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Thu, 27 Feb 2020 18:22:42 +0000 (GMT) From: Bartlomiej Zolnierkiewicz To: Jens Axboe Cc: Michael Schmitz , Geert Uytterhoeven , Christoph Hellwig , linux-ide@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-kernel@vger.kernel.org, b.zolnierkie@samsung.com Subject: [PATCH v3 08/27] ata: optimize ata_scsi_rbuf[] size Date: Thu, 27 Feb 2020 19:22:07 +0100 Message-Id: <20200227182226.19188-9-b.zolnierkie@samsung.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200227182226.19188-1-b.zolnierkie@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrLKsWRmVeSWpSXmKPExsWy7djPc7qfOCLiDE7eN7ZYfbefzWLjjPWs Fs9u7WWyWLn6KJPFsR2PmCwu75rDZrH8yVpmi7mt09kdODx2zrrL7nH5bKnHocMdjB4nW7+x eOy+2cDm0bdlFaPH501yAexRXDYpqTmZZalF+nYJXBmrN11hKvjAXrHm3H/WBsaNbF2MnBwS AiYSjTv/sXcxcnEICaxglNizaA4rhPOFUeLq8h1QzmdGiaVzDjJ3MXKAtXxf5g0RX84ocfL/ Ria4juZda9hB5rIJWElMbF/FCGKLCChI9PxeyQZSxCzwnlFixaS9LCAJYQEbie5p78GKWARU JTZ+28EGsoFXwFbi9S0jiPvkJbZ++8QKYnMK2Enc6NsOdjevgKDEyZlPwMYwA9U0b53NDDJf QmAVu8THvmYWiGYXiWunVrBD2MISr45vgbJlJP7vnM8E0bCOUeJvxwuo7u2MEssn/4MGjbXE nXO/wC5iFtCUWL9LHyLsKDFj3QZGSFDwSdx4KwhxBJ/EpG3ToSHEK9HRJgRRrSaxYdkGNpi1 XTtXMkPYHhKTdj9hncCoOAvJO7OQvDMLYe8CRuZVjOKppcW56anFxnmp5XrFibnFpXnpesn5 uZsYgYno9L/jX3cw7vuTdIhRgINRiYd3wY7wOCHWxLLiytxDjBIczEoivBu/hsYJ8aYkVlal FuXHF5XmpBYfYpTmYFES5zVe9DJWSCA9sSQ1OzW1ILUIJsvEwSnVwLgtdrOqr3DSpPPKll/n r+5fnsKyY6qsVrhxw+M0tidzXeVMNu2Ou8/+XDH1/aZJ8u4Nu65nJz7Rf810WHE7r4/aRb+f y7gcH6xhS988MfmKSKfRRp4QnR2qLw8GH9RaNXFT4ia5h8Ibv/Nr2RTb8JjpJcUuzzjFtel3 JUvw0z+hwS8S34vrGCuxFGckGmoxFxUnAgDZLkwMQAMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprJIsWRmVeSWpSXmKPExsVy+t/xe7qfOCLiDO5tU7ZYfbefzWLjjPWs Fs9u7WWyWLn6KJPFsR2PmCwu75rDZrH8yVpmi7mt09kdODx2zrrL7nH5bKnHocMdjB4nW7+x eOy+2cDm0bdlFaPH501yAexRejZF+aUlqQoZ+cUltkrRhhZGeoaWFnpGJpZ6hsbmsVZGpkr6 djYpqTmZZalF+nYJehmrN11hKvjAXrHm3H/WBsaNbF2MHBwSAiYS35d5dzFycQgJLGWU+LVp ARNEXEbi+PqyLkZOIFNY4s+1LjaImk+MEh3bb7CBJNgErCQmtq9iBLFFBBQken6vBCtiFvjK KLF0UjczSEJYwEaie9p7sCIWAVWJjd92gC3mFbCVeH3LCGKBvMTWb59YQWxOATuJG33bweYL AZV0dTwFa+UVEJQ4OfMJC4jNDFTfvHU28wRGgVlIUrOQpBYwMq1iFEktLc5Nzy021CtOzC0u zUvXS87P3cQIjJZtx35u3sF4aWPwIUYBDkYlHt4FO8LjhFgTy4orcw8xSnAwK4nwbvwaGifE m5JYWZValB9fVJqTWnyI0RToh4nMUqLJ+cBIziuJNzQ1NLewNDQ3Njc2s1AS5+0QOBgjJJCe WJKanZpakFoE08fEwSnVwChyLXeZQ7rw2WXiy1xYrKdW/4npeXx7ss0X7XKp64I7Ts95wqPT rHlm2r5DRfrtSw3ara38zTwtMzgUUqO9zXds/3GOTfSQz5dU9nL73zWfr2fPMrnKJG7VfF3Q OOCwUKrt+eM3TmvER79vfXngzumLHz3sW+ekr5h8JmLan/iLizr/J2h0uSixFGckGmoxFxUn AgAbjPDGrAIAAA== X-CMS-MailID: 20200227182242eucas1p1c1de818156ec670f4744725618375303 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20200227182242eucas1p1c1de818156ec670f4744725618375303 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200227182242eucas1p1c1de818156ec670f4744725618375303 References: <20200227182226.19188-1-b.zolnierkie@samsung.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently the maximum required size of the ata_scsi_rbuf[] is 576 bytes in ata_scsiop_inq_89() so modify ATA_SCSI_RBUF_SIZE define accordingly. Code size savings on m68k arch using (modified) atari_defconfig: text data bss dec hex filename before: 20782 105 4096 24983 6197 drivers/ata/libata-scsi.o after: 20782 105 576 21463 53d7 drivers/ata/libata-scsi.o Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ata/libata-scsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index cc8ba49275e7..b64b0b0dfb21 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -36,7 +36,7 @@ #include "libata.h" #include "libata-transport.h" -#define ATA_SCSI_RBUF_SIZE 4096 +#define ATA_SCSI_RBUF_SIZE 576 static DEFINE_SPINLOCK(ata_scsi_rbuf_lock); static u8 ata_scsi_rbuf[ATA_SCSI_RBUF_SIZE]; -- 2.24.1