Commit bb96c4e5 authored by Josef Bacik's avatar Josef Bacik Committed by David Sterba
Browse files

btrfs: move the space info update macro to space-info.h 



Also rename it to btrfs_space_info_update_* so it's clear what we're
updating.

Reviewed-by: default avatarNikolay Borisov <nborisov@suse.com>
Signed-off-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 41783ef2

fs/btrfs/extent-tree.c

+26 −37
Original line number Diff line number Diff line
@@ -32,26 +32,6 @@ 


#undef SCRAMBLE_DELAYED_REFS



/*

 * Declare a helper function to detect underflow of various space info members

 */

#define DECLARE_SPACE_INFO_UPDATE(name)					\

static inline void update_##name(struct btrfs_fs_info *fs_info,		\

				 struct btrfs_space_info *sinfo,	\

				 s64 bytes)				\

{									\

	lockdep_assert_held(&sinfo->lock);				\

	trace_update_##name(fs_info, sinfo, sinfo->name, bytes);	\

	if (bytes < 0 && sinfo->name < -bytes) {			\

		WARN_ON(1);						\

		sinfo->name = 0;					\

		return;							\

	}								\

	sinfo->name += bytes;						\

}



DECLARE_SPACE_INFO_UPDATE(bytes_may_use);

DECLARE_SPACE_INFO_UPDATE(bytes_pinned);



static int __btrfs_free_extent(struct btrfs_trans_handle *trans,

			       struct btrfs_delayed_ref_node *node, u64 parent,
@@ -4054,7 +4034,7 @@ commit_trans: 
					      data_sinfo->flags, bytes, 1);

		return -ENOSPC;

	}

	update_bytes_may_use(fs_info, data_sinfo, bytes);

	btrfs_space_info_update_bytes_may_use(fs_info, data_sinfo, bytes);

	trace_btrfs_space_reservation(fs_info, "space_info",

				      data_sinfo->flags, bytes, 1);

	spin_unlock(&data_sinfo->lock);
@@ -4107,7 +4087,7 @@ void btrfs_free_reserved_data_space_noquota(struct inode *inode, u64 start, 


	data_sinfo = fs_info->data_sinfo;

	spin_lock(&data_sinfo->lock);

	update_bytes_may_use(fs_info, data_sinfo, -len);

	btrfs_space_info_update_bytes_may_use(fs_info, data_sinfo, -len);

	trace_btrfs_space_reservation(fs_info, "space_info",

				      data_sinfo->flags, len, 0);

	spin_unlock(&data_sinfo->lock);
@@ -4947,13 +4927,15 @@ static int __reserve_metadata_bytes(struct btrfs_fs_info *fs_info, 
	 * If not things get more complicated.

	 */

	if (used + orig_bytes <= space_info->total_bytes) {

		update_bytes_may_use(fs_info, space_info, orig_bytes);

		btrfs_space_info_update_bytes_may_use(fs_info, space_info,

						      orig_bytes);

		trace_btrfs_space_reservation(fs_info, "space_info",

					      space_info->flags, orig_bytes, 1);

		ret = 0;

	} else if (btrfs_can_overcommit(fs_info, space_info, orig_bytes, flush,

					system_chunk)) {

		update_bytes_may_use(fs_info, space_info, orig_bytes);

		btrfs_space_info_update_bytes_may_use(fs_info, space_info,

						      orig_bytes);

		trace_btrfs_space_reservation(fs_info, "space_info",

					      space_info->flags, orig_bytes, 1);

		ret = 0;
@@ -5282,7 +5264,7 @@ again: 
		flush = BTRFS_RESERVE_FLUSH_ALL;

		goto again;

	}

	update_bytes_may_use(fs_info, space_info, -num_bytes);

	btrfs_space_info_update_bytes_may_use(fs_info, space_info, -num_bytes);

	trace_btrfs_space_reservation(fs_info, "space_info",

				      space_info->flags, num_bytes, 0);

	spin_unlock(&space_info->lock);
@@ -5310,8 +5292,8 @@ again: 
						      ticket->bytes, 1);

			list_del_init(&ticket->list);

			num_bytes -= ticket->bytes;

			update_bytes_may_use(fs_info, space_info,

					     ticket->bytes);

			btrfs_space_info_update_bytes_may_use(fs_info,

					space_info, ticket->bytes);

			ticket->bytes = 0;

			space_info->tickets_id++;

			wake_up(&ticket->wait);
@@ -5319,7 +5301,8 @@ again: 
			trace_btrfs_space_reservation(fs_info, "space_info",

						      space_info->flags,

						      num_bytes, 1);

			update_bytes_may_use(fs_info, space_info, num_bytes);

			btrfs_space_info_update_bytes_may_use(fs_info,

					space_info, num_bytes);

			ticket->bytes -= num_bytes;

			num_bytes = 0;

		}
@@ -5612,14 +5595,16 @@ static void update_global_block_rsv(struct btrfs_fs_info *fs_info) 
			num_bytes = min(num_bytes,

					block_rsv->size - block_rsv->reserved);

			block_rsv->reserved += num_bytes;

			update_bytes_may_use(fs_info, sinfo, num_bytes);

			btrfs_space_info_update_bytes_may_use(fs_info, sinfo,

							      num_bytes);

			trace_btrfs_space_reservation(fs_info, "space_info",

						      sinfo->flags, num_bytes,

						      1);

		}

	} else if (block_rsv->reserved > block_rsv->size) {

		num_bytes = block_rsv->reserved - block_rsv->size;

		update_bytes_may_use(fs_info, sinfo, -num_bytes);

		btrfs_space_info_update_bytes_may_use(fs_info, sinfo,

						      -num_bytes);

		trace_btrfs_space_reservation(fs_info, "space_info",

				      sinfo->flags, num_bytes, 0);

		block_rsv->reserved = block_rsv->size;
@@ -6082,7 +6067,8 @@ static int update_block_group(struct btrfs_trans_handle *trans, 
			old_val -= num_bytes;

			btrfs_set_block_group_used(&cache->item, old_val);

			cache->pinned += num_bytes;

			update_bytes_pinned(info, cache->space_info, num_bytes);

			btrfs_space_info_update_bytes_pinned(info,

					cache->space_info, num_bytes);

			cache->space_info->bytes_used -= num_bytes;

			cache->space_info->disk_used -= num_bytes * factor;

			spin_unlock(&cache->lock);
@@ -6157,7 +6143,8 @@ static int pin_down_extent(struct btrfs_block_group_cache *cache, 
	spin_lock(&cache->space_info->lock);

	spin_lock(&cache->lock);

	cache->pinned += num_bytes;

	update_bytes_pinned(fs_info, cache->space_info, num_bytes);

	btrfs_space_info_update_bytes_pinned(fs_info, cache->space_info,

					     num_bytes);

	if (reserved) {

		cache->reserved -= num_bytes;

		cache->space_info->bytes_reserved -= num_bytes;
@@ -6366,7 +6353,8 @@ static int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, 
	} else {

		cache->reserved += num_bytes;

		space_info->bytes_reserved += num_bytes;

		update_bytes_may_use(cache->fs_info, space_info, -ram_bytes);

		btrfs_space_info_update_bytes_may_use(cache->fs_info,

						      space_info, -ram_bytes);

		if (delalloc)

			cache->delalloc_bytes += num_bytes;

	}
@@ -6522,7 +6510,7 @@ static int unpin_extent_range(struct btrfs_fs_info *fs_info, 
		spin_lock(&space_info->lock);

		spin_lock(&cache->lock);

		cache->pinned -= len;

		update_bytes_pinned(fs_info, space_info, -len);

		btrfs_space_info_update_bytes_pinned(fs_info, space_info, -len);



		trace_btrfs_space_reservation(fs_info, "pinned",

					      space_info->flags, len, 0);
@@ -6543,8 +6531,8 @@ static int unpin_extent_range(struct btrfs_fs_info *fs_info, 
				to_add = min(len, global_rsv->size -

					     global_rsv->reserved);

				global_rsv->reserved += to_add;

				update_bytes_may_use(fs_info, space_info,

						     to_add);

				btrfs_space_info_update_bytes_may_use(fs_info,

						space_info, to_add);

				if (global_rsv->reserved >= global_rsv->size)

					global_rsv->full = 1;

				trace_btrfs_space_reservation(fs_info,
@@ -10831,7 +10819,8 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) 
		spin_lock(&space_info->lock);

		spin_lock(&block_group->lock);



		update_bytes_pinned(fs_info, space_info, -block_group->pinned);

		btrfs_space_info_update_bytes_pinned(fs_info, space_info,

						     -block_group->pinned);

		space_info->bytes_readonly += block_group->pinned;

		percpu_counter_add_batch(&space_info->total_bytes_pinned,

				   -block_group->pinned,

fs/btrfs/space-info.h

+23 −0
Original line number Diff line number Diff line
@@ -75,6 +75,29 @@ static inline bool btrfs_mixed_space_info(struct btrfs_space_info *space_info) 
		(space_info->flags & BTRFS_BLOCK_GROUP_DATA));

}



/*

 *

 * Declare a helper function to detect underflow of various space info members

 */

#define DECLARE_SPACE_INFO_UPDATE(name)					\

static inline void							\

btrfs_space_info_update_##name(struct btrfs_fs_info *fs_info,		\

			       struct btrfs_space_info *sinfo,		\

			       s64 bytes)				\

{									\

	lockdep_assert_held(&sinfo->lock);				\

	trace_update_##name(fs_info, sinfo, sinfo->name, bytes);	\

	if (bytes < 0 && sinfo->name < -bytes) {			\

		WARN_ON(1);						\

		sinfo->name = 0;					\

		return;							\

	}								\

	sinfo->name += bytes;						\

}



DECLARE_SPACE_INFO_UPDATE(bytes_may_use);

DECLARE_SPACE_INFO_UPDATE(bytes_pinned);



void btrfs_space_info_add_new_bytes(struct btrfs_fs_info *fs_info,

				    struct btrfs_space_info *space_info,

				    u64 num_bytes);

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