tree 90f049cfcebd10dde5b32446a4d5d7c3a243a0b1
parent 199c2a9c3d1389db7f7a211e64f6809d352ce5f6
author Miao Xie <miaox@cn.fujitsu.com> 1368604104 +0000
committer Josef Bacik <jbacik@fusionio.com> 1371223782 -0400

Btrfs: just flush the delalloc inodes in the source tree before snapshot creation

Before applying this patch, we need flush all the delalloc inodes in
the fs when we want to create a snapshot, it wastes time, and make
the transaction commit be blocked for a long time. It means some other
user operation would also be blocked for a long time.

This patch improves this problem, we just flush the delalloc inodes that
in the source trees before snapshot creation, so the transaction commit
will complete quickly.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>