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Brian Behlendorf
d6bb22171b
The HAVE_BLK_QUEUE_WRITE_CACHE_GPL_ONLY case was overlooked in
the original 10f88c5c commit because blk_queue_write_cache()
was available for the in-kernel builds.
Update the blk_queue_flag_{set,clear} wrappers to call the locked
versions to avoid confusion. This is safe for all existing callers.
The blk_queue_set_write_cache() function has been updated to use
these wrappers. This means setting/clearing both QUEUE_FLAG_WC
and QUEUE_FLAG_FUA is no longer atomic but this only done early
in zvol_alloc() prior to any requests so there is no issue.
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: Kash Pande <kash@tripleback.net>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7428
Closes #7431
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