From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E2C8EC4332B for ; Tue, 12 Jan 2021 00:30:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BD0D122D2B for ; Tue, 12 Jan 2021 00:30:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727552AbhALAZz (ORCPT ); Mon, 11 Jan 2021 19:25:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:33688 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404086AbhAKXYQ (ORCPT ); Mon, 11 Jan 2021 18:24:16 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4604022D0B; Mon, 11 Jan 2021 23:23:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1610407414; bh=YHHIc3S/RfmulDU7HIW9PttQ+wdTcbt3ip+qMNxLBIY=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=d33u2x9Y4O7PCmwelX3/j6JHgkLn/aVW4IZEQpIn3gO+3fWHlTViM9taNZA+b/SvP fHms1Y01Hzmk7HHKwRv+uy65oYr43KmYnv+cVs/vjS/1o0uJxXcMAoQx+i1KKlpyit fThjd1oR1KVLJaE3/TYnsDBuzmzXRts45e3Zj1d1uTExB5/PRrnLPEXHzdM8oJ0sEM AZOFdrn34ox6k8Rca9o8wiKk8qLzKYYx9JzTyVEBz8emzkQ1+U7SktivqMO/GWBkLz 4/KE7ut5TcefKThIOalasnASEFvZiHuhKr6My9QGejqVN+SSPvywNfWx2NHr7QW//Y bgyzhV7g6WuoQ== Subject: [PATCH 3/7] xfs: consolidate incore inode radix tree posteof/cowblocks tags From: "Darrick J. Wong" To: djwong@kernel.org Cc: linux-xfs@vger.kernel.org Date: Mon, 11 Jan 2021 15:23:34 -0800 Message-ID: <161040741435.1582286.3950020739629626839.stgit@magnolia> In-Reply-To: <161040739544.1582286.11068012972712089066.stgit@magnolia> References: <161040739544.1582286.11068012972712089066.stgit@magnolia> User-Agent: StGit/0.19 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org From: Darrick J. Wong The clearing of posteof blocks and cowblocks serve the same purpose: removing speculative block preallocations from inactive files. We don't need to burn two radix tree tags on this, so combine them into one. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_icache.c | 104 +++++++++++++++++++++++++-------------------------- fs/xfs/xfs_icache.h | 4 +- fs/xfs/xfs_trace.h | 6 +-- 3 files changed, 54 insertions(+), 60 deletions(-) diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index c3867b25e362..da833f6e1fd9 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -943,7 +943,7 @@ xfs_queue_eofblocks( struct xfs_mount *mp) { rcu_read_lock(); - if (radix_tree_tagged(&mp->m_perag_tree, XFS_ICI_EOFBLOCKS_TAG)) + if (radix_tree_tagged(&mp->m_perag_tree, XFS_ICI_BLOCK_GC_TAG)) queue_delayed_work(mp->m_eofblocks_workqueue, &mp->m_eofblocks_work, msecs_to_jiffies(xfs_eofb_secs * 1000)); @@ -990,7 +990,7 @@ xfs_queue_cowblocks( struct xfs_mount *mp) { rcu_read_lock(); - if (radix_tree_tagged(&mp->m_perag_tree, XFS_ICI_COWBLOCKS_TAG)) + if (radix_tree_tagged(&mp->m_perag_tree, XFS_ICI_BLOCK_GC_TAG)) queue_delayed_work(mp->m_eofblocks_workqueue, &mp->m_cowblocks_work, msecs_to_jiffies(xfs_cowb_secs * 1000)); @@ -1388,6 +1388,9 @@ xfs_inode_free_eofblocks( wait = eofb && (eofb->eof_flags & XFS_EOF_FLAGS_SYNC); + if (!xfs_iflags_test(ip, XFS_IEOFBLOCKS)) + return 0; + if (!xfs_can_free_eofblocks(ip, false)) { /* inode could be preallocated or append-only */ trace_xfs_inode_free_eofblocks_invalid(ip); @@ -1427,7 +1430,7 @@ xfs_icache_free_eofblocks( struct xfs_eofblocks *eofb) { return __xfs_inode_walk(mp, 0, xfs_inode_free_eofblocks, eofb, - XFS_ICI_EOFBLOCKS_TAG); + XFS_ICI_BLOCK_GC_TAG); } /* @@ -1506,61 +1509,48 @@ xfs_inode_free_blocks( return xfs_blockgc_scan(mp, &eofb); } -static inline unsigned long -xfs_iflag_for_tag( - int tag) -{ - switch (tag) { - case XFS_ICI_EOFBLOCKS_TAG: - return XFS_IEOFBLOCKS; - case XFS_ICI_COWBLOCKS_TAG: - return XFS_ICOWBLOCKS; - default: - ASSERT(0); - return 0; - } -} - static void __xfs_inode_set_blocks_tag( - xfs_inode_t *ip, - void (*execute)(struct xfs_mount *mp), - void (*set_tp)(struct xfs_mount *mp, xfs_agnumber_t agno, - int error, unsigned long caller_ip), - int tag) + struct xfs_inode *ip, + void (*execute)(struct xfs_mount *mp), + unsigned long iflag) { - struct xfs_mount *mp = ip->i_mount; - struct xfs_perag *pag; - int tagged; + struct xfs_mount *mp = ip->i_mount; + struct xfs_perag *pag; + int tagged; + + ASSERT((iflag & ~(XFS_IEOFBLOCKS | XFS_ICOWBLOCKS)) == 0); /* * Don't bother locking the AG and looking up in the radix trees * if we already know that we have the tag set. */ - if (ip->i_flags & xfs_iflag_for_tag(tag)) + if (ip->i_flags & iflag) return; spin_lock(&ip->i_flags_lock); - ip->i_flags |= xfs_iflag_for_tag(tag); + ip->i_flags |= iflag; spin_unlock(&ip->i_flags_lock); pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino)); spin_lock(&pag->pag_ici_lock); - tagged = radix_tree_tagged(&pag->pag_ici_root, tag); + tagged = radix_tree_tagged(&pag->pag_ici_root, XFS_ICI_BLOCK_GC_TAG); radix_tree_tag_set(&pag->pag_ici_root, - XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino), tag); + XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino), + XFS_ICI_BLOCK_GC_TAG); if (!tagged) { - /* propagate the eofblocks tag up into the perag radix tree */ + /* propagate the blockgc tag up into the perag radix tree */ spin_lock(&ip->i_mount->m_perag_lock); radix_tree_tag_set(&ip->i_mount->m_perag_tree, XFS_INO_TO_AGNO(ip->i_mount, ip->i_ino), - tag); + XFS_ICI_BLOCK_GC_TAG); spin_unlock(&ip->i_mount->m_perag_lock); /* kick off background trimming */ execute(ip->i_mount); - set_tp(ip->i_mount, pag->pag_agno, -1, _RET_IP_); + trace_xfs_perag_set_blockgc(ip->i_mount, pag->pag_agno, -1, + _RET_IP_); } spin_unlock(&pag->pag_ici_lock); @@ -1573,37 +1563,43 @@ xfs_inode_set_eofblocks_tag( { trace_xfs_inode_set_eofblocks_tag(ip); return __xfs_inode_set_blocks_tag(ip, xfs_queue_eofblocks, - trace_xfs_perag_set_eofblocks, - XFS_ICI_EOFBLOCKS_TAG); + XFS_IEOFBLOCKS); } static void __xfs_inode_clear_blocks_tag( - xfs_inode_t *ip, - void (*clear_tp)(struct xfs_mount *mp, xfs_agnumber_t agno, - int error, unsigned long caller_ip), - int tag) + struct xfs_inode *ip, + unsigned long iflag) { - struct xfs_mount *mp = ip->i_mount; - struct xfs_perag *pag; + struct xfs_mount *mp = ip->i_mount; + struct xfs_perag *pag; + bool clear_tag; + + ASSERT((iflag & ~(XFS_IEOFBLOCKS | XFS_ICOWBLOCKS)) == 0); spin_lock(&ip->i_flags_lock); - ip->i_flags &= ~xfs_iflag_for_tag(tag); + ip->i_flags &= ~iflag; + clear_tag = (ip->i_flags & (XFS_IEOFBLOCKS | XFS_ICOWBLOCKS)) == 0; spin_unlock(&ip->i_flags_lock); + if (!clear_tag) + return; + pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino)); spin_lock(&pag->pag_ici_lock); radix_tree_tag_clear(&pag->pag_ici_root, - XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino), tag); - if (!radix_tree_tagged(&pag->pag_ici_root, tag)) { - /* clear the eofblocks tag from the perag radix tree */ + XFS_INO_TO_AGINO(ip->i_mount, ip->i_ino), + XFS_ICI_BLOCK_GC_TAG); + if (!radix_tree_tagged(&pag->pag_ici_root, XFS_ICI_BLOCK_GC_TAG)) { + /* clear the blockgc tag from the perag radix tree */ spin_lock(&ip->i_mount->m_perag_lock); radix_tree_tag_clear(&ip->i_mount->m_perag_tree, XFS_INO_TO_AGNO(ip->i_mount, ip->i_ino), - tag); + XFS_ICI_BLOCK_GC_TAG); spin_unlock(&ip->i_mount->m_perag_lock); - clear_tp(ip->i_mount, pag->pag_agno, -1, _RET_IP_); + trace_xfs_perag_clear_blockgc(ip->i_mount, pag->pag_agno, -1, + _RET_IP_); } spin_unlock(&pag->pag_ici_lock); @@ -1615,8 +1611,7 @@ xfs_inode_clear_eofblocks_tag( xfs_inode_t *ip) { trace_xfs_inode_clear_eofblocks_tag(ip); - return __xfs_inode_clear_blocks_tag(ip, - trace_xfs_perag_clear_eofblocks, XFS_ICI_EOFBLOCKS_TAG); + return __xfs_inode_clear_blocks_tag(ip, XFS_IEOFBLOCKS); } /* @@ -1674,6 +1669,9 @@ xfs_inode_free_cowblocks( wait = eofb && (eofb->eof_flags & XFS_EOF_FLAGS_SYNC); + if (!xfs_iflags_test(ip, XFS_ICOWBLOCKS)) + return 0; + if (!xfs_prep_free_cowblocks(ip)) return 0; @@ -1715,7 +1713,7 @@ xfs_icache_free_cowblocks( struct xfs_eofblocks *eofb) { return __xfs_inode_walk(mp, 0, xfs_inode_free_cowblocks, eofb, - XFS_ICI_COWBLOCKS_TAG); + XFS_ICI_BLOCK_GC_TAG); } void @@ -1724,8 +1722,7 @@ xfs_inode_set_cowblocks_tag( { trace_xfs_inode_set_cowblocks_tag(ip); return __xfs_inode_set_blocks_tag(ip, xfs_queue_cowblocks, - trace_xfs_perag_set_cowblocks, - XFS_ICI_COWBLOCKS_TAG); + XFS_ICOWBLOCKS); } void @@ -1733,8 +1730,7 @@ xfs_inode_clear_cowblocks_tag( xfs_inode_t *ip) { trace_xfs_inode_clear_cowblocks_tag(ip); - return __xfs_inode_clear_blocks_tag(ip, - trace_xfs_perag_clear_cowblocks, XFS_ICI_COWBLOCKS_TAG); + return __xfs_inode_clear_blocks_tag(ip, XFS_ICOWBLOCKS); } /* Disable post-EOF and CoW block auto-reclamation. */ diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h index 2f230d273a54..fcee10dbfbe9 100644 --- a/fs/xfs/xfs_icache.h +++ b/fs/xfs/xfs_icache.h @@ -23,8 +23,8 @@ struct xfs_eofblocks { #define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup in xfs_inode_walk */ #define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */ -#define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */ -#define XFS_ICI_COWBLOCKS_TAG 2 /* inode can have cow blocks to gc */ +/* Inode has speculative preallocations (posteof or cow) to clean. */ +#define XFS_ICI_BLOCK_GC_TAG 1 /* * Flags for xfs_iget() diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 9a29a5e18711..6bdd3eee2462 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -155,10 +155,8 @@ DEFINE_PERAG_REF_EVENT(xfs_perag_get_tag); DEFINE_PERAG_REF_EVENT(xfs_perag_put); DEFINE_PERAG_REF_EVENT(xfs_perag_set_reclaim); DEFINE_PERAG_REF_EVENT(xfs_perag_clear_reclaim); -DEFINE_PERAG_REF_EVENT(xfs_perag_set_eofblocks); -DEFINE_PERAG_REF_EVENT(xfs_perag_clear_eofblocks); -DEFINE_PERAG_REF_EVENT(xfs_perag_set_cowblocks); -DEFINE_PERAG_REF_EVENT(xfs_perag_clear_cowblocks); +DEFINE_PERAG_REF_EVENT(xfs_perag_set_blockgc); +DEFINE_PERAG_REF_EVENT(xfs_perag_clear_blockgc); DECLARE_EVENT_CLASS(xfs_ag_class, TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno),