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Commit 422e6c4b authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (57 commits)
  tidy the trailing symlinks traversal up
  Turn resolution of trailing symlinks iterative everywhere
  simplify link_path_walk() tail
  Make trailing symlink resolution in path_lookupat() iterative
  update nd->inode in __do_follow_link() instead of after do_follow_link()
  pull handling of one pathname component into a helper
  fs: allow AT_EMPTY_PATH in linkat(), limit that to CAP_DAC_READ_SEARCH
  Allow passing O_PATH descriptors via SCM_RIGHTS datagrams
  readlinkat(), fchownat() and fstatat() with empty relative pathnames
  Allow O_PATH for symlinks
  New kind of open files - "location only".
  ext4: Copy fs UUID to superblock
  ext3: Copy fs UUID to superblock.
  vfs: Export file system uuid via /proc/<pid>/mountinfo
  unistd.h: Add new syscalls numbers to asm-generic
  x86: Add new syscalls for x86_64
  x86: Add new syscalls for x86_32
  fs: Remove i_nlink check from file system link callback
  fs: Don't allow to create hardlink for deleted file
  vfs: Add open by file handle support
  ...
parents c83ce989 574197e0

arch/alpha/kernel/osf_sys.c

+8 −28
Original line number Diff line number Diff line
@@ -230,44 +230,24 @@ linux_to_osf_statfs(struct kstatfs *linux_stat, struct osf_statfs __user *osf_st 
	return copy_to_user(osf_stat, &tmp_stat, bufsiz) ? -EFAULT : 0;

}



static int

do_osf_statfs(struct path *path, struct osf_statfs __user *buffer,

	      unsigned long bufsiz)

SYSCALL_DEFINE3(osf_statfs, const char __user *, pathname,

		struct osf_statfs __user *, buffer, unsigned long, bufsiz)

{

	struct kstatfs linux_stat;

	int error = vfs_statfs(path, &linux_stat);

	int error = user_statfs(pathname, &linux_stat);

	if (!error)

		error = linux_to_osf_statfs(&linux_stat, buffer, bufsiz);

	return error;	

}



SYSCALL_DEFINE3(osf_statfs, const char __user *, pathname,

		struct osf_statfs __user *, buffer, unsigned long, bufsiz)

{

	struct path path;

	int retval;



	retval = user_path(pathname, &path);

	if (!retval) {

		retval = do_osf_statfs(&path, buffer, bufsiz);

		path_put(&path);

	}

	return retval;

}



SYSCALL_DEFINE3(osf_fstatfs, unsigned long, fd,

		struct osf_statfs __user *, buffer, unsigned long, bufsiz)

{

	struct file *file;

	int retval;



	retval = -EBADF;

	file = fget(fd);

	if (file) {

		retval = do_osf_statfs(&file->f_path, buffer, bufsiz);

		fput(file);

	}

	return retval;

	struct kstatfs linux_stat;

	int error = fd_statfs(fd, &linux_stat);

	if (!error)

		error = linux_to_osf_statfs(&linux_stat, buffer, bufsiz);

	return error;

}



/*

arch/parisc/hpux/sys_hpux.c

+22 −43
Original line number Diff line number Diff line
@@ -185,26 +185,21 @@ struct hpux_statfs { 
     int16_t f_pad;

};



static int do_statfs_hpux(struct path *path, struct hpux_statfs *buf)

static int do_statfs_hpux(struct kstatfs *st, struct hpux_statfs __user *p)

{

	struct kstatfs st;

	int retval;

	

	retval = vfs_statfs(path, &st);

	if (retval)

		return retval;



	memset(buf, 0, sizeof(*buf));

	buf->f_type = st.f_type;

	buf->f_bsize = st.f_bsize;

	buf->f_blocks = st.f_blocks;

	buf->f_bfree = st.f_bfree;

	buf->f_bavail = st.f_bavail;

	buf->f_files = st.f_files;

	buf->f_ffree = st.f_ffree;

	buf->f_fsid[0] = st.f_fsid.val[0];

	buf->f_fsid[1] = st.f_fsid.val[1];



	struct hpux_statfs buf;

	memset(&buf, 0, sizeof(buf));

	buf.f_type = st->f_type;

	buf.f_bsize = st->f_bsize;

	buf.f_blocks = st->f_blocks;

	buf.f_bfree = st->f_bfree;

	buf.f_bavail = st->f_bavail;

	buf.f_files = st->f_files;

	buf.f_ffree = st->f_ffree;

	buf.f_fsid[0] = st->f_fsid.val[0];

	buf.f_fsid[1] = st->f_fsid.val[1];

	if (copy_to_user(p, &buf, sizeof(buf)))

		return -EFAULT;

	return 0;

}
@@ -212,35 +207,19 @@ static int do_statfs_hpux(struct path *path, struct hpux_statfs *buf) 
asmlinkage long hpux_statfs(const char __user *pathname,

						struct hpux_statfs __user *buf)

{

	struct path path;

	int error;



	error = user_path(pathname, &path);

	if (!error) {

		struct hpux_statfs tmp;

		error = do_statfs_hpux(&path, &tmp);

		if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))

			error = -EFAULT;

		path_put(&path);

	}

	struct kstatfs st;

	int error = user_statfs(pathname, &st);

	if (!error)

		error = do_statfs_hpux(&st, buf);

	return error;

}



asmlinkage long hpux_fstatfs(unsigned int fd, struct hpux_statfs __user * buf)

{

	struct file *file;

	struct hpux_statfs tmp;

	int error;



	error = -EBADF;

	file = fget(fd);

	if (!file)

		goto out;

	error = do_statfs_hpux(&file->f_path, &tmp);

	if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))

		error = -EFAULT;

	fput(file);

 out:

	struct kstatfs st;

	int error = fd_statfs(fd, &st);

	if (!error)

		error = do_statfs_hpux(&st, buf);

	return error;

}

arch/powerpc/platforms/cell/spufs/syscalls.c

+1 −1
Original line number Diff line number Diff line
@@ -70,7 +70,7 @@ static long do_spu_create(const char __user *pathname, unsigned int flags, 
	if (!IS_ERR(tmp)) {

		struct nameidata nd;



		ret = path_lookup(tmp, LOOKUP_PARENT, &nd);

		ret = kern_path_parent(tmp, &nd);

		if (!ret) {

			nd.flags |= LOOKUP_OPEN | LOOKUP_CREATE;

			ret = spufs_create(&nd, flags, mode, neighbor);

arch/um/drivers/mconsole_kern.c

+2 −19
Original line number Diff line number Diff line
@@ -124,35 +124,18 @@ void mconsole_log(struct mc_request *req) 
#if 0

void mconsole_proc(struct mc_request *req)

{

	struct nameidata nd;

	struct vfsmount *mnt = current->nsproxy->pid_ns->proc_mnt;

	struct file *file;

	int n, err;

	int n;

	char *ptr = req->request.data, *buf;

	mm_segment_t old_fs = get_fs();



	ptr += strlen("proc");

	ptr = skip_spaces(ptr);



	err = vfs_path_lookup(mnt->mnt_root, mnt, ptr, LOOKUP_FOLLOW, &nd);

	if (err) {

		mconsole_reply(req, "Failed to look up file", 1, 0);

		goto out;

	}



	err = may_open(&nd.path, MAY_READ, O_RDONLY);

	if (result) {

		mconsole_reply(req, "Failed to open file", 1, 0);

		path_put(&nd.path);

		goto out;

	}



	file = dentry_open(nd.path.dentry, nd.path.mnt, O_RDONLY,

			   current_cred());

	err = PTR_ERR(file);

	file = file_open_root(mnt->mnt_root, mnt, ptr, O_RDONLY);

	if (IS_ERR(file)) {

		mconsole_reply(req, "Failed to open file", 1, 0);

		path_put(&nd.path);

		goto out;

	}

arch/x86/ia32/ia32entry.S

+2 −0
Original line number Diff line number Diff line
@@ -851,4 +851,6 @@ ia32_sys_call_table: 
	.quad sys_fanotify_init

	.quad sys32_fanotify_mark

	.quad sys_prlimit64		/* 340 */

	.quad sys_name_to_handle_at

	.quad compat_sys_open_by_handle_at

ia32_syscall_end: