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From: Chao Yu <chao@kernel.org>
To: jaegeuk@kernel.org
Cc: linux-f2fs-devel@lists.sourceforge.net
Subject: [f2fs-dev] [PATCH 1/6] f2fs-tools: add packed attribute for struct f2fs_super_block
Date: Fri,  5 May 2023 18:02:00 +0800	[thread overview]
Message-ID: <20230505100205.1921708-1-chao@kernel.org> (raw)

Otherwise, it may trigger static assert below when the structure
updates.

static_assert(sizeof(struct f2fs_super_block) == 3072, "")

Signed-off-by: Chao Yu <chao@kernel.org>
---
 include/f2fs_fs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 6948814..c71b59d 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -849,7 +849,7 @@ struct f2fs_super_block {
 	__u8 s_errors[MAX_F2FS_ERRORS];		/* reason of image corrupts */
 	__u8 reserved[258];		/* valid reserved region */
 	__le32 crc;			/* checksum of superblock */
-};
+} __attribute__((packed));
 
 static_assert(sizeof(struct f2fs_super_block) == 3072, "");
 
-- 
2.25.1



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             reply	other threads:[~2023-05-05 10:02 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-05 10:02 Chao Yu [this message]
2023-05-05 10:02 ` [f2fs-dev] [PATCH 2/6] f2fs-tools: rename i_padding to i_compress_flag Chao Yu
2023-05-05 10:02 ` [f2fs-dev] [PATCH 3/6] f2fs-tools: fix typo in f2fs_inode structure Chao Yu
2023-05-05 10:02 ` [f2fs-dev] [PATCH 4/6] f2fs-tools: add DISP_u8() macro Chao Yu
2023-05-05 10:02 ` [f2fs-dev] [PATCH 5/6] f2fs-tools: print more raw sb info Chao Yu
2023-05-05 10:02 ` [f2fs-dev] [PATCH 6/6] f2fs-tools: use f2fs_init_inode() to clean up codes Chao Yu
2023-05-08 19:42   ` Jaegeuk Kim
2023-05-17  2:02     ` Chao Yu

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