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Re: CVS commit: src/external/cddl/osnet/dist/uts/common/fs/zfs
On Wed, Oct 28, 2009 at 11:44:51PM +0000, Adam Hamsik wrote:
> Module Name: src
> Committed By: haad
> Date: Wed Oct 28 23:44:51 UTC 2009
> Modified Files:
> src/external/cddl/osnet/dist/uts/common/fs/zfs: zfs_vnops.c zfs_znode.c
> Log Message:
> Add workaround about zfs vnode reclaiming deadlock by checking if we don't
> ehld ZFS_MUTEX_OBJ already. If we can lock OBJ_MUTEX deffer execution of
> zfs_zinactive to taskq. Code was inspired by FreeBSD zfs_freebsd_reclaim.
This doesn't sound right at all ...
If the 'If we can lock OBJ_MUTEX' test is a try_mutex_enter() then
it may fail because another lwp owns it ...
I hope it is only the checkin comment that is inverted!
David Laight: david%l8s.co.uk@localhost
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