Re: [PATCH 02/17] block: add a bdev_rw_virt helper
John Garry <[email protected]>
| Newsgroups | org.kernel.vger.linux-bcache,dev.linux.lists.dm-devel,dev.linux.lists.gfs2,org.kernel.vger.linux-block,org.kernel.vger.linux-btrfs,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-pm,org.kernel.vger.linux-xfs |
|---|---|
| Organization | Oracle Corporation |
| Message-ID | <[email protected]> |
On 22/04/2025 15:26, Christoph Hellwig wrote: > + * @sector: sector to accasse nit: typo in accasse > + * @data: data to read/write > + * @len: length to read/write > + * @op: operation (e.g. REQ_OP_READ/REQ_OP_WRITE) > + * > + * Performs synchronous I/O to @bdev for @data/@len. @data must be in > + * the kernel direct mapping and not a vmalloc address. > + */ > +int bdev_rw_virt(struct block_device *bdev, sector_t sector, void *data, > + size_t len, enum req_op op)