Lines Matching +full:block +full:- +full:copy
5 Kcopyd provides the ability to copy a range of sectors from one block-device
6 to one or more other block-devices, with an asynchronous completion
7 notification. It is used by dm-snapshot and dm-mirror.
10 to set aside for their copy jobs. This is done with a call to
16 To start a copy job, the user must set up io_region structures to describe
17 the source and destinations of the copy. Each io_region indicates a
18 block-device along with the starting sector and size of the region. The source
19 of the copy is given as one io_region structure, and the destinations of the
20 copy are given as an array of io_region structures::
28 To start the copy, the user calls kcopyd_copy(), passing in the client
30 completion callback routine, and a pointer to some context data for the copy::
39 When the copy completes, kcopyd will call the user's completion routine,
41 write error occurred during the copy.
43 When a user is done with all their copy jobs, they should call