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btrfs: cache stripe tree usage in io_geometry

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Cache the return of btrfs_need_stripe_tree_update() in struct
btrfs_io_geometry.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Johannes Thumshirn 2024-12-16 09:10:39 +01:00 committed by David Sterba
parent 31dd35f120
commit f31fcf0b29
1 changed files with 3 additions and 2 deletions
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5
fs/btrfs/volumes.c
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@ -48,6 +48,7 @@ struct btrfs_io_geometry {
u64 raid56_full_stripe_start;
int max_errors;
enum btrfs_map_op op;
bool use_rst;
};
const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = {
@ -6346,8 +6347,7 @@ static int set_io_stripe(struct btrfs_fs_info *fs_info, u64 logical,
{
dst->dev = map->stripes[io_geom->stripe_index].dev;
if (io_geom->op == BTRFS_MAP_READ &&
btrfs_need_stripe_tree_update(fs_info, map->type))
if (io_geom->op == BTRFS_MAP_READ && io_geom->use_rst)
return btrfs_get_raid_extent_offset(fs_info, logical, length,
map->type,
io_geom->stripe_index, dst);
@ -6579,6 +6579,7 @@ int btrfs_map_block(struct btrfs_fs_info *fs_info, enum btrfs_map_op op,
io_geom.raid56_full_stripe_start = (u64)-1;
max_len = btrfs_max_io_len(map, map_offset, &io_geom);
*length = min_t(u64, map->chunk_len - map_offset, max_len);
io_geom.use_rst = btrfs_need_stripe_tree_update(fs_info, map->type);
if (dev_replace->replace_task != current)
down_read(&dev_replace->rwsem);