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authorHeinz Mauelshagen <heinzm@redhat.com>2017-12-02 01:03:48 +0100
committerMike Snitzer <snitzer@redhat.com>2017-12-08 10:59:57 -0500
commit1af2048a3e87b4e982c53ad8cfb0c75d1a9c0a73 (patch)
tree4bb8d524f6500ca96f08061268e86cfe6b4b1b3b /tools/perf/scripts/python/call-graph-from-sql.py
parentfbc7c07ec23c040179384a1f16b62b6030eb6bdd (diff)
dm raid: fix deadlock caused by premature md_stop_writes()
md_stop_writes() is called in raid_presuspend() causing deadlocks on bios submitted afterwards -- which happens on loaded raid sets with conversion requests. Fix by moving md_stop_writes() to raid_postsuspend(). NOTE: when the recovery's frozen (MD_RECOVERY_FROZEN), writes haven't been started (or are already stopped) so don't stop them again. Also remove superfluous readonly setting. Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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