shaba/lvm2
1
0
Fork 0
mirror of git://sourceware.org/git/lvm2.git synced 2024-12-21 13:34:40 +03:00
Code Releases Activity

mirror: validate region_size for mirrors

Browse Source 
Check for region size properties of mirror segments.
This commit is contained in:
Zdenek Kabelac 2018-04-19 17:38:04 +02:00
parent 1693fef529
commit 79d214032b
2 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
WHATS_NEW
View File

@ -1,5 +1,6 @@
Version 2.02.178 - Version 2.02.178 -
===================================== =====================================
Extend validation of region_size for mirror segment.
Reload whole device stack when reinitilizing mirror log. Reload whole device stack when reinitilizing mirror log.
Mirrors without monitoring are WARNING and not blocking on error. Mirrors without monitoring are WARNING and not blocking on error.
Detect too big region_size with clustered mirrors. Detect too big region_size with clustered mirrors.

8
lib/metadata/merge.c
View File

@ -391,6 +391,14 @@ static void _check_lv_segment(struct logical_volume *lv, struct lv_segment *seg,
if (!(seg2 = first_seg(seg->log_lv)) || (find_mirror_seg(seg2) != seg)) if (!(seg2 = first_seg(seg->log_lv)) || (find_mirror_seg(seg2) != seg))
seg_error("log LV does not point back to mirror segment"); seg_error("log LV does not point back to mirror segment");
} }
if (seg_is_mirror(seg)) {
if (!seg->region_size)
seg_error("region size is zero");
else if (seg->region_size > seg->lv->size)
seg_error("region size is bigger then LV itself");
else if (!is_power_of_2(seg->region_size))
seg_error("region size is non power of 2");
}
} else { /* !mirrored */ } else { /* !mirrored */
if (seg->log_lv) { if (seg->log_lv) {
if (lv_is_raid_image(lv)) if (lv_is_raid_image(lv))