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Diffstat (limited to 'fs/xfs/xfs_super.c')
-rw-r--r--fs/xfs/xfs_super.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 37c39a155a58..9468c6878463 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -882,6 +882,24 @@ xfs_destroy_mount_workqueues(
destroy_workqueue(mp->m_unwritten_workqueue);
}
+/*
+ * Flush all dirty data to disk. Must not be called while holding an XFS_ILOCK
+ * or a page lock. We use sync_inodes_sb() here to ensure we block while waiting
+ * for IO to complete so that we effectively throttle multiple callers to the
+ * rate at which IO is completing.
+ */
+void
+xfs_flush_inodes(
+ struct xfs_mount *mp)
+{
+ struct super_block *sb = mp->m_super;
+
+ if (down_read_trylock(&sb->s_umount)) {
+ sync_inodes_sb(sb);
+ up_read(&sb->s_umount);
+ }
+}
+
/* Catch misguided souls that try to use this interface on XFS */
STATIC struct inode *
xfs_fs_alloc_inode(
@@ -1005,8 +1023,6 @@ xfs_fs_put_super(
{
struct xfs_mount *mp = XFS_M(sb);
- cancel_work_sync(&mp->m_flush_work);
-
xfs_filestream_unmount(mp);
xfs_unmountfs(mp);
@@ -1324,7 +1340,6 @@ xfs_fs_fill_super(
spin_lock_init(&mp->m_sb_lock);
mutex_init(&mp->m_growlock);
atomic_set(&mp->m_active_trans, 0);
- INIT_WORK(&mp->m_flush_work, xfs_flush_worker);
INIT_DELAYED_WORK(&mp->m_reclaim_work, xfs_reclaim_worker);
mp->m_super = sb;