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path: root/drivers/md/dm-zoned-metadata.c
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Diffstat (limited to 'drivers/md/dm-zoned-metadata.c')
-rw-r--r--drivers/md/dm-zoned-metadata.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 49bafc86aa9a..1a6cdab3e4ef 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -2050,7 +2050,7 @@ again:
goto out;
/* Allocate a random zone */
- dzone = dmz_alloc_zone(zmd, alloc_flags);
+ dzone = dmz_alloc_zone(zmd, 0, alloc_flags);
if (!dzone) {
if (dmz_dev_is_dying(zmd)) {
dzone = ERR_PTR(-EIO);
@@ -2156,7 +2156,7 @@ again:
goto out;
/* Allocate a random zone */
- bzone = dmz_alloc_zone(zmd, alloc_flags);
+ bzone = dmz_alloc_zone(zmd, 0, alloc_flags);
if (!bzone) {
if (dmz_dev_is_dying(zmd)) {
bzone = ERR_PTR(-EIO);
@@ -2187,11 +2187,12 @@ out:
* Get an unmapped (free) zone.
* This must be called with the mapping lock held.
*/
-struct dm_zone *dmz_alloc_zone(struct dmz_metadata *zmd, unsigned long flags)
+struct dm_zone *dmz_alloc_zone(struct dmz_metadata *zmd, unsigned int dev_idx,
+ unsigned long flags)
{
struct list_head *list;
struct dm_zone *zone;
- unsigned int dev_idx = 0;
+ int i = 0;
again:
if (flags & DMZ_ALLOC_CACHE)
@@ -2207,8 +2208,12 @@ again:
*/
if (!(flags & DMZ_ALLOC_RECLAIM))
return NULL;
- if (dev_idx < zmd->nr_devs) {
- dev_idx++;
+ /*
+ * Try to allocate from other devices
+ */
+ if (i < zmd->nr_devs) {
+ dev_idx = (dev_idx + 1) % zmd->nr_devs;
+ i++;
goto again;
}