From 99e8c3e7f937726800d2485671f0b3c153f6c328 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Sat, 25 Mar 2006 03:07:57 -0800
Subject: [PATCH] --- yaml --- r: 23584 b: refs/heads/master c:
 7e53cac41da9ebb9be774220c1b2615182667c9d h: refs/heads/master v: v3

---
 [refs]           |  2 +-
 trunk/fs/namei.c | 16 ++++++++++++++--
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index b06f2e572bb8..095215fc0a47 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 341546f5ad6fce584531f744853a5807a140f2a9
+refs/heads/master: 7e53cac41da9ebb9be774220c1b2615182667c9d
diff --git a/trunk/fs/namei.c b/trunk/fs/namei.c
index 1baf1b06fe47..712dfc77793b 100644
--- a/trunk/fs/namei.c
+++ b/trunk/fs/namei.c
@@ -2627,16 +2627,27 @@ int __page_symlink(struct inode *inode, const char *symname, int len,
 	int err = -ENOMEM;
 	char *kaddr;
 
+retry:
 	page = find_or_create_page(mapping, 0, gfp_mask);
 	if (!page)
 		goto fail;
 	err = mapping->a_ops->prepare_write(NULL, page, 0, len-1);
+	if (err == AOP_TRUNCATED_PAGE) {
+		page_cache_release(page);
+		goto retry;
+	}
 	if (err)
 		goto fail_map;
 	kaddr = kmap_atomic(page, KM_USER0);
 	memcpy(kaddr, symname, len-1);
 	kunmap_atomic(kaddr, KM_USER0);
-	mapping->a_ops->commit_write(NULL, page, 0, len-1);
+	err = mapping->a_ops->commit_write(NULL, page, 0, len-1);
+	if (err == AOP_TRUNCATED_PAGE) {
+		page_cache_release(page);
+		goto retry;
+	}
+	if (err)
+		goto fail_map;
 	/*
 	 * Notice that we are _not_ going to block here - end of page is
 	 * unmapped, so this will only try to map the rest of page, see
@@ -2646,7 +2657,8 @@ int __page_symlink(struct inode *inode, const char *symname, int len,
 	 */
 	if (!PageUptodate(page)) {
 		err = mapping->a_ops->readpage(NULL, page);
-		wait_on_page_locked(page);
+		if (err != AOP_TRUNCATED_PAGE)
+			wait_on_page_locked(page);
 	} else {
 		unlock_page(page);
 	}