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common: Log::reopen_log_file: take m_flush_mutex #5405

1 commit merged into from Aug 4, 2015


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commented Jul 29, 2015

Log::reopen_log_file: take m_flush_mutex
Otherwise, _flush() might continue to write to m_fd after it's closed.
This might cause log data to go to a data object if the filestore then
reuses the fd during that time.

Fixes: #12465
Backport: firefly, hammer
Signed-off-by: Samuel Just <>
(cherry picked from commit 8778ab3)

@liewegas liewegas added this to the hammer milestone Jul 29, 2015

ghost pushed a commit that referenced this pull request Jul 29, 2015

@ghost ghost self-assigned this Aug 4, 2015

ghost pushed a commit that referenced this pull request Aug 4, 2015

Loic Dachary
Merge pull request #5405 from ceph/wip-12465-hammer
Log::reopen_log_file: take m_flush_mutex

Reviewed-by: Loic Dachary <>

@ghost ghost merged commit e801d4c into hammer Aug 4, 2015

@ghost ghost changed the title Log::reopen_log_file: take m_flush_mutex common: Log::reopen_log_file: take m_flush_mutex Aug 4, 2015

@liewegas liewegas deleted the wip-12465-hammer branch Nov 23, 2016

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