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33 lines
994 B
33 lines
994 B
6 years ago
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From 6392be68c4d481148e20dbc2a8380cc246f27ad1 Mon Sep 17 00:00:00 2001
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From: Ondrej Kozina <okozina@redhat.com>
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Date: Tue, 19 Jun 2018 14:45:45 +0200
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Subject: [PATCH 2/4] Fix write_lseek_blockwise for in the middle of sector
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case.
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See unit test write_lseek_blockwise(bsize=512, offset=1, length=1).
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The test tries to modify single byte at offset 1 of device with
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bsize=512.
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---
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lib/utils_io.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/lib/utils_io.c b/lib/utils_io.c
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index 94c4ef6..8336b18 100644
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--- a/lib/utils_io.c
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+++ b/lib/utils_io.c
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@@ -216,8 +216,8 @@ ssize_t write_lseek_blockwise(int fd, size_t bsize, size_t alignment,
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if (lseek(fd, offset - frontHang, SEEK_SET) < 0)
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goto out;
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- r = write_buffer(fd, frontPadBuf, frontHang + innerCount);
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- if (r < 0 || r != (ssize_t)(frontHang + innerCount))
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+ r = write_buffer(fd, frontPadBuf, bsize);
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+ if (r < 0 || r != (ssize_t)bsize)
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goto out;
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buf = (char*)buf + innerCount;
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--
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1.8.3.1
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