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Upstream-Status: inappropriate
From 3b9edc3e7c809f64dc164d73b64ab4a606ccfea1 Mon Sep 17 00:00:00 2001
From: Corey Minyard <cminyard@mvista.com>
Date: Fri, 3 Jun 2011 21:24:49 -0500
Subject: [PATCH 13/19] Add volume id support.
Add support for setting the volume id of the filesystem. This is
functionally the same as the patch from OpenEmbedded, but is built
on previous changes in this patch set.
---
genext2fs.8 | 3 +++
genext2fs.c | 12 ++++++++++--
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/genext2fs.8 b/genext2fs.8
index 0f77e7c..8b8db25 100644
--- a/genext2fs.8
+++ b/genext2fs.8
@@ -61,6 +61,9 @@ Size of the image in blocks.
.BI "\-N, \-\-number\-of\-inodes inodes"
Maximum number of inodes.
.TP
+.BI "\-L, \-\-volume\-id name"
+Set the volume id (volume name) for the filesystem.
+.TP
.BI "\-i, \-\-bytes\-per\-inode ratio"
Used to calculate the maximum number of inodes from the available blocks.
.TP
diff --git a/genext2fs.c b/genext2fs.c
index e420bba..4d01bc4 100644
--- a/genext2fs.c
+++ b/genext2fs.c
@@ -3058,6 +3058,7 @@ main(int argc, char **argv)
int squash_perms = 0;
uint16 endian = 1;
int bigendian = !*(char*)&endian;
+ char *volumelabel = NULL;
filesystem *fs;
int i;
int c;
@@ -3071,6 +3072,7 @@ main(int argc, char **argv)
{ "size-in-blocks", required_argument, NULL, 'b' },
{ "bytes-per-inode", required_argument, NULL, 'i' },
{ "number-of-inodes", required_argument, NULL, 'N' },
+ { "volume-label", required_argument, NULL, 'L' },
{ "reserved-percentage", required_argument, NULL, 'm' },
{ "block-map", required_argument, NULL, 'g' },
{ "fill-value", required_argument, NULL, 'e' },
@@ -3087,11 +3089,11 @@ main(int argc, char **argv)
app_name = argv[0];
- while((c = getopt_long(argc, argv, "x:d:D:b:i:N:m:g:e:zfqUPhVv", longopts, NULL)) != EOF) {
+ while((c = getopt_long(argc, argv, "x:d:D:b:i:N:L:m:g:e:zfqUPhVv", longopts, NULL)) != EOF) {
#else
app_name = argv[0];
- while((c = getopt(argc, argv, "x:d:D:b:i:N:m:g:e:zfqUPhVv")) != EOF) {
+ while((c = getopt(argc, argv, "x:d:D:b:i:N:L:m:g:e:zfqUPhVv")) != EOF) {
#endif /* HAVE_GETOPT_LONG */
switch(c)
{
@@ -3111,6 +3113,9 @@ main(int argc, char **argv)
case 'N':
nbinodes = SI_atof(optarg);
break;
+ case 'L':
+ volumelabel = optarg;
+ break;
case 'm':
reserved_frac = SI_atof(optarg) / 100;
break;
@@ -3199,6 +3204,9 @@ main(int argc, char **argv)
fs = init_fs(nbblocks, nbinodes, nbresrvd, holes, fs_timestamp,
bigendian, fsout);
}
+ if (volumelabel != NULL)
+ strncpy((char *)fs->sb->s_volume_name, volumelabel,
+ sizeof(fs->sb->s_volume_name));
populate_fs(fs, dopt, didx, squash_uids, squash_perms, fs_timestamp, NULL);
--
1.7.4.1
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