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| author | Dan Williams <dan.j.williams@intel.com> | 2008-06-16 15:36:40 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2008-06-16 15:36:40 -0700 |
| commit | 551c80c1c16545b0daaac74d770e5bedf1ad4f0a (patch) | |
| tree | bd2f80835a0701436fa0776cd35096fdb353768a /super-intel.c | |
| parent | 4a04ec6ca1a0e013d857ac8993d38752a6223fc2 (diff) | |
| download | mdadm-551c80c1c16545b0daaac74d770e5bedf1ad4f0a.tar.gz mdadm-551c80c1c16545b0daaac74d770e5bedf1ad4f0a.tar.xz mdadm-551c80c1c16545b0daaac74d770e5bedf1ad4f0a.zip | |
imsm: implement store_zero_imsm and init_zero_imsm
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'super-intel.c')
| -rw-r--r-- | super-intel.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/super-intel.c b/super-intel.c index 77892dd..c8419f0 100644 --- a/super-intel.c +++ b/super-intel.c @@ -1031,8 +1031,7 @@ static int init_zero_imsm(struct supertype *st, mdu_array_info_t *info, unsigned long long size, char *name, char *homehost, int *uuid) { - printf("%s\n", __FUNCTION__); - + st->sb = NULL; return 0; } @@ -1269,7 +1268,18 @@ static int write_init_super_imsm(struct supertype *st) static int store_zero_imsm(struct supertype *st, int fd) { - printf("%s\n", __FUNCTION__); + unsigned long long dsize; + char buf[512]; + + get_dev_size(fd, NULL, &dsize); + + /* first block is stored on second to last sector of the disk */ + if (lseek64(fd, dsize - (512 * 2), SEEK_SET) < 0) + return 1; + + memset(buf, 0, sizeof(buf)); + if (write(fd, buf, sizeof(buf)) != sizeof(buf)) + return 1; return 0; } |