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Tue, 17 Mar 2020 14:43:45 +0000 (GMT) Received: from eusmgms2.samsung.com (unknown [182.198.249.180]) by eusmtrp2.samsung.com (KnoxPortal) with ESMTP id 20200317144345eusmtrp241864ac45efed72590955417b5329dcd~9Hoq_SY5M0146401464eusmtrp2H; Tue, 17 Mar 2020 14:43:45 +0000 (GMT) X-AuditID: cbfec7f2-ef1ff7000001ef66-27-5e70e221a79e Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id C8.23.07950.122E07E5; Tue, 17 Mar 2020 14:43:45 +0000 (GMT) Received: from AMDC3058.digital.local (unknown [106.120.51.71]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20200317144344eusmtip171322079b95fbe6e89e5aa11445b5e0f~9HoqbjhzK0973309733eusmtip1T; Tue, 17 Mar 2020 14:43:44 +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 v4 08/27] ata: optimize ata_scsi_rbuf[] size Date: Tue, 17 Mar 2020 15:43:14 +0100 Message-Id: <20200317144333.2904-9-b.zolnierkie@samsung.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200317144333.2904-1-b.zolnierkie@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA01SbSxVYRzfc8+55xw3V8eleSbzcrdqSWT14ShKL6sz1fLZ1tUtZxj30jne P8SSwpTSFt3LGOa6V7juvMua622yUmnykoZEGJW3FkWOw/j2e34vz+//f/YQiKxCbE+EqqMY Vq0Ml2MStLbjT89Rl7FIxbHiEXuqbDgTo6pyKsXUxGCziNKXtYuojvoxEdXbmItRuvFyhMpL ycZ9CbpBM4zTvW+iaXNrKqC7UpZRumkgCaMfVRsAvWBy9McDJN5BTHhoDMN6nL4hCWk2DGGR P/G4h6PrWBKowtKBBQHJE7Bv7hNIBxJCRpYC2J/bjQuHRQA777ZvKQsADjSZwXZkakYvFgQd gCsZ2p3I62d9It6FkSfhkweGzYQt6QwzVvUYb0LIHwCWZjWjvGBDesOXS7oNE0Gg5AG4kuPK 09INei5vFBXanGDN8ryYxxakD+xrXcMEjzXsej6+6UE2PMk1WoS/H5IlOGwcmxQJ4QuwrOCF WMA2cLqzGhewA1xvyBcJgQoA/6V+30rXAah7urb1Nqfg57crGD8dQh6GlY0eAn0WvkqbQXka klawf9ZaGMIKZtVmIwIthan3ZYL7IDSWGLHt2vQGPSJgGk4adOAxcNHsWkezax3NTm8BQAzA jonmVMEM56lmYt05pYqLVge734pQmcDGL+pe65yvB0sfbpoBSQC5pZQwRipkYmUMF68yA0gg cltp0e0IhUwapIxPYNiIQDY6nOHMYD+Byu2kxwunrsvIYGUUE8YwkQy7rYoIC/skcC/kyhc5 bSIj2ubH169SPedm870UAXaA8MMzk+/kmuLek0btyISjZvRX15Dp3TR7xOfrN789mNuUZWrg x4sLzYEKuoBztm1bRc8UWNU5xbdU/t5Xfknvlob5lxTu9fzraD2YyGpjwy77Jl47r/c6NGev SnAbdaKKxUVRDostcpQLUXq6Iiyn/A+GX8APQQMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprFIsWRmVeSWpSXmKPExsVy+t/xu7qKjwriDM7dZLZYfbefzWLjjPWs Fs9u7WWyWLn6KJPFsR2PmCwu75rDZrH8yVpmi7mt09kdODx2zrrL7nH5bKnHocMdjB4nW7+x eOy+2cDm0bdlFaPH501yAexRejZF+aUlqQoZ+cUltkrRhhZGeoaWFnpGJpZ6hsbmsVZGpkr6 djYpqTmZZalF+nYJehl7V91mK/jAXtH78D9bA+NGti5GTg4JAROJl69XsnYxcnEICSxllDh7 ZA5jFyMHUEJG4vj6MogaYYk/17rYIGo+MUpM/nyWGSTBJmAlMbF9FSOILSKgINHzeyVYEbPA V0aJpZO6wYqEBWwk9nxdDjaURUBV4tcMLZAwL1D43dyHLBAL5CW2fvvECmJzCthKXDv8D+w4 IaCaF2/+M0HUC0qcnPkErJ4ZqL5562zmCYwCs5CkZiFJLWBkWsUoklpanJueW2ykV5yYW1ya l66XnJ+7iREYL9uO/dyyg7HrXfAhRgEORiUeXo4NBXFCrIllxZW5hxglOJiVRHgXF+bHCfGm JFZWpRblxxeV5qQWH2I0BfphIrOUaHI+MJbzSuINTQ3NLSwNzY3Njc0slMR5OwQOxggJpCeW pGanphakFsH0MXFwSjUwLmFet2PK26C7GnftLav3ujbkM02tqGCSDDY/1L9no12+1IJ1l/Tt sw6ey+l+HsZuNtfIylv30vf6/T8StnNPV9xsK/kwLj1o87ufF/Pfuxtd4m9l3ZHdfaT7U6fA j7LE4JnfWuouvZ8SG/HdbMLSV/PTmx2MTinp9HOUvbKd9/3MUadJNxXDlViKMxINtZiLihMB nkJBoq0CAAA= X-CMS-MailID: 20200317144345eucas1p1e67d48caa8629fedb301e776e34dc0c1 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20200317144345eucas1p1e67d48caa8629fedb301e776e34dc0c1 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200317144345eucas1p1e67d48caa8629fedb301e776e34dc0c1 References: <20200317144333.2904-1-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 2a43eef97b87..7bdda82fe886 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -37,7 +37,7 @@ #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