diff options
Diffstat (limited to 'fs/inode.c')
| -rw-r--r-- | fs/inode.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/inode.c b/fs/inode.c index 430d70f2abe..05ea293d5f3 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -320,6 +320,15 @@ void __iget(struct inode *inode) atomic_inc(&inode->i_count); } +/* + * get additional reference to inode; caller must already hold one. + */ +void ihold(struct inode *inode) +{ + WARN_ON(atomic_inc_return(&inode->i_count) < 2); +} +EXPORT_SYMBOL(ihold); + static void inode_lru_list_add(struct inode *inode) { if (list_empty(&inode->i_list)) { |