Konstantin Belousov 6f30ac9995 Call softdep_prealloc() before taking ffs_lock_ea(), if unlock is committing
softdep_prealloc() must be called to ensure enough journal space is
available, before ffs_extwrite(). Also it must be done before taking
ffs_lock_ea(), because it calls ffs_syncvnode(), potentially dropping
the vnode lock.

Reviewed by:	mckusick
Tested by:	pho
MFC after:      1 week
Sponsored by:   The FreeBSD Foundation
2021-02-24 09:55:21 +02:00
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