diff options
author | David Teigland <teigland@redhat.com> | 2020-10-21 12:20:17 -0500 |
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committer | David Teigland <teigland@redhat.com> | 2020-10-21 16:24:16 -0500 |
commit | a7f195b7e8f27c292761c604c1697c1d97cd5c1d (patch) | |
tree | 471dba92223e5209ee6da0e17cf468bb44be7b03 /lib/label | |
parent | 677f829e540ef0f2fa2781f4facc7571dee1fb83 (diff) | |
download | lvm2-a7f195b7e8f27c292761c604c1697c1d97cd5c1d.tar.gz |
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.
Diffstat (limited to 'lib/label')
-rw-r--r-- | lib/label/label.c | 15 | ||||
-rw-r--r-- | lib/label/label.h | 1 |
2 files changed, 16 insertions, 0 deletions
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 @@ -1303,6 +1303,21 @@ int label_read_pvid(struct device *dev) } /* + * 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 * device. This is called when vg_read() wants to guarantee that it is using 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); |