From: Darrick J. Wong Date: Fri, 16 Jun 2017 18:00:04 +0000 (-0700) Subject: xfs: optimize _btree_query_all X-Git-Tag: MMI-PSA29.97-13-9~5139^2~39 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5a4c73342ad493c61f19a1406f47dcd35e18030f;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git xfs: optimize _btree_query_all Don't bother wandering our way through the leaf nodes when the caller issues a query_all; just zoom down the left side of the tree and walk rightwards along level zero. Signed-off-by: Darrick J. Wong Reviewed-by: Brian Foster --- diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 3a673ba201aa..d50517942273 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -4849,12 +4849,14 @@ xfs_btree_query_all( xfs_btree_query_range_fn fn, void *priv) { - union xfs_btree_irec low_rec; - union xfs_btree_irec high_rec; + union xfs_btree_key low_key; + union xfs_btree_key high_key; + + memset(&cur->bc_rec, 0, sizeof(cur->bc_rec)); + memset(&low_key, 0, sizeof(low_key)); + memset(&high_key, 0xFF, sizeof(high_key)); - memset(&low_rec, 0, sizeof(low_rec)); - memset(&high_rec, 0xFF, sizeof(high_rec)); - return xfs_btree_query_range(cur, &low_rec, &high_rec, fn, priv); + return xfs_btree_simple_query_range(cur, &low_key, &high_key, fn, priv); } /*