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From 2aa6a4fce53d2a43cc00fde2362eb39d1fdb9f4d Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Thu, 10 Jan 2013 08:09:26 +0100
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Subject: [PATCH 092/482] * grub-core/kern/disk.c (grub_disk_write): Fix
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sector number on 4K sector devices.
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---
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ChangeLog | 5 +++++
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grub-core/kern/disk.c | 11 ++++++++---
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2 files changed, 13 insertions(+), 3 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index 75fb85a..48d297d 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,8 @@
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+2013-01-10 Vladimir Serbinenko <phcoder@gmail.com>
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+
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+ * grub-core/kern/disk.c (grub_disk_write): Fix sector number on 4K
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+ sector devices.
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+
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2013-01-07 Colin Watson <cjwatson@ubuntu.com>
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* grub-core/io/bufio.c (grub_bufio_open): Use grub_zalloc instead of
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diff --git a/grub-core/kern/disk.c b/grub-core/kern/disk.c
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index 1f55f90..94318af 100644
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--- a/grub-core/kern/disk.c
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+++ b/grub-core/kern/disk.c
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@@ -658,7 +658,8 @@ grub_disk_write (grub_disk_t disk, grub_disk_addr_t sector,
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grub_disk_cache_invalidate (disk->dev->id, disk->id, sector);
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- if ((disk->dev->write) (disk, sector, 1, tmp_buf) != GRUB_ERR_NONE)
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+ if ((disk->dev->write) (disk, transform_sector (disk, sector),
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+ 1, tmp_buf) != GRUB_ERR_NONE)
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goto finish;
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sector += (1 << (disk->log_sector_size - GRUB_DISK_SECTOR_BITS));
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@@ -674,11 +675,15 @@ grub_disk_write (grub_disk_t disk, grub_disk_addr_t sector,
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len = size & ~((1 << disk->log_sector_size) - 1);
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n = size >> disk->log_sector_size;
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- if ((disk->dev->write) (disk, sector, n, buf) != GRUB_ERR_NONE)
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+ if ((disk->dev->write) (disk, transform_sector (disk, sector),
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+ n, buf) != GRUB_ERR_NONE)
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goto finish;
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while (n--)
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- grub_disk_cache_invalidate (disk->dev->id, disk->id, sector++);
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+ {
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+ grub_disk_cache_invalidate (disk->dev->id, disk->id, sector);
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+ sector += (1 << (disk->log_sector_size - GRUB_DISK_SECTOR_BITS));
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+ }
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buf = (const char *) buf + len;
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size -= len;
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--
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1.8.2.1
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