diff options
Diffstat (limited to 'fs/btrfs/volumes.h')
| -rw-r--r-- | fs/btrfs/volumes.h | 46 |
1 files changed, 15 insertions, 31 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 7f6aa1816409..f01552a0785e 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -18,10 +18,6 @@ extern struct mutex uuid_mutex; #define BTRFS_STRIPE_LEN SZ_64K struct buffer_head; -struct btrfs_pending_bios { - struct bio *head; - struct bio *tail; -}; struct btrfs_io_geometry { /* remaining bytes before crossing a stripe */ @@ -68,13 +64,6 @@ struct btrfs_device { u64 generation; - spinlock_t io_lock ____cacheline_aligned; - int running_pending; - /* regular prio bios */ - struct btrfs_pending_bios pending_bios; - /* sync bios */ - struct btrfs_pending_bios pending_sync_bios; - struct block_device *bdev; /* the mode sent to blkdev_get */ @@ -82,7 +71,6 @@ struct btrfs_device { unsigned long dev_state; blk_status_t last_flush_error; - int flush_bio_sent; #ifdef __BTRFS_NEED_DEVICE_DATA_ORDERED seqcount_t data_seqcount; @@ -132,8 +120,6 @@ struct btrfs_device { /* per-device scrub information */ struct scrub_ctx *scrub_ctx; - struct btrfs_work work; - /* readahead state */ atomic_t reada_in_flight; u64 reada_next; @@ -150,6 +136,10 @@ struct btrfs_device { atomic_t dev_stat_values[BTRFS_DEV_STAT_VALUES_MAX]; struct extent_io_tree alloc_state; + + struct completion kobj_unregister; + /* For sysfs/FSID/devinfo/devid/ */ + struct kobject devid_kobj; }; /* @@ -180,7 +170,7 @@ btrfs_device_set_##name(struct btrfs_device *dev, u64 size) \ write_seqcount_end(&dev->data_seqcount); \ preempt_enable(); \ } -#elif BITS_PER_LONG==32 && defined(CONFIG_PREEMPT) +#elif BITS_PER_LONG==32 && defined(CONFIG_PREEMPTION) #define BTRFS_DEVICE_GETSET_FUNCS(name) \ static inline u64 \ btrfs_device_get_##name(const struct btrfs_device *dev) \ @@ -255,19 +245,20 @@ struct btrfs_fs_devices { struct list_head alloc_list; struct btrfs_fs_devices *seed; - int seeding; + bool seeding; int opened; /* set when we find or add a device that doesn't have the * nonrot flag set */ - int rotating; + bool rotating; struct btrfs_fs_info *fs_info; /* sysfs kobjects */ struct kobject fsid_kobj; - struct kobject *device_dir_kobj; + struct kobject *devices_kobj; + struct kobject *devinfo_kobj; struct completion kobj_unregister; }; @@ -331,7 +322,6 @@ struct btrfs_bio { u64 map_type; /* get from map_lookup->type */ bio_end_io_t *end_io; struct bio *orig_bio; - unsigned long flags; void *private; atomic_t error; int max_errors; @@ -430,14 +420,12 @@ int btrfs_map_sblock(struct btrfs_fs_info *fs_info, enum btrfs_map_op op, struct btrfs_bio **bbio_ret); int btrfs_get_io_geometry(struct btrfs_fs_info *fs_info, enum btrfs_map_op op, u64 logical, u64 len, struct btrfs_io_geometry *io_geom); -int btrfs_rmap_block(struct btrfs_fs_info *fs_info, u64 chunk_start, - u64 physical, u64 **logical, int *naddrs, int *stripe_len); 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, u64 type); void btrfs_mapping_tree_free(struct extent_map_tree *tree); blk_status_t btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio, - int mirror_num, int async_submit); + int mirror_num); int btrfs_open_devices(struct btrfs_fs_devices *fs_devices, fmode_t flags, void *holder); struct btrfs_device *btrfs_scan_one_device(const char *path, @@ -475,8 +463,6 @@ int btrfs_cancel_balance(struct btrfs_fs_info *fs_info); int btrfs_create_uuid_tree(struct btrfs_fs_info *fs_info); int btrfs_check_uuid_tree(struct btrfs_fs_info *fs_info); int btrfs_chunk_readonly(struct btrfs_fs_info *fs_info, u64 chunk_offset); -int find_free_dev_extent_start(struct btrfs_device *device, u64 num_bytes, - u64 search_start, u64 *start, u64 *max_avail); int find_free_dev_extent(struct btrfs_device *device, u64 num_bytes, u64 *start, u64 *max_avail); void btrfs_dev_stat_inc_and_print(struct btrfs_device *dev, int index); @@ -550,12 +536,6 @@ static inline void btrfs_dev_stat_set(struct btrfs_device *dev, atomic_inc(&dev->dev_stats_ccnt); } -static inline void btrfs_dev_stat_reset(struct btrfs_device *dev, - int index) -{ - btrfs_dev_stat_set(dev, index, 0); -} - /* * Convert block group flags (BTRFS_BLOCK_GROUP_*) to btrfs_raid_types, which * can be used as index to access btrfs_raid_array[]. @@ -566,6 +546,10 @@ static inline enum btrfs_raid_types btrfs_bg_flags_to_raid_index(u64 flags) return BTRFS_RAID_RAID10; else if (flags & BTRFS_BLOCK_GROUP_RAID1) return BTRFS_RAID_RAID1; + else if (flags & BTRFS_BLOCK_GROUP_RAID1C3) + return BTRFS_RAID_RAID1C3; + else if (flags & BTRFS_BLOCK_GROUP_RAID1C4) + return BTRFS_RAID_RAID1C4; else if (flags & BTRFS_BLOCK_GROUP_DUP) return BTRFS_RAID_DUP; else if (flags & BTRFS_BLOCK_GROUP_RAID0) @@ -580,7 +564,7 @@ static inline enum btrfs_raid_types btrfs_bg_flags_to_raid_index(u64 flags) void btrfs_commit_device_sizes(struct btrfs_transaction *trans); -struct list_head *btrfs_get_fs_uuids(void); +struct list_head * __attribute_const__ 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); bool btrfs_check_rw_degradable(struct btrfs_fs_info *fs_info, |
