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VFS: panic when unmount_all fails

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This commit is contained in:
Thomas Veerman 2012-09-04 12:11:54 +00:00
parent 992799b91f
commit 3881e732a9
1 changed files with 11 additions and 1 deletions
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12
servers/vfs/mount.c
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@ -453,7 +453,7 @@ int do_umount(void)
/*===========================================================================* /*===========================================================================*
* unmount * * unmount *
*===========================================================================*/ *===========================================================================*/
int unmount( int unmount(
dev_t dev, /* block-special device */ dev_t dev, /* block-special device */
@ -551,10 +551,20 @@ void unmount_all(void)
unmount(vmp->m_dev, NULL); unmount(vmp->m_dev, NULL);
} }
} }
/* Verify nothing is locked anymore */
check_vnode_locks(); check_vnode_locks();
check_vmnt_locks(); check_vmnt_locks();
check_filp_locks(); check_filp_locks();
check_bsf_lock(); check_bsf_lock();
/* Verify we succesfully unmounted all file systems */
for (vmp = &vmnt[0]; vmp < &vmnt[NR_MNTS]; vmp++) {
if (vmp->m_dev != NO_DEV) {
panic("vmp still mounted: %s %d %d\n", vmp->m_label,
vmp->m_fs_e, vmp->m_dev);
}
}
} }
/*===========================================================================* /*===========================================================================*