| commit | 3f4896b5d392137ff92cbdc447310417ac980768 | |
| author | Paolo Bonzini <pbonzini@redhat.com> | |
| Tue, 17 Jan 2012 04:07:31 +0000 (17 04:07 +0000) | ||
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
| Fri, 3 Feb 2012 17:26:53 +0000 (3 09:26 -0800) | ||
| tree | 359186433015088105a7c6429848f28bf5888a47 | treesnapshot (tar.gz zip) |
| parent | ddd80d112479aaa16e3b82c5729451dcbeafe00c | commitdiff |
dm: do not forward ioctls from logical volumes to the underlying device
commit ec8013beddd717d1740cfefb1a9b900deef85462 upstream.
A logical volume can map to just part of underlying physical volume.
In this case, it must be treated like a partition.
Based on a patch from Alasdair G Kergon.
Cc: Alasdair G Kergon <agk@redhat.com>
Cc: dm-devel@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[bwh: Backport to 2.6.32 - drop change to drivers/md/dm-flakey.c]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit ec8013beddd717d1740cfefb1a9b900deef85462 upstream.
A logical volume can map to just part of underlying physical volume.
In this case, it must be treated like a partition.
Based on a patch from Alasdair G Kergon.
Cc: Alasdair G Kergon <agk@redhat.com>
Cc: dm-devel@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[bwh: Backport to 2.6.32 - drop change to drivers/md/dm-flakey.c]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| drivers/md/dm-linear.c | diffblobblamehistory | |
| drivers/md/dm-mpath.c | diffblobblamehistory |