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In preparation for other segment types that create and use "pools", we
s/create_thin_pool/create_pool/. This way it is not awkward when creating
a cachepool, for example, to use "create_thin_pool".
lvm has a default umask value in the config file that defaults
to 0077 which lvm changes to during normal operation. This
causes a problem when the code is used as a library with
liblvm as it is changing the umask for the process. This
patch saves off the current umask, sets to what is specified
in the config file and restores it what it was on library
function call exit.
The user is now free to change the umask in their application at
anytime including between library calls.
This fix address BZ:
https://bugzilla.redhat.com/show_bug.cgi?id=1012113
Tested by setting umask to 0777 and running the python unit
test and verifying that umask is still same value as expected
at the test completion and with a successful run.
Signed-off-by: Tony Asleson <tasleson@redhat.com>
Add a PV create which takes a paramters object that
has get/set method to configure PV creation.
Current get/set operations include:
- size
- pvmetadatacopies
- pvmetadatasize
- data_alignment
- data_alignment_offset
- zero
Reference: https://bugzilla.redhat.com/show_bug.cgi?id=880395
Signed-off-by: Tony Asleson <tasleson@redhat.com>
Add thin and thin pool lv creation support to lvm library
This is Mohan's thinp patch, re-worked to include suggestions
from Zdenek and Mohan.
Rework of commit 4d5de8322b
which uses refactored properties handling.
Based on work done by M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Tony Asleson <tasleson@redhat.com>
Start separating the validation from the action in the basic lvresize
code moved to the library.
Remove incorrect use of command line error codes from lvresize library
functions. Move errors.h to tools directory to reinforce this,
exporting public versions of the error codes in lvm2cmd.h for dmeventd
plugins to use.
After the last rebase, existing unit test case was
run which uncovered a number of errors that required
attention.
Uninitialized variables and changes to type of numeric
return type were addressed.
Signed-off-by: Tony Asleson <tasleson@redhat.com>
Simplified version of lv resize.
v3: Rebase changes to make work. Needed to set sizeargs = 1
to indicate to resize that we are asking for a size based
resize.
Signed-off-by: Tony Asleson <tasleson@redhat.com>
Add thin and thin pool lv creation support to lvm library
This is Mohan's thinp patch, re-worked to include suggestions
from Zdenek and Mohan.
V2: Remove const lvm_lv_params_create_thin
Add const lvm_lv_params_skip_zero_get
V3: Changed get/set to use generic functions like current
property
V4: Corrected macro in properties.c
V5: Fixed a bug in liblvm/lvm_lv.c function lvm_lv_create.
incorrectly used pool instead of lv_name when doing the
find_lv_in_vg call.
Based on work done by M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Tony Asleson <tasleson@redhat.com>
It isn't possible to choose a sane default for snapshot size, so just
play it straight and use the passed size instead of adding special
behavior for 0.
Also revert change to Python lib, size parameter must be supplied.
Signed-off-by: Andy Grover <agrover@redhat.com>
Read lvm.conf setting for monitoring for each command. So we should not
activate monitoring if the default compilation is set to monitor during
lvconvert commnads.
Patch also removes check for clustered VG and allows to disable monitoring
for clustered VG with the assumption, the problem with monitoring and dmeventd
flag passing for INGNORE is already fixed.
Tested condition has been already evaluated before
For strlen() code has already excluded <ID_LEN.
For repairing, already tested (!argc && !repairing) before.
Add a generic LV property function to lvm2app, similar to VG function.
Return lvm_property_value and require caller to check 'is_valid' flag
and lvm_errno() for API error.
Add supporting functions for pv_uuid, vg_uuid, and lv_uuid.
Call new function id_format_and_copy. Use 'const' where appropriate.
Add "_dup" suffix to indicate memory is being allocated.
Call {pv|vg|lv}_uuid_dup from lvm2app uuid functions.
Everywhere else in the API the caller can rely on lvm2app taking care of
memory allocation and free, so make the 'name' and 'uuid' properties of a
vg/lv/pv use the vg handle to allocate memory.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
. Add "monitoring" option to "activation" section of lvm.conf
. Have clvmd consult the lvm.conf "activation/monitoring" too.
. Introduce toollib.c:get_activation_monitoring_mode().
. Error out when both --monitor and --ignoremonitoring are provided.
. Add --monitor and --ignoremonitoring support to lvcreate. Update
lvcreate man page accordingly.
. Clarify that '--monitor' controls the start and stop of monitoring in
the {vg,lv}change man pages.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Add lvm2app functions to manage LV tags.
For lvm_lv_get_tags(), we return a list of tags, similar to other
functions that return lists. An empty list is returned if there
are no tags. NULL is returned if there is a problem obtaining
the list of tags.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Internally we store sizes in sectors, but lvm2app exports sizes
in bytes. We could get fancier and allow units configuration but
this fix should do for now.
Fixes rhbz561422.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
This patch update lv_t handle to be consistent with lvm_t - define as a pointer
to internal struct logical_volume.
Author: Dave Wysochanski <dwysocha@redhat.com>
