110 lines
4.6 KiB
Diff
110 lines
4.6 KiB
Diff
From patchwork Wed Mar 25 20:27:51 2020
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Wed, 25 Mar 2020 21:27:52 +0100
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From: Jan Kiszka <jan.kiszka@siemens.com>
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Subject: [PATCH] fs: ext4: Fix alignment of cache buffers
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To: U-Boot Mailing List <u-boot@lists.denx.de>, Tom Rini <trini@konsulko.com>
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Cc: Stephen Warren <swarren@wwwdotorg.org>
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Message-ID: <c2b25bd8-8f9a-c95d-a309-d18ac755f611@siemens.com>
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Date: Wed, 25 Mar 2020 21:27:51 +0100
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From: Jan Kiszka <jan.kiszka@siemens.com>
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We need to align the cache buffer to ARCH_DMA_MINALIGN in order to avoid
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access errors like
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CACHE: Misaligned operation at range [be0231e0, be0235e0]
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seen on the MCIMX7SABRE.
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Fixes: d5aee659f217 ("fs: ext4: cache extent data")
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Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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Reviewed-by: Tom Rini <trini@konsulko.com>
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Reviewed-by: Stephen Warren <swarren@nvidia.com>
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---
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fs/ext4/ext4fs.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/fs/ext4/ext4fs.c b/fs/ext4/ext4fs.c
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index 1c616a26a2..966b427a97 100644
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--- a/fs/ext4/ext4fs.c
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+++ b/fs/ext4/ext4fs.c
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@@ -288,7 +288,7 @@ int ext_cache_read(struct ext_block_cache *cache, lbaint_t block, int size)
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if (cache->buf && cache->block == block && cache->size == size)
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return 1;
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ext_cache_fini(cache);
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- cache->buf = malloc(size);
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+ cache->buf = memalign(ARCH_DMA_MINALIGN, size);
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if (!cache->buf)
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return 0;
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if (!ext4fs_devread(block, 0, size, cache->buf)) {
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