With 20 threads each walking a dedicated 1000 dirs * 1000 files directory tree to stat(2) on a 32 core + 24GB ram vm: before: 3.54s user 892.30s system 1966% cpu 45.549 total after: 3.28s user 738.66s system 1955% cpu 37.932 total (-16.7%) Benchmark can be found here: https://people.freebsd.org/~mjg/fstree.tgz Reviewed-by: Josef Bacik <josef@xxxxxxxxxxxxxx> Signed-off-by: Mateusz Guzik <mjguzik@xxxxxxxxx> --- fs/btrfs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 4883cb512379..457d2c18d071 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -5588,7 +5588,7 @@ static struct inode *btrfs_iget_locked(struct super_block *s, u64 ino, args.ino = ino; args.root = root; - inode = iget5_locked(s, hashval, btrfs_find_actor, + inode = iget5_locked_rcu(s, hashval, btrfs_find_actor, btrfs_init_locked_inode, (void *)&args); return inode; -- 2.43.0
