kib 24abfe4267 Improve publication of the newly allocated snapdata. ... For freshly allocated snapdata, Lock sn_lock in advance, so si_snapdata readers see the locked snapdata and not race. For existing snapdata, if the thread was put to sleep waiting for sn_lock, re-read si_snapdata. This either closes the race or makes the reliance on LK_DRAIN less important. Reported and tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 2 weeks		2017-07-21 18:42:35 +00:00
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ffs	Improve publication of the newly allocated snapdata.	2017-07-21 18:42:35 +00:00
ufs	Consistently use vop_stdpathconf() for default pathconf values.	2017-07-11 21:55:20 +00:00