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Re: [lvm-devel] [PATCH 14/14] Un-export vg_read_internal.



On Thu, 2009-01-22 at 11:10 +0100, Petr Rockai wrote:
> Thu Jan 22 10:56:49 CET 2009  Petr Rockai <me mornfall net>
>   * Un-export vg_read_internal.
> diff -rN -u -p old-temp.4430/lib/metadata/metadata.c new-temp.4430/lib/metadata/metadata.c
> --- old-temp.4430/lib/metadata/metadata.c	2009-01-22 11:02:58.730781531 +0100
> +++ new-temp.4430/lib/metadata/metadata.c	2009-01-22 11:02:58.778780229 +0100
> @@ -31,6 +31,9 @@
>  
>  #include <sys/param.h>
>  
> +static struct volume_group *_vg_read_internal(struct cmd_context *cmd,
> +					      const char *vgname,
> +					      const char *vgid, int *consistent);
>  /*
>   * FIXME: Check for valid handle before dereferencing field or log error?
>   */
> @@ -224,8 +227,8 @@ int get_pv_from_vg_by_id(const struct fo
>  	struct pv_list *pvl;
>  	int consistent = 0;
>  
> -	if (!(vg = vg_read_internal(fmt->cmd, vg_name, vgid, &consistent))) {
> -		log_error("get_pv_from_vg_by_id: vg_read_internal failed to read VG %s",
> +	if (!(vg = _vg_read_internal(fmt->cmd, vg_name, vgid, &consistent))) {
> +		log_error("get_pv_from_vg_by_id: _vg_read_internal failed to read VG %s",
>  			  vg_name);
>  		return 0;
>  	}
> @@ -503,7 +506,7 @@ struct volume_group *vg_create(struct cm
>  		return_NULL;
>  
>  	/* is this vg name already in use ? */
> -	if (vg_read_internal(cmd, vg_name, NULL, &consistent)) {
> +	if (_vg_read_internal(cmd, vg_name, NULL, &consistent)) {
>  		log_err("A volume group called '%s' already exists.", vg_name);
>  		goto bad;
>  	}
> @@ -1716,7 +1719,7 @@ static struct volume_group *_vg_read(str
>  
>  	if (is_orphan_vg(vgname)) {
>  		if (use_precommitted) {
> -			log_error("Internal error: vg_read_internal requires vgname "
> +			log_error("Internal error: _vg_read_internal requires vgname "
>  				  "with pre-commit.");
>  			return NULL;
>  		}
> @@ -1974,8 +1977,9 @@ static struct volume_group *_vg_read(str
>  	return correct_vg;
>  }
>  
> -struct volume_group *vg_read_internal(struct cmd_context *cmd, const char *vgname,
> -			     const char *vgid, int *consistent)
> +static struct volume_group *_vg_read_internal(struct cmd_context *cmd,
> +					      const char *vgname,
> +					      const char *vgid, int *consistent)
>  {
>  	struct volume_group *vg;
>  	struct lv_list *lvl;
> @@ -2002,7 +2006,7 @@ struct volume_group *vg_read_internal(st
>  
>  /* This is only called by lv_from_lvid, which is only called from
>   * activate.c so we know the appropriate VG lock is already held and
> - * the vg_read_internal is therefore safe.
> + * the _vg_read_internal is therefore safe.
>   */
>  static struct volume_group *_vg_read_by_vgid(struct cmd_context *cmd,
>  					    const char *vgid,
> @@ -2034,7 +2038,7 @@ static struct volume_group *_vg_read_by_
>  	if (memlock())
>  		return NULL;
>  
> -	/* FIXME Need a genuine read by ID here - don't vg_read_internal by name! */
> +	/* FIXME Need a genuine read by ID here - don't _vg_read_internal by name! */
>  	/* FIXME Disabled vgrenames while active for now because we aren't
>  	 *       allowed to do a full scan here any more. */
>  
> @@ -2218,7 +2222,7 @@ static int _get_pvs(struct cmd_context *
>  			stack;
>  			continue;
>  		}
> -		if (!(vg = vg_read_internal(cmd, vgname, vgid, &consistent))) {
> +		if (!(vg = _vg_read_internal(cmd, vgname, vgid, &consistent))) {
>  			stack;
>  			continue;
>  		}
> @@ -2456,7 +2460,7 @@ static vg_t *_recover_vg(struct cmd_cont
>  	if (!lock_vol(cmd, lock, lock_flags))
>  		return_NULL;
>  
> -	if (!(vg = vg_read_internal(cmd, vg_name, vgid, &consistent)))
> +	if (!(vg = _vg_read_internal(cmd, vg_name, vgid, &consistent)))
>  		return_NULL;
>  	if (!consistent)
>  		return_NULL;
> @@ -2515,7 +2519,7 @@ static vg_t *_vg_lock_and_read(struct cm
>  	consistent_in = consistent;
>  
>  	/* If consistent == 1, we get NULL here if correction fails. */
> -	if (!(vg = vg_read_internal(cmd, vg_name, vgid, &consistent))) {
> +	if (!(vg = _vg_read_internal(cmd, vg_name, vgid, &consistent))) {
>  		if (consistent_in && !consistent) {
>  			log_error("Volume group \"%s\" inconsistent.", vg_name);
>  			failure |= FAILED_INCONSISTENT;
> diff -rN -u -p old-temp.4430/lib/metadata/metadata-exported.h new-temp.4430/lib/metadata/metadata-exported.h
> --- old-temp.4430/lib/metadata/metadata-exported.h	2009-01-22 11:02:58.730781531 +0100
> +++ new-temp.4430/lib/metadata/metadata-exported.h	2009-01-22 11:02:58.778780229 +0100
> @@ -364,8 +364,6 @@ struct lv_list {
>  int vg_write(struct volume_group *vg);
>  int vg_commit(struct volume_group *vg);
>  int vg_revert(struct volume_group *vg);
> -struct volume_group *vg_read_internal(struct cmd_context *cmd, const char *vg_name,
> -			     const char *vgid, int *consistent);
>  struct physical_volume *pv_read(struct cmd_context *cmd, const char *pv_name,
>  				struct dm_list *mdas, uint64_t *label_sector,
>  				int warnings);
> 


You can't do this patch until you fix clvmd lvm-functions.c - still
calls vg_read_internal().


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