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(Updated Oct. 21, 2015, 9:30 p.m.) Review request for OpenZFS Developer Mailing List and Christopher Siden. Repository: illumos-gate Description ------- If spa_config_tryenter fails to acquire a particular lock, all locks that have been acquired in the mean time should be released. Unfortunately, the existing arithmetic in that case doesn't do that, so some locks can be left acquired. Fix from Nexenta, originally reviewed internally by Alek Pinchuk and Josef 'Jeff' Sipek. Diffs ----- usr/src/uts/common/fs/zfs/spa_misc.c 9148a03433167aebf03f3ebc44771e4ec9c50dd7 Diff: https://reviews.csiden.org/r/264/diff/ Testing ------- This is required for ZFS TRIM/UNMAP support, otherwise the code panicks when a "zpool trim <poolname>" command is issued before the last on-demand TRIM has finished. Thanks, Saso Kiselkov
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