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dosfs: Ensure initially the sector size is used as bdbuf block size

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Ralf Kirchner
2013-10-18 12:08:00 -04:00
committed by Gedare Bloom
parent 0098c5221d
commit e89ed92495
1 changed files with 9 additions and 0 deletions
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9
cpukit/libfs/src/dosfs/fat.c
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@@ -544,6 +544,15 @@ fat_init_volume_info(fat_fs_info_t *fs_info, const char *device)
for (vol->sec_log2 = 0, i = vol->bps; (i & 1) == 0;
i >>= 1, vol->sec_log2++);
/* Assign the sector size as bdbuf block size for now.
* If possible the bdbuf block size will get increased to the cluster
* size at the end of this method for better performance */
sc = rtems_bdbuf_set_block_size (vol->dd, vol->bps, true);
if (sc != RTEMS_SUCCESSFUL)
{
close(vol->fd);
rtems_set_errno_and_return_minus_one( EINVAL );
}
vol->bytes_per_block = vol->bps;
vol->bytes_per_block_log2 = vol->sec_log2;
vol->sectors_per_block = 1;