From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yan, Zheng" Subject: [PATCH 11/12] Btrfs: Fix btrfs_drop_extent_cache for skip pinned case Date: Thu, 12 Nov 2009 17:36:44 +0800 Message-ID: <4AFBD72C.6010407@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 To: linux-btrfs@vger.kernel.org, chris Mason Return-path: List-ID: The check for skip pinned case is wrong, it may breaks the while loop immaturely. Signed-off-by: Yan Zheng --- fs/btrfs/file.c | 10 +++------- 1 files changed, 3 insertions(+), 7 deletions(-) diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index a4a6d2c..a78fb9b 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -179,18 +179,14 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end, } flags = em->flags; if (skip_pinned && test_bit(EXTENT_FLAG_PINNED, &em->flags)) { - if (em->start <= start && - (!testend || em->start + em->len >= start + len)) { + if (testend && em->start + em->len >= start + len) { free_extent_map(em); write_unlock(&em_tree->lock); break; } - if (start < em->start) { - len = em->start - start; - } else { + start = em->start + em->len; + if (testend) len = start + len - (em->start + em->len); - start = em->start + em->len; - } free_extent_map(em); write_unlock(&em_tree->lock); continue; -- 1.6.2.5