On 6/28/22 9:45 AM, hexiaole wrote: > From: hexiaole <hexiaole@xxxxxxxxxx> > > 1. Description > libxfs/xfs_log_format.h declare 'di_nlink' as unsigned 32-bit integer: > > typedef struct xfs_icdinode { > ... > __uint32_t di_nlink; /* number of links to file */ > ... > } xfs_icdinode_t; > > But logprint/log_misc.c use '%hd' to print 'di_nlink': > > void > xlog_print_trans_inode_core(xfs_icdinode_t *ip) > { > ... > printf(_("nlink %hd uid %d gid %d\n"), > ip->di_nlink, ip->di_uid, ip->di_gid); > ... > } > > '%hd' can be 16-bit on many architectures, on these architectures, the 'printf' only print the low 16-bit of 'di_nlink'. > > 2. Reproducer > 2.1. Commands > [root@localhost ~]# cd > [root@localhost ~]# xfs_mkfile 128m 128m.xfs > [root@localhost ~]# mkfs.xfs 128m.xfs > [root@localhost ~]# mount 128m.xfs /mnt/ > [root@localhost ~]# cd /mnt/ > [root@localhost mnt]# seq 1 65534|xargs mkdir -p > [root@localhost mnt]# cd > [root@localhost ~]# umount /mnt/ > [root@localhost ~]# xfs_logprint 128m.xfs|grep nlink|tail -1 > > 2.2. Expect result > nlink 65536 > > 2.3. Actual result > nlink 0 I'm being pedantic for such a small change, but technically this needs to be sent with a Signed-off-by: from you please? It's probably enough for you to just reply to this thread with "yes, please add my Signed-off-by" Thanks, -Eric > --- > logprint/log_misc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/logprint/log_misc.c b/logprint/log_misc.c > index 35e926a3..6add28ed 100644 > --- a/logprint/log_misc.c > +++ b/logprint/log_misc.c > @@ -444,7 +444,7 @@ xlog_print_trans_inode_core( > printf(_("magic 0x%hx mode 0%ho version %d format %d\n"), > ip->di_magic, ip->di_mode, (int)ip->di_version, > (int)ip->di_format); > - printf(_("nlink %hd uid %d gid %d\n"), > + printf(_("nlink %" PRIu32 " uid %d gid %d\n"), > ip->di_nlink, ip->di_uid, ip->di_gid); > printf(_("atime 0x%llx mtime 0x%llx ctime 0x%llx\n"), > xlog_extract_dinode_ts(ip->di_atime),