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* grub-core/kern/emu/hostdisk.c (grub_util_biosdisk_flush):

Browse source 
New function.
	(grub_util_biosdisk_close): Use grub_util_biosdisk_flush.
	* include/grub/emu/hostdisk.h (grub_util_biosdisk_flush): New proto.
	* util/grub-setup.c (setup): Use grub_util_biosdisk_flush.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-04-19 22:39:14 +02:00
parent bba79a1502
commit e8f28d4c0e
4 changed files with 35 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

29
grub-core/kern/emu/hostdisk.c
View file

@ -945,6 +945,27 @@ grub_util_biosdisk_write (grub_disk_t disk, grub_disk_addr_t sector,
return grub_errno;
}
grub_err_t
grub_util_biosdisk_flush (struct grub_disk *disk)
{
struct grub_util_biosdisk_data *data = disk->data;
if (disk->dev->id != GRUB_DISK_DEVICE_BIOSDISK_ID)
return GRUB_ERR_NONE;
if (data->fd == -1)
{
data->fd = open_device (disk, 0, O_RDONLY);
if (data->fd < 0)
return grub_errno;
}
fsync (data->fd);
#ifdef __linux__
if (data->is_disk)
ioctl (data->fd, BLKFLSBUF, 0);
#endif
return GRUB_ERR_NONE;
}
static void
grub_util_biosdisk_close (struct grub_disk *disk)
{
@ -954,13 +975,7 @@ grub_util_biosdisk_close (struct grub_disk *disk)
if (data->fd != -1)
{
if (data->access_mode == O_RDWR || data->access_mode == O_WRONLY)
{
fsync (data->fd);
#ifdef __linux__
if (data->is_disk)
ioctl (data->fd, BLKFLSBUF, 0);
#endif
}
grub_util_biosdisk_flush (disk);
close (data->fd);
}
free (data);