From: Jan Kara Date: Wed, 1 Mar 2023 11:02:08 +0000 (+0100) Subject: ext2: Correct maximum ext2 filesystem block size X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e9cd1d9a34131fb56bef469d4e1cd31bd1b515e2;p=linux.git ext2: Correct maximum ext2 filesystem block size Ext2 has traditionally supported filesystem block sizes upto page size or upto 65536. Macro EXT2_MAX_BLOCK_SIZE is set to 4096, however that is never used in ext2 so practically we always allowed whatever sb_set_blocksize() accepted. Fix value of EXT2_MAX_BLOCK_SIZE because it will be used in the next patch. Signed-off-by: Jan Kara --- diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index cb78d7dcfb952..6c8e838bb2782 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -178,7 +178,7 @@ static inline struct ext2_sb_info *EXT2_SB(struct super_block *sb) * Macro-instructions used to manage several block sizes */ #define EXT2_MIN_BLOCK_SIZE 1024 -#define EXT2_MAX_BLOCK_SIZE 4096 +#define EXT2_MAX_BLOCK_SIZE 65536 #define EXT2_MIN_BLOCK_LOG_SIZE 10 #define EXT2_BLOCK_SIZE(s) ((s)->s_blocksize) #define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (__u32))