From patchwork Sat Jan 7 00:35:50 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 9502523 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 846EB60459 for ; Sat, 7 Jan 2017 00:35:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 78A4C2811E for ; Sat, 7 Jan 2017 00:35:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6D9D12851D; Sat, 7 Jan 2017 00:35:55 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CE9272811E for ; Sat, 7 Jan 2017 00:35:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966278AbdAGAfy (ORCPT ); Fri, 6 Jan 2017 19:35:54 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:51343 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964977AbdAGAfx (ORCPT ); Fri, 6 Jan 2017 19:35:53 -0500 Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v070ZqrM021672 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sat, 7 Jan 2017 00:35:52 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id v070Zpgg018597 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sat, 7 Jan 2017 00:35:52 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id v070ZpP1015564 for ; Sat, 7 Jan 2017 00:35:51 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 06 Jan 2017 16:35:51 -0800 Subject: [PATCH 01/47] xfs: plumb in needed functions for range querying of the freespace btrees From: "Darrick J. Wong" To: darrick.wong@oracle.com Cc: linux-xfs@vger.kernel.org Date: Fri, 06 Jan 2017 16:35:50 -0800 Message-ID: <148374935030.30431.1037014892099186108.stgit@birch.djwong.org> In-Reply-To: <148374934333.30431.11042523766304087227.stgit@birch.djwong.org> References: <148374934333.30431.11042523766304087227.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Plumb in the pieces (init_high_key, diff_two_keys) necessary to call query_range on the free space btrees. Remove the debugging asserts so that we can make queries starting from block 0. While we're at it, merge the redundant "if (btnum ==" hunks. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_alloc_btree.c | 162 +++++++++++++++++++++++++++++---------- 1 file changed, 119 insertions(+), 43 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c index efb467b..ba3ec9c 100644 --- a/fs/xfs/libxfs/xfs_alloc_btree.c +++ b/fs/xfs/libxfs/xfs_alloc_btree.c @@ -205,19 +205,28 @@ xfs_allocbt_init_key_from_rec( union xfs_btree_key *key, union xfs_btree_rec *rec) { - ASSERT(rec->alloc.ar_startblock != 0); - key->alloc.ar_startblock = rec->alloc.ar_startblock; key->alloc.ar_blockcount = rec->alloc.ar_blockcount; } STATIC void +xfs_bnobt_init_high_key_from_rec( + union xfs_btree_key *key, + union xfs_btree_rec *rec) +{ + __u32 x; + + x = be32_to_cpu(rec->alloc.ar_startblock); + x += be32_to_cpu(rec->alloc.ar_blockcount) - 1; + key->alloc.ar_startblock = cpu_to_be32(x); + key->alloc.ar_blockcount = 0; +} + +STATIC void xfs_allocbt_init_rec_from_cur( struct xfs_btree_cur *cur, union xfs_btree_rec *rec) { - ASSERT(cur->bc_rec.a.ar_startblock != 0); - rec->alloc.ar_startblock = cpu_to_be32(cur->bc_rec.a.ar_startblock); rec->alloc.ar_blockcount = cpu_to_be32(cur->bc_rec.a.ar_blockcount); } @@ -236,18 +245,24 @@ xfs_allocbt_init_ptr_from_cur( } STATIC __int64_t -xfs_allocbt_key_diff( +xfs_bnobt_key_diff( struct xfs_btree_cur *cur, union xfs_btree_key *key) { xfs_alloc_rec_incore_t *rec = &cur->bc_rec.a; xfs_alloc_key_t *kp = &key->alloc; - __int64_t diff; - if (cur->bc_btnum == XFS_BTNUM_BNO) { - return (__int64_t)be32_to_cpu(kp->ar_startblock) - - rec->ar_startblock; - } + return (__int64_t)be32_to_cpu(kp->ar_startblock) - rec->ar_startblock; +} + +STATIC __int64_t +xfs_cntbt_key_diff( + struct xfs_btree_cur *cur, + union xfs_btree_key *key) +{ + xfs_alloc_rec_incore_t *rec = &cur->bc_rec.a; + xfs_alloc_key_t *kp = &key->alloc; + __int64_t diff; diff = (__int64_t)be32_to_cpu(kp->ar_blockcount) - rec->ar_blockcount; if (diff) @@ -256,6 +271,33 @@ xfs_allocbt_key_diff( return (__int64_t)be32_to_cpu(kp->ar_startblock) - rec->ar_startblock; } +STATIC __int64_t +xfs_bnobt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return (__int64_t)be32_to_cpu(k1->alloc.ar_startblock) - + be32_to_cpu(k2->alloc.ar_startblock); +} + +STATIC __int64_t +xfs_cntbt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + __int64_t diff; + + diff = be32_to_cpu(k1->alloc.ar_blockcount) - + be32_to_cpu(k2->alloc.ar_blockcount); + if (diff) + return diff; + + return be32_to_cpu(k1->alloc.ar_startblock) - + be32_to_cpu(k2->alloc.ar_startblock); +} + static bool xfs_allocbt_verify( struct xfs_buf *bp) @@ -346,44 +388,78 @@ const struct xfs_buf_ops xfs_allocbt_buf_ops = { #if defined(DEBUG) || defined(XFS_WARN) STATIC int -xfs_allocbt_keys_inorder( +xfs_bnobt_keys_inorder( struct xfs_btree_cur *cur, union xfs_btree_key *k1, union xfs_btree_key *k2) { - if (cur->bc_btnum == XFS_BTNUM_BNO) { - return be32_to_cpu(k1->alloc.ar_startblock) < - be32_to_cpu(k2->alloc.ar_startblock); - } else { - return be32_to_cpu(k1->alloc.ar_blockcount) < - be32_to_cpu(k2->alloc.ar_blockcount) || - (k1->alloc.ar_blockcount == k2->alloc.ar_blockcount && - be32_to_cpu(k1->alloc.ar_startblock) < - be32_to_cpu(k2->alloc.ar_startblock)); - } + return be32_to_cpu(k1->alloc.ar_startblock) < + be32_to_cpu(k2->alloc.ar_startblock); } STATIC int -xfs_allocbt_recs_inorder( +xfs_bnobt_recs_inorder( struct xfs_btree_cur *cur, union xfs_btree_rec *r1, union xfs_btree_rec *r2) { - if (cur->bc_btnum == XFS_BTNUM_BNO) { - return be32_to_cpu(r1->alloc.ar_startblock) + - be32_to_cpu(r1->alloc.ar_blockcount) <= - be32_to_cpu(r2->alloc.ar_startblock); - } else { - return be32_to_cpu(r1->alloc.ar_blockcount) < - be32_to_cpu(r2->alloc.ar_blockcount) || - (r1->alloc.ar_blockcount == r2->alloc.ar_blockcount && - be32_to_cpu(r1->alloc.ar_startblock) < - be32_to_cpu(r2->alloc.ar_startblock)); - } + return be32_to_cpu(r1->alloc.ar_startblock) + + be32_to_cpu(r1->alloc.ar_blockcount) <= + be32_to_cpu(r2->alloc.ar_startblock); +} + +STATIC int +xfs_cntbt_keys_inorder( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return be32_to_cpu(k1->alloc.ar_blockcount) < + be32_to_cpu(k2->alloc.ar_blockcount) || + (k1->alloc.ar_blockcount == k2->alloc.ar_blockcount && + be32_to_cpu(k1->alloc.ar_startblock) < + be32_to_cpu(k2->alloc.ar_startblock)); +} + +STATIC int +xfs_cntbt_recs_inorder( + struct xfs_btree_cur *cur, + union xfs_btree_rec *r1, + union xfs_btree_rec *r2) +{ + return be32_to_cpu(r1->alloc.ar_blockcount) < + be32_to_cpu(r2->alloc.ar_blockcount) || + (r1->alloc.ar_blockcount == r2->alloc.ar_blockcount && + be32_to_cpu(r1->alloc.ar_startblock) < + be32_to_cpu(r2->alloc.ar_startblock)); } -#endif /* DEBUG */ +#endif /* DEBUG */ + +static const struct xfs_btree_ops xfs_bnobt_ops = { + .rec_len = sizeof(xfs_alloc_rec_t), + .key_len = sizeof(xfs_alloc_key_t), + + .dup_cursor = xfs_allocbt_dup_cursor, + .set_root = xfs_allocbt_set_root, + .alloc_block = xfs_allocbt_alloc_block, + .free_block = xfs_allocbt_free_block, + .update_lastrec = xfs_allocbt_update_lastrec, + .get_minrecs = xfs_allocbt_get_minrecs, + .get_maxrecs = xfs_allocbt_get_maxrecs, + .init_key_from_rec = xfs_allocbt_init_key_from_rec, + .init_high_key_from_rec = xfs_bnobt_init_high_key_from_rec, + .init_rec_from_cur = xfs_allocbt_init_rec_from_cur, + .init_ptr_from_cur = xfs_allocbt_init_ptr_from_cur, + .key_diff = xfs_bnobt_key_diff, + .buf_ops = &xfs_allocbt_buf_ops, + .diff_two_keys = xfs_bnobt_diff_two_keys, +#if defined(DEBUG) || defined(XFS_WARN) + .keys_inorder = xfs_bnobt_keys_inorder, + .recs_inorder = xfs_bnobt_recs_inorder, +#endif +}; -static const struct xfs_btree_ops xfs_allocbt_ops = { +static const struct xfs_btree_ops xfs_cntbt_ops = { .rec_len = sizeof(xfs_alloc_rec_t), .key_len = sizeof(xfs_alloc_key_t), @@ -397,11 +473,12 @@ static const struct xfs_btree_ops xfs_allocbt_ops = { .init_key_from_rec = xfs_allocbt_init_key_from_rec, .init_rec_from_cur = xfs_allocbt_init_rec_from_cur, .init_ptr_from_cur = xfs_allocbt_init_ptr_from_cur, - .key_diff = xfs_allocbt_key_diff, + .key_diff = xfs_cntbt_key_diff, .buf_ops = &xfs_allocbt_buf_ops, + .diff_two_keys = xfs_cntbt_diff_two_keys, #if defined(DEBUG) || defined(XFS_WARN) - .keys_inorder = xfs_allocbt_keys_inorder, - .recs_inorder = xfs_allocbt_recs_inorder, + .keys_inorder = xfs_cntbt_keys_inorder, + .recs_inorder = xfs_cntbt_recs_inorder, #endif }; @@ -427,16 +504,15 @@ xfs_allocbt_init_cursor( cur->bc_mp = mp; cur->bc_btnum = btnum; cur->bc_blocklog = mp->m_sb.sb_blocklog; - cur->bc_ops = &xfs_allocbt_ops; - if (btnum == XFS_BTNUM_BNO) - cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_abtb_2); - else - cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_abtc_2); if (btnum == XFS_BTNUM_CNT) { + cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_abtc_2); + cur->bc_ops = &xfs_cntbt_ops; cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]); cur->bc_flags = XFS_BTREE_LASTREC_UPDATE; } else { + cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_abtb_2); + cur->bc_ops = &xfs_bnobt_ops; cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]); }