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vfs_bind_mount_directory(): Fail if unmounting

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This commit is contained in:
Ingo Weinhold 2011-06-21 23:26:23 +02:00
parent 19c48aa4ae
commit 0be138ab2f
1 changed files with 3 additions and 1 deletions
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4
src/system/kernel/fs/vfs.cpp
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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
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;
}
vnode->covers = coveredVnode;
vnode->SetCovering(true);