[lvm-devel] master - toollib: Implement process_each_label.
Petr Rockai
mornfall at fedoraproject.org
Sun Nov 17 22:26:48 UTC 2013
Gitweb: http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=1ef2c3c4ee325dd9ce607b62c1720d782021d399
Commit: 1ef2c3c4ee325dd9ce607b62c1720d782021d399
Parent: 9b91977f4ec21a2080daaa2e261fbdecbe8fbd2c
Author: Petr Rockai <prockai at redhat.com>
AuthorDate: Mon Jul 29 18:51:27 2013 +0200
Committer: Petr Rockai <prockai at redhat.com>
CommitterDate: Sun Nov 17 21:41:27 2013 +0100
toollib: Implement process_each_label.
---
tools/toollib.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
tools/toollib.h | 6 +++++
2 files changed, 64 insertions(+), 0 deletions(-)
diff --git a/tools/toollib.c b/tools/toollib.c
index 127dd66..529088c 100644
--- a/tools/toollib.c
+++ b/tools/toollib.c
@@ -1801,3 +1801,61 @@ 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;
+
+ 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 aa6f699..d809123 100644
--- a/tools/toollib.h
+++ b/tools/toollib.h
@@ -38,6 +38,9 @@ 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);
@@ -58,6 +61,9 @@ 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,
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