On Fri 19-08-22 15:52:40, Jiangshan Yi wrote:
> From: Jiangshan Yi <yijiangshan@xxxxxxxxxx>
>
> Fix the following coccicheck warning:
>
> fs/reiserfs/prints.c:459: WARNING opportunity for min().
> fs/reiserfs/resize.c:100: WARNING opportunity for min().
> fs/reiserfs/super.c:2508: WARNING opportunity for min().
> fs/reiserfs/super.c:2557: WARNING opportunity for min().
>
> min() and min_t() macro is defined in include/linux/minmax.h.
> It avoids multiple evaluations of the arguments when non-constant and
> performs strict type-checking.
>
> Signed-off-by: Jiangshan Yi <yijiangshan@xxxxxxxxxx>
Thanks for the cleanup. I've added the patch to my tree.
Honza
> ---
> fs/reiserfs/prints.c | 2 +-
> fs/reiserfs/resize.c | 2 +-
> fs/reiserfs/super.c | 7 ++-----
> 3 files changed, 4 insertions(+), 7 deletions(-)
>
> diff --git a/fs/reiserfs/prints.c b/fs/reiserfs/prints.c
> index 30319dc33c18..84a194b77f19 100644
> --- a/fs/reiserfs/prints.c
> +++ b/fs/reiserfs/prints.c
> @@ -456,7 +456,7 @@ static int print_internal(struct buffer_head *bh, int first, int last)
> to = B_NR_ITEMS(bh);
> } else {
> from = first;
> - to = last < B_NR_ITEMS(bh) ? last : B_NR_ITEMS(bh);
> + to = min_t(int, last, B_NR_ITEMS(bh));
> }
>
> reiserfs_printk("INTERNAL NODE (%ld) contains %z\n", bh->b_blocknr, bh);
> diff --git a/fs/reiserfs/resize.c b/fs/reiserfs/resize.c
> index 8096c74c38ac..7b498a0d060b 100644
> --- a/fs/reiserfs/resize.c
> +++ b/fs/reiserfs/resize.c
> @@ -97,7 +97,7 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
> * using the copy_size var below allows this code to work for
> * both shrinking and expanding the FS.
> */
> - copy_size = bmap_nr_new < bmap_nr ? bmap_nr_new : bmap_nr;
> + copy_size = min(bmap_nr_new, bmap_nr);
> copy_size =
> copy_size * sizeof(struct reiserfs_list_bitmap_node *);
> for (i = 0; i < JOURNAL_NUM_BITMAPS; i++) {
> diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
> index c88cd2ce0665..da1e72494e30 100644
> --- a/fs/reiserfs/super.c
> +++ b/fs/reiserfs/super.c
> @@ -2504,9 +2504,7 @@ static ssize_t reiserfs_quota_read(struct super_block *sb, int type, char *data,
> len = i_size - off;
> toread = len;
> while (toread > 0) {
> - tocopy =
> - sb->s_blocksize - offset <
> - toread ? sb->s_blocksize - offset : toread;
> + tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread);
> tmp_bh.b_state = 0;
> /*
> * Quota files are without tails so we can safely
> @@ -2554,8 +2552,7 @@ static ssize_t reiserfs_quota_write(struct super_block *sb, int type,
> return -EIO;
> }
> while (towrite > 0) {
> - tocopy = sb->s_blocksize - offset < towrite ?
> - sb->s_blocksize - offset : towrite;
> + tocopy = min_t(unsigned long, sb->s_blocksize - offset, towrite);
> tmp_bh.b_state = 0;
> reiserfs_write_lock(sb);
> err = reiserfs_get_block(inode, blk, &tmp_bh, GET_BLOCK_CREATE);
> --
> 2.25.1
>
>
> No virus found
> Checked by Hillstone Network AntiVirus
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
