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Diffstat (limited to 'fs/btrfs/volumes.h')
-rw-r--r--fs/btrfs/volumes.h57
1 files changed, 8 insertions, 49 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 1939ebde63df..0ac90f8d85bd 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -340,14 +340,14 @@ struct btrfs_raid_attr {
};
extern const struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES];
-
+extern const int btrfs_raid_mindev_error[BTRFS_NR_RAID_TYPES];
extern const u64 btrfs_raid_group[BTRFS_NR_RAID_TYPES];
struct map_lookup {
u64 type;
int io_align;
int io_width;
- int stripe_len;
+ u64 stripe_len;
int sector_size;
int num_stripes;
int sub_stripes;
@@ -357,52 +357,6 @@ struct map_lookup {
#define map_lookup_size(n) (sizeof(struct map_lookup) + \
(sizeof(struct btrfs_bio_stripe) * (n)))
-/*
- * Restriper's general type filter
- */
-#define BTRFS_BALANCE_DATA (1ULL << 0)
-#define BTRFS_BALANCE_SYSTEM (1ULL << 1)
-#define BTRFS_BALANCE_METADATA (1ULL << 2)
-
-#define BTRFS_BALANCE_TYPE_MASK (BTRFS_BALANCE_DATA | \
- BTRFS_BALANCE_SYSTEM | \
- BTRFS_BALANCE_METADATA)
-
-#define BTRFS_BALANCE_FORCE (1ULL << 3)
-#define BTRFS_BALANCE_RESUME (1ULL << 4)
-
-/*
- * Balance filters
- */
-#define BTRFS_BALANCE_ARGS_PROFILES (1ULL << 0)
-#define BTRFS_BALANCE_ARGS_USAGE (1ULL << 1)
-#define BTRFS_BALANCE_ARGS_DEVID (1ULL << 2)
-#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 | \
- BTRFS_BALANCE_ARGS_USAGE | \
- BTRFS_BALANCE_ARGS_DEVID | \
- BTRFS_BALANCE_ARGS_DRANGE | \
- BTRFS_BALANCE_ARGS_VRANGE | \
- 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
- * it already has the target profile (even though it may be
- * half-filled).
- */
-#define BTRFS_BALANCE_ARGS_CONVERT (1ULL << 8)
-#define BTRFS_BALANCE_ARGS_SOFT (1ULL << 9)
-
struct btrfs_balance_args;
struct btrfs_balance_progress;
struct btrfs_balance_control {
@@ -445,13 +399,18 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder,
struct btrfs_fs_devices **fs_devices_ret);
int btrfs_close_devices(struct btrfs_fs_devices *fs_devices);
void btrfs_close_extra_devices(struct btrfs_fs_devices *fs_devices, int step);
+void btrfs_assign_next_active_device(struct btrfs_fs_info *fs_info,
+ struct btrfs_device *device, struct btrfs_device *this_dev);
int btrfs_find_device_missing_or_by_path(struct btrfs_root *root,
char *device_path,
struct btrfs_device **device);
+int btrfs_find_device_by_devspec(struct btrfs_root *root, u64 devid,
+ char *devpath,
+ struct btrfs_device **device);
struct btrfs_device *btrfs_alloc_device(struct btrfs_fs_info *fs_info,
const u64 *devid,
const u8 *uuid);
-int btrfs_rm_device(struct btrfs_root *root, char *device_path);
+int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid);
void btrfs_cleanup_fs_uuids(void);
int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len);
int btrfs_grow_device(struct btrfs_trans_handle *trans,