kern/44307: sysvbfs has problems with ftruncate()

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>Number:         44307
>Category:       kern
>Synopsis:       sysvbfs has problems with ftruncate()
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Jan 01 20:30:00 +0000 2011
>Originator:     Antti Kantee
>Release:        
>Organization:
>Environment:
>Description:
ftruncate() a file on sysvbfs.  at least stat() reports the wrong
size afterwards.
>How-To-Repeat:
tests/fs/vfs/t_io sysvbfs_extendfile_append
>Fix: