From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Tue, 07 Oct 2008 14:53:19 -0700 (PDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.168.29]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m97Lr68j005458 for ; Tue, 7 Oct 2008 14:53:06 -0700 Received: from ipmail05.adl2.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 7D3C44C6347 for ; Tue, 7 Oct 2008 14:54:45 -0700 (PDT) Received: from ipmail05.adl2.internode.on.net (ipmail05.adl2.internode.on.net [203.16.214.145]) by cuda.sgi.com with ESMTP id TxjjOyay2trzBCuH for ; Tue, 07 Oct 2008 14:54:45 -0700 (PDT) Received: from dave by disturbed with local (Exim 4.69) (envelope-from ) id 1KnKVt-00022l-Ei for xfs@oss.sgi.com; Wed, 08 Oct 2008 08:54:41 +1100 From: Dave Chinner Subject: [PATCH 5/6] XFS: kill deleted inodes list Date: Wed, 8 Oct 2008 08:54:39 +1100 Message-Id: <1223416480-7701-6-git-send-email-david@fromorbit.com> In-Reply-To: <1223416480-7701-1-git-send-email-david@fromorbit.com> References: <1223416480-7701-1-git-send-email-david@fromorbit.com> Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: xfs@oss.sgi.com Now that the deleted inodes list is unused, kill it. This also removes the i_reclaim list head from the xfs_inode, shrinking it by two pointers. Signed-off-by: Dave Chinner --- fs/xfs/linux-2.6/xfs_super.c | 2 -- fs/xfs/linux-2.6/xfs_sync.c | 6 ++++++ fs/xfs/xfs_iget.c | 8 -------- fs/xfs/xfs_inode.c | 4 ++-- fs/xfs/xfs_inode.h | 1 - fs/xfs/xfs_mount.c | 1 - fs/xfs/xfs_mount.h | 5 +---- fs/xfs/xfs_vnodeops.c | 12 +----------- 8 files changed, 10 insertions(+), 29 deletions(-) diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index b893f8c..f4bf7ca 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -907,7 +907,6 @@ xfs_fs_inode_init_once( atomic_set(&ip->i_iocount, 0); atomic_set(&ip->i_pincount, 0); spin_lock_init(&ip->i_flags_lock); - INIT_LIST_HEAD(&ip->i_reclaim); init_waitqueue_head(&ip->i_ipin_wait); /* * Because we want to use a counting completion, complete @@ -1549,7 +1548,6 @@ xfs_fs_fill_super( goto out_free_args; spin_lock_init(&mp->m_sb_lock); - mutex_init(&mp->m_ilock); mutex_init(&mp->m_growlock); atomic_set(&mp->m_active_trans, 0); INIT_LIST_HEAD(&mp->m_sync_list); diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c index bbb40e2..22006b5 100644 --- a/fs/xfs/linux-2.6/xfs_sync.c +++ b/fs/xfs/linux-2.6/xfs_sync.c @@ -644,6 +644,11 @@ xfs_reclaim_inode( return 0; } +/* + * We set the inode flag atomically with the radix tree tag. + * Once we get tag lookups on the radix tree, this inode flag + * can go away. + */ void xfs_inode_set_reclaim_tag( xfs_inode_t *ip) @@ -655,6 +660,7 @@ xfs_inode_set_reclaim_tag( spin_lock(&ip->i_flags_lock); radix_tree_tag_set(&pag->pag_ici_root, XFS_INO_TO_AGINO(mp, ip->i_ino), XFS_ICI_RECLAIM_TAG); + __xfs_iflags_set(ip, XFS_IRECLAIMABLE); spin_unlock(&ip->i_flags_lock); read_unlock(&pag->pag_ici_lock); xfs_put_perag(mp, pag); diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index a0387f1..8001338 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -95,10 +95,6 @@ xfs_iget_cache_hit( /* clear the radix tree reclaim flag as well. */ __xfs_inode_clear_reclaim_tag(mp, pag, ip); read_unlock(&pag->pag_ici_lock); - - XFS_MOUNT_ILOCK(mp); - list_del_init(&ip->i_reclaim); - XFS_MOUNT_IUNLOCK(mp); } else if (!igrab(VFS_I(ip))) { /* If the VFS inode is being torn down, pause and try again. */ error = EAGAIN; @@ -419,11 +415,7 @@ xfs_iextract( write_unlock(&pag->pag_ici_lock); xfs_put_perag(mp, pag); - /* Deal with the deleted inodes list */ - XFS_MOUNT_ILOCK(mp); - list_del_init(&ip->i_reclaim); mp->m_ireclaims++; - XFS_MOUNT_IUNLOCK(mp); } /* diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 307a63f..456941e 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -810,7 +810,7 @@ xfs_inode_alloc( ASSERT(atomic_read(&ip->i_iocount) == 0); ASSERT(atomic_read(&ip->i_pincount) == 0); ASSERT(!spin_is_locked(&ip->i_flags_lock)); - ASSERT(list_empty(&ip->i_reclaim)); + ASSERT(completion_done(&ip->i_flush)); /* * initialise the VFS inode here to get failures @@ -2732,7 +2732,7 @@ xfs_idestroy( ASSERT(atomic_read(&ip->i_iocount) == 0); ASSERT(atomic_read(&ip->i_pincount) == 0); ASSERT(!spin_is_locked(&ip->i_flags_lock)); - ASSERT(list_empty(&ip->i_reclaim)); + ASSERT(completion_done(&ip->i_flush)); kmem_zone_free(xfs_inode_zone, ip); } diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index f946b13..f02535c 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -236,7 +236,6 @@ typedef struct dm_attrs_s { typedef struct xfs_inode { /* Inode linking and identification information. */ struct xfs_mount *i_mount; /* fs mount struct ptr */ - struct list_head i_reclaim; /* reclaim list */ struct xfs_dquot *i_udquot; /* user dquot */ struct xfs_dquot *i_gdquot; /* group dquot */ diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index a230d8f..794a4e2 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -582,7 +582,6 @@ xfs_mount_common(xfs_mount_t *mp, xfs_sb_t *sbp) mp->m_blockmask = sbp->sb_blocksize - 1; mp->m_blockwsize = sbp->sb_blocksize >> XFS_WORDLOG; mp->m_blockwmask = mp->m_blockwsize - 1; - INIT_LIST_HEAD(&mp->m_del_inodes); /* * Setup for attributes, in case they get created. diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 7e02a86..fc70c69 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -248,8 +248,6 @@ typedef struct xfs_mount { xfs_agnumber_t m_agirotor; /* last ag dir inode alloced */ spinlock_t m_agirotor_lock;/* .. and lock protecting it */ xfs_agnumber_t m_maxagi; /* highest inode alloc group */ - struct list_head m_del_inodes; /* inodes to reclaim */ - mutex_t m_ilock; /* inode list mutex */ uint m_ireclaims; /* count of calls to reclaim*/ uint m_readio_log; /* min read size log bytes */ uint m_readio_blocks; /* min read size blocks */ @@ -312,8 +310,7 @@ typedef struct xfs_mount { int m_attr_magicpct;/* 37% of the blocksize */ int m_dir_magicpct; /* 37% of the dir blocksize */ __uint8_t m_mk_sharedro; /* mark shared ro on unmount */ - __uint8_t m_inode_quiesce;/* call quiesce on new inodes. - field governed by m_ilock */ + __uint8_t m_inode_quiesce;/* call quiesce on new inodes. */ __uint8_t m_sectbb_log; /* sectlog - BBSHIFT */ const struct xfs_nameops *m_dirnameops; /* vector of dir name ops */ int m_dirblksize; /* directory block sz--bytes */ diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index cbde288..bfb25f7 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -2810,18 +2810,8 @@ xfs_reclaim( xfs_iflock(ip); xfs_iflags_set(ip, XFS_IRECLAIMABLE); return xfs_reclaim_inode(ip, 1, XFS_IFLUSH_DELWRI_ELSE_SYNC); - } else { - xfs_mount_t *mp = ip->i_mount; - - /* Protect sync and unpin from us */ - XFS_MOUNT_ILOCK(mp); - spin_lock(&ip->i_flags_lock); - __xfs_iflags_set(ip, XFS_IRECLAIMABLE); - spin_unlock(&ip->i_flags_lock); - list_add_tail(&ip->i_reclaim, &mp->m_del_inodes); - XFS_MOUNT_IUNLOCK(mp); - xfs_inode_set_reclaim_tag(ip); } + xfs_inode_set_reclaim_tag(ip); return 0; } -- 1.5.6.5