diff options
| author | Zdenek Kabelac <zkabelac@redhat.com> | 2015-10-12 11:37:36 +0200 |
|---|---|---|
| committer | Zdenek Kabelac <zkabelac@redhat.com> | 2015-10-13 15:56:03 +0200 |
| commit | f9926e7e6c102319575c186e8eef0012cb9c36cc (patch) | |
| tree | b71f27da51d9e7ee82bd0ba3e1a88fe9ac029e78 | |
| parent | 76ea01dd207ce185891418c3f8ffdcff14bf2672 (diff) | |
| download | lvm2-f9926e7e6c102319575c186e8eef0012cb9c36cc.tar.gz | |
dmeventd: introduce macro for init
Simplify commonly used pool creation.
| -rw-r--r-- | daemons/dmeventd/plugins/lvm2/dmeventd_lvm.h | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/daemons/dmeventd/plugins/lvm2/dmeventd_lvm.h b/daemons/dmeventd/plugins/lvm2/dmeventd_lvm.h index 5691c8776..d193edaa0 100644 --- a/daemons/dmeventd/plugins/lvm2/dmeventd_lvm.h +++ b/daemons/dmeventd/plugins/lvm2/dmeventd_lvm.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 Red Hat, Inc. All rights reserved. + * Copyright (C) 2010-2015 Red Hat, Inc. All rights reserved. * * This file is part of LVM2. * @@ -39,4 +39,36 @@ struct dm_pool *dmeventd_lvm2_pool(void); int dmeventd_lvm2_command(struct dm_pool *mem, char *buffer, size_t size, const char *cmd, const char *device); +#define dmeventd_lvm2_run_with_lock(cmdline) \ + ({\ + int rc;\ + dmeventd_lvm2_lock();\ + rc = dmeventd_lvm2_run(cmdline);\ + dmeventd_lvm2_unlock();\ + rc;\ + }) + +#define dmeventd_lvm2_init_with_pool(name, st) \ + ({\ + struct dm_pool *mem;\ + st = NULL;\ + if (dmeventd_lvm2_init()) {\ + if ((mem = dm_pool_create(name, 2048)) &&\ + (st = dm_pool_zalloc(mem, sizeof(*st))))\ + st->mem = mem;\ + else {\ + if (mem)\ + dm_pool_destroy(mem);\ + dmeventd_lvm2_exit();\ + }\ + }\ + st;\ + }) + +#define dmeventd_lvm2_exit_with_pool(pool) \ + do {\ + dm_pool_destroy(pool->mem);\ + dmeventd_lvm2_exit();\ + } while(0) + #endif /* _DMEVENTD_LVMWRAP_H */ |