ceph: use snprintf for dirstat content

We allocate a buffer for rstats if the dirstat option is enabled.  Use
snprintf.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2011-05-12 14:28:05 -07:00
parent e8f54ce169
commit ae59808301

View file

@ -1066,16 +1066,17 @@ static ssize_t ceph_read_dir(struct file *file, char __user *buf, size_t size,
struct inode *inode = file->f_dentry->d_inode;
struct ceph_inode_info *ci = ceph_inode(inode);
int left;
const int bufsize = 1024;
if (!ceph_test_mount_opt(ceph_sb_to_client(inode->i_sb), DIRSTAT))
return -EISDIR;
if (!cf->dir_info) {
cf->dir_info = kmalloc(1024, GFP_NOFS);
cf->dir_info = kmalloc(bufsize, GFP_NOFS);
if (!cf->dir_info)
return -ENOMEM;
cf->dir_info_len =
sprintf(cf->dir_info,
snprintf(cf->dir_info, bufsize,
"entries: %20lld\n"
" files: %20lld\n"
" subdirs: %20lld\n"