C++ (Cpp) zpl_xattr_get_sa Examples

Example #1

File: zpl_xattr.c Project: krichter722/zfs

/* check where the xattr resides */
static int
__zpl_xattr_where(struct inode *ip, const char *name, int *where, cred_t *cr)
{
	znode_t *zp = ITOZ(ip);
	zfs_sb_t *zsb = ZTOZSB(zp);
	int error;

	ASSERT(where);
	ASSERT(RW_LOCK_HELD(&zp->z_xattr_lock));

	*where = XATTR_NOENT;
	if (zsb->z_use_sa && zp->z_is_sa) {
		error = zpl_xattr_get_sa(ip, name, NULL, 0);
		if (error >= 0)
			*where |= XATTR_IN_SA;
		else if (error != -ENOENT)
			return (error);
	}

	error = zpl_xattr_get_dir(ip, name, NULL, 0, cr);
	if (error >= 0)
		*where |= XATTR_IN_DIR;
	else if (error != -ENOENT)
		return (error);

	if (*where == (XATTR_IN_SA|XATTR_IN_DIR))
		cmn_err(CE_WARN, "ZFS: inode %p has xattr \"%s\""
		    " in both SA and dir", ip, name);
	if (*where == XATTR_NOENT)
		error = -ENODATA;
	else
		error = 0;
	return (error);
}

Example #2

File: zpl_xattr.c Project: mschirmacher/zfs

static int
__zpl_xattr_get(struct inode *ip, const char *name, void *value, size_t size,
    cred_t *cr)
{
	znode_t *zp = ITOZ(ip);
	zfs_sb_t *zsb = ZTOZSB(zp);
	int error;

	ASSERT(RW_LOCK_HELD(&zp->z_xattr_lock));

	if (zsb->z_use_sa && zp->z_is_sa) {
		error = zpl_xattr_get_sa(ip, name, value, size);
		if (error != -ENOENT)
			goto out;
	}

	error = zpl_xattr_get_dir(ip, name, value, size, cr);
out:
	if (error == -ENOENT)
		error = -ENODATA;

	return (error);
}