cvs commit: src/sys/coda coda_vnops.c src/sys/compat/linux linux_getcwd.c src/sys/fs/devfs devfs_vnops.c src/sys/fs/hpfs hpfs_vnops.c src/sys/fs/msdosfs msdosfs_lookup.c src/sys/fs/nwfs nwfs_vnops.c src/sys/fs/pseudofs pseudofs_vnops.c src/sys/fs/smbfs ...

Alfred Perlstein alfred at freebsd.org
Wed Apr 13 12:57:41 PDT 2005


* Jeff Roberson <jeff at FreeBSD.org> [050413 03:59] wrote:
> jeff        2005-04-13 10:59:10 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/coda             coda_vnops.c 
>     sys/compat/linux     linux_getcwd.c 
>   Log:
>    - Change all filesystems and vfs_cache to relock the dvp once the child is
>      locked in the ISDOTDOT case.  Se vfs_lookup.c r1.79 for details.

Sorry to bumble into your way, but can you explain this?  I thought
the lock order was always dvp->vp, doing a vp->dvp lock is a reversal
and can cause deadlock.  I guess I'm missing something, can you explain
please?

-- 
- Alfred Perlstein
- email: bright at mu.org cell: 408-480-4684


More information about the cvs-all mailing list