[XFS] move syncing related members from struct bhv_vfs to struct xfs_mount
SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29508a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
parent
bd186aa901
commit
7439449670
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@ -457,9 +457,9 @@ xfs_fs_clear_inode(
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*/
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*/
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STATIC void
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STATIC void
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xfs_syncd_queue_work(
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xfs_syncd_queue_work(
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struct bhv_vfs *vfs,
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struct xfs_mount *mp,
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void *data,
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void *data,
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void (*syncer)(bhv_vfs_t *, void *))
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void (*syncer)(struct xfs_mount *, void *))
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{
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{
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struct bhv_vfs_sync_work *work;
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struct bhv_vfs_sync_work *work;
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@ -467,11 +467,11 @@ xfs_syncd_queue_work(
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INIT_LIST_HEAD(&work->w_list);
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INIT_LIST_HEAD(&work->w_list);
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work->w_syncer = syncer;
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work->w_syncer = syncer;
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work->w_data = data;
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work->w_data = data;
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work->w_vfs = vfs;
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work->w_mount = mp;
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spin_lock(&vfs->vfs_sync_lock);
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spin_lock(&mp->m_sync_lock);
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list_add_tail(&work->w_list, &vfs->vfs_sync_list);
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list_add_tail(&work->w_list, &mp->m_sync_list);
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spin_unlock(&vfs->vfs_sync_lock);
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spin_unlock(&mp->m_sync_lock);
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wake_up_process(vfs->vfs_sync_task);
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wake_up_process(mp->m_sync_task);
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}
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}
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/*
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/*
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@ -482,22 +482,22 @@ xfs_syncd_queue_work(
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*/
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*/
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STATIC void
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STATIC void
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xfs_flush_inode_work(
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xfs_flush_inode_work(
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bhv_vfs_t *vfs,
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struct xfs_mount *mp,
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void *inode)
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void *arg)
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{
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{
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filemap_flush(((struct inode *)inode)->i_mapping);
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struct inode *inode = arg;
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iput((struct inode *)inode);
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filemap_flush(inode->i_mapping);
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iput(inode);
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}
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}
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void
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void
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xfs_flush_inode(
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xfs_flush_inode(
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xfs_inode_t *ip)
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xfs_inode_t *ip)
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{
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{
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struct inode *inode = vn_to_inode(XFS_ITOV(ip));
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struct inode *inode = ip->i_vnode;
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struct bhv_vfs *vfs = XFS_MTOVFS(ip->i_mount);
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igrab(inode);
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igrab(inode);
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xfs_syncd_queue_work(vfs, inode, xfs_flush_inode_work);
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xfs_syncd_queue_work(ip->i_mount, inode, xfs_flush_inode_work);
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delay(msecs_to_jiffies(500));
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delay(msecs_to_jiffies(500));
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}
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}
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@ -507,11 +507,12 @@ xfs_flush_inode(
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*/
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*/
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STATIC void
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STATIC void
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xfs_flush_device_work(
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xfs_flush_device_work(
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bhv_vfs_t *vfs,
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struct xfs_mount *mp,
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void *inode)
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void *arg)
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{
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{
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sync_blockdev(vfs->vfs_super->s_bdev);
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struct inode *inode = arg;
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iput((struct inode *)inode);
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sync_blockdev(mp->m_vfsp->vfs_super->s_bdev);
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iput(inode);
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}
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}
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void
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void
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@ -519,34 +520,33 @@ xfs_flush_device(
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xfs_inode_t *ip)
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xfs_inode_t *ip)
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{
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{
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struct inode *inode = vn_to_inode(XFS_ITOV(ip));
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struct inode *inode = vn_to_inode(XFS_ITOV(ip));
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struct bhv_vfs *vfs = XFS_MTOVFS(ip->i_mount);
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igrab(inode);
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igrab(inode);
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xfs_syncd_queue_work(vfs, inode, xfs_flush_device_work);
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xfs_syncd_queue_work(ip->i_mount, inode, xfs_flush_device_work);
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delay(msecs_to_jiffies(500));
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delay(msecs_to_jiffies(500));
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xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE|XFS_LOG_SYNC);
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xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE|XFS_LOG_SYNC);
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}
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}
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STATIC void
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STATIC void
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vfs_sync_worker(
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xfs_sync_worker(
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bhv_vfs_t *vfsp,
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struct xfs_mount *mp,
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void *unused)
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void *unused)
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{
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{
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int error;
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int error;
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if (!(XFS_VFSTOM(vfsp)->m_flags & XFS_MOUNT_RDONLY))
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if (!(mp->m_flags & XFS_MOUNT_RDONLY))
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error = xfs_sync(XFS_VFSTOM(vfsp), SYNC_FSDATA | SYNC_BDFLUSH | \
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error = xfs_sync(mp, SYNC_FSDATA | SYNC_BDFLUSH | SYNC_ATTR |
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SYNC_ATTR | SYNC_REFCACHE | SYNC_SUPER);
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SYNC_REFCACHE | SYNC_SUPER);
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vfsp->vfs_sync_seq++;
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mp->m_sync_seq++;
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wake_up(&vfsp->vfs_wait_single_sync_task);
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wake_up(&mp->m_wait_single_sync_task);
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}
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}
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STATIC int
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STATIC int
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xfssyncd(
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xfssyncd(
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void *arg)
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void *arg)
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{
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{
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struct xfs_mount *mp = arg;
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long timeleft;
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long timeleft;
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bhv_vfs_t *vfsp = (bhv_vfs_t *) arg;
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bhv_vfs_sync_work_t *work, *n;
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bhv_vfs_sync_work_t *work, *n;
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LIST_HEAD (tmp);
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LIST_HEAD (tmp);
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@ -556,31 +556,31 @@ xfssyncd(
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timeleft = schedule_timeout_interruptible(timeleft);
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timeleft = schedule_timeout_interruptible(timeleft);
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/* swsusp */
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/* swsusp */
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try_to_freeze();
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try_to_freeze();
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if (kthread_should_stop() && list_empty(&vfsp->vfs_sync_list))
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if (kthread_should_stop() && list_empty(&mp->m_sync_list))
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break;
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break;
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spin_lock(&vfsp->vfs_sync_lock);
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spin_lock(&mp->m_sync_lock);
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/*
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/*
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* We can get woken by laptop mode, to do a sync -
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* We can get woken by laptop mode, to do a sync -
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* that's the (only!) case where the list would be
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* that's the (only!) case where the list would be
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* empty with time remaining.
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* empty with time remaining.
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*/
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*/
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if (!timeleft || list_empty(&vfsp->vfs_sync_list)) {
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if (!timeleft || list_empty(&mp->m_sync_list)) {
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if (!timeleft)
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if (!timeleft)
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timeleft = xfs_syncd_centisecs *
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timeleft = xfs_syncd_centisecs *
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msecs_to_jiffies(10);
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msecs_to_jiffies(10);
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INIT_LIST_HEAD(&vfsp->vfs_sync_work.w_list);
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INIT_LIST_HEAD(&mp->m_sync_work.w_list);
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list_add_tail(&vfsp->vfs_sync_work.w_list,
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list_add_tail(&mp->m_sync_work.w_list,
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&vfsp->vfs_sync_list);
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&mp->m_sync_list);
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}
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}
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list_for_each_entry_safe(work, n, &vfsp->vfs_sync_list, w_list)
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list_for_each_entry_safe(work, n, &mp->m_sync_list, w_list)
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list_move(&work->w_list, &tmp);
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list_move(&work->w_list, &tmp);
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spin_unlock(&vfsp->vfs_sync_lock);
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spin_unlock(&mp->m_sync_lock);
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list_for_each_entry_safe(work, n, &tmp, w_list) {
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list_for_each_entry_safe(work, n, &tmp, w_list) {
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(*work->w_syncer)(vfsp, work->w_data);
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(*work->w_syncer)(mp, work->w_data);
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list_del(&work->w_list);
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list_del(&work->w_list);
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if (work == &vfsp->vfs_sync_work)
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if (work == &mp->m_sync_work)
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continue;
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continue;
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kmem_free(work, sizeof(struct bhv_vfs_sync_work));
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kmem_free(work, sizeof(struct bhv_vfs_sync_work));
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}
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}
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@ -589,25 +589,6 @@ xfssyncd(
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return 0;
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return 0;
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}
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}
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STATIC int
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xfs_fs_start_syncd(
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bhv_vfs_t *vfsp)
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{
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vfsp->vfs_sync_work.w_syncer = vfs_sync_worker;
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vfsp->vfs_sync_work.w_vfs = vfsp;
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vfsp->vfs_sync_task = kthread_run(xfssyncd, vfsp, "xfssyncd");
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if (IS_ERR(vfsp->vfs_sync_task))
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return -PTR_ERR(vfsp->vfs_sync_task);
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return 0;
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}
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STATIC void
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xfs_fs_stop_syncd(
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bhv_vfs_t *vfsp)
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{
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kthread_stop(vfsp->vfs_sync_task);
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}
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STATIC void
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STATIC void
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xfs_fs_put_super(
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xfs_fs_put_super(
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struct super_block *sb)
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struct super_block *sb)
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@ -616,7 +597,8 @@ xfs_fs_put_super(
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struct xfs_mount *mp = XFS_M(sb);
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struct xfs_mount *mp = XFS_M(sb);
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int error;
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int error;
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xfs_fs_stop_syncd(vfsp);
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kthread_stop(mp->m_sync_task);
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xfs_sync(mp, SYNC_ATTR | SYNC_DELWRI);
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xfs_sync(mp, SYNC_ATTR | SYNC_DELWRI);
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error = xfs_unmount(mp, 0, NULL);
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error = xfs_unmount(mp, 0, NULL);
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if (error) {
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if (error) {
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struct super_block *sb,
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struct super_block *sb,
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int wait)
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int wait)
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{
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{
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bhv_vfs_t *vfsp = vfs_from_sb(sb);
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struct xfs_mount *mp = XFS_M(sb);
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struct xfs_mount *mp = XFS_M(sb);
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int error;
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int error;
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int flags;
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int flags;
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@ -663,22 +644,22 @@ xfs_fs_sync_super(
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sb->s_dirt = 0;
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sb->s_dirt = 0;
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if (unlikely(laptop_mode)) {
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if (unlikely(laptop_mode)) {
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int prev_sync_seq = vfsp->vfs_sync_seq;
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int prev_sync_seq = mp->m_sync_seq;
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/*
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/*
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* The disk must be active because we're syncing.
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* The disk must be active because we're syncing.
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* We schedule xfssyncd now (now that the disk is
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* We schedule xfssyncd now (now that the disk is
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* active) instead of later (when it might not be).
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* active) instead of later (when it might not be).
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*/
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*/
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wake_up_process(vfsp->vfs_sync_task);
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wake_up_process(mp->m_sync_task);
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/*
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/*
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* We have to wait for the sync iteration to complete.
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* We have to wait for the sync iteration to complete.
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* If we don't, the disk activity caused by the sync
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* If we don't, the disk activity caused by the sync
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* will come after the sync is completed, and that
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* will come after the sync is completed, and that
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* triggers another sync from laptop mode.
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* triggers another sync from laptop mode.
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*/
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*/
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wait_event(vfsp->vfs_wait_single_sync_task,
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wait_event(mp->m_wait_single_sync_task,
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vfsp->vfs_sync_seq != prev_sync_seq);
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mp->m_sync_seq != prev_sync_seq);
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}
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}
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return -error;
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return -error;
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@ -790,6 +771,11 @@ xfs_fs_fill_super(
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int error;
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int error;
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mp = xfs_mount_init();
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mp = xfs_mount_init();
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INIT_LIST_HEAD(&mp->m_sync_list);
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spin_lock_init(&mp->m_sync_lock);
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init_waitqueue_head(&mp->m_wait_single_sync_task);
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mp->m_vfsp = vfsp;
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mp->m_vfsp = vfsp;
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vfsp->vfs_mount = mp;
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vfsp->vfs_mount = mp;
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@ -834,8 +820,15 @@ xfs_fs_fill_super(
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error = EINVAL;
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error = EINVAL;
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goto fail_vnrele;
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goto fail_vnrele;
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}
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}
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if ((error = xfs_fs_start_syncd(vfsp)))
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mp->m_sync_work.w_syncer = xfs_sync_worker;
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mp->m_sync_work.w_mount = mp;
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mp->m_sync_task = kthread_run(xfssyncd, mp, "xfssyncd");
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if (IS_ERR(mp->m_sync_task)) {
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error = -PTR_ERR(mp->m_sync_task);
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goto fail_vnrele;
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goto fail_vnrele;
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}
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vn_trace_exit(XFS_I(sb->s_root->d_inode), __FUNCTION__,
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vn_trace_exit(XFS_I(sb->s_root->d_inode), __FUNCTION__,
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(inst_t *)__return_address);
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(inst_t *)__return_address);
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@ -204,9 +204,6 @@ vfs_allocate(
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struct bhv_vfs *vfsp;
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struct bhv_vfs *vfsp;
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vfsp = kmem_zalloc(sizeof(bhv_vfs_t), KM_SLEEP);
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vfsp = kmem_zalloc(sizeof(bhv_vfs_t), KM_SLEEP);
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INIT_LIST_HEAD(&vfsp->vfs_sync_list);
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spin_lock_init(&vfsp->vfs_sync_lock);
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init_waitqueue_head(&vfsp->vfs_wait_single_sync_task);
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vfsp->vfs_super = sb;
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vfsp->vfs_super = sb;
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sb->s_fs_info = vfsp;
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sb->s_fs_info = vfsp;
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@ -36,20 +36,14 @@ typedef struct kstatfs bhv_statvfs_t;
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typedef struct bhv_vfs_sync_work {
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typedef struct bhv_vfs_sync_work {
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struct list_head w_list;
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struct list_head w_list;
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struct bhv_vfs *w_vfs;
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struct xfs_mount *w_mount;
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void *w_data; /* syncer routine argument */
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void *w_data; /* syncer routine argument */
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void (*w_syncer)(struct bhv_vfs *, void *);
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void (*w_syncer)(struct xfs_mount *, void *);
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} bhv_vfs_sync_work_t;
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} bhv_vfs_sync_work_t;
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typedef struct bhv_vfs {
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typedef struct bhv_vfs {
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struct xfs_mount *vfs_mount;
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struct xfs_mount *vfs_mount;
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struct super_block *vfs_super; /* generic superblock pointer */
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struct super_block *vfs_super; /* generic superblock pointer */
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struct task_struct *vfs_sync_task; /* generalised sync thread */
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bhv_vfs_sync_work_t vfs_sync_work; /* work item for VFS_SYNC */
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struct list_head vfs_sync_list; /* sync thread work item list */
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spinlock_t vfs_sync_lock; /* work item list lock */
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int vfs_sync_seq; /* sync thread generation no. */
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wait_queue_head_t vfs_wait_single_sync_task;
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} bhv_vfs_t;
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} bhv_vfs_t;
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#define SYNC_ATTR 0x0001 /* sync attributes */
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#define SYNC_ATTR 0x0001 /* sync attributes */
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@ -433,6 +433,12 @@ typedef struct xfs_mount {
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struct mutex m_icsb_mutex; /* balancer sync lock */
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struct mutex m_icsb_mutex; /* balancer sync lock */
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#endif
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#endif
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struct xfs_mru_cache *m_filestream; /* per-mount filestream data */
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struct xfs_mru_cache *m_filestream; /* per-mount filestream data */
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struct task_struct *m_sync_task; /* generalised sync thread */
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bhv_vfs_sync_work_t m_sync_work; /* work item for VFS_SYNC */
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struct list_head m_sync_list; /* sync thread work item list */
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spinlock_t m_sync_lock; /* work item list lock */
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int m_sync_seq; /* sync thread generation no. */
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wait_queue_head_t m_wait_single_sync_task;
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} xfs_mount_t;
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} xfs_mount_t;
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/*
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/*
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