[lvm-devel] main - activate: cache driver_version result
Zdenek Kabelac
zkabelac at sourceware.org
Mon Dec 20 15:14:08 UTC 2021
Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=47ac2659d5f8544dcd53aeef13a42b3256f2fd6f
Commit: 47ac2659d5f8544dcd53aeef13a42b3256f2fd6f
Parent: 26e6580dfb00912823282f7028ab542501c449ef
Author: Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate: Wed Dec 8 10:25:02 2021 +0100
Committer: Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Mon Dec 20 16:13:28 2021 +0100
activate: cache driver_version result
---
lib/activate/activate.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/lib/activate/activate.c b/lib/activate/activate.c
index 727bd2386..52ec02e2c 100644
--- a/lib/activate/activate.c
+++ b/lib/activate/activate.c
@@ -486,12 +486,20 @@ int library_version(char *version, size_t size)
int driver_version(char *version, size_t size)
{
+ static char _vsn[80] = { 0 };
+
if (!activation())
return 0;
log_very_verbose("Getting driver version");
- return dm_driver_version(version, size);
+ if (!_vsn[0] &&
+ !dm_driver_version(_vsn, sizeof(_vsn)))
+ return_0;
+
+ (void) dm_strncpy(version, _vsn, size);
+
+ return 1;
}
int target_version(const char *target_name, uint32_t *maj,
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