File 0102-Add-the-force-option.patch of Package btrfsprogs

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File 0102-Add-the-force-option.patch of Package btrfsprogs

From 8456dc84b0c7548ca4f83c4e58e8e9dd443b7686 Mon Sep 17 00:00:00 2001
From: Goffredo Baroncelli <kreijack@inwind.it>
Date: Mon, 3 Jan 2011 19:51:46 +0100
Subject: [PATCH 03/35] Add the --force option.

Add the --force option to not check if a device is already mounted.
---
 mkfs.c |   46 ++++++++++++++++++++++++++++------------------
 1 files changed, 28 insertions(+), 18 deletions(-)

diff --git a/mkfs.c b/mkfs.c
index e3ced19..be236d0 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -303,6 +303,7 @@ static void print_usage(void)
 	fprintf(stderr, "\t -A --alloc-start the offset to start the FS\n");
 	fprintf(stderr, "\t -b --byte-count total number of bytes in the FS\n");
 	fprintf(stderr, "\t -d --data data profile, raid0, raid1, raid10 or single\n");
+	fprintf(stderr, "\t -f --force don't check if a device is already mounted\n");
 	fprintf(stderr, "\t -l --leafsize size of btree leaves\n");
 	fprintf(stderr, "\t -L --label set a label\n");
 	fprintf(stderr, "\t -m --metadata metadata profile, values like data profile\n");
@@ -368,6 +369,7 @@ static struct option long_options[] = {
 	{ "data", 1, NULL, 'd' },
 	{ "version", 0, NULL, 'V' },
 	{ "rootdir", 1, NULL, 'r' },
+	{ "force", 0, NULL, 'f' },
 	{ 0, 0, 0, 0}
 };
 
@@ -1191,10 +1193,11 @@ int main(int ac, char **av)
 	u64 size_of_data = 0;
 	u64 source_dir_size = 0;
 	char *pretty_buf;
+	int force=0;
 
 	while(1) {
 		int c;
-		c = getopt_long(ac, av, "A:b:l:n:s:m:d:L:r:VM", long_options,
+		c = getopt_long(ac, av, "A:b:l:n:s:m:d:L:r:VMf", long_options,
 				&option_index);
 		if (c < 0)
 			break;
@@ -1240,6 +1243,8 @@ int main(int ac, char **av)
 			case 'r':
 				source_dir = optarg;
 				source_dir_set = 1;
+			case 'f':
+				force=1;
 				break;
 			default:
 				print_usage();
@@ -1263,14 +1268,17 @@ int main(int ac, char **av)
 
 	if (source_dir == 0) {
 		file = av[optind++];
-		ret = check_mounted(file);
-		if (ret < 0) {
-			fprintf(stderr, "error checking %s mount status\n", file);
-			exit(1);
-		}
-		if (ret == 1) {
-			fprintf(stderr, "%s is mounted\n", file);
-			exit(1);
+		if(!force){
+			ret = check_mounted(file);
+			if (ret < 0) {
+				fprintf(stderr, 
+				    "error checking %s mount status\n", file);
+				exit(1);
+			}
+			if (ret == 1) {
+				fprintf(stderr, "%s is mounted\n", file);
+				exit(1);
+			}
 		}
 		ac--;
 		fd = open(file, O_RDWR);
@@ -1353,15 +1361,17 @@ int main(int ac, char **av)
 		int old_mixed = mixed;
 
 		file = av[optind++];
-		ret = check_mounted(file);
-		if (ret < 0) {
-			fprintf(stderr, "error checking %s mount status\n",
-				file);
-			exit(1);
-		}
-		if (ret == 1) {
-			fprintf(stderr, "%s is mounted\n", file);
-			exit(1);
+		if(!force){
+			ret = check_mounted(file);
+			if (ret < 0) {
+				fprintf(stderr, "error checking %s"
+					" mount status\n",file);
+				exit(1);
+			}
+			if (ret == 1) {
+				fprintf(stderr, "%s is mounted\n", file);
+				exit(1);
+			}
 		}
 		fd = open(file, O_RDWR);
 		if (fd < 0) {
-- 
1.7.6.233.gd79bc

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File 0102-Add-the-force-option.patch of Package btrfsprogs

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