Fix ext4 alignment issue seen on some NXP i.MX devices

This commit is contained in:
Peter Robinson 2020-03-26 11:28:23 +00:00
parent 24b4862160
commit 21eea886b1
2 changed files with 114 additions and 1 deletions

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@ -0,0 +1,109 @@
From patchwork Wed Mar 25 20:27:51 2020
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From: Jan Kiszka <jan.kiszka@siemens.com>
Subject: [PATCH] fs: ext4: Fix alignment of cache buffers
To: U-Boot Mailing List <u-boot@lists.denx.de>, Tom Rini <trini@konsulko.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Message-ID: <c2b25bd8-8f9a-c95d-a309-d18ac755f611@siemens.com>
Date: Wed, 25 Mar 2020 21:27:51 +0100
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From: Jan Kiszka <jan.kiszka@siemens.com>
We need to align the cache buffer to ARCH_DMA_MINALIGN in order to avoid
access errors like
CACHE: Misaligned operation at range [be0231e0, be0235e0]
seen on the MCIMX7SABRE.
Fixes: d5aee659f217 ("fs: ext4: cache extent data")
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
---
fs/ext4/ext4fs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/ext4fs.c b/fs/ext4/ext4fs.c
index 1c616a26a2..966b427a97 100644
--- a/fs/ext4/ext4fs.c
+++ b/fs/ext4/ext4fs.c
@@ -288,7 +288,7 @@ int ext_cache_read(struct ext_block_cache *cache, lbaint_t block, int size)
if (cache->buf && cache->block == block && cache->size == size)
return 1;
ext_cache_fini(cache);
- cache->buf = malloc(size);
+ cache->buf = memalign(ARCH_DMA_MINALIGN, size);
if (!cache->buf)
return 0;
if (!ext4fs_devread(block, 0, size, cache->buf)) {

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@ -2,7 +2,7 @@
Name: uboot-tools
Version: 2020.04
Release: 0.4%{?candidate:.%{candidate}}%{?dist}
Release: 0.5%{?candidate:.%{candidate}}%{?dist}
Summary: U-Boot utilities
License: GPLv2+ BSD LGPL-2.1+ LGPL-2.0+
URL: http://www.denx.de/wiki/U-Boot
@ -26,6 +26,7 @@ Patch5: rpi-Enable-using-the-DT-provided-by-the-Raspberry-Pi.patch
Patch6: dragonboard-fixes.patch
Patch7: ARM-tegra-Add-NVIDIA-Jetson-Nano.patch
Patch8: arm-tegra-defaine-fdtfile-for-all-devices.patch
Patch9: fs-ext4-Fix-alignment-of-cache-buffers.patch
BuildRequires: bc
BuildRequires: dtc
@ -247,6 +248,9 @@ cp -p board/warp7/README builds/docs/README.warp7
%endif
%changelog
* Thu Mar 26 2020 Peter Robinson <pbrobinson@fedoraproject.org> 2020.04-0.5-rc3
- Fix ext4 alignment issue seen on some NXP i.MX devices
* Wed Feb 26 2020 Peter Robinson <pbrobinson@fedoraproject.org> 2020.04-0.4-rc3
- 2020.04 RC3