This is a note to let you know that I've just added the patch titled
fs/nilfs2: remove some unused macros to tame gcc
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
fs-nilfs2-remove-some-unused-macros-to-tame-gcc.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 23d92c009b73daefc07201a5c76b95d15488f724
Author: Alex Shi <alexs@xxxxxxxxxx>
Date: Tue Dec 15 20:45:27 2020 -0800
fs/nilfs2: remove some unused macros to tame gcc
[ Upstream commit e7920b3e9d9f5470d5ff7d883e72a47addc0a137 ]
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@xxxxxxxxx
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>
Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Stable-dep-of: 0f3819e8c483 ("nilfs2: avoid undefined behavior in nilfs_cnt32_ge macro")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 23b24ec79527c..62c83193a5bb8 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -134,14 +134,9 @@ static void nilfs_segctor_do_flush(struct nilfs_sc_info *, int);
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)
