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Diffstat (limited to 'fs/btrfs/volumes.h')
-rw-r--r--fs/btrfs/volumes.h40
1 files changed, 20 insertions, 20 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 3ad9d58d1b66..136a3eb64604 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -45,6 +45,7 @@ struct btrfs_pending_bios {
struct btrfs_device {
struct list_head dev_list;
struct list_head dev_alloc_list;
+ struct list_head post_commit_list; /* chunk mutex */
struct btrfs_fs_devices *fs_devices;
struct btrfs_fs_info *fs_info;
@@ -102,18 +103,12 @@ struct btrfs_device {
* size of the device on the current transaction
*
* This variant is update when committing the transaction,
- * and protected by device_list_mutex
+ * and protected by chunk mutex
*/
u64 commit_total_bytes;
/* bytes used on the current transaction */
u64 commit_bytes_used;
- /*
- * used to manage the device which is resized
- *
- * It is protected by chunk_lock.
- */
- struct list_head resized_list;
/* for sending down flush barriers */
struct bio *flush_bio;
@@ -123,7 +118,6 @@ struct btrfs_device {
struct scrub_ctx *scrub_ctx;
struct btrfs_work work;
- struct rcu_head rcu;
/* readahead state */
atomic_t reada_in_flight;
@@ -139,6 +133,8 @@ struct btrfs_device {
/* Counter to record the change of device stats */
atomic_t dev_stats_ccnt;
atomic_t dev_stat_values[BTRFS_DEV_STAT_VALUES_MAX];
+
+ struct extent_io_tree alloc_state;
};
/*
@@ -235,7 +231,6 @@ struct btrfs_fs_devices {
struct mutex device_list_mutex;
struct list_head devices;
- struct list_head resized_devices;
/* devices not currently being allocated */
struct list_head alloc_list;
@@ -258,6 +253,15 @@ struct btrfs_fs_devices {
#define BTRFS_BIO_INLINE_CSUM_SIZE 64
+#define BTRFS_MAX_DEVS(info) ((BTRFS_MAX_ITEM_SIZE(info) \
+ - sizeof(struct btrfs_chunk)) \
+ / sizeof(struct btrfs_stripe) + 1)
+
+#define BTRFS_MAX_DEVS_SYS_CHUNK ((BTRFS_SYSTEM_CHUNK_ARRAY_SIZE \
+ - 2 * sizeof(struct btrfs_disk_key) \
+ - 2 * sizeof(struct btrfs_chunk)) \
+ / sizeof(struct btrfs_stripe) + 1)
+
/*
* we need the mirror number and stripe index to be passed around
* the call chain while we are processing end_io (especially errors).
@@ -390,6 +394,7 @@ static inline enum btrfs_map_op btrfs_op(struct bio *bio)
return BTRFS_MAP_WRITE;
default:
WARN_ON_ONCE(1);
+ /* fall through */
case REQ_OP_READ:
return BTRFS_MAP_READ;
}
@@ -449,22 +454,18 @@ 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_transaction *transaction,
- struct btrfs_device *device, u64 num_bytes,
- u64 search_start, u64 *start, u64 *max_avail);
-int find_free_dev_extent(struct btrfs_trans_handle *trans,
- struct btrfs_device *device, u64 num_bytes,
+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);
int btrfs_get_dev_stats(struct btrfs_fs_info *fs_info,
struct btrfs_ioctl_get_dev_stats *stats);
void btrfs_init_devices_late(struct btrfs_fs_info *fs_info);
int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info);
-int btrfs_run_dev_stats(struct btrfs_trans_handle *trans,
- struct btrfs_fs_info *fs_info);
+int btrfs_run_dev_stats(struct btrfs_trans_handle *trans);
void btrfs_rm_dev_replace_remove_srcdev(struct btrfs_device *srcdev);
-void btrfs_rm_dev_replace_free_srcdev(struct btrfs_fs_info *fs_info,
- struct btrfs_device *srcdev);
+void btrfs_rm_dev_replace_free_srcdev(struct btrfs_device *srcdev);
void btrfs_destroy_dev_replace_tgtdev(struct btrfs_device *tgtdev);
void btrfs_scratch_superblocks(struct block_device *bdev, const char *device_path);
int btrfs_is_parity_mirror(struct btrfs_fs_info *fs_info,
@@ -558,8 +559,7 @@ static inline enum btrfs_raid_types btrfs_bg_flags_to_raid_index(u64 flags)
const char *get_raid_name(enum btrfs_raid_types type);
-void btrfs_update_commit_device_size(struct btrfs_fs_info *fs_info);
-void btrfs_update_commit_device_bytes_used(struct btrfs_transaction *trans);
+void btrfs_commit_device_sizes(struct btrfs_transaction *trans);
struct list_head *btrfs_get_fs_uuids(void);
void btrfs_set_fs_info_ptr(struct btrfs_fs_info *fs_info);