Esempi in C++ (Cpp) per setattr_mask

Esempio n. 1

File: attr.c Progetto: JBTech/ralink_rt5350

int notify_change(struct dentry * dentry, struct iattr * attr)
{
	struct inode *inode = dentry->d_inode;
	int error;
	time_t now = CURRENT_TIME;
	unsigned int ia_valid = attr->ia_valid;

	if (!inode)
		BUG();

	attr->ia_ctime = now;
	if (!(ia_valid & ATTR_ATIME_SET))
		attr->ia_atime = now;
	if (!(ia_valid & ATTR_MTIME_SET))
		attr->ia_mtime = now;

	lock_kernel();
	if (inode->i_op && inode->i_op->setattr) 
		error = inode->i_op->setattr(dentry, attr);
	else {
		error = inode_change_ok(inode, attr);
		if (!error) {
			if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
			    (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid))
				error = DQUOT_TRANSFER(inode, attr) ? -EDQUOT : 0;
			if (!error)
				error = inode_setattr(inode, attr);
		}
	}
	unlock_kernel();
	if (!error) {
		unsigned long dn_mask = setattr_mask(ia_valid);
		if (dn_mask)
			dnotify_parent(dentry, dn_mask);
	}
	return error;
}

Esempio n. 2

File: attr.c Progetto: GodFox/magx_kernel_xpixl

int notify_change(struct dentry * dentry, struct iattr * attr)
{
	struct inode *inode = dentry->d_inode;
	mode_t mode = inode->i_mode;
	int error;
	struct timespec now = CURRENT_TIME;
	unsigned int ia_valid = attr->ia_valid;

	if (!inode)
		BUG();

	attr->ia_ctime = now;
	if (!(ia_valid & ATTR_ATIME_SET))
		attr->ia_atime = now;
	if (!(ia_valid & ATTR_MTIME_SET))
		attr->ia_mtime = now;
	if (ia_valid & ATTR_KILL_SUID) {
		attr->ia_valid &= ~ATTR_KILL_SUID;
		if (mode & S_ISUID) {
			if (!(ia_valid & ATTR_MODE)) {
				ia_valid = attr->ia_valid |= ATTR_MODE;
				attr->ia_mode = inode->i_mode;
			}
			attr->ia_mode &= ~S_ISUID;
		}
	}
	if (ia_valid & ATTR_KILL_SGID) {
		attr->ia_valid &= ~ ATTR_KILL_SGID;
		if ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) {
			if (!(ia_valid & ATTR_MODE)) {
				ia_valid = attr->ia_valid |= ATTR_MODE;
				attr->ia_mode = inode->i_mode;
			}
			attr->ia_mode &= ~S_ISGID;
		}
	}
	if (!attr->ia_valid)
		return 0;

	if (inode->i_op && inode->i_op->setattr) {
		error = security_inode_setattr(dentry, attr);
		if (!error)
			error = inode->i_op->setattr(dentry, attr);
	} else {
		error = inode_change_ok(inode, attr);
		if (!error)
			error = security_inode_setattr(dentry, attr);
		if (!error) {
			if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
			    (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid))
				error = DQUOT_TRANSFER(inode, attr) ? -EDQUOT : 0;
			if (!error)
				error = inode_setattr(inode, attr);
		}
	}
	if (!error) {
#ifdef CONFIG_MOT_FEAT_INOTIFY
		fsnotify_change(dentry, ia_valid);
#else
		unsigned long dn_mask = setattr_mask(ia_valid);
		if (dn_mask)
			dnotify_parent(dentry, dn_mask);
#endif
	}
	return error;
}