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Code Issues Releases Wiki Activity

[PATCH] fs/*: use BUILD_BUG_ON 

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Alexey Dobriyan 2006-10-11 01:22:05 -07:00 committed by Linus Torvalds
parent fbab41ccc4
commit 2ecd05ae68
5 changed files with 16 additions and 25 deletions
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8
fs/afs/dir.c
View File

@ -211,8 +211,8 @@ static int afs_dir_open(struct inode *inode, struct file *file)
{
_enter("{%lu}", inode->i_ino);
BUG_ON(sizeof(union afs_dir_block) != 2048);
BUG_ON(sizeof(union afs_dirent) != 32);
BUILD_BUG_ON(sizeof(union afs_dir_block) != 2048);
BUILD_BUG_ON(sizeof(union afs_dirent) != 32);
if (AFS_FS_I(inode)->flags & AFS_VNODE_DELETED)
return -ENOENT;
@ -446,8 +446,8 @@ static struct dentry *afs_dir_lookup(struct inode *dir, struct dentry *dentry,
_enter("{%lu},%p{%s}", dir->i_ino, dentry, dentry->d_name.name);
/* insanity checks first */
BUG_ON(sizeof(union afs_dir_block) != 2048);
BUG_ON(sizeof(union afs_dirent) != 32);
BUILD_BUG_ON(sizeof(union afs_dir_block) != 2048);
BUILD_BUG_ON(sizeof(union afs_dirent) != 32);
if (dentry->d_name.len > 255) {
_leave(" = -ENAMETOOLONG");

8
fs/jffs2/super.c
View File

@ -334,10 +334,10 @@ static int __init init_jffs2_fs(void)
which means just 'no padding', without the alignment
thing. But GCC doesn't have that -- we have to just
hope the structs are the right sizes, instead. */
BUG_ON(sizeof(struct jffs2_unknown_node) != 12);
BUG_ON(sizeof(struct jffs2_raw_dirent) != 40);
BUG_ON(sizeof(struct jffs2_raw_inode) != 68);
BUG_ON(sizeof(struct jffs2_raw_summary) != 32);
BUILD_BUG_ON(sizeof(struct jffs2_unknown_node) != 12);
BUILD_BUG_ON(sizeof(struct jffs2_raw_dirent) != 40);
BUILD_BUG_ON(sizeof(struct jffs2_raw_inode) != 68);
BUILD_BUG_ON(sizeof(struct jffs2_raw_summary) != 32);
printk(KERN_INFO "JFFS2 version 2.2."
#ifdef CONFIG_JFFS2_FS_WRITEBUFFER

8
fs/minix/inode.c
View File

@ -149,12 +149,8 @@ static int minix_fill_super(struct super_block *s, void *data, int silent)
return -ENOMEM;
s->s_fs_info = sbi;
/* N.B. These should be compile-time tests.
Unfortunately that is impossible. */
if (32 != sizeof (struct minix_inode))
panic("bad V1 i-node size");
if (64 != sizeof(struct minix2_inode))
panic("bad V2 i-node size");
BUILD_BUG_ON(32 != sizeof (struct minix_inode));
BUILD_BUG_ON(64 != sizeof(struct minix2_inode));
if (!sb_set_blocksize(s, BLOCK_SIZE))
goto out_bad_hblock;

2
fs/ocfs2/super.c
View File

@ -339,7 +339,7 @@ static unsigned long long ocfs2_max_file_offset(unsigned int blockshift)
#if BITS_PER_LONG == 32
# if defined(CONFIG_LBD)
BUG_ON(sizeof(sector_t) != 8);
BUILD_BUG_ON(sizeof(sector_t) != 8);
pagefactor = PAGE_CACHE_SIZE;
bitshift = BITS_PER_LONG;
# else

15
fs/sysv/super.c
View File

@ -358,16 +358,11 @@ static int sysv_fill_super(struct super_block *sb, void *data, int silent)
unsigned long blocknr;
int size = 0, i;
if (1024 != sizeof (struct xenix_super_block))
panic("Xenix FS: bad superblock size");
if (512 != sizeof (struct sysv4_super_block))
panic("SystemV FS: bad superblock size");
if (512 != sizeof (struct sysv2_super_block))
panic("SystemV FS: bad superblock size");
if (500 != sizeof (struct coh_super_block))
panic("Coherent FS: bad superblock size");
if (64 != sizeof (struct sysv_inode))
panic("sysv fs: bad inode size");
BUILD_BUG_ON(1024 != sizeof (struct xenix_super_block));
BUILD_BUG_ON(512 != sizeof (struct sysv4_super_block));
BUILD_BUG_ON(512 != sizeof (struct sysv2_super_block));
BUILD_BUG_ON(500 != sizeof (struct coh_super_block));
BUILD_BUG_ON(64 != sizeof (struct sysv_inode));
sbi = kzalloc(sizeof(struct sysv_sb_info), GFP_KERNEL);
if (!sbi)