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authorChris Mason <chris.mason@oracle.com>2008-03-24 22:02:07 +0300
committerChris Mason <chris.mason@oracle.com>2008-09-25 19:04:01 +0400
commit0d81ba5dbedef0c3970d6aa318aa84920943e6e3 (patch)
tree2c5256b4a4e4d544add986e654db56e660f4fb12 /fs/btrfs/volumes.h
parente085def2c4cc2d7c0c316376b4b66b86b10e3a4b (diff)
downloadlinux-0d81ba5dbedef0c3970d6aa318aa84920943e6e3.tar.xz
Btrfs: Move device information into the super block so it can be scanned
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/volumes.h')
-rw-r--r--fs/btrfs/volumes.h13
1 files changed, 1 insertions, 12 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 4ab9891878a8..77fa6efd79cf 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -21,7 +21,6 @@
struct btrfs_device {
struct list_head dev_list;
struct btrfs_root *dev_root;
- struct btrfs_key dev_key;
struct block_device *bdev;
@@ -43,22 +42,11 @@ struct btrfs_device {
/* minimal io size for this device */
u32 sector_size;
- /* the kernel device number */
- u64 rdev;
-
/* type and info about this device */
u64 type;
- /* partition number, 0 for whole dev */
- int partition;
-
- /* length of the name data at the end of the item */
- int name_len;
-
/* physical drive uuid (or lvm uuid) */
u8 uuid[BTRFS_DEV_UUID_SIZE];
-
- char *name;
};
int btrfs_alloc_dev_extent(struct btrfs_trans_handle *trans,
@@ -75,4 +63,5 @@ int btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
void btrfs_mapping_init(struct btrfs_mapping_tree *tree);
void btrfs_mapping_tree_free(struct btrfs_mapping_tree *tree);
int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio);
+int btrfs_read_super_device(struct btrfs_root *root, struct extent_buffer *buf);
#endif