43 lines
1.0 KiB
Diff
43 lines
1.0 KiB
Diff
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From 273488299effe9a9182fffc1a7cd9639b68a0da4 Mon Sep 17 00:00:00 2001
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From: David Sterba <dsterba@suse.cz>
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Date: Fri, 17 Feb 2012 11:44:03 +0100
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Subject: [PATCH] btrfs-progs: mkfs: disallow uneven data/metadata blocksize
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for mixed
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With support for bigger metadata blocks, we must avoid different
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block size for mixed block groups, this causes corruption
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(xfstests/083).
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Signed-off-by: David Sterba <dsterba@suse.cz>
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---
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mkfs.c | 13 +++++++++++++
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1 files changed, 13 insertions(+), 0 deletions(-)
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diff --git a/mkfs.c b/mkfs.c
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index e3ced19..e02efcc 100644
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--- a/mkfs.c
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+++ b/mkfs.c
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@@ -1313,6 +1313,19 @@ int main(int ac, char **av)
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"profiles must be the same\n");
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exit(1);
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}
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+
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+ if (leafsize != nodesize) {
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+ fprintf(stderr, "With mixed block groups node and leaf "
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+ "block sizes must be the same\n");
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+ exit(1);
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+ }
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+
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+ if (sectorsize != nodesize) {
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+ fprintf(stderr, "With mixed block groups data and metadata "
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+ "block sizes must be the same\n");
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+ exit(1);
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+ }
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+
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}
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blocks[0] = BTRFS_SUPER_INFO_OFFSET;
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--
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1.7.6.233.gd79bc
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