diff options
| -rw-r--r-- | fs/xfs/libxfs/xfs_alloc.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index bc3367b8b7bb..857a53e58b94 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -2042,6 +2042,7 @@ xfs_alloc_space_available( xfs_extlen_t alloc_len, longest; xfs_extlen_t reservation; /* blocks that are still reserved */ int available; + xfs_extlen_t agflcount; if (flags & XFS_ALLOC_FLAG_FREEING) return true; @@ -2054,8 +2055,13 @@ xfs_alloc_space_available( if (longest < alloc_len) return false; - /* do we have enough free space remaining for the allocation? */ - available = (int)(pag->pagf_freeblks + pag->pagf_flcount - + /* + * Do we have enough free space remaining for the allocation? Don't + * account extra agfl blocks because we are about to defer free them, + * making them unavailable until the current transaction commits. + */ + agflcount = min_t(xfs_extlen_t, pag->pagf_flcount, min_free); + available = (int)(pag->pagf_freeblks + agflcount - reservation - min_free - args->minleft); if (available < (int)max(args->total, alloc_len)) return false; |