From 560f7d75457f86a43970aa413e334e394082dce4 Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Thu, 8 Sep 2011 10:22:01 +0800 Subject: [PATCH] Btrfs: remove BUG_ON() in compress_file_range() It's not a big deal if we fail to allocate the array, and instead of panic we can just give up compressing. Signed-off-by: Li Zefan --- fs/btrfs/inode.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index f12747c..81d4f68 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -393,7 +393,10 @@ again: (BTRFS_I(inode)->flags & BTRFS_INODE_COMPRESS))) { WARN_ON(pages); pages = kzalloc(sizeof(struct page *) * nr_pages, GFP_NOFS); - BUG_ON(!pages); + if (!pages) { + /* just bail out to the uncompressed code */ + goto cont; + } if (BTRFS_I(inode)->force_compress) compress_type = BTRFS_I(inode)->force_compress; @@ -424,6 +427,7 @@ again: will_compress = 1; } } +cont: if (start == 0) { trans = btrfs_join_transaction(root); BUG_ON(IS_ERR(trans)); -- 2.7.4