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thin: rename function

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Rename pool_can_resize_metadata() to more reusable
thin_pool_feature_supported() which could be queried
for mutiple different features.
This commit is contained in:
Zdenek Kabelac 2014-01-23 11:47:10 +01:00
parent 1d7b2715e5
commit 2dae78b722
4 changed files with 6 additions and 5 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.106 -
====================================
Rename internal pool_can_resize_metadata() to thin_pool_feature_supported().
Issue error if libbblkid detects signature and fails to return offset/length.
Update autoconf config.guess/sub to 2014-01-01.
Online thin pool metadata resize requires 1.10 kernel thin pool target.

4
lib/metadata/lv_manip.c
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@ -3469,7 +3469,7 @@ static int _adjust_policy_params(struct cmd_context *cmd,
return_0;
if ((PERCENT_0 < percent && percent <= PERCENT_100) &&
(percent > policy_threshold)) {
if (!pool_can_resize_metadata(lv)) {
if (!thin_pool_feature_supported(lv, THIN_FEATURE_METADATA_RESIZE)) {
log_error_once("Online metadata resize for %s/%s is not supported.",
lp->vg_name, lp->lv_name);
return 0;
@ -3535,7 +3535,7 @@ static int _lvresize_poolmetadata_prepare(struct cmd_context *cmd,
lp->poolmetadataextents = 0;
if (!pool_can_resize_metadata(pool_lv)) {
if (!thin_pool_feature_supported(pool_lv, THIN_FEATURE_METADATA_RESIZE)) {
log_error("Support for online metadata resize not detected.");
return 0;
}

2
lib/metadata/metadata-exported.h
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@ -674,7 +674,7 @@ uint64_t extents_from_size(struct cmd_context *cmd, uint64_t size,
struct logical_volume *find_pool_lv(const struct logical_volume *lv);
int pool_is_active(const struct logical_volume *pool_lv);
int pool_can_resize_metadata(const struct logical_volume *pool_lv);
int thin_pool_feature_supported(const struct logical_volume *pool_lv, int feature);
int update_pool_lv(struct logical_volume *lv, int activate);
int update_profilable_pool_params(struct cmd_context *cmd, struct profile *profile,
int passed_args, int *chunk_size_calc_method,

4
lib/metadata/thin_manip.c
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@ -206,7 +206,7 @@ int pool_is_active(const struct logical_volume *lv)
return 0;
}
int pool_can_resize_metadata(const struct logical_volume *lv)
int thin_pool_feature_supported(const struct logical_volume *lv, int feature)
{
static unsigned attr = 0U;
struct lv_segment *seg;
@ -225,7 +225,7 @@ int pool_can_resize_metadata(const struct logical_volume *lv)
return 0;
}
return (attr & THIN_FEATURE_METADATA_RESIZE) ? 1 : 0;
return (attr & feature) ? 1 : 0;
}
int pool_below_threshold(const struct lv_segment *pool_seg)