+ fs-nilfs2-remove-some-unused-macros-to-tame-gcc.patch added to -mm tree

+ fs-nilfs2-remove-some-unused-macros-to-tame-gcc.patch added to -mm tree

[akpm]

The patch titled
     Subject: fs/nilfs2: remove some unused macros to tame gcc
has been added to the -mm tree.  Its filename is
     fs-nilfs2-remove-some-unused-macros-to-tame-gcc.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/fs-nilfs2-remove-some-unused-macros-to-tame-gcc.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/fs-nilfs2-remove-some-unused-macros-to-tame-gcc.patch

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------------------------------------------------------
From: Alex Shi <alex.shi@linux.alibaba.com>
Subject: fs/nilfs2: remove some unused macros to tame gcc

There some macros are unused and cause gcc warning. Remove them.

fs/nilfs2/segment.c:137:0: warning: macro "nilfs_cnt32_gt" is not used
[-Wunused-macros]
fs/nilfs2/segment.c:144:0: warning: macro "nilfs_cnt32_le" is not used
[-Wunused-macros]
fs/nilfs2/segment.c:143:0: warning: macro "nilfs_cnt32_lt" is not used
[-Wunused-macros]

Link: https://lkml.kernel.org/r/1607552733-24292-1-git-send-email-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/nilfs2/segment.c |    5 -----
 1 file changed, 5 deletions(-)

--- a/fs/nilfs2/segment.c~fs-nilfs2-remove-some-unused-macros-to-tame-gcc
+++ a/fs/nilfs2/segment.c
@@ -134,14 +134,9 @@ static void nilfs_segctor_do_flush(struc
 static void nilfs_segctor_do_immediate_flush(struct nilfs_sc_info *);
 static void nilfs_dispose_list(struct the_nilfs *, struct list_head *, int);
 
-#define nilfs_cnt32_gt(a, b)   \
-	(typecheck(__u32, a) && typecheck(__u32, b) && \
-	 ((__s32)(b) - (__s32)(a) < 0))
 #define nilfs_cnt32_ge(a, b)   \
 	(typecheck(__u32, a) && typecheck(__u32, b) && \
 	 ((__s32)(a) - (__s32)(b) >= 0))
-#define nilfs_cnt32_lt(a, b)  nilfs_cnt32_gt(b, a)
-#define nilfs_cnt32_le(a, b)  nilfs_cnt32_ge(b, a)
 
 static int nilfs_prepare_segment_lock(struct super_block *sb,
 				      struct nilfs_transaction_info *ti)
_

Patches currently in -mm which might be from alex.shi@linux.alibaba.com are

fs-ntfs-remove-unused-varibles.patch
fs-ntfs-remove-unused-varible-attr_len.patch
mm-truncate-add-parameter-explanation-for-invalidate_mapping_pagevec.patch
mm-memcg-update-page-struct-member-in-comments.patch
mm-thp-move-lru_add_page_tail-func-to-huge_memoryc.patch
mm-thp-use-head-for-head-page-in-lru_add_page_tail.patch
mm-thp-simplify-lru_add_page_tail.patch
mm-thp-narrow-lru-locking.patch
mm-vmscan-remove-unnecessary-lruvec-adding.patch
mm-rmap-stop-store-reordering-issue-on-page-mapping.patch
mm-rmap-stop-store-reordering-issue-on-page-mapping-fix.patch
mm-memcg-add-debug-checking-in-lock_page_memcg.patch
mm-swapc-fold-vm-event-pgrotated-into-pagevec_move_tail_fn.patch
mm-lru-move-lock-into-lru_note_cost.patch
mm-vmscan-remove-lruvec-reget-in-move_pages_to_lru.patch
mm-mlock-remove-lru_lock-on-testclearpagemlocked.patch
mm-mlock-remove-__munlock_isolate_lru_page.patch
mm-lru-introduce-testclearpagelru.patch
mm-compaction-do-page-isolation-first-in-compaction.patch
mm-swapc-serialize-memcg-changes-in-pagevec_lru_move_fn.patch
mm-lru-replace-pgdat-lru_lock-with-lruvec-lock.patch
mm-lru-replace-pgdat-lru_lock-with-lruvec-lock-fix.patch
mm-lru-replace-pgdat-lru_lock-with-lruvec-lock-fix-2.patch
mm-lru-introduce-the-relock_page_lruvec-function-fix.patch
mm-memcg-remove-incorrect-comments.patch
mm-mapping_dirty_helpers-enhance-the-kernel-doc-markups.patch
mm-add-colon-to-fix-kernel-doc-markups-error-for-check_pte.patch
mm-vmalloc-add-align-parameter-explanation-for-pvm_determine_end_from_reverse.patch
docs-vm-remove-unused-3-items-explanation-for-proc-vmstat.patch
khugepaged-add-couples-parameter-explanation-for-kernel-doc-markup.patch
mm-vmscan-__isolate_lru_page_prepare-clean-up.patch
fs-nilfs2-remove-some-unused-macros-to-tame-gcc.patch
gcov-fix-kernel-doc-markup-issue.patch
mm-memcg-bail-early-from-swap-accounting-if-memcg-disabled.patch
mm-memcg-warning-on-memcg-after-readahead-page-charged.patch
mm-memcontrol-rewrite-mem_cgroup_page_lruvec-fix.patch