| commit | 3791e2fc0e4b40d4188e79b0a99bfa6bce714a10 | |
| author | Alasdair G Kergon <agk@redhat.com> | |
| Mon, 31 Oct 2011 20:19:00 +0000 (31 20:19 +0000) | ||
| committer | Alasdair G Kergon <agk@redhat.com> | |
| Mon, 31 Oct 2011 20:19:00 +0000 (31 20:19 +0000) | ||
| tree | 2dc67f0593e1cb1f3dc07ff9883a03fe9edb4b2a | treesnapshot (tar.gz zip) |
| parent | 7f06965390e4a10fb6906c886324bfd0a96961be | commitdiff |
dm table: add singleton feature
Introduce the concept of a singleton table which contains exactly one target.
If a target type sets the DM_TARGET_SINGLETON feature bit device-mapper
will ensure that any table that includes that target contains no others.
The thin provisioning pool target uses this.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Introduce the concept of a singleton table which contains exactly one target.
If a target type sets the DM_TARGET_SINGLETON feature bit device-mapper
will ensure that any table that includes that target contains no others.
The thin provisioning pool target uses this.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
| drivers/md/dm-table.c | diffblobblamehistory | |
| include/linux/device-mapper.h | diffblobblamehistory |