2.4.15-pre8

 fs

diff -u --recursive --new-file v2.4.14/linux/fs/inode.c linux/fs/inode.c
--- v2.4.14/linux/fs/inode.c   Tue Oct  9 17:06:53 2001
+++ linux/fs/inode.c   Tue Nov 20 14:12:42 2001
@@ -66,7 +66,7 @@
  * NOTE! You also have to own the lock if you change
  * the i_state of an inode while it is in use..
  */
-spinlock_t inode_lock = SPIN_LOCK_UNLOCKED;
+static spinlock_t inode_lock = SPIN_LOCK_UNLOCKED;
 
 /*
  * Statistics gathering..
@@ -404,6 +404,8 @@
    spin_lock(&sb_lock);
    sb = sb_entry(super_blocks.next);
    for (; nr_inodes && sb != sb_entry(&super_blocks); sb = sb_entry(sb->s_list.next)) {
+      if (list_empty(&sb->s_dirty))
+         continue;
       spin_unlock(&sb_lock);
       nr_inodes = try_to_sync_unused_list(&sb->s_dirty, nr_inodes);
       spin_lock(&sb_lock);
@@ -678,11 +680,11 @@
       entry = entry->prev;
       inode = INODE(tmp);
       if (inode->i_state & (I_FREEING|I_CLEAR|I_LOCK))
-         BUG();
+         continue;
       if (!CAN_UNUSE(inode))
          continue;
       if (atomic_read(&inode->i_count))
-         BUG();
+         continue;
       list_del(tmp);
       list_del(&inode->i_hash);
       INIT_LIST_HEAD(&inode->i_hash);
@@ -957,8 +959,6 @@
        */
       inode = NULL;
    spin_unlock(&inode_lock);
-   if (inode)
-      wait_on_inode(inode);
    return inode;
 }