diff options
Diffstat (limited to 'sys/dev/vinum/vinumlock.c')
| -rw-r--r-- | sys/dev/vinum/vinumlock.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/sys/dev/vinum/vinumlock.c b/sys/dev/vinum/vinumlock.c index b367dc5..0809424 100644 --- a/sys/dev/vinum/vinumlock.c +++ b/sys/dev/vinum/vinumlock.c @@ -40,9 +40,11 @@ #include "opt_vinum.h" #include <dev/vinum/vinumhdr.h> -/* Lock routines. Currently, we lock either an individual volume +/* + * Lock routines. Currently, we lock either an individual volume * or the global configuration. I don't think tsleep and - * wakeup are SMP safe. FIXME XXX */ + * wakeup are SMP safe. FIXME XXX + */ /* Lock a drive, wait if it's in use */ int @@ -52,11 +54,13 @@ lockdrive(struct drive *drive) /* XXX get rid of drive->flags |= VF_LOCKING; */ while ((drive->flags & VF_LOCKED) != 0) { - /* There are problems sleeping on a unique identifier, + /* + * There are problems sleeping on a unique identifier, * since the drive structure can move, and the unlock * function can be called after killing the drive. * Solve this by waiting on this function; the number - * of conflicts is negligible */ + * of conflicts is negligible + */ if ((error = tsleep(&lockdrive, PRIBIO | PCATCH, "vindrv", @@ -85,10 +89,12 @@ lockvol(struct volume *vol) while ((vol->flags & VF_LOCKED) != 0) { vol->flags |= VF_LOCKING; - /* It would seem to make more sense to sleep on + /* + * It would seem to make more sense to sleep on * the address 'vol'. Unfortuntaly we can't * guarantee that this address won't change due to - * table expansion. The address we choose won't change. */ + * table expansion. The address we choose won't change. + */ if ((error = tsleep(&vinum_conf.volume + vol->devno, PRIBIO | PCATCH, "volock", @@ -118,10 +124,12 @@ lockplex(struct plex *plex) while ((plex->flags & VF_LOCKED) != 0) { plex->flags |= VF_LOCKING; - /* It would seem to make more sense to sleep on + /* + * It would seem to make more sense to sleep on * the address 'plex'. Unfortunately we can't * guarantee that this address won't change due to - * table expansion. The address we choose won't change. */ + * table expansion. The address we choose won't change. + */ if ((error = tsleep(&vinum_conf.plex + plex->sdnos[0], PRIBIO | PCATCH, "plexlk", |
