xfs: remove xfs_errortag_set

xfs_errortag_set is only called by xfs_errortag_attr_store, , which does
not need to validate the error tag, because it can only be called on
valid error tags that had a sysfs attribute registered.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>

Author: Christoph Hellwig

fs/xfs/xfs_error.c

@@ -93,21 +93,18 @@ xfs_errortag_attr_store(
 	size_t			count)
 {
 	struct xfs_mount	*mp = to_mp(kobject);
-	struct xfs_errortag_attr *xfs_attr = to_attr(attr);
+	unsigned int		error_tag = to_attr(attr)->tag;
 	int			ret;
-	unsigned int		val;
 
 	if (strcmp(buf, "default") == 0) {
-		val = xfs_errortag_random_default[xfs_attr->tag];
+		mp->m_errortag[error_tag] =
+			xfs_errortag_random_default[error_tag];
 	} else {
-		ret = kstrtouint(buf, 0, &val);
+		ret = kstrtouint(buf, 0, &mp->m_errortag[error_tag]);
 		if (ret)
 			return ret;
 	}
 
-	ret = xfs_errortag_set(mp, xfs_attr->tag, val);
-	if (ret)
-		return ret;
 	return count;
 }
 
@@ -325,19 +322,6 @@ xfs_errortag_test(
 	return true;
 }
 
-int
-xfs_errortag_set(
-	struct xfs_mount	*mp,
-	unsigned int		error_tag,
-	unsigned int		tag_value)
-{
-	if (!xfs_errortag_valid(error_tag))
-		return -EINVAL;
-
-	mp->m_errortag[error_tag] = tag_value;
-	return 0;
-}
-
 int
 xfs_errortag_add(
 	struct xfs_mount	*mp,
@@ -347,9 +331,8 @@ xfs_errortag_add(
 
 	if (!xfs_errortag_valid(error_tag))
 		return -EINVAL;
-
-	return xfs_errortag_set(mp, error_tag,
-			xfs_errortag_random_default[error_tag]);
+	mp->m_errortag[error_tag] = xfs_errortag_random_default[error_tag];
+	return 0;
 }
 
 int

fs/xfs/xfs_error.h

@@ -58,16 +58,13 @@ bool xfs_errortag_enabled(struct xfs_mount *mp, unsigned int tag);
 		mdelay((mp)->m_errortag[(tag)]); \
 	} while (0)
 
-extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag,
-		unsigned int tag_value);
 extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag);
 extern int xfs_errortag_clearall(struct xfs_mount *mp);
 #else
 #define xfs_errortag_init(mp)			(0)
 #define xfs_errortag_del(mp)
 #define XFS_TEST_ERROR(expr, mp, tag)		(expr)
 #define XFS_ERRORTAG_DELAY(mp, tag)		((void)0)
-#define xfs_errortag_set(mp, tag, val)		(ENOSYS)
 #define xfs_errortag_add(mp, tag)		(ENOSYS)
 #define xfs_errortag_clearall(mp)		(ENOSYS)
 #endif /* DEBUG */