[PATCH] reiserfs: eliminate minimum window size for bitmap searching

[safe/jmp/linux-2.6] / fs / reiserfs / bitmap.c

diff --git a/fs/reiserfs/bitmap.c b/fs/reiserfs/bitmap.c
index cca1dbf..1bfae42 100644 (file)
--- a/fs/reiserfs/bitmap.c
+++ b/fs/reiserfs/bitmap.c
@@ -1034,7 +1034,6 @@ static inline int blocknrs_and_prealloc_arrays_from_search_start
        b_blocknr_t finish = SB_BLOCK_COUNT(s) - 1;
        int passno = 0;
        int nr_allocated = 0;
-       int bigalloc = 0;
 
        determine_prealloc_size(hint);
        if (!hint->formatted_node) {
@@ -1061,28 +1060,9 @@ static inline int blocknrs_and_prealloc_arrays_from_search_start
                                hint->preallocate = hint->prealloc_size = 0;
                }
                /* for unformatted nodes, force large allocations */
-               bigalloc = amount_needed;
        }
 
        do {
-               /* in bigalloc mode, nr_allocated should stay zero until
-                * the entire allocation is filled
-                */
-               if (unlikely(bigalloc && nr_allocated)) {
-                       reiserfs_warning(s, "bigalloc is %d, nr_allocated %d\n",
-                                        bigalloc, nr_allocated);
-                       /* reset things to a sane value */
-                       bigalloc = amount_needed - nr_allocated;
-               }
-               /*
-                * try pass 0 and pass 1 looking for a nice big
-                * contiguous allocation.  Then reset and look
-                * for anything you can find.
-                */
-               if (passno == 2 && bigalloc) {
-                       passno = 0;
-                       bigalloc = 0;
-               }
                switch (passno++) {
                case 0: /* Search from hint->search_start to end of disk */
                        start = hint->search_start;
@@ -1120,8 +1100,7 @@ static inline int blocknrs_and_prealloc_arrays_from_search_start
                                                                 new_blocknrs +
                                                                 nr_allocated,
                                                                 start, finish,
-                                                                bigalloc ?
-                                                                bigalloc : 1,
+                                                                1,
                                                                 amount_needed -
                                                                 nr_allocated,
                                                                 hint->