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Message-Id: <20180717135236.3673195-1-arnd@arndb.de>
Date: Tue, 17 Jul 2018 15:52:27 +0200
From: Arnd Bergmann <arnd@...db.de>
To: Chris Mason <clm@...com>, Josef Bacik <jbacik@...com>,
David Sterba <dsterba@...e.com>
Cc: Arnd Bergmann <arnd@...db.de>, Qu Wenruo <wqu@...e.com>,
Nikolay Borisov <nborisov@...e.com>,
Su Yue <suy.fnst@...fujitsu.com>, linux-btrfs@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] btrfs: fix size_t format string
The newly added check_block_group_item() function causes a build warning
on 32-bit architectures:
fs/btrfs/tree-checker.c: In function 'check_block_group_item':
fs/btrfs/tree-checker.c:404:41: error: format '%lu' expects argument of type 'long unsigned int', but argument 6 has type 'unsigned int' [-Werror=format=]
The type of a sizeof() expression is size_t, which is correctly printed
using the %zu format string.
Fixes: 9dc16aad5660 ("btrfs: tree-checker: Verify block_group_item")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
fs/btrfs/tree-checker.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index e9414c3f375e..4c82a628df85 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -401,7 +401,7 @@ static int check_block_group_item(struct btrfs_fs_info *fs_info,
if (item_size != sizeof(bgi)) {
block_group_err(fs_info, leaf, slot,
- "invalid item size, have %u expect %lu",
+ "invalid item size, have %u expect %zu",
item_size, sizeof(bgi));
return -EUCLEAN;
}
--
2.9.0
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