linux-kernel - Re: [PATCH 1/2] Convert target drivers to use sbitmap

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Date:   Wed, 16 May 2018 20:47:21 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        linux-scsi@...r.kernel.org, target-devel@...r.kernel.org,
        linux1394-devel@...ts.sourceforge.net, linux-usb@...r.kernel.org,
        kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        netdev@...r.kernel.org, Juergen Gross <jgross@...e.com>,
        qla2xxx-upstream@...gic.com,
        Kent Overstreet <kent.overstreet@...il.com>,
        Jens Axboe <axboe@...nel.dk>,
        Matthew Wilcox <mawilcox@...rosoft.com>
Subject: Re: [PATCH 1/2] Convert target drivers to use sbitmap

Hi Matthew,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.17-rc5 next-20180516]
[cannot apply to target/master]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Matthew-Wilcox/Use-sbitmap-instead-of-percpu_ida/20180516-143658
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/target/iscsi/iscsi_target_util.c:150:5: sparse: symbol 'iscsit_wait_for_tag' was not declared. Should it be static?
   drivers/target/iscsi/iscsi_target_util.c:1174:31: sparse: expression using sizeof(void)
   drivers/target/iscsi/iscsi_target_util.c:1174:31: sparse: expression using sizeof(void)

Please review and possibly fold the followup patch.

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