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btrfs: cache RAID stripe tree decision in btrfs_io_context

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Cache the decision if a particular I/O needs to update RAID stripe tree
entries in struct btrfs_io_context.

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 09:10:40 +01:00 committed by David Sterba
parent 68ab9825a6
commit 9c48bcec47
3 changed files with 3 additions and 2 deletions
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3
fs/btrfs/bio.c
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@ -725,8 +725,7 @@ static bool btrfs_submit_chunk(struct btrfs_bio *bbio, int mirror_num)
bio->bi_opf |= REQ_OP_ZONE_APPEND;
}
if (is_data_bbio(bbio) && bioc &&
btrfs_need_stripe_tree_update(bioc->fs_info, bioc->map_type)) {
if (is_data_bbio(bbio) && bioc && bioc->use_rst) {
/*
* No locking for the list update, as we only add to
* the list in the I/O submission path, and list

1
fs/btrfs/volumes.c
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@ -6663,6 +6663,7 @@ int btrfs_map_block(struct btrfs_fs_info *fs_info, enum btrfs_map_op op,
goto out;
}
bioc->map_type = map->type;
bioc->use_rst = io_geom.use_rst;
/*
* For RAID56 full map, we need to make sure the stripes[] follows the

1
fs/btrfs/volumes.h
View File

@ -485,6 +485,7 @@ struct btrfs_io_context {
struct bio *orig_bio;
atomic_t error;
u16 max_errors;
bool use_rst;
u64 logical;
u64 size;