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| author | Alasdair Kergon <agk@redhat.com> | 2011-09-09 01:15:18 +0000 |
|---|---|---|
| committer | Alasdair Kergon <agk@redhat.com> | 2011-09-09 01:15:18 +0000 |
| commit | 5081181b5d89886389758cd42adc9b8251da327d (patch) | |
| tree | ba6ae01db1f8106e282d0f95be7ffb513517614c /lib/metadata | |
| parent | dbb48de5078b00aed7f6f77453d435e8b6e45c49 (diff) | |
| download | lvm2-5081181b5d89886389758cd42adc9b8251da327d.tar.gz lvm2-5081181b5d89886389758cd42adc9b8251da327d.tar.xz lvm2-5081181b5d89886389758cd42adc9b8251da327d.zip | |
Append z to lv_attr if new blocks will be zeroed.
Diffstat (limited to 'lib/metadata')
| -rw-r--r-- | lib/metadata/lv.c | 10 | ||||
| -rw-r--r-- | lib/metadata/metadata.h | 2 | ||||
| -rw-r--r-- | lib/metadata/thin_manip.c | 2 |
3 files changed, 11 insertions, 3 deletions
diff --git a/lib/metadata/lv.c b/lib/metadata/lv.c index 322727eb..8434e45c 100644 --- a/lib/metadata/lv.c +++ b/lib/metadata/lv.c @@ -308,9 +308,10 @@ char *lv_attr_dup(struct dm_pool *mem, const struct logical_volume *lv) { percent_t snap_percent; struct lvinfo info; + struct lv_segment *seg; char *repstr; - if (!(repstr = dm_pool_zalloc(mem, 8))) { + if (!(repstr = dm_pool_zalloc(mem, 9))) { log_error("dm_pool_alloc failed"); return 0; } @@ -405,6 +406,13 @@ char *lv_attr_dup(struct dm_pool *mem, const struct logical_volume *lv) else repstr[6] = '-'; + if ((lv_is_thin_volume(lv) && (seg = first_seg(lv)) && seg->pool_lv && (seg = first_seg(seg->pool_lv))) || + (lv_is_thin_pool(lv) && (seg = first_seg(lv))) && + seg->zero_new_blocks) + repstr[7] = 'z'; + else + repstr[7] = '-'; + out: return repstr; } diff --git a/lib/metadata/metadata.h b/lib/metadata/metadata.h index 87e26047..e984ba83 100644 --- a/lib/metadata/metadata.h +++ b/lib/metadata/metadata.h @@ -372,7 +372,7 @@ struct pv_list *find_pv_in_pv_list(const struct dm_list *pl, struct lv_segment *find_seg_by_le(const struct logical_volume *lv, uint32_t le); /* Find pool LV segment given a thin pool data or metadata segment. */ -struct lv_segment *find_pool_seg(struct lv_segment *seg); +struct lv_segment *find_pool_seg(const struct lv_segment *seg); /* * Remove a dev_dir if present. diff --git a/lib/metadata/thin_manip.c b/lib/metadata/thin_manip.c index e8bf48c3..2412db6c 100644 --- a/lib/metadata/thin_manip.c +++ b/lib/metadata/thin_manip.c @@ -61,7 +61,7 @@ int detach_pool_lv(struct lv_segment *seg) return remove_seg_from_segs_using_this_lv(seg->pool_lv, seg); } -struct lv_segment *find_pool_seg(struct lv_segment *seg) +struct lv_segment *find_pool_seg(const struct lv_segment *seg) { struct lv_segment *pool_seg; |