Lines Matching refs:io_region

9 The user must set up an io_region structure to describe the desired location
10 of the I/O. Each io_region indicates a block-device along with the starting
13    struct io_region {
19 Dm-io can read from one io_region or write to one or more io_regions. Writes
20 to multiple regions are specified by an array of io_region structures.
30    int dm_io_sync(unsigned int num_regions, struct io_region *where, int rw,
33    int dm_io_async(unsigned int num_regions, struct io_region *where, int rw,
41    int dm_io_sync_bvec(unsigned int num_regions, struct io_region *where,
44    int dm_io_async_bvec(unsigned int num_regions, struct io_region *where,
53    int dm_io_sync_vm(unsigned int num_regions, struct io_region *where, int rw,
55    int dm_io_async_vm(unsigned int num_regions, struct io_region *where, int rw,