Ned Bass 58806b4cdc dbuf_free_range() overzealously frees dbufs
When called to free a spill block from a dnode, dbuf_free_range() has a
bug that results in all dbufs for the dnode getting freed.  A variety of
problems may result from this bug, but a common one was a zap lookup
tripping an ASSERT because the zap buffers had been zeroed out.  This
could happen on a dataset with xattr=sa set when extended attributes are
written and removed on a directory concurrently with I/O to files in
that directory.

Signed-off-by: Ned Bass <bass6@llnl.gov>
Signed-off-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Fixes #3195
Fixes #3204
Fixes #3222
2015-03-25 14:48:22 -07:00
2015-03-03 13:38:17 -08:00
2014-12-18 18:38:33 -08:00
2014-09-02 14:18:53 -07:00
2012-08-26 13:49:37 -07:00
2013-03-06 15:46:41 -08:00
2008-12-01 14:49:34 -08:00

Native ZFS for Linux!

ZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the Illumos community.

ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers.

Full documentation for installing ZoL on your favorite Linux distribution can be found at: http://zfsonlinux.org

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freebsd with flexible iflib nic queues
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