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authorYan Zheng <zheng.yan@oracle.com>2008-12-12 10:03:26 -0500
committerChris Mason <chris.mason@oracle.com>2008-12-12 10:03:26 -0500
commite4404d6e8da678d852b7f767f665f8edf76c9e9f (patch)
treeaf6b52e5251d8e939f91e1feab760c1f06021410 /fs/btrfs/volumes.h
parentd2fb3437e4d8d12c73c587615ad187d5288547ec (diff)
Btrfs: shared seed device
This patch makes seed device possible to be shared by multiple mounted file systems. The sharing is achieved by cloning seed device's btrfs_fs_devices structure. Thanks you, Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Diffstat (limited to 'fs/btrfs/volumes.h')
-rw-r--r--fs/btrfs/volumes.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index bdebe83c319..86c44e9ae11 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -93,7 +93,6 @@ struct btrfs_fs_devices {
struct btrfs_fs_devices *seed;
int seeding;
- int sprouted;
int opened;
};
@@ -127,7 +126,7 @@ int btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw,
int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree,
u64 chunk_start, u64 physical, u64 devid,
u64 **logical, int *naddrs, int *stripe_len);
-int btrfs_read_sys_array(struct btrfs_root *root, u64 sb_bytenr);
+int btrfs_read_sys_array(struct btrfs_root *root);
int btrfs_read_chunk_tree(struct btrfs_root *root);
int btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
struct btrfs_root *extent_root, u64 type);