ee87a3cadb
Retrieving device dependencies doesn't need to be target specific.
The reason it currently needs ->deps() is because dm core doesn't
have data structure that allows table to walk through target's
underlying devices. Add struct dm_mapping to be able to do this,
and remove ->deps()'s from targets which basically do the same thing.
=====(A) before this commit
table
| [dm core]
-------------------------------------------------------
| pdev pdev pdev [dm targets]
v ^ ^ ^
target----/---------/---------/
(void*)
=====(B) this commit
table---->mapping-->mapping-->mapping-->...
| | | |
| v v v [dm core]
-------------------------------------------------------
| pdev pdev pdev [dm targets]
v ^ ^ ^
target----/---------/---------/
(void*)
taken-from: DragonFlyBSD
|
||
|---|---|---|
| .. | ||
| doc | ||
| device-mapper.c | ||
| dm_dev.c | ||
| dm_ioctl.c | ||
| dm_pdev.c | ||
| dm_table.c | ||
| dm_target_error.c | ||
| dm_target_linear.c | ||
| dm_target_mirror.c | ||
| dm_target_snapshot.c | ||
| dm_target_stripe.c | ||
| dm_target_zero.c | ||
| dm_target.c | ||
| dm.h | ||
| files.dm | ||
| Makefile | ||
| netbsd-dm.h | ||
| TODO | ||