From: kernel test robot <lkp(a)intel.com&gt; fs/btrfs/space-info.c:810:9-10: WARNING: return of 0/1 in function 'need_preemptive_reclaim' with return type bool Return statements in functions returning bool should use true/false instead of 1/0. Generated by: scripts/coccinelle/misc/boolreturn.cocci Fixes: fc96d3794eb2 ("btrfs: rename need_do_async_reclaim") CC: Josef Bacik <josef(a)toxicpanda.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- tree: https://github.com/kdave/btrfs-devel.git for-next-20201030 head: 757db2d191a0eb51ffb9acf023e31393d731b0a9 commit: fc96d3794eb2f38f91dc1647ab55967190b68482 [14921/14978] btrfs: rename need_do_async_reclaim space-info.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/fs/btrfs/space-info.c +++ b/fs/btrfs/space-info.c @@ -807,10 +807,10 @@ static inline bool need_preemptive_recla /* 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));