File 0183-btrfs-progs-mkfs-disallow-uneven-data-meta... of Package btrfsprogs

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File 0183-btrfs-progs-mkfs-disallow-uneven-data-metadata-block.patch of Package btrfsprogs (Revision fad05b87f11e2d3b079c581a72bba7b5)

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From 273488299effe9a9182fffc1a7cd9639b68a0da4 Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.cz>
Date: Fri, 17 Feb 2012 11:44:03 +0100
Subject: [PATCH] btrfs-progs: mkfs: disallow uneven data/metadata blocksize
 for mixed

With support for bigger metadata blocks, we must avoid different
block size for mixed block groups, this causes corruption
(xfstests/083).

Signed-off-by: David Sterba <dsterba@suse.cz>
---
 mkfs.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/mkfs.c b/mkfs.c
index e3ced19..e02efcc 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -1313,6 +1313,19 @@ int main(int ac, char **av)
 				"profiles must be the same\n");
 			exit(1);
 		}
+
+		if (leafsize != nodesize) {
+			fprintf(stderr, "With mixed block groups node and leaf "
+				"block sizes must be the same\n");
+			exit(1);
+		}
+
+		if (sectorsize != nodesize) {
+			fprintf(stderr, "With mixed block groups data and metadata "
+				"block sizes must be the same\n");
+			exit(1);
+		}
+
 	}
 
 	blocks[0] = BTRFS_SUPER_INFO_OFFSET;
-- 
1.7.6.233.gd79bc

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File 0183-btrfs-progs-mkfs-disallow-uneven-data-metadata-block.patch of Package btrfsprogs (Revision fad05b87f11e2d3b079c581a72bba7b5)

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