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authorAl Viro <viro@zeniv.linux.org.uk>2012-02-06 12:45:27 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-03-20 21:29:32 -0400
commit8de52778798fe39660a8d6b26f290e0c93202761 (patch)
tree56384beb7863c1f338f2b66b509bf58eea5a99c2 /fs/logfs/dir.c
parentc16fa4f2ad19908a47c63d8fa436a1178438c7e7 (diff)
downloadlinux-8de52778798fe39660a8d6b26f290e0c93202761.tar.bz2
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/logfs/dir.c')
-rw-r--r--fs/logfs/dir.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c
index 3de7a32cadbe..4aea231fc9e6 100644
--- a/fs/logfs/dir.c
+++ b/fs/logfs/dir.c
@@ -558,9 +558,6 @@ static int logfs_link(struct dentry *old_dentry, struct inode *dir,
{
struct inode *inode = old_dentry->d_inode;
- if (inode->i_nlink >= LOGFS_LINK_MAX)
- return -EMLINK;
-
inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
ihold(inode);
inc_nlink(inode);