btrfs: state information for readahead
authorArne Jansen <sensille@gmx.net>
Mon, 23 May 2011 12:30:00 +0000 (14:30 +0200)
committerArne Jansen <sensille@gmx.net>
Sun, 2 Oct 2011 06:48:30 +0000 (08:48 +0200)
commit90519d66abbccc251d14719ac76f191f70826e40
tree93cad519db9f4f0c97abd89d405ea1e0fec306a7
parentab0fff03055d2d1b01a7581badeba18db9c4f55c
btrfs: state information for readahead

Add state information for readahead to btrfs_fs_info and btrfs_device

Changes v2:
 - don't wait in radix_trees
 - add own set of workers for readahead

Reviewed-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Arne Jansen <sensille@gmx.net>
fs/btrfs/ctree.h
fs/btrfs/disk-io.c
fs/btrfs/volumes.c
fs/btrfs/volumes.h