[Ocfs2-devel] [PATCH][2.6 PORT] more ocfs.h cleanup

Wim Coekaerts wim.coekaerts at oracle.com
Mon Feb 9 14:20:14 CST 2004


cool thanks Rusty, we ll have a loko at it, Mark has a little car
accident ove rthe weekend so I don't think he will be in today (not
sure bout his status)

Wim

On Mon, Feb 09, 2004 at 12:45:47PM -0800, Rusty Lynch wrote:
> The following is a patch that cleans up src/inc/ocfs.h in another step
> towards a port to the 2.6 kernel.
> 
>     --rusty
> 
> Index: src/inc/ocfs.h
> ===================================================================
> --- src/inc/ocfs.h	(revision 29)
> +++ src/inc/ocfs.h	(working copy)
> @@ -5,19 +5,6 @@
>  struct mem_dqinfo;
>  extern inline void mark_info_dirty(struct mem_dqinfo *info);
>  
> -#ifndef LINUX_2_5
> -#ifdef __ia64__
> -extern inline void prefetch(const void *x);
> -extern inline void prefetchw(const void *x);
> -#else
> -static inline void prefetch(const void *x);
> -static inline void prefetchw(const void *x);
> -#endif
> -extern inline int generic_fls(int x);
> -extern inline int get_bitmask_order(unsigned int count);
> -#endif /* !LINUX_2_5 */
> -
> -
>  /*
>  ** System header files
>  */
> @@ -30,8 +17,20 @@
>  #include  <linux/kernel.h>
>  #include  <asm/byteorder.h>
>  #include  <linux/spinlock.h>
> +
> +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
> +#ifdef __ia64__
> +extern inline void prefetch(const void *x);
> +extern inline void prefetchw(const void *x);
> +#else
> +static inline void prefetch(const void *x);
> +static inline void prefetchw(const void *x);
> +#endif
> +extern inline int generic_fls(int x);
> +extern inline int get_bitmask_order(unsigned int count);
> +#endif /* 2.4 kernel */
> +
>  #include  <linux/slab.h>
> -#include  <linux/slab.h>
>  #include  <linux/sched.h>
>  #include  <linux/delay.h>
>  #include  <linux/wait.h>
> @@ -41,7 +40,7 @@
>  #include  <linux/random.h>
>  #include  <linux/string.h>
>  #include  <linux/jbd.h>
> -#ifdef LINUX_2_5
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
>  #include <linux/writeback.h>
>  #else
>  #include  <linux/locks.h>
> @@ -56,13 +55,13 @@
>  #include  <linux/net.h>
>  #include  <net/sock.h>
>  #include  <linux/ctype.h>
> -#ifdef LINUX_2_5
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
>  #include  <linux/workqueue.h>
>  #else
>  #include  <linux/tqueue.h>
>  #endif
>  #include  <linux/inet.h>
> -#ifdef LINUX_2_5
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
>  #include <asm/statfs.h>
>  #include <linux/blkdev.h>
>  #include <linux/in.h>
> @@ -71,8 +70,6 @@
>  
>  #include "journal.h"
>  
> -
> -
>  typedef enum { false = 0, true = 1 } ocfs_bool;
>  
>  /* This should be removed and all old code fixed to just use ocfs_bool */
> @@ -90,7 +87,6 @@
>  #define OCFS_GCC_ATTR_PACKALGN
>  #endif
>  
> -
>  enum
>  {
>  	OCFS_VOTE_REQUEST = 1,
> @@ -116,19 +112,16 @@
>  	REMASTER_REQUESTOR    // remaster lock to requestor
>  };
>  
> -
>  enum {
>  	NOT_VOTING = 0, 
>  	DOING_HEARTBEAT, 
>  	SKIPPED_HEARTBEAT
>  };
>  
> -
>  #define  OCFS_MAX_DLM_PKT_SIZE			256
>  #define  OCFS_DLM_MAX_MSG_SIZE			256
>  #define  OCFS_DLM_MSG_MAGIC			0x79677083
>  
> -
>  enum {
>      OSB_DATA_LOCK,
>      OSB_MD_LOCK,
> @@ -179,7 +172,7 @@
>  #endif
>  
>  
> -#ifdef LINUX_2_5
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
>  #define OcfsQuerySystemTime(t)						      \
>  	do {								      \
>  		*t = (__u64)(CURRENT_TIME.tv_sec) * (__u64) 10000000;	      \
> @@ -1084,7 +1077,7 @@
>  #define  OCFS_IOC_GETTYPE        _IOR(OCFS_IOC_MAGIC, 1, struct ocfs_ioc)
>  
>  
> -#ifndef LINUX_2_5
> +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
>  typedef long sector_t;
>  #define map_bh(bh, sb, blk)   \
>  	({ \
> @@ -1094,12 +1087,12 @@
>  	})
>  #endif
>  
> -#ifndef LINUX_2_5
> +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
>  #include <linux/iobuf.h>
>  #endif /* for 2.5 - no more kiovec, kiobuf structures - vfs handles
>  	* this for us (direct i/o) */
>  #include <linux/sysctl.h>
> -#ifdef LINUX_2_5
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
>  #include <linux/moduleparam.h>
>  #endif
>  
> @@ -1113,48 +1106,32 @@
>  #endif
>  
>  /* Operates on a struct super_block * */
> -#ifdef LINUX_2_5
> -#define OCFS_SB_GET_KDEV(sb)  (to_kdev_t(sb->s_dev))
> -#define OCFS_SET_INODE_DEV(sb, inode)   (inode->i_rdev = OCFS_SB_GET_KDEV(sb))
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
> +#define OCFS_SET_INODE_DEV(sb, inode)   (inode->i_rdev = sb->sdev)
>  typedef struct block_device * ocfs_blockdev;
>  typedef dev_t ocfs_dev;
>  #define OCFS_NODEV     NODEV.value
>  #define OCFS_GET_BLOCKDEV(sb)   ((sb)->s_bdev)
> -#else
> -#define OCFS_SB_GET_KDEV(sb)  (sb->s_dev)
> -#define OCFS_SET_INODE_DEV(sb, inode)   (inode->i_dev = OCFS_SB_GET_KDEV(sb))
> +#else /* 2.4 kernel */
> +#define OCFS_SET_INODE_DEV(sb, inode)   (inode->i_dev = sb->s_dev)
>  typedef kdev_t ocfs_blockdev;
>  typedef int ocfs_dev;
>  #define OCFS_NODEV     NODEV
>  #define OCFS_GET_BLOCKDEV(sb)   ((sb)->s_dev)
>  #endif
>  
> -
> -
> -
> -//#if LINUX_VERSION_CODE >= LinuxVersionCode(2,5,0)
> -
> -//#ifndef LINUX_2_5
> -//#define LINUX_2_5
> -//#endif
> -
> -//#endif
> -
> -#if LINUX_2_5
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
>  /* No longer exists in 2.5 */
>  #define fsync_inode_buffers(inode) sync_mapping_buffers(inode->i_mapping)
>  #define getblk(dev, blk, sz)	__getblk(dev, blk, sz)
> -#define MOD_INC_USE_COUNT do { } while(0)
> -#define MOD_DEC_USE_COUNT do { } while(0)
> -#endif /* LINUX_2_5 */
> +#endif /* >= 2.6.0  */
>  
> -#ifdef LINUX_2_5
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
>  #define OCFS_GENERIC_SB_P(sb)	((ocfs_super *)(sb->s_fs_info))
>  #else
>  #define OCFS_GENERIC_SB_P(sb)	((ocfs_super *)(sb->u.generic_sbp))
>  #endif
>  
> -
>  extern __u32 debug_context;
>  extern __u32 debug_level;
>  extern __u32 debug_exclude;
> @@ -1553,7 +1530,11 @@
>  	struct semaphore s_sem;
>  	struct list_head s_list;
>  	unsigned long s_blocknr;
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
> +	dev_t s_dev;
> +#else
>  	kdev_t s_dev;
> +#endif
>  	atomic_t s_refcnt;
>  	struct buffer_head *s_bh;
>  	wait_queue_head_t s_wait;
> @@ -2345,7 +2326,7 @@
>  	__s32 msg_len;
>  	__u8 msg[OCFS_MAX_DLM_PKT_SIZE];
>  	int status;
> -#ifdef LINUX_2_5
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
>  	struct work_struct ipc_wq;
>  #else
>  	struct tq_struct ipc_tq;
> @@ -2364,7 +2345,7 @@
>  
>  typedef struct _ocfs_cfg_task
>  {
> -#ifdef LINUX_2_5
> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
>  	struct work_struct cfg_wq;
>  #else
>  	struct tq_struct cfg_tq;
> _______________________________________________
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