diff options
Diffstat (limited to 'fs/namei.c')
| -rw-r--r-- | fs/namei.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/namei.c b/fs/namei.c index 5b4eed221530..12a4159de72a 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -4669,6 +4669,27 @@ int generic_readlink(struct dentry *dentry, char __user *buffer, int buflen) EXPORT_SYMBOL(generic_readlink); /** + * vfs_readlink - copy symlink body into userspace buffer + * @dentry: dentry on which to get symbolic link + * @buffer: user memory pointer + * @buflen: size of buffer + * + * Does not touch atime. That's up to the caller if necessary + * + * Does not call security hook. + */ +int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen) +{ + struct inode *inode = d_inode(dentry); + + if (!inode->i_op->readlink) + return -EINVAL; + + return inode->i_op->readlink(dentry, buffer, buflen); +} +EXPORT_SYMBOL(vfs_readlink); + +/** * vfs_get_link - get symlink body * @dentry: dentry on which to get symbolic link * @done: caller needs to free returned data with this |