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author | David Chinner <david@fromorbit.com> | 2008-10-30 17:11:29 +1100 |
---|---|---|
committer | Lachlan McIlroy <lachlan@sgi.com> | 2008-10-30 17:11:29 +1100 |
commit | 6c7699c047c50403149ad91331dd39de47dea070 (patch) | |
tree | cb1be26f849f0d9c6014c311fde3c390b99c6cd3 | |
parent | 60197e8df364df326dcbb987519f367ad0ee1a11 (diff) | |
download | linux-3.10-6c7699c047c50403149ad91331dd39de47dea070.tar.gz linux-3.10-6c7699c047c50403149ad91331dd39de47dea070.tar.bz2 linux-3.10-6c7699c047c50403149ad91331dd39de47dea070.zip |
[XFS] remove the mount inode list
Now we've removed all users of the mount inode list, we can kill it. This
reduces the size of the xfs_inode by 2 pointers.
SGI-PV: 988139
SGI-Modid: xfs-linux-melb:xfs-kern:32293a
Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
-rw-r--r-- | fs/xfs/xfs_iget.c | 42 | ||||
-rw-r--r-- | fs/xfs/xfs_inode.h | 8 | ||||
-rw-r--r-- | fs/xfs/xfs_mount.c | 5 | ||||
-rw-r--r-- | fs/xfs/xfs_mount.h | 1 |
4 files changed, 1 insertions, 55 deletions
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 4c92d190b3b..1256746b249 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -76,7 +76,6 @@ xfs_iget_core( { struct inode *old_inode; xfs_inode_t *ip; - xfs_inode_t *iq; int error; unsigned long first_index, mask; xfs_perag_t *pag; @@ -255,24 +254,6 @@ finish_inode: write_unlock(&pag->pag_ici_lock); radix_tree_preload_end(); - - /* - * Link ip to its mount and thread it on the mount's inode list. - */ - XFS_MOUNT_ILOCK(mp); - if ((iq = mp->m_inodes)) { - ASSERT(iq->i_mprev->i_mnext == iq); - ip->i_mprev = iq->i_mprev; - iq->i_mprev->i_mnext = ip; - iq->i_mprev = ip; - ip->i_mnext = iq; - } else { - ip->i_mnext = ip; - ip->i_mprev = ip; - } - mp->m_inodes = ip; - - XFS_MOUNT_IUNLOCK(mp); xfs_put_perag(mp, pag); return_ip: @@ -493,36 +474,15 @@ xfs_iextract( { xfs_mount_t *mp = ip->i_mount; xfs_perag_t *pag = xfs_get_perag(mp, ip->i_ino); - xfs_inode_t *iq; write_lock(&pag->pag_ici_lock); radix_tree_delete(&pag->pag_ici_root, XFS_INO_TO_AGINO(mp, ip->i_ino)); write_unlock(&pag->pag_ici_lock); xfs_put_perag(mp, pag); - /* - * Remove from mount's inode list. - */ - XFS_MOUNT_ILOCK(mp); - ASSERT((ip->i_mnext != NULL) && (ip->i_mprev != NULL)); - iq = ip->i_mnext; - iq->i_mprev = ip->i_mprev; - ip->i_mprev->i_mnext = iq; - - /* - * Fix up the head pointer if it points to the inode being deleted. - */ - if (mp->m_inodes == ip) { - if (ip == iq) { - mp->m_inodes = NULL; - } else { - mp->m_inodes = iq; - } - } - /* 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.h b/fs/xfs/xfs_inode.h index 104623b7ec6..55d50b888b6 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -233,16 +233,8 @@ typedef struct dm_attrs_s { __uint16_t da_pad; /* DMIG extra padding */ } dm_attrs_t; -typedef struct { - struct xfs_inode *ip_mnext; /* next inode in mount list */ - struct xfs_inode *ip_mprev; /* ptr to prev inode */ - struct xfs_mount *ip_mount; /* fs mount struct ptr */ -} xfs_iptr_t; - typedef struct xfs_inode { /* Inode linking and identification information. */ - struct xfs_inode *i_mnext; /* next inode in mount list */ - struct xfs_inode *i_mprev; /* ptr to prev inode */ struct xfs_mount *i_mount; /* fs mount struct ptr */ struct list_head i_reclaim; /* reclaim list */ struct inode *i_vnode; /* vnode backpointer */ diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 40338ff8fdd..43e5917465a 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1282,11 +1282,6 @@ xfs_unmountfs( xfs_unmountfs_wait(mp); /* wait for async bufs */ xfs_log_unmount(mp); /* Done! No more fs ops. */ - /* - * All inodes from this mount point should be freed. - */ - ASSERT(mp->m_inodes == NULL); - if ((mp->m_flags & XFS_MOUNT_NOUUID) == 0) uuid_table_remove(&mp->m_sb.sb_uuid); diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index f4644d71548..0ba05269112 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -248,7 +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 xfs_inode *m_inodes; /* active inode list */ struct list_head m_del_inodes; /* inodes to reclaim */ mutex_t m_ilock; /* inode list mutex */ uint m_ireclaims; /* count of calls to reclaim*/ |