linux-kernel - [PATCH RESEND 13/62] ext2: remove ext2_image

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Message-ID: <20250913003842.41944-14-safinaskar@gmail.com>
Date: Sat, 13 Sep 2025 00:37:52 +0000
From: Askar Safin <safinaskar@...il.com>
To: linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
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	patches@...ts.linux.dev
Subject: [PATCH RESEND 13/62] ext2: remove ext2_image_size and associated code

It is not used anymore

Signed-off-by: Askar Safin <safinaskar@...il.com>
---
 fs/ext2/ext2.h          |  9 ---------
 include/linux/ext2_fs.h | 13 -------------
 2 files changed, 22 deletions(-)

diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index cf97b76e9fd3..d623a14040d9 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -608,15 +608,6 @@ struct ext2_dir_entry_2 {
 					 ~EXT2_DIR_ROUND)
 #define EXT2_MAX_REC_LEN		((1<<16)-1)
 
-static inline void verify_offsets(void)
-{
-#define A(x,y) BUILD_BUG_ON(x != offsetof(struct ext2_super_block, y));
-	A(EXT2_SB_MAGIC_OFFSET, s_magic);
-	A(EXT2_SB_BLOCKS_OFFSET, s_blocks_count);
-	A(EXT2_SB_BSIZE_OFFSET, s_log_block_size);
-#undef A
-}
-
 /*
  * ext2 mount options
  */
diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h
index 1fef88569037..e5ebe6cdf06c 100644
--- a/include/linux/ext2_fs.h
+++ b/include/linux/ext2_fs.h
@@ -27,17 +27,4 @@
  */
 #define EXT2_LINK_MAX		32000
 
-#define EXT2_SB_MAGIC_OFFSET	0x38
-#define EXT2_SB_BLOCKS_OFFSET	0x04
-#define EXT2_SB_BSIZE_OFFSET	0x18
-
-static inline u64 ext2_image_size(void *ext2_sb)
-{
-	__u8 *p = ext2_sb;
-	if (*(__le16 *)(p + EXT2_SB_MAGIC_OFFSET) != cpu_to_le16(EXT2_SUPER_MAGIC))
-		return 0;
-	return (u64)le32_to_cpup((__le32 *)(p + EXT2_SB_BLOCKS_OFFSET)) <<
-		le32_to_cpup((__le32 *)(p + EXT2_SB_BSIZE_OFFSET));
-}
-
 #endif	/* _LINUX_EXT2_FS_H */
-- 
2.47.2