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btrfs: add kerneldoc for setup_items_for_insert

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Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2020-09-01 17:40:00 +03:00 committed by David Sterba
parent fc0d82e103
commit da9ffb242c
1 changed files with 10 additions and 4 deletions
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14
fs/btrfs/ctree.c
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@ -4753,10 +4753,16 @@ void btrfs_extend_item(struct btrfs_path *path, u32 data_size)
}
}
/*
* this is a helper for btrfs_insert_empty_items, the main goal here is
* to save stack depth by doing the bulk of the work in a function
* that doesn't call btrfs_search_slot
/**
* setup_items_for_insert - Helper called before inserting one or more items
* to a leaf. Main purpose is to save stack depth by doing the bulk of the work
* in a function that doesn't call btrfs_search_slot
*
* @root: root we are inserting items to
* @path: points to the leaf/slot where we are going to insert new items
* @cpu_key: array of keys for items to be inserted
* @data_size: size of the body of each item we are going to insert
* @nr: size of @cpu_key/@data_size arrays
*/
void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
const struct btrfs_key *cpu_key, u32 *data_size,