static int sysv_symlink(struct inode * dir, struct dentry * dentry,
const char * symname)
{
int err = -ENAMETOOLONG;
int l = strlen(symname)+1;
struct inode * inode;
if (l > dir->i_sb->s_blocksize)
goto out;
inode = sysv_new_inode(dir, S_IFLNK|0777);
err = PTR_ERR(inode);
if (IS_ERR(inode))
goto out;
sysv_set_inode(inode, 0);
err = block_symlink(inode, symname, l);
if (err)
goto out_fail;
mark_inode_dirty(inode);
err = add_nondir(dentry, inode);
out:
return err;
out_fail:
dec_count(inode);
iput(inode);
goto out;
}
static int sysv_symlink(struct inode * dir, struct dentry * dentry,
const char * symname)
{
struct inode * inode;
struct sysv_dir_entry * de;
struct buffer_head * bh;
int err;
int l;
err = -ENAMETOOLONG;
l = strlen(symname)+1;
if (l > dir->i_sb->sv_block_size_1)
goto out;
err = -ENOSPC;
if (!(inode = sysv_new_inode(dir)))
goto out;
inode->i_mode = S_IFLNK | 0777;
inode->i_op = &sysv_symlink_inode_operations;
inode->i_mapping->a_ops = &sysv_aops;
err = block_symlink(inode, symname, l);
if (err)
goto out_no_entry;
mark_inode_dirty(inode);
err = sysv_add_entry(dir, dentry->d_name.name,
dentry->d_name.len, &bh, &de);
if (err)
goto out_no_entry;
de->inode = inode->i_ino;
mark_buffer_dirty(bh);
brelse(bh);
d_instantiate(dentry, inode);
out:
return err;
out_no_entry:
inode->i_nlink--;
mark_inode_dirty(inode);
iput(inode);
goto out;
}
