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| author | Yan Zheng <zheng.yan@oracle.com> | 2008-12-12 18:03:26 +0300 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-12-12 18:03:26 +0300 |
| commit | e4404d6e8da678d852b7f767f665f8edf76c9e9f (patch) | |
| tree | af6b52e5251d8e939f91e1feab760c1f06021410 /fs/btrfs/volumes.h | |
| parent | d2fb3437e4d8d12c73c587615ad187d5288547ec (diff) | |
| download | linux-e4404d6e8da678d852b7f767f665f8edf76c9e9f.tar.xz | |
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.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index bdebe83c3195..86c44e9ae110 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); |