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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 <fs/fcntl.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 "super.h"
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#include "fileop.h"
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#include "dentryop.h"
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#include "inodeop.h"
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#include "fsconst.h"
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#include "fs.h"
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#include "debug.h"
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int k_unlink(char *upathname)
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{
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  declare_buffer(char,pathname,MAXPATHNAME);
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  struct dentry *d;
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  int createflag;
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  __pid_t pid;
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  int len,res;
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  call_to_fs();
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  printkd("k_unlink: START");
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  pid=__get_pid();
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  len=__verify_read_nolen((char*)upathname);
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  if ((!len)||(len>MAXPATHNAMELEN)) return_from_fs(-EVERIFY);
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  __copy_from_user(pathname,upathname,len+1);
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  printkd("k_unlink: pathname copied");
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  createflag=DENTRY_NOCREATE;
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  d=find_dentry_from_ext(cwden_ptr(pid),(char *)pathname,&createflag);
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  printkd("k_unlink: dentry found");
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  if (d==NULL) return_from_fs(-ENOENT);
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  if (__S_ISDIR(d->d_inode->i_st.st_mode)) return_from_fs(-EPERM);
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  if (!(d->d_sb->sb_mopts.flags&MOUNT_FLAG_RW)) return_from_fs(-EROFS);
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  printkd("k_unlink: dentry is ok");
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  res=unlink_dentry(d);
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  printkd("k_unlink: dentry unlinked");
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  printkd("k_unlink: END");
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  return_from_fs(res);
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}