| commit | 36a0456fbf2d9680bf9af81b39daf4a8e22cb1b8 | |
| author | Alasdair G Kergon <agk@redhat.com> | |
| Mon, 31 Oct 2011 20:19:04 +0000 (31 20:19 +0000) | ||
| committer | Alasdair G Kergon <agk@redhat.com> | |
| Mon, 31 Oct 2011 20:19:04 +0000 (31 20:19 +0000) | ||
| tree | a19af18640d538e8357c195e6b4c77d0f6c92391 | treesnapshot (tar.gz zip) |
| parent | cc6cbe141a20f6d876b161b60af38d93935bfa85 | commitdiff |
dm table: add immutable feature
Introduce DM_TARGET_IMMUTABLE to indicate that the target type cannot be mixed
with any other target type, and once loaded into a device, it cannot be
replaced with a table containing a different type.
The thin provisioning pool device will use this.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Introduce DM_TARGET_IMMUTABLE to indicate that the target type cannot be mixed
with any other target type, and once loaded into a device, it cannot be
replaced with a table containing a different type.
The thin provisioning pool device will use this.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>