cvs commit: src/sys/geom/mirror g_mirror.c
Pawel Jakub Dawidek
pjd at FreeBSD.org
Sun Sep 26 13:41:08 PDT 2004
pjd 2004-09-26 20:41:07 UTC
FreeBSD src repository
Avoid race while synchronizing components. It is very hard to bump into,
but it is possible:
1. Read data from good component for synchronization.
2. Write data to the same area.
3. Write synchronization data, which are now stale.
Found by: tegge
Revision Changes Path
1.30 +31 -8 src/sys/geom/mirror/g_mirror.c
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