path: root/disk-io.h
diff options
authorJosef Bacik <>2013-10-23 16:24:03 -0400
committerChris Mason <>2013-11-07 13:29:30 -0500
commit337f86fea1d06e189f3cf234adba2567a07678bd (patch)
treec4fe5f392480000ffbf2419d2ba53568153e304a /disk-io.h
parent4fc17596aaa2b03ee38c467585465923d62b1510 (diff)
Btrfs-progs: add -b to btrfsck to look at backup roots
In some cases the tree root is so hosed we can't get anything useful out of it. So add the -b option to btrfsck to make us look for the most recent backup tree root to use for repair. Then we can hopefully get ourselves into a working state. Thanks, Signed-off-by: Josef Bacik <> Signed-off-by: Chris Mason <>
Diffstat (limited to 'disk-io.h')
1 files changed, 3 insertions, 2 deletions
diff --git a/disk-io.h b/disk-io.h
index 6f2d4f41..b0292db2 100644
--- a/disk-io.h
+++ b/disk-io.h
@@ -53,7 +53,7 @@ void btrfs_free_fs_info(struct btrfs_fs_info *fs_info);
struct btrfs_fs_info *btrfs_new_fs_info(int writable, u64 sb_bytenr);
int btrfs_check_fs_compatibility(struct btrfs_super_block *sb, int writable);
int btrfs_setup_all_roots(struct btrfs_fs_info *fs_info,
- u64 root_tree_bytenr, int partial);
+ u64 root_tree_bytenr, int partial, int backup_root);
void btrfs_release_all_roots(struct btrfs_fs_info *fs_info);
void btrfs_cleanup_all_caches(struct btrfs_fs_info *fs_info);
int btrfs_scan_fs_devices(int fd, const char *path,
@@ -69,7 +69,8 @@ struct btrfs_fs_info *open_ctree_fs_info_restore(const char *filename,
int writes, int partial);
struct btrfs_fs_info *open_ctree_fs_info(const char *filename,
u64 sb_bytenr, u64 root_tree_bytenr,
- int writes, int partial);
+ int writes, int partial,
+ int backup_root);
struct btrfs_root *open_ctree_with_broken_super(const char *filename,
u64 sb_bytenr, int writes);
int close_ctree(struct btrfs_root *root);