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Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 778e253e3d48..66998b06d822 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2948,8 +2948,14 @@ static int do_tmpfile(int dfd, struct filename *pathname,
if (error)
goto out2;
error = open_check_o_direct(file);
- if (error)
+ if (error) {
fput(file);
+ } else if (!(op->open_flag & O_EXCL)) {
+ struct inode *inode = file_inode(file);
+ spin_lock(&inode->i_lock);
+ inode->i_state |= I_LINKABLE;
+ spin_unlock(&inode->i_lock);
+ }
out2:
mnt_drop_write(nd->path.mnt);
out:
@@ -3628,12 +3634,18 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de
mutex_lock(&inode->i_mutex);
/* Make sure we don't allow creating hardlink to an unlinked file */
- if (inode->i_nlink == 0)
+ if (inode->i_nlink == 0 && !(inode->i_state & I_LINKABLE))
error = -ENOENT;
else if (max_links && inode->i_nlink >= max_links)
error = -EMLINK;
else
error = dir->i_op->link(old_dentry, dir, new_dentry);
+
+ if (!error && (inode->i_state & I_LINKABLE)) {
+ spin_lock(&inode->i_lock);
+ inode->i_state &= ~I_LINKABLE;
+ spin_unlock(&inode->i_lock);
+ }
mutex_unlock(&inode->i_mutex);
if (!error)
fsnotify_link(dir, inode, new_dentry);