The patch titled Subject: fs/ntfs: fix set but not used variable 'log_page_mask' has been added to the -mm tree. Its filename is fs-ntfs-fix-set-but-not-used-variable-log_page_mask.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/fs-ntfs-fix-set-but-not-used-variable-log_page_mask.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/fs-ntfs-fix-set-but-not-used-variable-log_page_mask.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Zheng Zengkai <zhengzengkai@xxxxxxxxxx> Subject: fs/ntfs: fix set but not used variable 'log_page_mask' Fixes gcc '-Wunused-but-set-variable' warning: fs/ntfs/logfile.c: In function ntfs_check_logfile: fs/ntfs/logfile.c:481:21: warning: variable log_page_mask set but not used [-Wunused-but-set-variable] Actually log_page_mask can be used to replace 'log_page_size - 1' as it is set. Link: https://lkml.kernel.org/r/20200312041353.19877-1-zhengzengkai@xxxxxxxxxx Signed-off-by: Zheng Zengkai <zhengzengkai@xxxxxxxxxx> Acked-by: Anton Altaparmakov <anton@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/ntfs/logfile.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/ntfs/logfile.c~fs-ntfs-fix-set-but-not-used-variable-log_page_mask +++ a/fs/ntfs/logfile.c @@ -506,7 +506,7 @@ bool ntfs_check_logfile(struct inode *lo * optimize log_page_size and log_page_bits into constants. */ log_page_bits = ntfs_ffs(log_page_size) - 1; - size &= ~(s64)(log_page_size - 1); + size &= ~(s64)(log_page_mask); /* * Ensure the log file is big enough to store at least the two restart * pages and the minimum number of log record pages. _ Patches currently in -mm which might be from zhengzengkai@xxxxxxxxxx are fs-ntfs-fix-set-but-not-used-variable-log_page_mask.patch