diff options
author | Jeff Garzik <jeff@garzik.org> | 2006-08-07 06:38:41 -0400 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2006-08-07 06:38:41 -0400 |
commit | 242898be7a1921f646ca529ddc26d7337c69922f (patch) | |
tree | 674adf64ca6254318dab5bcd428ebe8ac73957ff /fs/ufs/util.c | |
parent | 6bbad18a8b18228fa65d73547dfd5efad1515ef8 (diff) | |
parent | 9f737633e6ee54fc174282d49b2559bd2208391d (diff) |
Merge branch 'master' into upstream
Diffstat (limited to 'fs/ufs/util.c')
-rw-r--r-- | fs/ufs/util.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/ufs/util.c b/fs/ufs/util.c index 337cf2c46d1..22f820a9b15 100644 --- a/fs/ufs/util.c +++ b/fs/ufs/util.c @@ -251,12 +251,12 @@ struct page *ufs_get_locked_page(struct address_space *mapping, { struct page *page; -try_again: page = find_lock_page(mapping, index); if (!page) { 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 +266,14 @@ try_again: lock_page(page); + if (unlikely(page->mapping == NULL)) { + /* Truncate got there first */ + unlock_page(page); + page_cache_release(page); + page = NULL; + goto out; + } + 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; } |