From 39805625eed02acf28613eb638795df3b20801dd Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Thu, 12 Mar 2009 14:31:38 -0700
Subject: [PATCH] --- yaml --- r: 132231 b: refs/heads/master c:
 7ef0d7377cb287e08f3ae94cebc919448e1f5dff h: refs/heads/master i:   132229:
 6e369f6e2366b1c11745aed6434fab2cbf38d9b5   132227:
 16aada747c60b24802e9a89e1679ab7f8b1913b8   132223:
 e633ec4175cef2481c802ee96df6ae2b8be4f771 v: v3

---
 [refs]                  | 2 +-
 trunk/fs/fs-writeback.c | 9 ++++++++-
 trunk/fs/inode.c        | 7 +++++++
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index cd2a5b6b8151..596dcbdc0f6b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f272b7bc447553410dde691aa31fc531adf9c175
+refs/heads/master: 7ef0d7377cb287e08f3ae94cebc919448e1f5dff
diff --git a/trunk/fs/fs-writeback.c b/trunk/fs/fs-writeback.c
index e5eaa62fd17f..e3fe9918faaf 100644
--- a/trunk/fs/fs-writeback.c
+++ b/trunk/fs/fs-writeback.c
@@ -274,6 +274,7 @@ __sync_single_inode(struct inode *inode, struct writeback_control *wbc)
 	int ret;
 
 	BUG_ON(inode->i_state & I_SYNC);
+	WARN_ON(inode->i_state & I_NEW);
 
 	/* Set I_SYNC, reset I_DIRTY */
 	dirty = inode->i_state & I_DIRTY;
@@ -298,6 +299,7 @@ __sync_single_inode(struct inode *inode, struct writeback_control *wbc)
 	}
 
 	spin_lock(&inode_lock);
+	WARN_ON(inode->i_state & I_NEW);
 	inode->i_state &= ~I_SYNC;
 	if (!(inode->i_state & I_FREEING)) {
 		if (!(inode->i_state & I_DIRTY) &&
@@ -470,6 +472,11 @@ void generic_sync_sb_inodes(struct super_block *sb,
 			break;
 		}
 
+		if (inode->i_state & I_NEW) {
+			requeue_io(inode);
+			continue;
+		}
+
 		if (wbc->nonblocking && bdi_write_congested(bdi)) {
 			wbc->encountered_congestion = 1;
 			if (!sb_is_blkdev_sb(sb))
@@ -531,7 +538,7 @@ void generic_sync_sb_inodes(struct super_block *sb,
 		list_for_each_entry(inode, &sb->s_inodes, i_sb_list) {
 			struct address_space *mapping;
 
-			if (inode->i_state & (I_FREEING|I_WILL_FREE))
+			if (inode->i_state & (I_FREEING|I_WILL_FREE|I_NEW))
 				continue;
 			mapping = inode->i_mapping;
 			if (mapping->nrpages == 0)
diff --git a/trunk/fs/inode.c b/trunk/fs/inode.c
index 913ab2d9a5d1..826fb0b9d1c3 100644
--- a/trunk/fs/inode.c
+++ b/trunk/fs/inode.c
@@ -359,6 +359,7 @@ static int invalidate_list(struct list_head *head, struct list_head *dispose)
 		invalidate_inode_buffers(inode);
 		if (!atomic_read(&inode->i_count)) {
 			list_move(&inode->i_list, dispose);
+			WARN_ON(inode->i_state & I_NEW);
 			inode->i_state |= I_FREEING;
 			count++;
 			continue;
@@ -460,6 +461,7 @@ static void prune_icache(int nr_to_scan)
 				continue;
 		}
 		list_move(&inode->i_list, &freeable);
+		WARN_ON(inode->i_state & I_NEW);
 		inode->i_state |= I_FREEING;
 		nr_pruned++;
 	}
@@ -656,6 +658,7 @@ void unlock_new_inode(struct inode *inode)
 	 * just created it (so there can be no old holders
 	 * that haven't tested I_LOCK).
 	 */
+	WARN_ON((inode->i_state & (I_LOCK|I_NEW)) != (I_LOCK|I_NEW));
 	inode->i_state &= ~(I_LOCK|I_NEW);
 	wake_up_inode(inode);
 }
@@ -1145,6 +1148,7 @@ void generic_delete_inode(struct inode *inode)
 
 	list_del_init(&inode->i_list);
 	list_del_init(&inode->i_sb_list);
+	WARN_ON(inode->i_state & I_NEW);
 	inode->i_state |= I_FREEING;
 	inodes_stat.nr_inodes--;
 	spin_unlock(&inode_lock);
@@ -1186,16 +1190,19 @@ static void generic_forget_inode(struct inode *inode)
 			spin_unlock(&inode_lock);
 			return;
 		}
+		WARN_ON(inode->i_state & I_NEW);
 		inode->i_state |= I_WILL_FREE;
 		spin_unlock(&inode_lock);
 		write_inode_now(inode, 1);
 		spin_lock(&inode_lock);
+		WARN_ON(inode->i_state & I_NEW);
 		inode->i_state &= ~I_WILL_FREE;
 		inodes_stat.nr_unused--;
 		hlist_del_init(&inode->i_hash);
 	}
 	list_del_init(&inode->i_list);
 	list_del_init(&inode->i_sb_list);
+	WARN_ON(inode->i_state & I_NEW);
 	inode->i_state |= I_FREEING;
 	inodes_stat.nr_inodes--;
 	spin_unlock(&inode_lock);