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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2012-01-11 01:02:31 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2012-01-11 01:02:31 +0100 |
| commit | 7550201e9ac93e885e98feca1739921f73efcabd (patch) | |
| tree | e1efb2d62b55ba0f6fce8efa8389d87ac6334e1b | |
| parent | 499597d6efb0de5bb6d6f52bda1f348478d7f5a9 (diff) | |
| download | busybox-7550201e9ac93e885e98feca1739921f73efcabd.tar.gz | |
mke2fs: do not zero out first kilobyte. Closes 3247
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | util-linux/mkfs_ext2.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/util-linux/mkfs_ext2.c b/util-linux/mkfs_ext2.c index f6ccc9c9e..6cbbe0e07 100644 --- a/util-linux/mkfs_ext2.c +++ b/util-linux/mkfs_ext2.c @@ -615,7 +615,11 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv) // zero boot sectors memset(buf, 0, blocksize); - PUT(0, buf, 1024); // N.B. 1024 <= blocksize, so buf[0..1023] contains zeros + // Disabled: standard mke2fs doesn't do this, and + // on SPARC this destroys Sun disklabel. + // Users who need/want zeroing can easily do it with dd. + //PUT(0, buf, 1024); // N.B. 1024 <= blocksize, so buf[0..1023] contains zeros + // zero inode tables for (i = 0; i < ngroups; ++i) for (n = 0; n < inode_table_blocks; ++n) |