[FIX] Re: umount segfault on shutdown

From: Alexander Viro (viro@math.psu.edu)
Date: Sat May 26 2001 - 23:24:46 EST


On Sat, 26 May 2001, Gavin wrote:

> Hi,
> Hope this is enough info :P
>
> Unmounting file systems: journal_begin called without kernel lock held
> kernel BUG at journal.c:423!

--- fs/super.c Fri May 25 21:51:14 2001
+++ fs/super.c.new Sun May 27 00:21:53 2001
@@ -873,6 +873,7 @@
         }
         spin_unlock(&dcache_lock);
         down_write(&sb->s_umount);
+ lock_kernel();
         sb->s_root = NULL;
         /* Need to clean after the sucker */
         if (fs->fs_flags & FS_LITTER)
@@ -901,6 +902,7 @@
         put_filesystem(fs);
         sb->s_type = NULL;
         unlock_super(sb);
+ unlock_kernel();
         up_write(&sb->s_umount);
         if (bdev) {
                 blkdev_put(bdev, BDEV_FS);

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This archive was generated by hypermail 2b29 : Thu May 31 2001 - 21:00:31 EST