[lvm-devel] [PATCH 11/20] toollib: Implement process_each_label.
Petr Rockai
prockai at redhat.com
Mon Jul 29 19:19:15 UTC 2013
---
tools/toollib.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
tools/toollib.h | 6 ++++++
2 files changed, 65 insertions(+)
diff --git a/tools/toollib.c b/tools/toollib.c
index 24d8cbf..e6785fb 100644
--- a/tools/toollib.c
+++ b/tools/toollib.c
@@ -1703,3 +1703,62 @@ int change_tag(struct cmd_context *cmd, struct volume_group *vg,
return 1;
}
+int process_each_label(struct cmd_context *cmd, int argc, char **argv, void *handle,
+ process_single_label_fn_t process_single_label)
+{
+ struct label *label;
+ struct dev_iter *iter;
+ struct device *dev;
+
+ int ret_max = ECMD_PROCESSED;
+ int ret = 0;
+ int opt = 0;
+
+ if (argc) {
+ for (; opt < argc; opt++) {
+ if (!(dev = dev_cache_get(argv[opt], cmd->filter))) {
+ log_error("Failed to find device "
+ "\"%s\"", argv[opt]);
+ ret_max = ECMD_FAILED;
+ continue;
+ }
+
+ if (!label_read(dev, &label, 0))
+ continue;
+
+ ret = process_single_label(cmd, label, handle);
+
+ if (ret > ret_max)
+ ret_max = ret;
+
+ if (sigint_caught())
+ break;
+ }
+
+ return ret_max;
+ }
+
+ if (!(iter = dev_iter_create(cmd->filter, 1))) {
+ log_error("dev_iter creation failed");
+ return ECMD_FAILED;
+ }
+
+ while ((dev = dev_iter_get(iter)))
+ {
+ if (!label_read(dev, &label, 0))
+ continue;
+
+ log_error("processing %s", dev_name(dev));
+ ret = process_single_label(cmd, label, handle);
+
+ if (ret > ret_max)
+ ret_max = ret;
+
+ if (sigint_caught())
+ break;
+ }
+
+ dev_iter_destroy(iter);
+
+ return ret_max;
+}
diff --git a/tools/toollib.h b/tools/toollib.h
index cfcb934..f43e0f8 100644
--- a/tools/toollib.h
+++ b/tools/toollib.h
@@ -34,6 +34,9 @@ typedef int (*process_single_pv_fn_t) (struct cmd_context *cmd,
struct volume_group *vg,
struct physical_volume *pv,
void *handle);
+typedef int (*process_single_label_fn_t) (struct cmd_context *cmd,
+ struct label *label,
+ void *handle);
typedef int (*process_single_lv_fn_t) (struct cmd_context *cmd,
struct logical_volume *lv,
void *handle);
@@ -54,6 +57,9 @@ int process_each_pv(struct cmd_context *cmd, int argc, char **argv,
int scan_label_only, void *handle,
process_single_pv_fn_t process_single_pv);
+int process_each_label(struct cmd_context *cmd, int argc, char **argv,
+ void *handle, process_single_label_fn_t process_single_label);
+
int process_each_segment_in_pv(struct cmd_context *cmd,
struct volume_group *vg,
struct physical_volume *pv,
--
1.8.2
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