Btrfs fix

Hi everyone,

Josef found a btrfs bug that can lead us to loop trying to fault in pages during btrfs_file_write. I've pushed the fix out to the btrfs git tree. Linus, please pull from the btrfs-3.0 branch:

git://github.com/chrismason/linux.git btrfs-3.0

Josef Bacik (1) commits (+16/-8):
Btrfs: force a page fault if we have a shorty copy on a page boundary

Total: (1) commits (+16/-8)

 fs/btrfs/file.c |   24 ++++++++++++++++--------
 1 files changed, 16 insertions(+), 8 deletions(-)