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Driver mapping refactory.

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VFS CHANGES:
- dmap table no longer statically initialized in VFS
- Dropped FSSIGNON svrctl call no longer used by INET

INET CHANGES:
- INET announces its presence to VFS just like any other driver

RS CHANGES:
- The boot image dev table contains all the data to initialize VFS' dmap table
- RS interface supports asynchronous up and update operations now
- RS interface extended to support driver style and flags
This commit is contained in:
Cristiano Giuffrida
2010-04-09 21:56:44 +00:00
parent c1bfcc9119
commit 65ef539739
34 changed files with 357 additions and 280 deletions
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31
servers/is/dmp_fs.c
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@@ -59,11 +59,29 @@ PUBLIC void fproc_dmp()
PRIVATE char * dmap_flags(int flags)
{
static char fl[10];
strcpy(fl, "---");
if(flags & DMAP_MUTABLE) fl[0] = 'M';
strcpy(fl, "-----");
if(flags & DRV_FORCED) fl[0] = 'F';
return fl;
}
/*===========================================================================*
* dmap_style *
*===========================================================================*/
PRIVATE char * dmap_style(int dev_style)
{
static char str[16];
switch(dev_style) {
case STYLE_DEV: strcpy(str, "STYLE_DEV"); break;
case STYLE_DEVA: strcpy(str, "STYLE_DEVA"); break;
case STYLE_TTY: strcpy(str, "STYLE_TTY"); break;
case STYLE_CTTY: strcpy(str, "STYLE_CTTY"); break;
case STYLE_CLONE: strcpy(str, "STYLE_CLONE"); break;
default: strcpy(str, "UNKNOWN"); break;
}
return str;
}
/*===========================================================================*
* dtab_dmp *
*===========================================================================*/
@@ -74,12 +92,13 @@ PUBLIC void dtab_dmp()
getsysinfo(FS_PROC_NR, SI_DMAP_TAB, dmap);
printf("File System (FS) device <-> driver mappings\n");
printf("Major Driver ept Flags\n");
printf("----- ---------- -----\n");
printf(" Label Major Driver ept Flags Style \n");
printf("------------- ----- ---------- ----- -------------\n");
for (i=0; i<NR_DEVICES; i++) {
if (dmap[i].dmap_driver == NONE) continue;
printf("%5d %10d %s\n",
i, dmap[i].dmap_driver, dmap_flags(dmap[i].dmap_flags));
printf("%13s %5d %10d %s %-13s\n",
dmap[i].dmap_label, i, dmap[i].dmap_driver,
dmap_flags(dmap[i].dmap_flags), dmap_style(dmap[i].dmap_style));
}
}