Files
mirror_zfs/module
Chunwei Chen 1d9b3bd8fb Wait iput_async before evict_inodes to prevent race
Wait for iput_async before entering evict_inodes in
generic_shutdown_super. The reason we must finish before
evict_inodes is when lazytime is on, or when zfs_purgedir calls
zfs_zget, iput would bump i_count from 0 to 1. This would race
with the i_count check in evict_inodes.  This means it could
destroy the inode while we are still using it.

Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4854
2016-07-19 09:23:58 -07:00
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