[PATCH 1/3] mke2fs: print a message when creating a regular file

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Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
---
 misc/mke2fs.c |  6 ++++--
 misc/util.c   | 11 +++++++----
 misc/util.h   |  1 +
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/misc/mke2fs.c b/misc/mke2fs.c
index 2c51999..51532ef 100644
--- a/misc/mke2fs.c
+++ b/misc/mke2fs.c
@@ -103,6 +103,7 @@ static int	quotatype = -1;  /* Initialize both user and group quotas by default
 static __u64	offset;
 static blk64_t journal_location = ~0LL;
 static int	proceed_delay = -1;
+static blk64_t	dev_size;
 
 static struct ext2_super_block fs_param;
 static char *fs_uuid = NULL;
@@ -1402,7 +1403,6 @@ static void PRS(int argc, char *argv[])
 	char *		extended_opts = 0;
 	char *		fs_type = 0;
 	char *		usage_types = 0;
-	blk64_t		dev_size;
 	/*
 	 * NOTE: A few words about fs_blocks_count and blocksize:
 	 *
@@ -1768,6 +1768,8 @@ profile_error:
 	flags = CREATE_FILE;
 	if (isatty(0) && isatty(1))
 		flags |= CHECK_FS_EXIST;
+	if (!quiet)
+		flags |= VERBOSE_CREATE;
 	if (!check_plausibility(device_name, flags, &is_device) && !force)
 		proceed_question(proceed_delay);
 
@@ -2573,7 +2575,7 @@ int main (int argc, char *argv[])
 		journal_blocks = figure_journal_size(journal_size, fs);
 
 	/* Can't undo discard ... */
-	if (!noaction && discard && (io_ptr != undo_io_manager)) {
+	if (!noaction && discard && dev_size && (io_ptr != undo_io_manager)) {
 		retval = mke2fs_discard_device(fs);
 		if (!retval && io_channel_discard_zeroes_data(fs->io)) {
 			if (verbose)
diff --git a/misc/util.c b/misc/util.c
index be16ebe..15b4ce5 100644
--- a/misc/util.c
+++ b/misc/util.c
@@ -106,7 +106,7 @@ void proceed_question(int delay)
 }
 
 /*
- * return 1 if the device looks plausible
+ * return 1 if the device looks plausible, creating the file if necessary
  */
 int check_plausibility(const char *device, int flags, int *ret_is_dev)
 {
@@ -117,10 +117,13 @@ int check_plausibility(const char *device, int flags, int *ret_is_dev)
 	char *fs_type = NULL;
 	char *fs_label = NULL;
 
-	if (flags & CREATE_FILE)
-		fl |= O_CREAT;
-
 	fd = open(device, fl, 0666);
+	if ((fd < 0) && (errno == ENOENT) && (flags & CREATE_FILE)) {
+		fl |= O_CREAT;
+		fd = open(device, fl, 0666);
+		if (fd >= 0 && (flags & VERBOSE_CREATE))
+			printf(_("Creating regular file %s\n"), device);
+	}
 	if (fd < 0) {
 		fprintf(stderr, _("Could not open %s: %s\n"),
 			device, error_message(errno));
diff --git a/misc/util.h b/misc/util.h
index 745568e..476164b 100644
--- a/misc/util.h
+++ b/misc/util.h
@@ -21,6 +21,7 @@ extern char	*journal_location_string;
 #define CHECK_BLOCK_DEV	0x0001
 #define CREATE_FILE	0x0002
 #define CHECK_FS_EXIST	0x0004
+#define VERBOSE_CREATE	0x0008
 
 #ifndef HAVE_STRCASECMP
 extern int strcasecmp (char *s1, char *s2);
-- 
1.9.0

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