Commit 99f92a7c authored by Anand Jain's avatar Anand Jain Committed by David Sterba

btrfs: drop num argument from find_live_mirror()

Obtain the stripes info from the map directly and so no need
to pass it as an argument.
Signed-off-by: default avatarAnand Jain <anand.jain@oracle.com>
Reviewed-by: default avatarNikolay Borisov <nborisov@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 0a1e458a
......@@ -5274,13 +5274,22 @@ int btrfs_is_parity_mirror(struct btrfs_fs_info *fs_info, u64 logical, u64 len)
}
static int find_live_mirror(struct btrfs_fs_info *fs_info,
struct map_lookup *map, int first, int num,
struct map_lookup *map, int first,
int optimal, int dev_replace_is_ongoing)
{
int i;
int num_stripes;
int tolerance;
struct btrfs_device *srcdev;
ASSERT((map->type &
(BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_RAID10)));
if (map->type & BTRFS_BLOCK_GROUP_RAID10)
num_stripes = map->sub_stripes;
else
num_stripes = map->num_stripes;
if (dev_replace_is_ongoing &&
fs_info->dev_replace.cont_reading_from_srcdev_mode ==
BTRFS_DEV_REPLACE_ITEM_CONT_READING_FROM_SRCDEV_MODE_AVOID)
......@@ -5297,7 +5306,7 @@ static int find_live_mirror(struct btrfs_fs_info *fs_info,
if (map->stripes[optimal].dev->bdev &&
(tolerance || map->stripes[optimal].dev != srcdev))
return optimal;
for (i = first; i < first + num; i++) {
for (i = first; i < first + num_stripes; i++) {
if (map->stripes[i].dev->bdev &&
(tolerance || map->stripes[i].dev != srcdev))
return i;
......@@ -5834,7 +5843,6 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
stripe_index = mirror_num - 1;
else {
stripe_index = find_live_mirror(fs_info, map, 0,
map->num_stripes,
current->pid % map->num_stripes,
dev_replace_is_ongoing);
mirror_num = stripe_index + 1;
......@@ -5863,7 +5871,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
int old_stripe_index = stripe_index;
stripe_index = find_live_mirror(fs_info, map,
stripe_index,
map->sub_stripes, stripe_index +
stripe_index +
current->pid % map->sub_stripes,
dev_replace_is_ongoing);
mirror_num = stripe_index - old_stripe_index + 1;
......
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