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btrfs: raid56: use list_last_entry() at cache_rbio()

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Instead of using list_entry() against the list's prev entry, use
list_last_entry(), which removes the need to know the last member is
accessed through the prev list pointer and the naming makes it easier
to reason about what we are doing.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Filipe Manana 2025-05-01 12:54:03 +01:00 • committed by David Sterba
parent d26d16a432
commit c5d12d5b62
1 changed files with 3 additions and 3 deletions
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6
fs/btrfs/raid56.c
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@ -577,9 +577,9 @@ static void cache_rbio(struct btrfs_raid_bio *rbio)
if (table->cache_size > RBIO_CACHE_SIZE) {
struct btrfs_raid_bio *found;
found = list_entry(table->stripe_cache.prev,
struct btrfs_raid_bio,
stripe_cache);
found = list_last_entry(&table->stripe_cache,
struct btrfs_raid_bio,
stripe_cache);
if (found != rbio)
__remove_rbio_from_cache(found);