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[PATCH 1_4] Merge common get_dev() routines for block devices

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Each of the filesystem drivers duplicate the get_dev routine.  This change
merges them into a single function in part.c

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Grant Likely
2007-02-20 09:04:34 +01:00
committed by Stefan Roese
parent 620d3c9a14
commit 735dd97b1b
15 changed files with 82 additions and 125 deletions
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49
disk/part.c
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@@ -24,6 +24,7 @@
#include <common.h>
#include <command.h>
#include <ide.h>
#include <part.h>
#undef PART_DEBUG
@@ -33,6 +34,54 @@
#define PRINTF(fmt,args...)
#endif
#if ((CONFIG_COMMANDS & CFG_CMD_IDE) || \
(CONFIG_COMMANDS & CFG_CMD_SCSI) || \
(CONFIG_COMMANDS & CFG_CMD_USB) || \
defined(CONFIG_MMC) || \
defined(CONFIG_SYSTEMACE) )
struct block_drvr {
char *name;
block_dev_desc_t* (*get_dev)(int dev);
};
static const struct block_drvr block_drvr[] = {
#if (CONFIG_COMMANDS & CFG_CMD_IDE)
{ .name = "ide", .get_dev = ide_get_dev, },
#endif
#if (CONFIG_COMMANDS & CFG_CMD_SCSI)
{ .name = "scsi", .get_dev = scsi_get_dev, },
#endif
#if ((CONFIG_COMMANDS & CFG_CMD_USB) && defined(CONFIG_USB_STORAGE))
{ .name = "usb", .get_dev = usb_stor_get_dev, },
#endif
#if defined(CONFIG_MMC)
{ .name = "mmc", .get_dev = mmc_get_dev, },
#endif
#if defined(CONFIG_SYSTEMACE)
{ .name = "ace", .get_dev = systemace_get_dev, },
#endif
{ },
};
block_dev_desc_t *get_dev(char* ifname, int dev)
{
const struct block_drvr *drvr = block_drvr;
while (drvr->name) {
if (strncmp(ifname, drvr->name, strlen(drvr->name)) == 0)
return drvr->get_dev(dev);
drvr++;
}
return NULL;
}
#else
block_dev_desc_t *get_dev(char* ifname, int dev)
{
return NULL;
}
#endif
#if ((CONFIG_COMMANDS & CFG_CMD_IDE) || \
(CONFIG_COMMANDS & CFG_CMD_SCSI) || \
(CONFIG_COMMANDS & CFG_CMD_USB) || \