfer once in a while (IDE for example)), where the CPU is doing the actual data transfer a virtual mapping is needed. If the driver supports highmem I/O, (Sec 1.1, (ii) ) it needs to use __bio_kmap_atomic and bio_kmap_irq to -temporarily map a bio into the virtual address space. See how IDE handles -this with ide_map_buffer. +temporarily map a bio into the virtual address space. 8. Prior/Related/Impacted patches