diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2010-03-24 14:43:19 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2010-03-24 14:43:19 +0000 |
| commit | 255ca65791a980c20b5d0289945b69eb96673bf9 (patch) | |
| tree | 185af94ed9762a597b353416df1bc2c8e0e5f36e /sys | |
| parent | 05ecce0c28c82d296891e09de61a6b0628388ae2 (diff) | |
Notes
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/fs/msdosfs/msdosfs_fat.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/fs/msdosfs/msdosfs_fat.c b/sys/fs/msdosfs/msdosfs_fat.c index 02cb17ea45dd..c857b3426268 100644 --- a/sys/fs/msdosfs/msdosfs_fat.c +++ b/sys/fs/msdosfs/msdosfs_fat.c @@ -413,7 +413,12 @@ usemap_alloc(pmp, cn) { MSDOSFS_ASSERT_MP_LOCKED(pmp); + + KASSERT((pmp->pm_inusemap[cn / N_INUSEBITS] & (1 << (cn % N_INUSEBITS))) + == 0, ("Allocating used sector %ld %ld %x", cn, cn % N_INUSEBITS, + (unsigned)pmp->pm_inusemap[cn / N_INUSEBITS])); pmp->pm_inusemap[cn / N_INUSEBITS] |= 1 << (cn % N_INUSEBITS); + KASSERT(pmp->pm_freeclustercount > 0, ("usemap_alloc: too little")); pmp->pm_freeclustercount--; } @@ -425,6 +430,9 @@ usemap_free(pmp, cn) MSDOSFS_ASSERT_MP_LOCKED(pmp); pmp->pm_freeclustercount++; + KASSERT((pmp->pm_inusemap[cn / N_INUSEBITS] & (1 << (cn % N_INUSEBITS))) + != 0, ("Freeing unused sector %ld %ld %x", cn, cn % N_INUSEBITS, + (unsigned)pmp->pm_inusemap[cn / N_INUSEBITS])); pmp->pm_inusemap[cn / N_INUSEBITS] &= ~(1 << (cn % N_INUSEBITS)); } |