tree 255989fe69ebfb2b031dc7cf6dbe975df67c711a
parent b713a5ec55bf73c833f9883cdd761b20ee61a1ab
author Theodore Ts'o <tytso@mit.edu> 1236211750 -0500
committer Theodore Ts'o <tytso@mit.edu> 1236211750 -0500

ext4: Use atomic_t's in struct flex_groups

Reduce pressure on the sb_bgl_lock family of locks by using atomic_t's
to track the number of free blocks and inodes in each flex_group.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>