C++ (Cpp) au_hn_suspendの例

コード例 #1

ファイル: vfsub.c プロジェクト: rice-american/abuilds

struct dentry *vfsub_lock_rename(struct dentry *d1, struct au_hinode *hdir1,
				 struct dentry *d2, struct au_hinode *hdir2)
{
	struct dentry *d;

	lockdep_off();
	d = lock_rename(d1, d2);
	lockdep_on();
	au_hn_suspend(hdir1);
	if (hdir1 != hdir2)
		au_hn_suspend(hdir2);

	return d;
}

コード例 #2

ファイル: vfsub.c プロジェクト: chrmorais/miniemc2

struct dentry *vfsub_lookup_hash(struct nameidata *nd)
{
	struct path path = {
		.mnt = nd->path.mnt
	};

	IMustLock(nd->path.dentry->d_inode);

	path.dentry = lookup_hash(nd);
	if (IS_ERR(path.dentry))
		goto out;
	if (path.dentry->d_inode)
		vfsub_update_h_iattr(&path, /*did*/NULL); /*ignore*/

 out:
	AuTraceErrPtr(path.dentry);
	return path.dentry;
}

/* ---------------------------------------------------------------------- */

struct dentry *vfsub_lock_rename(struct dentry *d1, struct au_hinode *hdir1,
				 struct dentry *d2, struct au_hinode *hdir2)
{
	struct dentry *d;

	lockdep_off();
	d = lock_rename(d1, d2);
	lockdep_on();
	au_hn_suspend(hdir1);
	if (hdir1 != hdir2)
		au_hn_suspend(hdir2);

	return d;
}

void vfsub_unlock_rename(struct dentry *d1, struct au_hinode *hdir1,
			 struct dentry *d2, struct au_hinode *hdir2)
{
	au_hn_resume(hdir1);
	if (hdir1 != hdir2)
		au_hn_resume(hdir2);
	lockdep_off();
	unlock_rename(d1, d2);
	lockdep_on();
}

コード例 #3

ファイル: vfsub.c プロジェクト: aywq2008/omniplay

struct dentry *vfsub_lookup_hash(struct nameidata *nd)
{
	struct path path = {
		.mnt = nd->path.mnt
	};

	IMustLock(nd->path.dentry->d_inode);

	path.dentry = lookup_hash(nd);
	if (IS_ERR(path.dentry))
		goto out;
	if (path.dentry->d_inode)
		vfsub_update_h_iattr(&path, /*did*/NULL); /*ignore*/

out:
	AuTraceErrPtr(path.dentry);
	return path.dentry;
}

/*
 * this is "VFS:__lookup_one_len()" which was removed and merged into
 * VFS:lookup_one_len() by the commit.
 *	6a96ba5 2011-03-14 kill __lookup_one_len()
 * this function should always be equivalent to the corresponding part in
 * VFS:lookup_one_len().
 */
int vfsub_name_hash(const char *name, struct qstr *this, int len)
{
	unsigned int c;

	this->name = name;
	this->len = len;
	this->hash = full_name_hash(name, len);
	if (!len)
		return -EACCES;

	while (len--) {
		c = *(const unsigned char *)name++;
		if (c == '/' || c == '\0')
			return -EACCES;
	}
	return 0;
}

/* ---------------------------------------------------------------------- */

struct dentry *vfsub_lock_rename(struct dentry *d1, struct au_hinode *hdir1,
				 struct dentry *d2, struct au_hinode *hdir2)
{
	struct dentry *d;

	lockdep_off();
	d = lock_rename(d1, d2);
	lockdep_on();
	au_hn_suspend(hdir1);
	if (hdir1 != hdir2)
		au_hn_suspend(hdir2);

	return d;
}

void vfsub_unlock_rename(struct dentry *d1, struct au_hinode *hdir1,
			 struct dentry *d2, struct au_hinode *hdir2)
{
	au_hn_resume(hdir1);
	if (hdir1 != hdir2)
		au_hn_resume(hdir2);
	lockdep_off();
	unlock_rename(d1, d2);
	lockdep_on();
}