btrfs: add define for oldest generation
authorAnand Jain <anand.jain@oracle.com>
Wed, 7 Mar 2018 09:29:18 +0000 (17:29 +0800)
committerDavid Sterba <dsterba@suse.com>
Fri, 30 Mar 2018 23:26:50 +0000 (01:26 +0200)
commit7c829b722dffb22aaf9e3ea1b1d88dac49bd0768
tree1dba1902eb1013a71c51ae2a4bb594b55729be4c
parent051c98eb11e6fd64a8306851c34ee485b5817955
btrfs: add define for oldest generation

Some functions can filter metadata by the generation. Add a define that
will annotate such arguments.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ update changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/ctree.h
fs/btrfs/ioctl.c
fs/btrfs/tree-defrag.c
fs/btrfs/uuid-tree.c
fs/btrfs/volumes.c