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#ifndef _VXFS_KCOMPAT_H
#define _VXFS_KCOMPAT_H
#include <linux/version.h>
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
#include <linux/blkdev.h>
typedef long sector_t;
/* From include/linux/fs.h (Linux 2.5.2-pre3) */
static inline struct buffer_head * sb_bread(struct super_block *sb, int block)
{
return bread(sb->s_dev, block, sb->s_blocksize);
}
/* Dito. */
static inline void map_bh(struct buffer_head *bh, struct super_block *sb, int block)
{
bh->b_state |= 1 << BH_Mapped;
bh->b_dev = sb->s_dev;
bh->b_blocknr = block;
}
/* From fs/block_dev.c (Linux 2.5.2-pre2) */
static inline int sb_set_blocksize(struct super_block *sb, int size)
{
int bits;
if (set_blocksize(sb->s_dev, size) < 0)
return 0;
sb->s_blocksize = size;
for (bits = 9, size >>= 9; size >>= 1; bits++)
;
sb->s_blocksize_bits = bits;
return sb->s_blocksize;
}
/* Dito. */
static inline int sb_min_blocksize(struct super_block *sb, int size)
{
int minsize = get_hardsect_size(sb->s_dev);
if (size < minsize)
size = minsize;
return sb_set_blocksize(sb, size);
}
#endif /* Kernel 2.4 */
#endif /* _VXFS_KCOMPAT_H */
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