btrfs-progs: tests: Add test case with valid orphan inode

[platform/upstream/btrfs-progs.git] / volumes.h

diff --git a/volumes.h b/volumes.h
index 6f164e7..5bcaae7 100644 (file)
--- a/volumes.h
+++ b/volumes.h
@@ -108,6 +108,36 @@ struct map_lookup {
        struct btrfs_bio_stripe stripes[];
 };
 
+struct btrfs_raid_attr {
+       int sub_stripes;        /* sub_stripes info for map */
+       int dev_stripes;        /* stripes per dev */
+       int devs_max;           /* max devs to use */
+       int devs_min;           /* min devs needed */
+       int tolerated_failures; /* max tolerated fail devs */
+       int devs_increment;     /* ndevs has to be a multiple of this */
+       int ncopies;            /* how many copies to data has */
+};
+
+extern const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES];
+
+static inline enum btrfs_raid_types btrfs_bg_flags_to_raid_index(u64 flags)
+{
+       if (flags & BTRFS_BLOCK_GROUP_RAID10)
+               return BTRFS_RAID_RAID10;
+       else if (flags & BTRFS_BLOCK_GROUP_RAID1)
+               return BTRFS_RAID_RAID1;
+       else if (flags & BTRFS_BLOCK_GROUP_DUP)
+               return BTRFS_RAID_DUP;
+       else if (flags & BTRFS_BLOCK_GROUP_RAID0)
+               return BTRFS_RAID_RAID0;
+       else if (flags & BTRFS_BLOCK_GROUP_RAID5)
+               return BTRFS_RAID_RAID5;
+       else if (flags & BTRFS_BLOCK_GROUP_RAID6)
+               return BTRFS_RAID_RAID6;
+
+       return BTRFS_RAID_SINGLE; /* BTRFS_BLOCK_GROUP_SINGLE */
+}
+
 #define btrfs_multi_bio_size(n) (sizeof(struct btrfs_multi_bio) + \
                            (sizeof(struct btrfs_bio_stripe) * (n)))
 #define btrfs_map_lookup_size(n) (sizeof(struct map_lookup) + \
@@ -179,6 +209,28 @@ static inline int check_crossing_stripes(struct btrfs_fs_info *fs_info,
                (bg_offset + len - 1) / BTRFS_STRIPE_LEN);
 }
 
+static inline u64 calc_stripe_length(u64 type, u64 length, int num_stripes)
+{
+       u64 stripe_size;
+
+       if (type & BTRFS_BLOCK_GROUP_RAID0) {
+               stripe_size = length;
+               stripe_size /= num_stripes;
+       } else if (type & BTRFS_BLOCK_GROUP_RAID10) {
+               stripe_size = length * 2;
+               stripe_size /= num_stripes;
+       } else if (type & BTRFS_BLOCK_GROUP_RAID5) {
+               stripe_size = length;
+               stripe_size /= (num_stripes - 1);
+       } else if (type & BTRFS_BLOCK_GROUP_RAID6) {
+               stripe_size = length;
+               stripe_size /= (num_stripes - 2);
+       } else {
+               stripe_size = length;
+       }
+       return stripe_size;
+}
+
 int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
                      u64 logical, u64 *length, u64 *type,
                      struct btrfs_multi_bio **multi_ret, int mirror_num,
@@ -204,24 +256,20 @@ static inline int btrfs_next_bg_system(struct btrfs_fs_info *fs_info,
 int btrfs_rmap_block(struct btrfs_fs_info *fs_info,
                     u64 chunk_start, u64 physical, u64 devid,
                     u64 **logical, int *naddrs, int *stripe_len);
-int btrfs_read_sys_array(struct btrfs_root *root);
-int btrfs_read_chunk_tree(struct btrfs_root *root);
+int btrfs_read_sys_array(struct btrfs_fs_info *fs_info);
+int btrfs_read_chunk_tree(struct btrfs_fs_info *fs_info);
 int btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
-                     struct btrfs_root *extent_root, u64 *start,
+                     struct btrfs_fs_info *fs_info, u64 *start,
                      u64 *num_bytes, u64 type);
 int btrfs_alloc_data_chunk(struct btrfs_trans_handle *trans,
-                          struct btrfs_root *extent_root, u64 *start,
+                          struct btrfs_fs_info *fs_info, u64 *start,
                           u64 num_bytes, u64 type, int convert);
-int btrfs_read_super_device(struct btrfs_root *root, struct extent_buffer *buf);
-int btrfs_add_device(struct btrfs_trans_handle *trans,
-                    struct btrfs_root *root,
-                    struct btrfs_device *device);
 int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
                       int flags);
 int btrfs_close_devices(struct btrfs_fs_devices *fs_devices);
 void btrfs_close_all_devices(void);
 int btrfs_add_device(struct btrfs_trans_handle *trans,
-                    struct btrfs_root *root,
+                    struct btrfs_fs_info *fs_info,
                     struct btrfs_device *device);
 int btrfs_update_device(struct btrfs_trans_handle *trans,
                        struct btrfs_device *device);
@@ -230,23 +278,27 @@ int btrfs_scan_one_device(int fd, const char *path,
                          u64 *total_devs, u64 super_offset, unsigned sbflags);
 int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len);
 struct list_head *btrfs_scanned_uuids(void);
-int btrfs_add_system_chunk(struct btrfs_root *root, struct btrfs_key *key,
+int btrfs_add_system_chunk(struct btrfs_fs_info *fs_info, struct btrfs_key *key,
                           struct btrfs_chunk *chunk, int item_size);
-int btrfs_chunk_readonly(struct btrfs_root *root, u64 chunk_offset);
+int btrfs_chunk_readonly(struct btrfs_fs_info *fs_info, u64 chunk_offset);
 struct btrfs_device *
 btrfs_find_device_by_devid(struct btrfs_fs_devices *fs_devices,
                           u64 devid, int instance);
-struct btrfs_device *btrfs_find_device(struct btrfs_root *root, u64 devid,
+struct btrfs_device *btrfs_find_device(struct btrfs_fs_info *fs_info, u64 devid,
                                       u8 *uuid, u8 *fsid);
 int write_raid56_with_parity(struct btrfs_fs_info *info,
                             struct extent_buffer *eb,
                             struct btrfs_multi_bio *multi,
                             u64 stripe_len, u64 *raid_map);
-int btrfs_check_chunk_valid(struct btrfs_root *root,
+int btrfs_check_chunk_valid(struct btrfs_fs_info *fs_info,
                            struct extent_buffer *leaf,
                            struct btrfs_chunk *chunk,
                            int slot, u64 logical);
 u64 btrfs_stripe_length(struct btrfs_fs_info *fs_info,
                        struct extent_buffer *leaf,
                        struct btrfs_chunk *chunk);
+int btrfs_fix_device_size(struct btrfs_fs_info *fs_info,
+                         struct btrfs_device *device);
+int btrfs_fix_super_size(struct btrfs_fs_info *fs_info);
+int btrfs_fix_device_and_super_size(struct btrfs_fs_info *fs_info);
 #endif