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Diffstat (limited to 'fs/btrfs/volumes.h')
-rw-r--r--fs/btrfs/volumes.h18
1 files changed, 15 insertions, 3 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 595279a8b..d5c84f6b1 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -256,7 +256,7 @@ struct btrfs_fs_devices {
struct btrfs_fs_info *fs_info;
/* sysfs kobjects */
- struct kobject super_kobj;
+ struct kobject fsid_kobj;
struct kobject *device_dir_kobj;
struct completion kobj_unregister;
};
@@ -334,10 +334,15 @@ struct btrfs_raid_attr {
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];
+
+extern const u64 btrfs_raid_group[BTRFS_NR_RAID_TYPES];
+
struct map_lookup {
u64 type;
int io_align;
@@ -375,6 +380,9 @@ struct map_lookup {
#define BTRFS_BALANCE_ARGS_DRANGE (1ULL << 3)
#define BTRFS_BALANCE_ARGS_VRANGE (1ULL << 4)
#define BTRFS_BALANCE_ARGS_LIMIT (1ULL << 5)
+#define BTRFS_BALANCE_ARGS_LIMIT_RANGE (1ULL << 6)
+#define BTRFS_BALANCE_ARGS_STRIPES_RANGE (1ULL << 7)
+#define BTRFS_BALANCE_ARGS_USAGE_RANGE (1ULL << 10)
#define BTRFS_BALANCE_ARGS_MASK \
(BTRFS_BALANCE_ARGS_PROFILES | \
@@ -382,7 +390,10 @@ struct map_lookup {
BTRFS_BALANCE_ARGS_DEVID | \
BTRFS_BALANCE_ARGS_DRANGE | \
BTRFS_BALANCE_ARGS_VRANGE | \
- BTRFS_BALANCE_ARGS_LIMIT)
+ BTRFS_BALANCE_ARGS_LIMIT | \
+ BTRFS_BALANCE_ARGS_LIMIT_RANGE | \
+ BTRFS_BALANCE_ARGS_STRIPES_RANGE | \
+ BTRFS_BALANCE_ARGS_USAGE_RANGE)
/*
* Profile changing flags. When SOFT is set we won't relocate chunk if
@@ -482,7 +493,7 @@ void btrfs_destroy_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
struct btrfs_device *tgtdev);
void btrfs_init_dev_replace_tgtdev_for_resume(struct btrfs_fs_info *fs_info,
struct btrfs_device *tgtdev);
-int btrfs_scratch_superblock(struct btrfs_device *device);
+void btrfs_scratch_superblocks(struct block_device *bdev, char *device_path);
int btrfs_is_parity_mirror(struct btrfs_mapping_tree *map_tree,
u64 logical, u64 len, int mirror_num);
unsigned long btrfs_full_stripe_len(struct btrfs_root *root,
@@ -555,5 +566,6 @@ static inline void unlock_chunks(struct btrfs_root *root)
struct list_head *btrfs_get_fs_uuids(void);
void btrfs_set_fs_info_ptr(struct btrfs_fs_info *fs_info);
void btrfs_reset_fs_info_ptr(struct btrfs_fs_info *fs_info);
+void btrfs_close_one_device(struct btrfs_device *device);
#endif