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authorStefan Behrens <sbehrens@giantdisaster.de>2012-11-05 17:33:06 +0100
committerJosef Bacik <jbacik@fusionio.com>2012-12-12 17:15:41 -0500
commite93c89c1aaaaaec3487c4c18dd02360371790722 (patch)
tree359c310c736d0db5cfd724c628fdb9f2f680a3d3 /fs/btrfs/ctree.h
parentff023aac31198e88507d626825379b28ea481d4d (diff)
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Btrfs: add new sources for device replace code
This adds a new file to the sources together with the header file and the changes to ioctl.h and ctree.h that are required by the new C source file. Additionally, 4 new functions are added to volume.c that deal with device creation and destruction. Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r--fs/btrfs/ctree.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index ded7caa0d304..45e7f752b64a 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -142,6 +142,8 @@ struct btrfs_ordered_sum;
#define BTRFS_EMPTY_SUBVOL_DIR_OBJECTID 2
+#define BTRFS_DEV_REPLACE_DEVID 0
+
/*
* the max metadata block size. This limit is somewhat artificial,
* but the memmove costs go through the roof for larger blocks.