diff options
| author | John W. Linville <linville@tuxdriver.com> | 2006-08-14 15:33:54 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2006-08-14 15:33:54 -0400 |
| commit | e9ffb3d7ec94083a44a8721681391beca2ffd68c (patch) | |
| tree | 6768ab487b3f44c2a4995ee61307e47760ca9b88 /fs/ufs | |
| parent | 8b9411014e6f18a883c18b38f41338dbd53fddea (diff) | |
| parent | e9fa4f7bd291c29a785666e2fa5a9cf3241ee6c3 (diff) | |
Merge branch 'from-linus' into upstream
Diffstat (limited to 'fs/ufs')
| -rw-r--r-- | fs/ufs/balloc.c | 2 | ||||
| -rw-r--r-- | fs/ufs/util.c | 17 |
2 files changed, 10 insertions, 9 deletions
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c index b01804baa12..b8238147577 100644 --- a/fs/ufs/balloc.c +++ b/fs/ufs/balloc.c @@ -248,7 +248,7 @@ static void ufs_change_blocknr(struct inode *inode, unsigned int baseblk, if (likely(cur_index != index)) { page = ufs_get_locked_page(mapping, index); - if (IS_ERR(page)) + if (!page || IS_ERR(page)) /* it was truncated or EIO */ continue; } else page = locked_page; 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; } |