On Wed, Jul 08, 2015 at 05:31:26PM +0530, Tejaswini Poluri wrote:
> Thanks a lot.
> Can you guide me how to push upstream for the approval. Which branch
> should I push to? Any list of testcases I should perform before I could
> push?
All you do is post it to dm-devel. I think it's easier for Christophe
to pull the patches in, if you post them directly in the email. "git
format-patch" and "git send-email" make this a lot faster.
Please do whatever testing you feel is appropriate before posting.
About the patches specifically: In cli_add_map(), wouldn't it make more
sense to only do the coalesce_paths() if dm_mapname() fails. If it
succeeds you clearly already have an existing map, so you don't need to
create one.
-Ben
> I have created the following two patches. PFA
> Regards,
> Tejaswini
> On Mon, Jul 6, 2015 at 11:15 PM, Benjamin Marzinski
> <[1]bmarzins@xxxxxxxxxx> wrote:
>
> On Tue, Jun 30, 2015 at 11:22:37AM +0530, Tejaswini Poluri wrote:
> > Thanks Ben. So should I push the code to the upstream and get an
> approval?
> > Regards,
>
> Yes. Thanks!
>
> -Ben
> > Tejaswini
> > On Tue, Jun 30, 2015 at 12:50 AM, Benjamin Marzinski
> > <[1][2]bmarzins@xxxxxxxxxx> wrote:
> >
> > On Fri, Jun 26, 2015 at 12:21:48PM +0530, Tejaswini Poluri wrote:
> > > Yes I agree that having the same code in both cli_add_map()
> and
> > ev_add_map
> > > is not necessary. Hence I would suggest removing
> get_refwwid() code
> > from
> > > ev_add_map as it is not being used by anyone.
> > >
> > > ev_add_map(param, NULL, vecs) would create the multipath
> device by
> > using
> > > the get_refwwid() code and but all the functions above it
> like
> > > (dm_get_minor, dm_get_major and dm_mapname) would fail and
> it
> > wouldn't
> > > enter any of the other code in ev_add_map like
> > > 1.dm_map_present,
> > > 2.add_map_without_path
> > > 3. sync_map_state
> > > which are responsible for registering the map and displaying
> it.
> > >
> > > So, I think moving the below code from ev_add_map to
> cli_add_map
> > should be
> > > a good idea right.
> > >
> > > r = get_refwwid(dev, DEV_DEVMAP, vecs->pathvec,&refwwid);
> > > >
> > > > if (refwwid) {
> > > > r = coalesce_paths(vecs, NULL,
> refwwid,0);
> > > > dm_lib_release();
> > > > }
> > > What do u think?
> >
> > I agree. We aren't using the code in ev_add_map, so it's presence
> there
> > is simply confusing.
> >
> > -Ben
> > >
> > > Regards,
> > > Tejaswini
> > > On Fri, Jun 26, 2015 at 4:32 AM, Benjamin Marzinski
> > > <[1][2][3]bmarzins@xxxxxxxxxx> wrote:
> > >
> > > On Tue, Jun 23, 2015 at 03:48:26PM +0530, Tejaswini Poluri
> wrote:
> > > > Hi Ben,
> > > >
> > > > This is regarding the add map issue I have been
> discussing.
> > Posting
> > > the
> > > > issue again to remind.
> > > >
> > > > Case 1 : remove and add map.
> > > > root@x86-generic-64:~# multipathd -k'show maps'
> > > > name sysfs uuid
> > > > dmpath0 dm-0 1IET_00010001
> > > > root@x86-generic-64:~# multipathd -k'remove map
> dmpath0'
> > > > ok
> > > > root@x86-generic-64:~# multipathd -k'show maps'
> > > > root@x86-generic-64:~# multipathd -k'add map dmpath0'
> > > > ok
> > > > root@x86-generic-64:~# multipathd -k'show maps'
> > > > root@x86-generic-64:~#
> > > > Once a map is removed, we are able to add it only
> using
> > #multipath
> > > > command and not using multipathd tools.
> > > >
> > > > I have fixed the problem with two approaches. I would
> like
> > you to
> > > review
> > > > the same.
> > > > Patch1 : By making 'remove map dmpath0' to remove
> only the
> > map and
> > > not the
> > > > device. I have added extra functions discard_map and
> > dm_remove_map
> > > so as
> > > > to not interfere with the existing code.
> > > >
> > > > Patch 2: The approach you have suggested.By getting
> wwid
> > from the
> > > mapname
> > > > and doing coalesce_paths. I have just moved the
> following
> > code in
> > > > ev_add_map to cli_add_map.
> > >
> > > This is the general idea we'd like to go with. However,
> looking
> > at the
> > > latest upstream code, I don't think you should pull code
> in from
> > > ev_add_map() to cli_add_map() like your patch does.
> cli_add_map()
> > > already calls ev_add_map(), and ev_add_map() is certainly
> able to
> > add
> > > the map if it doesn't already exist.
> > >
> > > You would just need to call it with
> > >
> > > ev_add_map(param, NULL, vecs);
> > >
> > > and ev_add_map() will happily create you a new multipath
> device.
> > All
> > > you need to do is make sure that all the functions that
> > ev_add_map()
> > > calls with alias can accept a NULL value there.
> > >
> > > This might not be the best way to go about this, however.
> It
> > turns out
> > > that right now, even though ev_add_map() technically has
> the
> > ability to
> > > create new maps, nothing currently uses it, and it really
> doesn't
> > make
> > > sense for it to be there. Instead of just copying that
> code, you
> > could
> > > pull the map creation code out of ev_add_map() and add it
> to
> > > cli_add_map(), for those situations where the requested
> device
> > doesn't
> > > already exist.
> > >
> > > But having the code in both cli_add_map() and ev_add_map()
> when
> > one
> > > already calls the other doesn't seem necessary.
> > >
> > > -Ben
> > >
> > > >
> > > > r = get_refwwid(dev, DEV_DEVMAP,
> vecs->pathvec,&refwwid);
> > > >
> > > > if (refwwid) {
> > > > r = coalesce_paths(vecs, NULL,
> refwwid,0);
> > > > dm_lib_release();
> > > > }
> > > >
> > > > changed dev to param.
> > > >
> > > > I have tested the same in all 3 versions -0.4.8,
> 0.4.9 and
> > 0.5.0.
> > > It would
> > > > be great if you can review the same so that it
> doesn't cause
> > any
> > > extra
> > > > side effects.
> > > > I guess Patch2 is the way u have suggested me in the
> > previous mail.
> > > Please
> > > > review it and share your views.
> > > > Regards,
> > > > Tejaswini
> > > > On Fri, Jun 12, 2015 at 2:21 AM, Benjamin Marzinski
> > > > <[1][2][3][4]bmarzins@xxxxxxxxxx> wrote:
> > > >
> > > > On Wed, Jun 10, 2015 at 11:46:51AM +0530, Tejaswini
> Poluri
> > wrote:
> > > > >
> > > > > > We are testing multipathd tools with all
> the
> > possible
> > > options
> > > > and the
> > > > > > following fails.
> > > > > >
> > > > > > Case 1 : remove and add map.
> > > > > > root@x86-generic-64:~# multipathd -k'show
> maps'
> > > > > > name sysfs uuid
> > > > > > dmpath0 dm-0 1IET_00010001
> > > > > > root@x86-generic-64:~# multipathd
> -k'remove map
> > > dmpath0'
> > > > > > ok
> > > > > > root@x86-generic-64:~# multipathd -k'show
> maps'
> > > > > > root@x86-generic-64:~# multipathd -k'add
> map
> > dmpath0'
> > > > > > ok
> > > > > > root@x86-generic-64:~# multipathd -k'show
> maps'
> > > > > > root@x86-generic-64:~#
> > > > > > Once a map is removed, we are able to add
> it
> > only using
> > > > #multipath
> > > > > > command and not using multipathd tools.
> > > > >
> > > > > It is working the way it was designed, but
> possibly
> > it would
> > > make
> > > > sense
> > > > > to change the design.
> > > > >
> > > > > You have mentioned that it would make sense to
> change
> > the
> > > design to
> > > > add
> > > > > map. Are there plans to change the design ?
> > > > > I am trying to understand the code flow to
> change the
> > > design. Can
> > > > you
> > > > > guide me if we should stop removing the device
> from
> > in the
> > > remove
> > > > map code
> > > > > flow or start adding the device and the map in
> the
> > add map
> > > code
> > > > flow.
> > > > >
> > > > > have tried to understand the remove map code
> flow of
> > > multipathd in
> > > > 0.4.8
> > > > > code.
> > > >
> > > > I think that we want multipath to actually remove
> the map
> > > (instead of
> > > > just not monitoring it) when you call "remove map
> <map>".
> > We just
> > > want
> > > > "add map <map>" to try to create the map if it
> doesn't
> > exist. To
> > > do
> > > > that, you would need to first firgure out what WWID
> is
> > associated
> > > with
> > > > <map>. Presumably, <map> could either be an alias,
> wwid,
> > or even
> > > the
> > > > name of a path in the map. Once you found the map,
> you
> > would have
> > > to
> > > > call the code to create the map.
> > > >
> > > > Also, to answer your IRC question, no the 0.4.8
> code is
> > not still
> > > being
> > > > developed upstream. All upstream patches only go
> against
> > the
> > > current
> > > > head. There are no other upstream branches.
> > > >
> > > > -Ben
> > > > >
> > > > > ev_remove_map (char * devname, struct vectors
> * vecs)
> > > > >
> > > > > flush_map(mpp, vecs);
> > > > >
> > > > >
> dm_flush_map(mpp->alias,
> > > DEFAULT_TARGET);
> > > > >
> > > > > if
> > > (!dm_map_present(mapname))
> > > > >
> > > > > return
> 0;
> > > > >
> > > > > if (dm_type(mapname, type) <= 0)
> > > > >
> > > > > return 1;
> > > > >
> > > > > if (dm_remove_partmaps(mapname))
> > > > >
> > > > > return 1;
> > > > >
> > > > > if (dm_get_opencount(mapname)) {
> > > > >
> > > > > condlog(2, "%s: map in use",
> mapname);
> > > > >
> > > > > return 1;
> > > > >
> > > > > }
> > > > >
> > > > > r = dm_simplecmd(DM_DEVICE_REMOVE,
> mapname);
> > > > >
> > > > > if (r) {
> > > > >
> > > > > condlog(4, "multipath map %s
> removed",
> > > mapname);
> > > > >
> > > > >
> return
> > 0;
> > > > >
> > > > > }
> > > > >
> > > > >
> > > > >
> > > > >
> orphan_paths(vecs->pathvec,
> > mpp);
> > > > >
> > > > > remove_map(mpp, vecs,
> > > stop_waiter_thread,
> > > > 1);
> > > > >
> > > > > Is removing this below line, the right step to
> stop
> > removing
> > > the
> > > > device ?
> > > > > r = dm_simplecmd(DM_DEVICE_REMOVE, mapname);
> > > > >
> > > > > Regards,
> > > > >
> > > > > Tejaswini
> > > > >
> > > > > On Mon, Jun 8, 2015 at 11:15 AM, Tejaswini
> Poluri
> > > > > <[1][2][3][4][5]tejaswinipoluri3@xxxxxxxxx>
> wrote:
> > > > >
> > > > > Thanks a lot Ben for the quick and detailed
> reply.
> > I have
> > > been
> > > > > struggling to understand and conclude the
> issues
> > with
> > > multipath
> > > > as I am
> > > > > the only one working from my team. Your
> inputs help
> > me a
> > > lot.
> > > > Thanks
> > > > > again.
> > > > > Regards,
> > > > > Tejaswini
> > > > > On Sat, Jun 6, 2015 at 3:36 AM, Benjamin
> Marzinski
> > > > > <[2][3][4][5][6]bmarzins@xxxxxxxxxx> wrote:
> > > > >
> > > > > On Fri, Jun 05, 2015 at 02:31:20PM +0530,
> > Tejaswini
> > > Poluri
> > > > wrote:
> > > > > > Hii Ben,
> > > > > >
> > > > > > We are testing multipathd tools with
> all the
> > > possible
> > > > options and
> > > > > the
> > > > > > following fails.
> > > > > >
> > > > > > Case 1 : remove and add map.
> > > > > > root@x86-generic-64:~# multipathd
> -k'show
> > maps'
> > > > > > name sysfs uuid
> > > > > > dmpath0 dm-0 1IET_00010001
> > > > > > root@x86-generic-64:~# multipathd
> -k'remove
> > map
> > > dmpath0'
> > > > > > ok
> > > > > > root@x86-generic-64:~# multipathd
> -k'show
> > maps'
> > > > > > root@x86-generic-64:~# multipathd
> -k'add map
> > > dmpath0'
> > > > > > ok
> > > > > > root@x86-generic-64:~# multipathd
> -k'show
> > maps'
> > > > > > root@x86-generic-64:~#
> > > > > > Once a map is removed, we are able to
> add it
> > only
> > > using
> > > > > #multipath
> > > > > > command and not using multipathd
> tools.
> > > > >
> > > > > It is working the way it was designed, but
> > possibly it
> > > would
> > > > make
> > > > > sense
> > > > > to change the design. The "remove map"
> command,
> > not
> > > only stops
> > > > > multipathd from monitoring the multipath
> device,
> > but it
> > > removes
> > > > it
> > > > > from
> > > > > the system as well. The "add map" command
> makes
> > > multipath
> > > > monitor an
> > > > > already existing multipath device that in
> wasn't
> > > previously
> > > > > monitoring.
> > > > > These commands do this for historical
> reasons.
> > > multipathd
> > > > wasn't
> > > > > originally in charge of creating multipath
> > devices,
> > > multipath
> > > > was.
> > > > > Once
> > > > > it had created the device, it ran
> > > > >
> > > > > multipathd -k"add map <MAP>"
> > > > >
> > > > > to make multipathd start monitoring it.
> However
> > things
> > > haven't
> > > > worked
> > > > > this way since RHEL4, so possibly "add
> map"
> > should
> > > actually
> > > > create the
> > > > > device if it doesn't currently exist.
> > > > > > Case 2 : Active paths test case
> > > > > > # while true ; do sleep 3 ;
> multipathd
> > -k'remove
> > > path sdb'
> > > > ;
> > > > > multipathd
> > > > > > -k'add path sdb' ; multipathd -k'show
> maps
> > status'
> > > ; done
> > > > > > ok
> > > > > > ok
> > > > > > name failback queueing paths dm-st
> > > > > > dmpath0 - - 1 active // It should be
> 2.
> > > > >
> > > > > This is simply a timing issue. What you
> are
> > seeing it
> > > the
> > > > number of
> > > > > active paths. These are paths that the
> kernel
> > can use.
> > > The
> > > > "add path"
> > > > > command doesn't update the kernel state.
> This
> > happens
> > > later in
> > > > > response
> > > > > to the kernel reloading the device table.
> So, in
> > a
> > > second or
> > > > two, this
> > > > > will say 2, as expected.
> > > > >
> > > > > > We would like to know if the test
> cases are
> > valid
> > > and if
> > > > these
> > > > > are bugs or
> > > > > > any design issues.
> > > > > >
> > > > > > Case 3 : Fail path and reinstate path
> > > > > > root@x86-generic-64:~# multipathd
> -k"fail
> > path
> > > sdc";
> > > > multipathd
> > > > > > -k'reinstate path sdc'; multipathd
> -k"show
> > paths";
> > > > > > > [ 3962.708523] device-mapper:
> > multipath:
> > > Failing path
> > > > 8:32.
> > > > > > > ok
> > > > > > > ok
> > > > > > > hcil dev dev_t pri dm_st
> chk_st
> > > next_check
> > > > > > > 4:0:0:1 sdc 8:32 1
> [active][faulty]
> > > ..........
> > > > 1/20
> > > > > <==CHECK
> > > > > > > 5:0:0:1 sdd 8:48 1
> [active][ready]
> > > XX........
> > > > 4/20
> > > > > > sdc path becomes [active][ready] only
> after
> > the
> > > polling
> > > > interval
> > > > > but not
> > > > > > immediately after the reinstate path
> > command.
> > > > > > You have answered that this is a
> design
> > issue. But
> > > we have
> > > > heard
> > > > > from our
> > > > > > test team that the same test case
> works in
> > RHEL6.
> > > Did you
> > > > observe
> > > > > it?
> > > > > > I am also finding that the test cases
> fail
> > because
> > > we are
> > > > trying
> > > > > to do
> > > > > > multiple commands at one shot.
> Please share
> > your
> > > thoughts
> > > > so
> > > > > that it
> > > > > > could help me in debugging the issues
> > further.
> > > > > >
> > > > >
> > > > > It's totally possible that the checker
> state is
> > > immediately
> > > > updated in
> > > > > RHEL6. Like I said before, what it
> currently
> > does,
> > > although
> > > > correct,
> > > > > is confusing, and perhaps we need a
> different
> > checker
> > > state for
> > > > paths
> > > > > where the "fail path" command has been
> used.
> > > > >
> > > > > -Ben
> > > > > > Regards,
> > > > > > Tejaswini
> > > > > > On Tue, May 19, 2015 at 5:37 PM,
> Tejaswini
> > Poluri
> > > > > >
> <[1][3][4][5][6][7]tejaswinipoluri3@xxxxxxxxx>
> > wrote:
> > > > > >
> > > > > > Thanks a lot Ben. I will look into
> it
> > more.
> > > > > > On Mon, May 18, 2015 at 9:57 PM,
> Benjamin
> > > Marzinski
> > > > > >
> <[2][4][5][6][7][8]bmarzins@xxxxxxxxxx>
> > wrote:
> > > > > >
> > > > > > On Mon, May 18, 2015 at
> 02:09:27PM
> > +0530,
> > > Tejaswini
> > > > Poluri
> > > > > wrote:
> > > > > > > Hii,
> > > > > > > We are trying to test
> multipath
> > setup in
> > > our
> > > > target and
> > > > > tried the
> > > > > > various
> > > > > > > commands of multipathd
> demaon and
> > we find
> > > the
> > > > following
> > > > > error:
> > > > > > > root@x86-generic-64:~#
> multipathd
> > -k"fail
> > > path
> > > > sdc";
> > > > > multipathd
> > > > > > > -k'reinstate path
> > > > > > > sdc'; multipathd -k"show
> paths";
> > > > > > > [ 3962.708523]
> device-mapper:
> > multipath:
> > > Failing
> > > > > path 8:32.
> > > > > > > ok
> > > > > > > ok
> > > > > > > hcil dev dev_t pri dm_st
> > chk_st
> > > next_check
> > > > > > > 4:0:0:1 sdc 8:32 1
> > [active][faulty]
> > > ..........
> > > > 1/20
> > > > > <<<===
> > > > > > CHECK
> > > > > > > 5:0:0:1 sdd 8:48 1
> > [active][ready]
> > > XX........
> > > > 4/20
> > > > > > > sdc path becomes
> [active][ready]
> > only
> > > after the
> > > > polling
> > > > > interval
> > > > > > but not
> > > > > > > immediately after the
> reinstate
> > path
> > > command.
> > > > > > > I am observing this in
> latest
> > multipath
> > > tools in
> > > > ubuntu
> > > > > machine
> > > > > > as well.
> > > > > > > Please let me know if its a
> known
> > issue or
> > > if I
> > > > am doing
> > > > > > something wrong.
> > > > > > > Regards.
> > > > > > > Tejaswini
> > > > > >
> > > > > > the reinstate command is supposed
> to
> > reinstate
> > > the
> > > > device
> > > > > with the
> > > > > > kernel, and it does that. The
> checker
> > state
> > > doesn't
> > > > change
> > > > > until the
> > > > > > next time that the path is
> checked. I
> > agree
> > > that it's
> > > > odd
> > > > > that the
> > > > > > check state switches to faulty as
> soon
> > as you
> > > fail the
> > > > path,
> > > > > but it
> > > > > > doesn't switch back until the
> next check
> > after
> > > you
> > > > reinistate
> > > > > it.
> > > > > >
> > > > > > The issue is that multipathd
> needs to
> > override
> > > the
> > > > checker
> > > > > output,
> > > > > > so that a failed path won't be
> > immeditately
> > > > reinstated. Once
> > > > > the
> > > > > > path comes back, multipathd wants
> to
> > record the
> > > switch
> > > > in the
> > > > > checker
> > > > > > thread, so that it can refresh
> path
> > information
> > > what
> > > > wasn't
> > > > > > automatically done when the path
> was
> > > reinstated.
> > > > However, it
> > > > > may make
> > > > > > more sense to have a different
> checker
> > state
> > > for when
> > > > the
> > > > > device is
> > > > > > in the failed state, so that it's
> > obvious that
> > > the
> > > > checker
> > > > > state is
> > > > > > being overruled.
> > > > > >
> > > > > > -Ben
> > > > > >
> > > > > > > --
> > > > > > > dm-devel mailing list
> > > > > > >
> [3][5][6][7][8][9]dm-devel@xxxxxxxxxx
> > > > > > >
> > > >
> >
> [4][6][7][8][9][10]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > > >
> > > > > > --
> > > > > > dm-devel mailing list
> > > > > >
> [5][7][8][9][10][11]dm-devel@xxxxxxxxxx
> > > > > >
> > > >
> >
> [6][8][9][10][11][12]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > > >
> > > > > > References
> > > > > >
> > > > > > Visible links
> > > > > > 1.
> > mailto:[9][10][11][12][13]tejaswinipoluri3@xxxxxxxxx
> > > > > > 2.
> > mailto:[10][11][12][13][14]bmarzins@xxxxxxxxxx
> > > > > > 3.
> > mailto:[11][12][13][14][15]dm-devel@xxxxxxxxxx
> > > > > > 4.
> > > >
> >
> [12][13][14][15][16]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > > > 5.
> > mailto:[13][14][15][16][17]dm-devel@xxxxxxxxxx
> > > > > > 6.
> > > >
> >
> [14][15][16][17][18]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > >
> > > > > References
> > > > >
> > > > > Visible links
> > > > > 1.
> mailto:[16][17][18][19]tejaswinipoluri3@xxxxxxxxx
> > > > > 2. mailto:[17][18][19][20]bmarzins@xxxxxxxxxx
> > > > > 3.
> mailto:[18][19][20][21]tejaswinipoluri3@xxxxxxxxx
> > > > > 4. mailto:[19][20][21][22]bmarzins@xxxxxxxxxx
> > > > > 5. mailto:[20][21][22][23]dm-devel@xxxxxxxxxx
> > > > > 6.
> > [21][22][23][24]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > > 7. mailto:[22][23][24][25]dm-devel@xxxxxxxxxx
> > > > > 8.
> > [23][24][25][26]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > > 9.
> mailto:[24][25][26][27]tejaswinipoluri3@xxxxxxxxx
> > > > > 10. mailto:[25][26][27][28]bmarzins@xxxxxxxxxx
> > > > > 11. mailto:[26][27][28][29]dm-devel@xxxxxxxxxx
> > > > > 12.
> > [27][28][29][30]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > > 13. mailto:[28][29][30][31]dm-devel@xxxxxxxxxx
> > > > > 14.
> > [29][30][31][32]https://www.redhat.com/mailman/listinfo/dm-devel
> > > >
> > > > References
> > > >
> > > > Visible links
> > > > 1. mailto:[31][32][33]bmarzins@xxxxxxxxxx
> > > > 2. mailto:[32][33][34]tejaswinipoluri3@xxxxxxxxx
> > > > 3. mailto:[33][34][35]bmarzins@xxxxxxxxxx
> > > > 4. mailto:[34][35][36]tejaswinipoluri3@xxxxxxxxx
> > > > 5. mailto:[35][36][37]bmarzins@xxxxxxxxxx
> > > > 6. mailto:[36][37][38]dm-devel@xxxxxxxxxx
> > > > 7.
> [37][38][39]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > 8. mailto:[38][39][40]dm-devel@xxxxxxxxxx
> > > > 9.
> [39][40][41]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > 10. mailto:[40][41][42]tejaswinipoluri3@xxxxxxxxx
> > > > 11. mailto:[41][42][43]bmarzins@xxxxxxxxxx
> > > > 12. mailto:[42][43][44]dm-devel@xxxxxxxxxx
> > > > 13.
> [43][44][45]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > 14. mailto:[44][45][46]dm-devel@xxxxxxxxxx
> > > > 15.
> [45][46][47]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > 16. mailto:[46][47][48]tejaswinipoluri3@xxxxxxxxx
> > > > 17. mailto:[47][48][49]bmarzins@xxxxxxxxxx
> > > > 18. mailto:[48][49][50]tejaswinipoluri3@xxxxxxxxx
> > > > 19. mailto:[49][50][51]bmarzins@xxxxxxxxxx
> > > > 20. mailto:[50][51][52]dm-devel@xxxxxxxxxx
> > > > 21.
> [51][52][53]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > 22. mailto:[52][53][54]dm-devel@xxxxxxxxxx
> > > > 23.
> [53][54][55]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > 24. mailto:[54][55][56]tejaswinipoluri3@xxxxxxxxx
> > > > 25. mailto:[55][56][57]bmarzins@xxxxxxxxxx
> > > > 26. mailto:[56][57][58]dm-devel@xxxxxxxxxx
> > > > 27.
> [57][58][59]https://www.redhat.com/mailman/listinfo/dm-devel
> > > > 28. mailto:[58][59][60]dm-devel@xxxxxxxxxx
> > > > 29.
> [59][60][61]https://www.redhat.com/mailman/listinfo/dm-devel
> > >
> > > References
> > >
> > > Visible links
> > > 1. mailto:[61][62]bmarzins@xxxxxxxxxx
> > > 2. mailto:[62][63]bmarzins@xxxxxxxxxx
> > > 3. mailto:[63][64]tejaswinipoluri3@xxxxxxxxx
> > > 4. mailto:[64][65]bmarzins@xxxxxxxxxx
> > > 5. mailto:[65][66]tejaswinipoluri3@xxxxxxxxx
> > > 6. mailto:[66][67]bmarzins@xxxxxxxxxx
> > > 7. mailto:[67][68]dm-devel@xxxxxxxxxx
> > > 8. [68][69]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 9. mailto:[69][70]dm-devel@xxxxxxxxxx
> > > 10. [70][71]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 11. mailto:[71][72]tejaswinipoluri3@xxxxxxxxx
> > > 12. mailto:[72][73]bmarzins@xxxxxxxxxx
> > > 13. mailto:[73][74]dm-devel@xxxxxxxxxx
> > > 14. [74][75]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 15. mailto:[75][76]dm-devel@xxxxxxxxxx
> > > 16. [76][77]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 17. mailto:[77][78]tejaswinipoluri3@xxxxxxxxx
> > > 18. mailto:[78][79]bmarzins@xxxxxxxxxx
> > > 19. mailto:[79][80]tejaswinipoluri3@xxxxxxxxx
> > > 20. mailto:[80][81]bmarzins@xxxxxxxxxx
> > > 21. mailto:[81][82]dm-devel@xxxxxxxxxx
> > > 22. [82][83]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 23. mailto:[83][84]dm-devel@xxxxxxxxxx
> > > 24. [84][85]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 25. mailto:[85][86]tejaswinipoluri3@xxxxxxxxx
> > > 26. mailto:[86][87]bmarzins@xxxxxxxxxx
> > > 27. mailto:[87][88]dm-devel@xxxxxxxxxx
> > > 28. [88][89]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 29. mailto:[89][90]dm-devel@xxxxxxxxxx
> > > 30. [90][91]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 31. mailto:[91][92]bmarzins@xxxxxxxxxx
> > > 32. mailto:[92][93]tejaswinipoluri3@xxxxxxxxx
> > > 33. mailto:[93][94]bmarzins@xxxxxxxxxx
> > > 34. mailto:[94][95]tejaswinipoluri3@xxxxxxxxx
> > > 35. mailto:[95][96]bmarzins@xxxxxxxxxx
> > > 36. mailto:[96][97]dm-devel@xxxxxxxxxx
> > > 37. [97][98]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 38. mailto:[98][99]dm-devel@xxxxxxxxxx
> > > 39. [99][100]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 40. mailto:[100][101]tejaswinipoluri3@xxxxxxxxx
> > > 41. mailto:[101][102]bmarzins@xxxxxxxxxx
> > > 42. mailto:[102][103]dm-devel@xxxxxxxxxx
> > > 43.
> [103][104]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 44. mailto:[104][105]dm-devel@xxxxxxxxxx
> > > 45.
> [105][106]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 46. mailto:[106][107]tejaswinipoluri3@xxxxxxxxx
> > > 47. mailto:[107][108]bmarzins@xxxxxxxxxx
> > > 48. mailto:[108][109]tejaswinipoluri3@xxxxxxxxx
> > > 49. mailto:[109][110]bmarzins@xxxxxxxxxx
> > > 50. mailto:[110][111]dm-devel@xxxxxxxxxx
> > > 51.
> [111][112]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 52. mailto:[112][113]dm-devel@xxxxxxxxxx
> > > 53.
> [113][114]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 54. mailto:[114][115]tejaswinipoluri3@xxxxxxxxx
> > > 55. mailto:[115][116]bmarzins@xxxxxxxxxx
> > > 56. mailto:[116][117]dm-devel@xxxxxxxxxx
> > > 57.
> [117][118]https://www.redhat.com/mailman/listinfo/dm-devel
> > > 58. mailto:[118][119]dm-devel@xxxxxxxxxx
> > > 59.
> [119][120]https://www.redhat.com/mailman/listinfo/dm-devel
> >
> > References
> >
> > Visible links
> > 1. mailto:[121]bmarzins@xxxxxxxxxx
> > 2. mailto:[122]bmarzins@xxxxxxxxxx
> > 3. mailto:[123]bmarzins@xxxxxxxxxx
> > 4. mailto:[124]tejaswinipoluri3@xxxxxxxxx
> > 5. mailto:[125]bmarzins@xxxxxxxxxx
> > 6. mailto:[126]tejaswinipoluri3@xxxxxxxxx
> > 7. mailto:[127]bmarzins@xxxxxxxxxx
> > 8. mailto:[128]dm-devel@xxxxxxxxxx
> > 9. [129]https://www.redhat.com/mailman/listinfo/dm-devel
> > 10. mailto:[130]dm-devel@xxxxxxxxxx
> > 11. [131]https://www.redhat.com/mailman/listinfo/dm-devel
> > 12. mailto:[132]tejaswinipoluri3@xxxxxxxxx
> > 13. mailto:[133]bmarzins@xxxxxxxxxx
> > 14. mailto:[134]dm-devel@xxxxxxxxxx
> > 15. [135]https://www.redhat.com/mailman/listinfo/dm-devel
> > 16. mailto:[136]dm-devel@xxxxxxxxxx
> > 17. [137]https://www.redhat.com/mailman/listinfo/dm-devel
> > 18. mailto:[138]tejaswinipoluri3@xxxxxxxxx
> > 19. mailto:[139]bmarzins@xxxxxxxxxx
> > 20. mailto:[140]tejaswinipoluri3@xxxxxxxxx
> > 21. mailto:[141]bmarzins@xxxxxxxxxx
> > 22. mailto:[142]dm-devel@xxxxxxxxxx
> > 23. [143]https://www.redhat.com/mailman/listinfo/dm-devel
> > 24. mailto:[144]dm-devel@xxxxxxxxxx
> > 25. [145]https://www.redhat.com/mailman/listinfo/dm-devel
> > 26. mailto:[146]tejaswinipoluri3@xxxxxxxxx
> > 27. mailto:[147]bmarzins@xxxxxxxxxx
> > 28. mailto:[148]dm-devel@xxxxxxxxxx
> > 29. [149]https://www.redhat.com/mailman/listinfo/dm-devel
> > 30. mailto:[150]dm-devel@xxxxxxxxxx
> > 31. [151]https://www.redhat.com/mailman/listinfo/dm-devel
> > 32. mailto:[152]bmarzins@xxxxxxxxxx
> > 33. mailto:[153]tejaswinipoluri3@xxxxxxxxx
> > 34. mailto:[154]bmarzins@xxxxxxxxxx
> > 35. mailto:[155]tejaswinipoluri3@xxxxxxxxx
> > 36. mailto:[156]bmarzins@xxxxxxxxxx
> > 37. mailto:[157]dm-devel@xxxxxxxxxx
> > 38. [158]https://www.redhat.com/mailman/listinfo/dm-devel
> > 39. mailto:[159]dm-devel@xxxxxxxxxx
> > 40. [160]https://www.redhat.com/mailman/listinfo/dm-devel
> > 41. mailto:[161]tejaswinipoluri3@xxxxxxxxx
> > 42. mailto:[162]bmarzins@xxxxxxxxxx
> > 43. mailto:[163]dm-devel@xxxxxxxxxx
> > 44. [164]https://www.redhat.com/mailman/listinfo/dm-devel
> > 45. mailto:[165]dm-devel@xxxxxxxxxx
> > 46. [166]https://www.redhat.com/mailman/listinfo/dm-devel
> > 47. mailto:[167]tejaswinipoluri3@xxxxxxxxx
> > 48. mailto:[168]bmarzins@xxxxxxxxxx
> > 49. mailto:[169]tejaswinipoluri3@xxxxxxxxx
> > 50. mailto:[170]bmarzins@xxxxxxxxxx
> > 51. mailto:[171]dm-devel@xxxxxxxxxx
> > 52. [172]https://www.redhat.com/mailman/listinfo/dm-devel
> > 53. mailto:[173]dm-devel@xxxxxxxxxx
> > 54. [174]https://www.redhat.com/mailman/listinfo/dm-devel
> > 55. mailto:[175]tejaswinipoluri3@xxxxxxxxx
> > 56. mailto:[176]bmarzins@xxxxxxxxxx
> > 57. mailto:[177]dm-devel@xxxxxxxxxx
> > 58. [178]https://www.redhat.com/mailman/listinfo/dm-devel
> > 59. mailto:[179]dm-devel@xxxxxxxxxx
> > 60. [180]https://www.redhat.com/mailman/listinfo/dm-devel
> > 61. mailto:[181]bmarzins@xxxxxxxxxx
> > 62. mailto:[182]bmarzins@xxxxxxxxxx
> > 63. mailto:[183]tejaswinipoluri3@xxxxxxxxx
> > 64. mailto:[184]bmarzins@xxxxxxxxxx
> > 65. mailto:[185]tejaswinipoluri3@xxxxxxxxx
> > 66. mailto:[186]bmarzins@xxxxxxxxxx
> > 67. mailto:[187]dm-devel@xxxxxxxxxx
> > 68. [188]https://www.redhat.com/mailman/listinfo/dm-devel
> > 69. mailto:[189]dm-devel@xxxxxxxxxx
> > 70. [190]https://www.redhat.com/mailman/listinfo/dm-devel
> > 71. mailto:[191]tejaswinipoluri3@xxxxxxxxx
> > 72. mailto:[192]bmarzins@xxxxxxxxxx
> > 73. mailto:[193]dm-devel@xxxxxxxxxx
> > 74. [194]https://www.redhat.com/mailman/listinfo/dm-devel
> > 75. mailto:[195]dm-devel@xxxxxxxxxx
> > 76. [196]https://www.redhat.com/mailman/listinfo/dm-devel
> > 77. mailto:[197]tejaswinipoluri3@xxxxxxxxx
> > 78. mailto:[198]bmarzins@xxxxxxxxxx
> > 79. mailto:[199]tejaswinipoluri3@xxxxxxxxx
> > 80. mailto:[200]bmarzins@xxxxxxxxxx
> > 81. mailto:[201]dm-devel@xxxxxxxxxx
> > 82. [202]https://www.redhat.com/mailman/listinfo/dm-devel
> > 83. mailto:[203]dm-devel@xxxxxxxxxx
> > 84. [204]https://www.redhat.com/mailman/listinfo/dm-devel
> > 85. mailto:[205]tejaswinipoluri3@xxxxxxxxx
> > 86. mailto:[206]bmarzins@xxxxxxxxxx
> > 87. mailto:[207]dm-devel@xxxxxxxxxx
> > 88. [208]https://www.redhat.com/mailman/listinfo/dm-devel
> > 89. mailto:[209]dm-devel@xxxxxxxxxx
> > 90. [210]https://www.redhat.com/mailman/listinfo/dm-devel
> > 91. mailto:[211]bmarzins@xxxxxxxxxx
> > 92. mailto:[212]tejaswinipoluri3@xxxxxxxxx
> > 93. mailto:[213]bmarzins@xxxxxxxxxx
> > 94. mailto:[214]tejaswinipoluri3@xxxxxxxxx
> > 95. mailto:[215]bmarzins@xxxxxxxxxx
> > 96. mailto:[216]dm-devel@xxxxxxxxxx
> > 97. [217]https://www.redhat.com/mailman/listinfo/dm-devel
> > 98. mailto:[218]dm-devel@xxxxxxxxxx
> > 99. [219]https://www.redhat.com/mailman/listinfo/dm-devel
> > 100. mailto:[220]tejaswinipoluri3@xxxxxxxxx
> > 101. mailto:[221]bmarzins@xxxxxxxxxx
> > 102. mailto:[222]dm-devel@xxxxxxxxxx
> > 103. [223]https://www.redhat.com/mailman/listinfo/dm-devel
> > 104. mailto:[224]dm-devel@xxxxxxxxxx
> > 105. [225]https://www.redhat.com/mailman/listinfo/dm-devel
> > 106. mailto:[226]tejaswinipoluri3@xxxxxxxxx
> > 107. mailto:[227]bmarzins@xxxxxxxxxx
> > 108. mailto:[228]tejaswinipoluri3@xxxxxxxxx
> > 109. mailto:[229]bmarzins@xxxxxxxxxx
> > 110. mailto:[230]dm-devel@xxxxxxxxxx
> > 111. [231]https://www.redhat.com/mailman/listinfo/dm-devel
> > 112. mailto:[232]dm-devel@xxxxxxxxxx
> > 113. [233]https://www.redhat.com/mailman/listinfo/dm-devel
> > 114. mailto:[234]tejaswinipoluri3@xxxxxxxxx
> > 115. mailto:[235]bmarzins@xxxxxxxxxx
> > 116. mailto:[236]dm-devel@xxxxxxxxxx
> > 117. [237]https://www.redhat.com/mailman/listinfo/dm-devel
> > 118. mailto:[238]dm-devel@xxxxxxxxxx
> > 119. [239]https://www.redhat.com/mailman/listinfo/dm-devel
>
> References
>
> Visible links
> 1. mailto:bmarzins@xxxxxxxxxx
> 2. mailto:bmarzins@xxxxxxxxxx
> 3. mailto:bmarzins@xxxxxxxxxx
> 4. mailto:bmarzins@xxxxxxxxxx
> 5. mailto:tejaswinipoluri3@xxxxxxxxx
> 6. mailto:bmarzins@xxxxxxxxxx
> 7. mailto:tejaswinipoluri3@xxxxxxxxx
> 8. mailto:bmarzins@xxxxxxxxxx
> 9. mailto:dm-devel@xxxxxxxxxx
> 10. https://www.redhat.com/mailman/listinfo/dm-devel
> 11. mailto:dm-devel@xxxxxxxxxx
> 12. https://www.redhat.com/mailman/listinfo/dm-devel
> 13. mailto:tejaswinipoluri3@xxxxxxxxx
> 14. mailto:bmarzins@xxxxxxxxxx
> 15. mailto:dm-devel@xxxxxxxxxx
> 16. https://www.redhat.com/mailman/listinfo/dm-devel
> 17. mailto:dm-devel@xxxxxxxxxx
> 18. https://www.redhat.com/mailman/listinfo/dm-devel
> 19. mailto:tejaswinipoluri3@xxxxxxxxx
> 20. mailto:bmarzins@xxxxxxxxxx
> 21. mailto:tejaswinipoluri3@xxxxxxxxx
> 22. mailto:bmarzins@xxxxxxxxxx
> 23. mailto:dm-devel@xxxxxxxxxx
> 24. https://www.redhat.com/mailman/listinfo/dm-devel
> 25. mailto:dm-devel@xxxxxxxxxx
> 26. https://www.redhat.com/mailman/listinfo/dm-devel
> 27. mailto:tejaswinipoluri3@xxxxxxxxx
> 28. mailto:bmarzins@xxxxxxxxxx
> 29. mailto:dm-devel@xxxxxxxxxx
> 30. https://www.redhat.com/mailman/listinfo/dm-devel
> 31. mailto:dm-devel@xxxxxxxxxx
> 32. https://www.redhat.com/mailman/listinfo/dm-devel
> 33. mailto:bmarzins@xxxxxxxxxx
> 34. mailto:tejaswinipoluri3@xxxxxxxxx
> 35. mailto:bmarzins@xxxxxxxxxx
> 36. mailto:tejaswinipoluri3@xxxxxxxxx
> 37. mailto:bmarzins@xxxxxxxxxx
> 38. mailto:dm-devel@xxxxxxxxxx
> 39. https://www.redhat.com/mailman/listinfo/dm-devel
> 40. mailto:dm-devel@xxxxxxxxxx
> 41. https://www.redhat.com/mailman/listinfo/dm-devel
> 42. mailto:tejaswinipoluri3@xxxxxxxxx
> 43. mailto:bmarzins@xxxxxxxxxx
> 44. mailto:dm-devel@xxxxxxxxxx
> 45. https://www.redhat.com/mailman/listinfo/dm-devel
> 46. mailto:dm-devel@xxxxxxxxxx
> 47. https://www.redhat.com/mailman/listinfo/dm-devel
> 48. mailto:tejaswinipoluri3@xxxxxxxxx
> 49. mailto:bmarzins@xxxxxxxxxx
> 50. mailto:tejaswinipoluri3@xxxxxxxxx
> 51. mailto:bmarzins@xxxxxxxxxx
> 52. mailto:dm-devel@xxxxxxxxxx
> 53. https://www.redhat.com/mailman/listinfo/dm-devel
> 54. mailto:dm-devel@xxxxxxxxxx
> 55. https://www.redhat.com/mailman/listinfo/dm-devel
> 56. mailto:tejaswinipoluri3@xxxxxxxxx
> 57. mailto:bmarzins@xxxxxxxxxx
> 58. mailto:dm-devel@xxxxxxxxxx
> 59. https://www.redhat.com/mailman/listinfo/dm-devel
> 60. mailto:dm-devel@xxxxxxxxxx
> 61. https://www.redhat.com/mailman/listinfo/dm-devel
> 62. mailto:bmarzins@xxxxxxxxxx
> 63. mailto:bmarzins@xxxxxxxxxx
> 64. mailto:tejaswinipoluri3@xxxxxxxxx
> 65. mailto:bmarzins@xxxxxxxxxx
> 66. mailto:tejaswinipoluri3@xxxxxxxxx
> 67. mailto:bmarzins@xxxxxxxxxx
> 68. mailto:dm-devel@xxxxxxxxxx
> 69. https://www.redhat.com/mailman/listinfo/dm-devel
> 70. mailto:dm-devel@xxxxxxxxxx
> 71. https://www.redhat.com/mailman/listinfo/dm-devel
> 72. mailto:tejaswinipoluri3@xxxxxxxxx
> 73. mailto:bmarzins@xxxxxxxxxx
> 74. mailto:dm-devel@xxxxxxxxxx
> 75. https://www.redhat.com/mailman/listinfo/dm-devel
> 76. mailto:dm-devel@xxxxxxxxxx
> 77. https://www.redhat.com/mailman/listinfo/dm-devel
> 78. mailto:tejaswinipoluri3@xxxxxxxxx
> 79. mailto:bmarzins@xxxxxxxxxx
> 80. mailto:tejaswinipoluri3@xxxxxxxxx
> 81. mailto:bmarzins@xxxxxxxxxx
> 82. mailto:dm-devel@xxxxxxxxxx
> 83. https://www.redhat.com/mailman/listinfo/dm-devel
> 84. mailto:dm-devel@xxxxxxxxxx
> 85. https://www.redhat.com/mailman/listinfo/dm-devel
> 86. mailto:tejaswinipoluri3@xxxxxxxxx
> 87. mailto:bmarzins@xxxxxxxxxx
> 88. mailto:dm-devel@xxxxxxxxxx
> 89. https://www.redhat.com/mailman/listinfo/dm-devel
> 90. mailto:dm-devel@xxxxxxxxxx
> 91. https://www.redhat.com/mailman/listinfo/dm-devel
> 92. mailto:bmarzins@xxxxxxxxxx
> 93. mailto:tejaswinipoluri3@xxxxxxxxx
> 94. mailto:bmarzins@xxxxxxxxxx
> 95. mailto:tejaswinipoluri3@xxxxxxxxx
> 96. mailto:bmarzins@xxxxxxxxxx
> 97. mailto:dm-devel@xxxxxxxxxx
> 98. https://www.redhat.com/mailman/listinfo/dm-devel
> 99. mailto:dm-devel@xxxxxxxxxx
> 100. https://www.redhat.com/mailman/listinfo/dm-devel
> 101. mailto:tejaswinipoluri3@xxxxxxxxx
> 102. mailto:bmarzins@xxxxxxxxxx
> 103. mailto:dm-devel@xxxxxxxxxx
> 104. https://www.redhat.com/mailman/listinfo/dm-devel
> 105. mailto:dm-devel@xxxxxxxxxx
> 106. https://www.redhat.com/mailman/listinfo/dm-devel
> 107. mailto:tejaswinipoluri3@xxxxxxxxx
> 108. mailto:bmarzins@xxxxxxxxxx
> 109. mailto:tejaswinipoluri3@xxxxxxxxx
> 110. mailto:bmarzins@xxxxxxxxxx
> 111. mailto:dm-devel@xxxxxxxxxx
> 112. https://www.redhat.com/mailman/listinfo/dm-devel
> 113. mailto:dm-devel@xxxxxxxxxx
> 114. https://www.redhat.com/mailman/listinfo/dm-devel
> 115. mailto:tejaswinipoluri3@xxxxxxxxx
> 116. mailto:bmarzins@xxxxxxxxxx
> 117. mailto:dm-devel@xxxxxxxxxx
> 118. https://www.redhat.com/mailman/listinfo/dm-devel
> 119. mailto:dm-devel@xxxxxxxxxx
> 120. https://www.redhat.com/mailman/listinfo/dm-devel
> 121. mailto:bmarzins@xxxxxxxxxx
> 122. mailto:bmarzins@xxxxxxxxxx
> 123. mailto:bmarzins@xxxxxxxxxx
> 124. mailto:tejaswinipoluri3@xxxxxxxxx
> 125. mailto:bmarzins@xxxxxxxxxx
> 126. mailto:tejaswinipoluri3@xxxxxxxxx
> 127. mailto:bmarzins@xxxxxxxxxx
> 128. mailto:dm-devel@xxxxxxxxxx
> 129. https://www.redhat.com/mailman/listinfo/dm-devel
> 130. mailto:dm-devel@xxxxxxxxxx
> 131. https://www.redhat.com/mailman/listinfo/dm-devel
> 132. mailto:tejaswinipoluri3@xxxxxxxxx
> 133. mailto:bmarzins@xxxxxxxxxx
> 134. mailto:dm-devel@xxxxxxxxxx
> 135. https://www.redhat.com/mailman/listinfo/dm-devel
> 136. mailto:dm-devel@xxxxxxxxxx
> 137. https://www.redhat.com/mailman/listinfo/dm-devel
> 138. mailto:tejaswinipoluri3@xxxxxxxxx
> 139. mailto:bmarzins@xxxxxxxxxx
> 140. mailto:tejaswinipoluri3@xxxxxxxxx
> 141. mailto:bmarzins@xxxxxxxxxx
> 142. mailto:dm-devel@xxxxxxxxxx
> 143. https://www.redhat.com/mailman/listinfo/dm-devel
> 144. mailto:dm-devel@xxxxxxxxxx
> 145. https://www.redhat.com/mailman/listinfo/dm-devel
> 146. mailto:tejaswinipoluri3@xxxxxxxxx
> 147. mailto:bmarzins@xxxxxxxxxx
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> commit 79ab9090d3fbcdb5844478419135d1390cf548c2
> Author: Tejaswini <tejaswinipoluri3@xxxxxxxxx>
> Date: Wed Jul 8 15:08:56 2015 +0530
>
> multipathd: Fixing add map functionality
>
> Add map feature of multipathd tools fails as the device
> is also been completely removed along with removing the map
> in the remove map code. So when add map is called we are
> creating the device again in kernel and doing add map
> using the coloasce_paths code.
>
> Signed-off-by: Tejaswini Poluri <tpoluri@xxxxxxxxxx>
>
> diff --git a/multipathd/cli_handlers.c b/multipathd/cli_handlers.c
> index dc96c45..c54c767 100644
> --- a/multipathd/cli_handlers.c
> +++ b/multipathd/cli_handlers.c
> @@ -537,7 +537,7 @@ cli_add_map (void * v, char ** reply, int * len, void * data)
> char dev_path[PATH_SIZE];
> char *alias;
> int rc;
> -
> + char *refwwid;
> param = convert_dev(param, 0);
> condlog(2, "%s: add map (operator)", param);
>
> @@ -547,6 +547,14 @@ cli_add_map (void * v, char ** reply, int * len, void * data)
> condlog(2, "%s: map blacklisted", param);
> return 0;
> }
> + rc = get_refwwid(param, DEV_DEVMAP, vecs->pathvec, &refwwid);
> +
> + if (refwwid) {
> + condlog(2, "%s: add map (operator)", refwwid);
> + if(coalesce_paths(vecs, NULL, refwwid, 0))
> + condlog(2, "%s: coalesce-paths failed", param);
> + dm_lib_release();
> + }
> minor = dm_get_minor(param);
> if (minor < 0) {
> condlog(2, "%s: not a device mapper table", param);
> @@ -566,6 +574,7 @@ cli_add_map (void * v, char ** reply, int * len, void * data)
> }
> rc = ev_add_map(dev_path, alias, vecs);
> FREE(alias);
> + FREE(refwwid);
> return rc;
> }
>
> commit 910b4a82ec483b48eaf8b24eb3d7829273c690ed
> Author: Tejaswini <tejaswinipoluri3@xxxxxxxxx>
> Date: Wed Jul 8 17:18:03 2015 +0530
>
> multipathd: Disabled code that is not being used.
>
> This part of the code is moved to cli_add_map and
> disabled here as it is not used by any function call
> here.
>
> Signed-off-by: Tejaswini <tejaswinipoluri3@xxxxxxxxx>
>
> diff --git a/multipathd/main.c b/multipathd/main.c
> index f876258..060237c 100644
> --- a/multipathd/main.c
> +++ b/multipathd/main.c
> @@ -329,6 +329,8 @@ ev_add_map (char * dev, char * alias, struct vectors * vecs)
> return 1;
> }
> }
> +#if 0 /*Disabled as the code is not being used by anyone.
> + TODO:confirm that no feature requires this code*/
> r = get_refwwid(dev, DEV_DEVMAP, vecs->pathvec, &refwwid);
>
> if (refwwid) {
> @@ -344,6 +346,7 @@ ev_add_map (char * dev, char * alias, struct vectors * vecs)
> condlog(0, "%s: uev_add_map %s failed", alias, dev);
>
> FREE(refwwid);
> +#endif
> return r;
> }
>
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