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vfs_bind_mount_directory(): Fail if unmounting

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Ingo Weinhold
2011-07-17 16:54:23 +02:00
parent 19c48aa4ae
commit 0be138ab2f
1 changed files with 3 additions and 1 deletions
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src/system/kernel/fs/vfs.cpp
+3 -1
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@@ -5019,8 +5019,10 @@ vfs_bind_mount_directory(dev_t mountID, ino_t nodeID, dev_t coveredMountID,
// establish the covered/covering links // establish the covered/covering links
WriteLocker locker(sVnodeLock); WriteLocker locker(sVnodeLock);
if (vnode->covers != NULL || coveredVnode->covered_by != NULL) if (vnode->covers != NULL || coveredVnode->covered_by != NULL
|| vnode->mount->unmounting || coveredVnode->mount->unmounting) {
return B_BUSY; return B_BUSY;
}
vnode->covers = coveredVnode; vnode->covers = coveredVnode;
vnode->SetCovering(true); vnode->SetCovering(true);