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#include <fs/types.h>
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#include <fs/errno.h>
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#include <fs/task.h>
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#include <fs/maccess.h>
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#include "file.h"
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#include "inode.h"
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#include "dentry.h"
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#include "fileop.h"
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#include "fs.h"
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#include "debug.h"
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int k_close(int fd)
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{
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  struct file *f;
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  __pid_t pid;
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  call_to_fs();
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  /* don't try to use a bad file descriptor */
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  pid=__get_pid();
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  if (check_fd(pid,fd)) {
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    printk(KERN_INFO "k_close: using bad file descriptor");
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    return_from_fs(-EBADF);
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  }
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  /* don't try to close a directory */
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  if (file_ptr(pid,fd)->f_flag_isdir) return_from_fs(-EBADF);
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  f=free_fd(pid,fd);
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  if (f==NULL) return_from_fs(-EBADF);
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  f->f_op->close(f->f_dentry->d_inode,f);
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  unlock_dentry(f->f_dentry);
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  free_file(f);
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  return_from_fs(EOK);
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}