Gitweb:
https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=a7f195b7e8f27c29276...
Commit: a7f195b7e8f27c292761c604c1697c1d97cd5c1d
Parent: 677f829e540ef0f2fa2781f4facc7571dee1fb83
Author: David Teigland <teigland(a)redhat.com>
AuthorDate: Wed Oct 21 12:20:17 2020 -0500
Committer: David Teigland <teigland(a)redhat.com>
CommitterDate: Wed Oct 21 16:24:16 2020 -0500
add label_scan_devs_cached
label_scan_devs without invalidating data first
for cases where the caller wants to use any
bcache data they have already read.
---
lib/label/label.c | 15 +++++++++++++++
lib/label/label.h | 1 +
2 files changed, 16 insertions(+)
diff --git a/lib/label/label.c b/lib/label/label.c
index bc8e60fc9..36eab19f3 100644
--- a/lib/label/label.c
+++ b/lib/label/label.c
@@ -1302,6 +1302,21 @@ int label_read_pvid(struct device *dev)
return 1;
}
+/*
+ * label_scan_devs without invalidating data for the devs first,
+ * when the caller wants to make use of any bcache data that
+ * they may have already read.
+ */
+int label_scan_devs_cached(struct cmd_context *cmd, struct dev_filter *f, struct dm_list
*devs)
+{
+ if (!scan_bcache)
+ return 0;
+
+ _scan_list(cmd, f, devs, NULL);
+
+ return 1;
+}
+
/*
* Scan and cache lvm data from the listed devices. If a device is already
* scanned and cached, this replaces the previously cached lvm data for the
diff --git a/lib/label/label.h b/lib/label/label.h
index ddfb34af5..a98ba32e3 100644
--- a/lib/label/label.h
+++ b/lib/label/label.h
@@ -104,6 +104,7 @@ extern struct bcache *scan_bcache;
int label_scan(struct cmd_context *cmd);
int label_scan_devs(struct cmd_context *cmd, struct dev_filter *f, struct dm_list
*devs);
+int label_scan_devs_cached(struct cmd_context *cmd, struct dev_filter *f, struct dm_list
*devs);
int label_scan_devs_rw(struct cmd_context *cmd, struct dev_filter *f, struct dm_list
*devs);
int label_scan_devs_excl(struct dm_list *devs);
int label_scan_dev(struct device *dev);