[PATCH -rc2-mm2] update tmpfs for new delete_inode behavior

[Hugh Dickins]

LTP on tmpfs hits kernel BUG at mm/shmem.c:680!  shmem_delete_inode needs
to truncate_inode_pages for itself now.  It's not immediately obvious since
many cases get covered by shmem_truncate's followup truncate_inode_pages:
maybe with thought we can just call it once, but right now fix the BUG.

Signed-off-by: Hugh Dickins <hugh@xxxxxxxxxxx>

--- 2.6.13-rc2-mm2/mm/shmem.c	2005-07-06 11:23:52.000000000 +0100
+++ linux/mm/shmem.c	2005-07-12 13:58:26.000000000 +0100
@@ -668,6 +668,7 @@ static void shmem_delete_inode(struct in
 	struct shmem_inode_info *info = SHMEM_I(inode);
 
 	if (inode->i_op->truncate == shmem_truncate) {
+		truncate_inode_pages(inode->i_mapping, 0);
 		shmem_unacct_size(info->flags, inode->i_size);
 		inode->i_size = 0;
 		shmem_truncate(inode);
-
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