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Description of problem:
The documentation in lvm2app.h specifies that lvm_vg_is_clustered() returns 1 if VG is clustered and 0 otherwise. However, the function returns 1024 if VG is clustered. This is because the macro vg_is_clustered in metadata-exported.h is set to
#define vg_is_clustered(vg) (vg_status((vg)) & CLUSTERED)
instead of
#define vg_is_clustered(vg) ((vg_status((vg)) & CLUSTERED) ? 1 : 0)
like in the case of for instance lv_is_locked
Other vg_is_* macros exhibit the similar issue.
The incorrect return value breaks the python wrapper as it does
rval = ( lvm_vg_is_clustered(self->vg) == 1) ? Py_True : Py_False;
which always returns Py_False regardless of the VG state.
How reproducible:
Always.
Steps to Reproduce:
Build and run thic C program
#include <lvm2app.h>
#include <stdio.h>
int main(int args, char**argv)
{
lvm_t libh;
vg_t vg = NULL;
libh = lvm_init(NULL);
vg = lvm_vg_open(libh, <clustered_vg_name>, "r", 0);
printf("ret: %lu\n", lvm_vg_is_clustered(vg));
lvm_vg_close(vg);
lvm_quit(libh);
return 0;
}
The program returns "ret: 1024".
Actual results:
Expected results:
lvm_vg_is_clustered() and others should return 1 if the specific flag is set in the VG.
Additional info:
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2016-0964.html
Description of problem: The documentation in lvm2app.h specifies that lvm_vg_is_clustered() returns 1 if VG is clustered and 0 otherwise. However, the function returns 1024 if VG is clustered. This is because the macro vg_is_clustered in metadata-exported.h is set to #define vg_is_clustered(vg) (vg_status((vg)) & CLUSTERED) instead of #define vg_is_clustered(vg) ((vg_status((vg)) & CLUSTERED) ? 1 : 0) like in the case of for instance lv_is_locked Other vg_is_* macros exhibit the similar issue. The incorrect return value breaks the python wrapper as it does rval = ( lvm_vg_is_clustered(self->vg) == 1) ? Py_True : Py_False; which always returns Py_False regardless of the VG state. How reproducible: Always. Steps to Reproduce: Build and run thic C program #include <lvm2app.h> #include <stdio.h> int main(int args, char**argv) { lvm_t libh; vg_t vg = NULL; libh = lvm_init(NULL); vg = lvm_vg_open(libh, <clustered_vg_name>, "r", 0); printf("ret: %lu\n", lvm_vg_is_clustered(vg)); lvm_vg_close(vg); lvm_quit(libh); return 0; } The program returns "ret: 1024". Actual results: Expected results: lvm_vg_is_clustered() and others should return 1 if the specific flag is set in the VG. Additional info: