/* FsMountVol : mount the file system volume */
INT32 FsMountVol(struct super_block *sb)
{
INT32 err, drv;
sm_P(&z_sem);
for (drv = 0; drv < MAX_DRIVE; drv++) {
if (!fs_struct[drv].mounted) break;
}
if (drv >= MAX_DRIVE) {
err = FFS_ERROR;
goto ret_unlock;
}
sm_P(&(fs_struct[drv].v_sem));
err = buf_init(sb);
if (!err) {
err = ffsMountVol(sb, drv);
}
sm_V(&(fs_struct[drv].v_sem));
if (!err) {
fs_struct[drv].mounted = TRUE;
fs_struct[drv].sb = sb;
} else {
buf_shutdown(sb);
}
ret_unlock:
sm_V(&z_sem);
return(err);
} /* end of FsMountVol */
/* FsMountVol : mount the file system volume */
int FsMountVol(struct super_block *sb)
{
int err;
sm_P(&z_sem);
err = buf_init(sb);
if (!err)
err = ffsMountVol(sb);
else
buf_shutdown(sb);
sm_V(&z_sem);
return err;
} /* end of FsMountVol */
INT32 FsMountVol(struct super_block *sb)
{
INT32 err, drv;
sm_P(&z_sem);
for (drv = 0; drv < MAX_DRIVE; drv++) {
if (!fs_struct[drv].mounted) break;
}
if (drv >= MAX_DRIVE) {
/*
* LGE_CHANGE_S
* Date : 2015.03.05
* Author : [email protected]
* Comment : Release semaphore (z_sem) in error condition.
* In case of attaching storage more than MAX_DRIVE(2),
* mount fails and no more access on exFAT.
*/
printk(KERN_ERR "%s: drv : %d, MAX_DRIVE : %d\n",
__func__, drv, MAX_DRIVE);
sm_V(&z_sem);
return FFS_ERROR;
}
sm_P(&(fs_struct[drv].v_sem));
err = buf_init(sb);
if (!err) {
err = ffsMountVol(sb, drv);
}
sm_V(&(fs_struct[drv].v_sem));
if (!err) {
fs_struct[drv].mounted = TRUE;
fs_struct[drv].sb = sb;
} else {
buf_shutdown(sb);
}
sm_V(&z_sem);
return(err);
}
