tree a315c892f615545fd0ce72f7e0d660f5772fb4b2
parent bb4f397a1a7f2330cb173233599aa159f5780f58
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> 1201582706 -0500
committer Theodore Ts'o <tytso@mit.edu> 1201582706 -0500

Add buffer head related helper functions

Add buffer head related helper function bh_uptodate_or_lock and
bh_submit_read which can be used by file system

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>