From 470cca56c366428d4d5785a0a5a291619c332c7f Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 4 Sep 2014 16:26:19 +0200 Subject: udf: Set i_generation field Currently UDF doesn't initialize i_generation in any way and thus NFS can easily get reallocated inodes from stale file handles. Luckily UDF already has a unique object identifier associated with each inode - i_unique. Use that for initialization of i_generation. Signed-off-by: Jan Kara --- fs/udf/ialloc.c | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/udf/ialloc.c') diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c index 6eaf5edf1ea1..647370d70175 100644 --- a/fs/udf/ialloc.c +++ b/fs/udf/ialloc.c @@ -95,6 +95,7 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err) lvidiu = udf_sb_lvidiu(sb); if (lvidiu) { iinfo->i_unique = lvid_get_unique_id(sb); + inode->i_generation = iinfo->i_unique; mutex_lock(&sbi->s_alloc_mutex); if (S_ISDIR(mode)) le32_add_cpu(&lvidiu->numDirs, 1); -- cgit v1.2.3