>
> The mxs-mmc is just one example to demonstrate the need of the new
> api, and there are other mmc host drivers (mxcmmc on imx-dma is
> another example) and possibly even other dmaengine users need this
> new api to know the maximum segments that dma driver can handle per
> dma
rw = (bp->b_flags & XBF_WRITE)
? WRITE_META : READ_META;
include/linux/fs.h:164:#define READ_META(READ | REQ_META)
include/linux/fs.h:168:#define WRITE_META (WRITE | REQ_META)
btrfs seems to not use REQ_META yet. *poke* *poke* :-)
--
Matthew Wilcox