diff options
| author | grog <grog@FreeBSD.org> | 1998-11-02 04:09:09 +0000 |
|---|---|---|
| committer | grog <grog@FreeBSD.org> | 1998-11-02 04:09:09 +0000 |
| commit | fad87abf77bdf42cdd6fd29f8d12678afdbb2bc2 (patch) | |
| tree | 25aa19104f5ac2122702d05b0fb1d256312f0a3f /lkm | |
| parent | fd0b82172d177e71830d3964b876273d29348386 (diff) | |
| download | FreeBSD-src-fad87abf77bdf42cdd6fd29f8d12678afdbb2bc2.zip FreeBSD-src-fad87abf77bdf42cdd6fd29f8d12678afdbb2bc2.tar.gz | |
Accept incorrect device open counts, but print a warning
Don't save invalid drive config information, remove the drive
Diffstat (limited to 'lkm')
| -rw-r--r-- | lkm/vinum/io.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/lkm/vinum/io.c b/lkm/vinum/io.c index a16a33a..8feea85 100644 --- a/lkm/vinum/io.c +++ b/lkm/vinum/io.c @@ -33,7 +33,7 @@ * otherwise) arising in any way out of the use of this software, even if * advised of the possibility of such damage. * - * $Id: io.c,v 1.16 1998/08/10 23:47:21 grog Exp grog $ + * $Id: io.c,v 1.19 1998/10/30 00:38:15 grog Exp grog $ */ #define STATIC /* nothing while we're testing XXX */ @@ -81,6 +81,12 @@ open_drive(struct drive *drive, struct proc *p) drive->p = p; if (drive->vp->v_usecount > 1) { /* already in use? */ +#if 1 + printf("open_drive %s: use count %d, ignoring\n", /* XXX where does this come from? */ + drive->devicename, + drive->vp->v_usecount); + drive->vp->v_usecount = 1; /* will this work? */ +#else #if __FreeBSD__ == 2 /* pre-4.4BSD Lite/2 parameters */ VOP_UNLOCK(drive->vp); #else @@ -91,6 +97,7 @@ open_drive(struct drive *drive, struct proc *p) drive->lasterror = EBUSY; printf("vinum open_drive %s: Drive in use\n", drive->devicename); /* XXX */ return EBUSY; +#endif } error = VOP_GETATTR(drive->vp, &va, NOCRED, p); if (error) { @@ -218,6 +225,10 @@ close_drive(struct drive *drive) { if (drive->vp) { vn_close(drive->vp, FREAD | FWRITE, NOCRED, drive->p); + if (drive->vp->v_usecount) { /* XXX shouldn't happen */ + printf("close_drive %s: use count still %d\n", drive->devicename, drive->vp->v_usecount); + drive->vp->v_usecount = 0; /* will this work? */ + } drive->vp = NULL; } } @@ -242,7 +253,6 @@ remove_drive(int driveno) } /* Transfer drive data. Usually called from one of these defines; - * #define read_drive(a, b, c, d) driveio (a, b, c, d, B_READ) * #define write_drive(a, b, c, d) driveio (a, b, c, d, B_WRITE) * @@ -742,6 +752,11 @@ save_config(void) for (driveno = 0; driveno < vinum_conf.drives_used; driveno++) { drive = &vinum_conf.drive[driveno]; /* point to drive */ + if ((drive->devicename[0] == '\0') /* XXX we keep getting these nameless drives */ + ||(drive->label.name[0] == '\0')) { /* XXX we keep getting these nameless drives */ + free_drive(drive); /* get rid of it */ + break; + } if (drive->state != drive_down) { #if (__FreeBSD__ >= 3) getmicrotime(&drive->label.last_update); /* time of last update is now */ |
