Btrfs: fix enospc problems with delalloc

[pandora-kernel.git] / fs / btrfs / file.c

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index bd6bbb8..6e56a46 100644 (file)
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1239,9 +1239,11 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
                 * managed to copy.
                 */
                if (num_pages > dirty_pages) {
-                       if (copied > 0)
-                               atomic_inc(
-                                       &BTRFS_I(inode)->outstanding_extents);
+                       if (copied > 0) {
+                               spin_lock(&BTRFS_I(inode)->lock);
+                               BTRFS_I(inode)->outstanding_extents++;
+                               spin_unlock(&BTRFS_I(inode)->lock);
+                       }
                        btrfs_delalloc_release_space(inode,
                                        (num_pages - dirty_pages) <<
                                        PAGE_CACHE_SHIFT);