summaryrefslogtreecommitdiffstats
path: root/fs/jfs/super.c
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2012-02-06 18:45:27 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2012-03-21 02:29:32 +0100
commit8de52778798fe39660a8d6b26f290e0c93202761 (patch)
tree56384beb7863c1f338f2b66b509bf58eea5a99c2 /fs/jfs/super.c
parentLinux 3.3 (diff)
downloadlinux-8de52778798fe39660a8d6b26f290e0c93202761.tar.xz
linux-8de52778798fe39660a8d6b26f290e0c93202761.zip
vfs: check i_nlink limits in vfs_{mkdir,rename_dir,link}
New field of struct super_block - ->s_max_links. Maximal allowed value of ->i_nlink or 0; in the latter case all checks still need to be done in ->link/->mkdir/->rename instances. Note that this limit applies both to directoris and to non-directories. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/jfs/super.c')
-rw-r--r--fs/jfs/super.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 682bca642f38..4661ad705130 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -441,6 +441,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
return -ENOMEM;
sb->s_fs_info = sbi;
+ sb->s_max_links = JFS_LINK_MAX;
sbi->sb = sb;
sbi->uid = sbi->gid = sbi->umask = -1;