From 18fa2284aac3f1071f51a897dc5585178cae458f Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Thu, 22 Aug 2019 15:10:58 -0400 Subject: btrfs: refactor the ticket wakeup code Now that btrfs_space_info_add_old_bytes simply checks if we can make the reservation and updates bytes_may_use, there's no reason to have both helpers in place. Factor out the ticket wakeup logic into it's own helper, make btrfs_space_info_add_old_bytes() update bytes_may_use and then call the wakeup helper, and replace all calls to btrfs_space_info_add_new_bytes() with the wakeup helper. Reviewed-by: Nikolay Borisov Signed-off-by: Josef Bacik Signed-off-by: David Sterba --- fs/btrfs/space-info.h | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) (limited to 'fs/btrfs/space-info.h') diff --git a/fs/btrfs/space-info.h b/fs/btrfs/space-info.h index 66d73c290983..b844e50a6a49 100644 --- a/fs/btrfs/space-info.h +++ b/fs/btrfs/space-info.h @@ -110,12 +110,6 @@ btrfs_space_info_update_##name(struct btrfs_fs_info *fs_info, \ DECLARE_SPACE_INFO_UPDATE(bytes_may_use, "space_info"); DECLARE_SPACE_INFO_UPDATE(bytes_pinned, "pinned"); -void btrfs_space_info_add_new_bytes(struct btrfs_fs_info *fs_info, - struct btrfs_space_info *space_info, - u64 num_bytes); -void btrfs_space_info_add_old_bytes(struct btrfs_fs_info *fs_info, - struct btrfs_space_info *space_info, - u64 num_bytes); int btrfs_init_space_info(struct btrfs_fs_info *fs_info); void btrfs_update_space_info(struct btrfs_fs_info *info, u64 flags, u64 total_bytes, u64 bytes_used, @@ -133,5 +127,18 @@ int btrfs_reserve_metadata_bytes(struct btrfs_root *root, struct btrfs_block_rsv *block_rsv, u64 orig_bytes, enum btrfs_reserve_flush_enum flush); +void btrfs_try_granting_tickets(struct btrfs_fs_info *fs_info, + struct btrfs_space_info *space_info); + +static inline void btrfs_space_info_add_old_bytes( + struct btrfs_fs_info *fs_info, + struct btrfs_space_info *space_info, + u64 num_bytes) +{ + spin_lock(&space_info->lock); + btrfs_space_info_update_bytes_may_use(fs_info, space_info, -num_bytes); + btrfs_try_granting_tickets(fs_info, space_info); + spin_unlock(&space_info->lock); +} #endif /* BTRFS_SPACE_INFO_H */ -- cgit v1.2.3