From: Josef Bacik <josef@redhat.com>
Date: Wed, 23 May 2012 20:10:14 +0000 (-0400)
Subject: Btrfs: fall back to non-inline if we don't have enough space
X-Git-Tag: v3.5-rc1~17^2~1^2~11
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2adcac1a7331d93a17285804819caa96070b231f;p=profile%2Fcommon%2Fkernel-common.git

Btrfs: fall back to non-inline if we don't have enough space

If cow_file_range_inline fails with ENOSPC we abort the transaction which
isn't very nice.  This really shouldn't be happening anyways but there's no
sense in making it a horrible error when we can easily just go allocate
normal data space for this stuff.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
---

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0298928..92df0a5 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -257,10 +257,13 @@ static noinline int cow_file_range_inline(struct btrfs_trans_handle *trans,
 	ret = insert_inline_extent(trans, root, inode, start,
 				   inline_len, compressed_size,
 				   compress_type, compressed_pages);
-	if (ret) {
+	if (ret && ret != -ENOSPC) {
 		btrfs_abort_transaction(trans, root, ret);
 		return ret;
+	} else if (ret == -ENOSPC) {
+		return 1;
 	}
+
 	btrfs_delalloc_release_metadata(inode, end + 1 - start);
 	btrfs_drop_extent_cache(inode, start, aligned_end - 1, 0);
 	return 0;