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genext2fs: support large files and filesystems without using large amounts of memory
update_to_1.95.patch was generated by making a diff bewteen the 1.4.1 release and the latest 1.9.5 version in the cvs repo: http://genext2fs.cvs.sourceforge.net/viewvc/genext2fs/genext2fs/genext2fs.c?revision=1.95 The patches 0001-0019 come from mailing list of genext2fs-devel http://sourceforge.net/mailarchive/forum.php?forum_name=genext2fs-devel&max_rows=100&style=flat&viewmonth=201106 (From OE-Core rev: 8f17e499cf91191727c8767e839738cb39c21655) Signed-off-by: Dexuan Cui <dexuan.cui@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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committed by
Richard Purdie
parent
84b7541abc
commit
79c806cb40
@@ -0,0 +1,30 @@
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Upstream-Status: inappropriate
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From 33c92a0b663d16d2260b391d39aa745acd4b360e Mon Sep 17 00:00:00 2001
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From: Corey Minyard <cminyard@mvista.com>
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Date: Tue, 7 Jun 2011 07:23:23 -0500
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Subject: [PATCH 17/19] Fix "file same" comparison
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It's not enough to check the inode, you also have to check the device
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to make sure a file is the same.
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---
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genext2fs.c | 3 ++-
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1 files changed, 2 insertions(+), 1 deletions(-)
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diff --git a/genext2fs.c b/genext2fs.c
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index fc7fe5f..485393c 100644
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--- a/genext2fs.c
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+++ b/genext2fs.c
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@@ -2359,7 +2359,8 @@ alloc_fs(int swapit, char *fname, uint32 nbblocks, FILE *srcfile)
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perror_msg_and_die("fstat srcfile");
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if (stat(fname, &dststat))
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perror_msg_and_die("stat-ing %s", fname);
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- if (srcstat.st_ino == dststat.st_ino) {
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+ if (srcstat.st_ino == dststat.st_ino
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+ && srcstat.st_dev == dststat.st_dev) {
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// source and destination are the same file, don't
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// truncate or copy, just use the file.
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fs->f = fopen(fname, "r+b");
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--
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1.7.4.1
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