From ae7913ba52ec4a2883eb073c6bc99f1a8d9d636b Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Fri, 9 Oct 2020 09:28:23 -0400 Subject: btrfs: rename need_do_async_reclaim All of our normal flushing is asynchronous reclaim, so this helper is poorly named. This is more checking if we need to preemptively flush space, so rename it to need_preemptive_reclaim. Also switch it to bool and make it plain static as followup patches will move more code here. Reviewed-by: Nikolay Borisov Signed-off-by: Josef Bacik Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/space-info.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'fs/btrfs/space-info.c') diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c index 8a27c193f8a8..effb9b73a418 100644 --- a/fs/btrfs/space-info.c +++ b/fs/btrfs/space-info.c @@ -808,18 +808,18 @@ btrfs_calc_reclaim_metadata_size(struct btrfs_fs_info *fs_info, return to_reclaim; } -static inline int need_do_async_reclaim(struct btrfs_fs_info *fs_info, - struct btrfs_space_info *space_info, - u64 used) +static bool need_preemptive_reclaim(struct btrfs_fs_info *fs_info, + struct btrfs_space_info *space_info, + u64 used) { u64 thresh = div_factor_fine(space_info->total_bytes, 98); /* If we're just plain full then async reclaim just slows us down. */ if ((space_info->bytes_used + space_info->bytes_reserved) >= thresh) - return 0; + return false; if (!btrfs_calc_reclaim_metadata_size(fs_info, space_info)) - return 0; + return false; return (used >= thresh && !btrfs_fs_closing(fs_info) && !test_bit(BTRFS_FS_STATE_REMOUNTING, &fs_info->fs_state)); @@ -1028,7 +1028,7 @@ static void btrfs_preempt_reclaim_metadata_space(struct work_struct *work) spin_lock(&space_info->lock); used = btrfs_space_info_used(space_info, true); - while (need_do_async_reclaim(fs_info, space_info, used)) { + while (need_preemptive_reclaim(fs_info, space_info, used)) { enum btrfs_flush_state flush; u64 delalloc_size = 0; u64 to_reclaim, block_rsv_size; @@ -1508,7 +1508,7 @@ static int __reserve_bytes(struct btrfs_fs_info *fs_info, * the async reclaim as we will panic. */ if (!test_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags) && - need_do_async_reclaim(fs_info, space_info, used) && + need_preemptive_reclaim(fs_info, space_info, used) && !work_busy(&fs_info->preempt_reclaim_work)) { trace_btrfs_trigger_flush(fs_info, space_info->flags, orig_bytes, flush, "preempt"); -- cgit v1.2.3