[PATCH v2 3/5] mkfs: replace defaults source with an enum

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Using an enum will let us later just use a switch statement to print
out the source, this makes sources easier to document, update and
manage.

Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxx>
---
 mkfs/xfs_mkfs.c        |  5 +++--
 mkfs/xfs_mkfs_common.h | 13 ++++++++++++-
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index ac97039abc34..de0eab3f68e0 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -3697,7 +3697,7 @@ main(
 
 	/* build time defaults */
 	struct mkfs_default_params	dft = {
-		.source = _("package build definitions"),
+		.type = DEFAULTS_BUILTIN,
 		.sectorsize = XFS_MIN_SECTORSIZE,
 		.blocksize = 1 << XFS_DFL_BLOCKSIZE_LOG,
 		.sb_feat = {
@@ -3737,7 +3737,8 @@ main(
 	 * implemented, emit a message to indicate where the defaults being
 	 * used came from.
 	 *
-	 * printf(_("Default configuration sourced from %s\n"), dft.source);
+	 * printf(_("Default configuration sourced from %s\n"),
+	 *	  default_type_str(dft.type));
 	 */
 
 	/* copy new defaults into CLI parsing structure */
diff --git a/mkfs/xfs_mkfs_common.h b/mkfs/xfs_mkfs_common.h
index 9b0f67b70cf1..d867ab377185 100644
--- a/mkfs/xfs_mkfs_common.h
+++ b/mkfs/xfs_mkfs_common.h
@@ -40,6 +40,17 @@ struct sb_feat_args {
 	bool	nortalign;
 };
 
+/*
+ * File configuration type settings
+ *
+ * These are the different possibilities by which you can end up parsing
+ * default settings with. DEFAULTS_BUILTIN indicates there was no configuration
+ * file parsed and we are using the built-in defaults on this code.
+ */
+enum default_params_type {
+	DEFAULTS_BUILTIN = 0,
+};
+
 /*
  * Default filesystem features and configuration values
  *
@@ -49,7 +60,7 @@ struct sb_feat_args {
  * calculations.
  */
 struct mkfs_default_params {
-	char	*source;	/* where the defaults came from */
+	enum default_params_type type; /* where the defaults came from */
 
 	int	sectorsize;
 	int	blocksize;
-- 
2.16.3

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