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Diffstat (limited to 'cpukit/libfs/src/dosfs/msdos_format.c')
-rw-r--r--cpukit/libfs/src/dosfs/msdos_format.c32
1 files changed, 13 insertions, 19 deletions
diff --git a/cpukit/libfs/src/dosfs/msdos_format.c b/cpukit/libfs/src/dosfs/msdos_format.c
index 1394f811c4..2a9d09048f 100644
--- a/cpukit/libfs/src/dosfs/msdos_format.c
+++ b/cpukit/libfs/src/dosfs/msdos_format.c
@@ -370,7 +370,7 @@ static int msdos_format_determine_fmt_params
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
- const rtems_disk_device *dd, /* disk device structure */
+ int fd, /* disk file descriptor */
const msdos_format_request_param_t *rqdata, /* requested fmt parameters */
msdos_format_param_t *fmt_params/* computed fmt parameters */
)
@@ -386,18 +386,24 @@ static int msdos_format_determine_fmt_params
uint64_t total_size = 0;
memset(fmt_params,0,sizeof(*fmt_params));
+
/*
* this one is fixed in this implementation.
* At least one thing we don't have to magically guess...
*/
if (ret_val == 0) {
- fmt_params->bytes_per_sector = dd->block_size;
- fmt_params->totl_sector_cnt = dd->size;
- total_size = dd->block_size * dd->size;
+ ret_val = rtems_disk_fd_get_block_size(fd, &fmt_params->bytes_per_sector);
+ }
+ if (ret_val == 0) {
+ ret_val = rtems_disk_fd_get_block_count(fd, &fmt_params->totl_sector_cnt);
+ }
+ if (ret_val == 0) {
+ total_size = fmt_params->bytes_per_sector * fmt_params->totl_sector_cnt;
msdos_format_printf (rqdata, MSDOS_FMT_INFO_LEVEL_DETAIL,
"bytes per sector: %d\ntotal sectors: %d\ntotal size: %lu\n",
- dd->block_size, dd->size, total_size);
+ fmt_params->bytes_per_sector, fmt_params->totl_sector_cnt, total_size);
}
+
/*
* determine number of FATs
*/
@@ -889,7 +895,6 @@ int msdos_format
{
char tmp_sec[FAT_TOTAL_MBR_SIZE];
int rc;
- rtems_disk_device *dd = NULL;
struct stat stat_buf;
int ret_val = 0;
int fd = -1;
@@ -923,20 +928,11 @@ int msdos_format
ret_val = -1;
}
- /* check that device is registered as block device and lock it */
- if (ret_val == 0) {
- dd = rtems_disk_obtain(stat_buf.st_rdev);
- if (dd == NULL) {
- errno = ENOTTY;
- ret_val = -1;
- }
- }
-
/*
* compute formatting parameters
*/
if (ret_val == 0) {
- ret_val = msdos_format_determine_fmt_params(dd,rqdata,&fmt_params);
+ ret_val = msdos_format_determine_fmt_params(fd,rqdata,&fmt_params);
}
/*
* if requested, write whole disk/partition with 0xe5
@@ -1120,8 +1116,6 @@ int msdos_format
if (fd != -1) {
close(fd);
}
- if (dd != NULL) {
- rtems_disk_release(dd);
- }
+
return ret_val;
}