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commit ee7dc86b6d3e3b86c2c487f713eda657850de238 upstream. Sbitmap code will need to know how many waiters were actually woken for its batched wakeups implementation. Return the number of woken exclusive waiters from __wake_up() to facilitate that. Suggested-by: Jan Kara <jack@suse.cz> Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20221115224553.23594-3-krisman@suse.de Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>