diff options
Diffstat (limited to 'fs/smbfs/symlink.c')
-rw-r--r-- | fs/smbfs/symlink.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/fs/smbfs/symlink.c b/fs/smbfs/symlink.c new file mode 100644 index 00000000000..8b069e06433 --- /dev/null +++ b/fs/smbfs/symlink.c @@ -0,0 +1,70 @@ +/* + * symlink.c + * + * Copyright (C) 2002 by John Newbigin + * + * Please add a note about your changes to smbfs in the ChangeLog file. + */ + +#include <linux/sched.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/fcntl.h> +#include <linux/stat.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/pagemap.h> +#include <linux/smp_lock.h> +#include <linux/net.h> +#include <linux/namei.h> + +#include <asm/uaccess.h> +#include <asm/system.h> + +#include <linux/smbno.h> +#include <linux/smb_fs.h> + +#include "smb_debug.h" +#include "proto.h" + +int smb_symlink(struct inode *inode, struct dentry *dentry, const char *oldname) +{ + DEBUG1("create symlink %s -> %s/%s\n", oldname, DENTRY_PATH(dentry)); + + return smb_proc_symlink(server_from_dentry(dentry), dentry, oldname); +} + +static int smb_follow_link(struct dentry *dentry, struct nameidata *nd) +{ + char *link = __getname(); + DEBUG1("followlink of %s/%s\n", DENTRY_PATH(dentry)); + + if (!link) { + link = ERR_PTR(-ENOMEM); + } else { + int len = smb_proc_read_link(server_from_dentry(dentry), + dentry, link, PATH_MAX - 1); + if (len < 0) { + putname(link); + link = ERR_PTR(len); + } else { + link[len] = 0; + } + } + nd_set_link(nd, link); + return 0; +} + +static void smb_put_link(struct dentry *dentry, struct nameidata *nd) +{ + char *s = nd_get_link(nd); + if (!IS_ERR(s)) + putname(s); +} + +struct inode_operations smb_link_inode_operations = +{ + .readlink = generic_readlink, + .follow_link = smb_follow_link, + .put_link = smb_put_link, +}; |