Date: Wed, 1 Nov 2017 18:49:45 +0000 (UTC) From: Toomas Soome <tsoome@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r325286 - head/sys/boot/efi/libefi Message-ID: <201711011849.vA1Injt3060287@repo.freebsd.org>
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Author: tsoome Date: Wed Nov 1 18:49:45 2017 New Revision: 325286 URL: https://svnweb.freebsd.org/changeset/base/325286 Log: efipart_strategy is using wrong offset with >512B sectors The strategy() calls are assuming 512B sectors, so we need to adjust the offset accordingly. Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D12849 Modified: head/sys/boot/efi/libefi/efipart.c Modified: head/sys/boot/efi/libefi/efipart.c ============================================================================== --- head/sys/boot/efi/libefi/efipart.c Wed Nov 1 18:06:44 2017 (r325285) +++ head/sys/boot/efi/libefi/efipart.c Wed Nov 1 18:49:45 2017 (r325286) @@ -877,7 +877,11 @@ efipart_strategy(void *devdata, int rw, daddr_t blk, s bcd.dv_cache = pd->pd_bcache; if (dev->d_dev->dv_type == DEVT_DISK) { - return (bcache_strategy(&bcd, rw, blk + dev->d_offset, + daddr_t offset; + + offset = dev->d_offset * pd->pd_blkio->Media->BlockSize; + offset /= 512; + return (bcache_strategy(&bcd, rw, blk + offset, size, buf, rsize)); } return (bcache_strategy(&bcd, rw, blk, size, buf, rsize));
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