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-rw-r--r--fs/ufs/util.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/fs/ufs/util.c b/fs/ufs/util.c
index 337cf2c46d10..005d6815adf5 100644
--- a/fs/ufs/util.c
+++ b/fs/ufs/util.c
@@ -257,6 +257,7 @@ try_again:
page = read_cache_page(mapping, index,
(filler_t*)mapping->a_ops->readpage,
NULL);
+
if (IS_ERR(page)) {
printk(KERN_ERR "ufs_change_blocknr: "
"read_cache_page error: ino %lu, index: %lu\n",
@@ -266,6 +267,13 @@ try_again:
lock_page(page);
+ if (unlikely(page->mapping == NULL)) {
+ /* Truncate got there first */
+ unlock_page(page);
+ page_cache_release(page);
+ goto try_again;
+ }
+
if (!PageUptodate(page) || PageError(page)) {
unlock_page(page);
page_cache_release(page);
@@ -275,15 +283,8 @@ try_again:
mapping->host->i_ino, index);
page = ERR_PTR(-EIO);
- goto out;
}
}
-
- if (unlikely(!page->mapping || !page_has_buffers(page))) {
- unlock_page(page);
- page_cache_release(page);
- goto try_again;/*we really need these buffers*/
- }
out:
return page;
}