Btrfs: record first logical byte in memory
authorLiu Bo <bo.li.liu@oracle.com>
Thu, 27 Dec 2012 09:01:23 +0000 (09:01 +0000)
committerJosef Bacik <jbacik@fusionio.com>
Wed, 20 Feb 2013 14:37:18 +0000 (09:37 -0500)
commita1897fddd28daf6b23d05a30dc2a18836f77f8e3
tree801697e69b202721e861ab33d78d7f3bcb6235c5
parent39f9d028c9906cc7b625df84442205f6bcc84477
Btrfs: record first logical byte in memory

This'd save us a rbtree search which may become expensive in large filesystem.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
fs/btrfs/ctree.h
fs/btrfs/disk-io.c
fs/btrfs/extent-tree.c