| #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 */ |
