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authorDavid Chinner <david@fromorbit.com>2008-10-30 17:11:29 +1100
committerLachlan McIlroy <lachlan@sgi.com>2008-10-30 17:11:29 +1100
commit6c7699c047c50403149ad91331dd39de47dea070 (patch)
treecb1be26f849f0d9c6014c311fde3c390b99c6cd3 /fs
parent60197e8df364df326dcbb987519f367ad0ee1a11 (diff)
[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>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/xfs_iget.c42
-rw-r--r--fs/xfs/xfs_inode.h8
-rw-r--r--fs/xfs/xfs_mount.c5
-rw-r--r--fs/xfs/xfs_mount.h1
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*/