Ejemplos de gfs2_quota_change en C++ (Cpp)

Ejemplo n.º 1

Archivo: ops_inode.c Proyecto: maraz/linux-2.6

static int setattr_chown(struct inode *inode, struct iattr *attr)
{
	struct gfs2_inode *ip = GFS2_I(inode);
	struct gfs2_sbd *sdp = GFS2_SB(inode);
	struct buffer_head *dibh;
	u32 ouid, ogid, nuid, ngid;
	int error;

	ouid = inode->i_uid;
	ogid = inode->i_gid;
	nuid = attr->ia_uid;
	ngid = attr->ia_gid;

	if (!(attr->ia_valid & ATTR_UID) || ouid == nuid)
		ouid = nuid = NO_QUOTA_CHANGE;
	if (!(attr->ia_valid & ATTR_GID) || ogid == ngid)
		ogid = ngid = NO_QUOTA_CHANGE;

	if (!gfs2_alloc_get(ip))
		return -ENOMEM;

	error = gfs2_quota_lock(ip, nuid, ngid);
	if (error)
		goto out_alloc;

	if (ouid != NO_QUOTA_CHANGE || ogid != NO_QUOTA_CHANGE) {
		error = gfs2_quota_check(ip, nuid, ngid);
		if (error)
			goto out_gunlock_q;
	}

	error = gfs2_trans_begin(sdp, RES_DINODE + 2 * RES_QUOTA, 0);
	if (error)
		goto out_gunlock_q;

	error = gfs2_meta_inode_buffer(ip, &dibh);
	if (error)
		goto out_end_trans;

	error = inode_setattr(inode, attr);
	gfs2_assert_warn(sdp, !error);

	gfs2_trans_add_bh(ip->i_gl, dibh, 1);
	gfs2_dinode_out(ip, dibh->b_data);
	brelse(dibh);

	if (ouid != NO_QUOTA_CHANGE || ogid != NO_QUOTA_CHANGE) {
		u64 blocks = gfs2_get_inode_blocks(&ip->i_inode);
		gfs2_quota_change(ip, -blocks, ouid, ogid);
		gfs2_quota_change(ip, blocks, nuid, ngid);
	}

out_end_trans:
	gfs2_trans_end(sdp);
out_gunlock_q:
	gfs2_quota_unlock(ip);
out_alloc:
	gfs2_alloc_put(ip);
	return error;
}

Ejemplo n.º 2

Archivo: inode.c Proyecto: Adjustxx/Savaged-Zen

static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
		       unsigned int mode, const struct gfs2_inum_host *inum,
		       const u64 *generation, dev_t dev, struct buffer_head **bhp)
{
	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
	unsigned int uid, gid;
	int error;

	munge_mode_uid_gid(dip, &mode, &uid, &gid);
	if (!gfs2_alloc_get(dip))
		return -ENOMEM;

	error = gfs2_quota_lock(dip, uid, gid);
	if (error)
		goto out;

	error = gfs2_quota_check(dip, uid, gid);
	if (error)
		goto out_quota;

	error = gfs2_trans_begin(sdp, RES_DINODE + RES_QUOTA, 0);
	if (error)
		goto out_quota;

	init_dinode(dip, gl, inum, mode, uid, gid, generation, dev, bhp);
	gfs2_quota_change(dip, +1, uid, gid);
	gfs2_trans_end(sdp);

out_quota:
	gfs2_quota_unlock(dip);
out:
	gfs2_alloc_put(dip);
	return error;
}

Ejemplo n.º 3

static int make_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip,
		       const char *symname, struct buffer_head **bhp)
{
	struct inode *inode = &ip->i_inode;
	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
	int error;

	error = gfs2_rindex_update(sdp);
	if (error)
		return error;

	error = gfs2_quota_lock(dip, inode->i_uid, inode->i_gid);
	if (error)
		return error;

	error = gfs2_quota_check(dip, inode->i_uid, inode->i_gid);
	if (error)
		goto out_quota;

	error = gfs2_trans_begin(sdp, RES_DINODE + RES_QUOTA, 0);
	if (error)
		goto out_quota;

	init_dinode(dip, ip, symname, bhp);
	gfs2_quota_change(dip, +1, inode->i_uid, inode->i_gid);
	gfs2_trans_end(sdp);

out_quota:
	gfs2_quota_unlock(dip);
	return error;
}