tree e48b2d0fac8f96456286a503aeeb952620234961
parent 55fa6091d83160ca772fc37cebae45d42695a708
author Dave Chinner <dchinner@redhat.com> 1300793021 +1100
committer Al Viro <viro@zeniv.linux.org.uk> 1301015871 -0400

fs: move i_wb_list out from under inode_lock

Protect the inode writeback list with a new global lock
inode_wb_list_lock and use it to protect the list manipulations and
traversals. This lock replaces the inode_lock as the inodes on the
list can be validity checked while holding the inode->i_lock and
hence the inode_lock is no longer needed to protect the list.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>