Lines Matching refs:of
5 types of I/O services available, and each type has a sync and an async
9 of the I/O. Each io_region indicates a block-device along with the starting
10 sector and size of the region.
19 to multiple regions are specified by an array of io_region structures.
21 The first I/O service type takes a list of memory pages as the data buffer for
36 The second I/O service type takes an array of bio vectors as the data buffer
38 but wants to direct different portions of the bio to different devices.
49 I/O to a large region but doesn't want to allocate a large number of individual
57 Callers of the asynchronous I/O services must include the name of a completion
63 all of the synchronous versions, is a bitset (instead of a simple error value).
64 In the case of an write-I/O to multiple regions, this bitset allows dm-io to
67 Before using any of the dm-io services, the user should call dm_io_get()
68 and specify the number of pages they expect to perform I/O on concurrently.
73 dm_io_put() and specify the same number of pages that were given on the