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author | Jan Kara <jack@suse.cz> | 2023-06-13 12:25:52 +0200 |
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committer | Jan Kara <jack@suse.cz> | 2023-06-13 12:37:31 +0200 |
commit | 404615d7f1dcd4cca200e9a7a9df3a1dcae1dd62 (patch) | |
tree | 2d922320af995edf08be91c90430360d3ff57cc8 /fs/ext2/ext2.h | |
parent | d6a95db3c7ad160bc16b89e36449705309b52bcb (diff) | |
download | linux-stable-404615d7f1dcd4cca200e9a7a9df3a1dcae1dd62.tar.gz linux-stable-404615d7f1dcd4cca200e9a7a9df3a1dcae1dd62.tar.bz2 linux-stable-404615d7f1dcd4cca200e9a7a9df3a1dcae1dd62.zip |
ext2: Drop fragment support
Ext2 has fields in superblock reserved for subblock allocation support.
However that never landed. Drop the many years dead code.
Reported-by: syzbot+af5e10f73dbff48f70af@syzkaller.appspotmail.com
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext2/ext2.h')
-rw-r--r-- | fs/ext2/ext2.h | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index 5e82ec0847cf..35a041c47c38 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -70,10 +70,7 @@ struct mb_cache; * second extended-fs super-block data in memory */ struct ext2_sb_info { - unsigned long s_frag_size; /* Size of a fragment in bytes */ - unsigned long s_frags_per_block;/* Number of fragments per block */ unsigned long s_inodes_per_block;/* Number of inodes per block */ - unsigned long s_frags_per_group;/* Number of fragments in a group */ unsigned long s_blocks_per_group;/* Number of blocks in a group */ unsigned long s_inodes_per_group;/* Number of inodes in a group */ unsigned long s_itb_per_group; /* Number of inode table blocks per group */ @@ -189,15 +186,6 @@ static inline struct ext2_sb_info *EXT2_SB(struct super_block *sb) #define EXT2_FIRST_INO(s) (EXT2_SB(s)->s_first_ino) /* - * Macro-instructions used to manage fragments - */ -#define EXT2_MIN_FRAG_SIZE 1024 -#define EXT2_MAX_FRAG_SIZE 4096 -#define EXT2_MIN_FRAG_LOG_SIZE 10 -#define EXT2_FRAG_SIZE(s) (EXT2_SB(s)->s_frag_size) -#define EXT2_FRAGS_PER_BLOCK(s) (EXT2_SB(s)->s_frags_per_block) - -/* * Structure of a blocks group descriptor */ struct ext2_group_desc |