ocfs2: remove ocfs2_local_alloc_in_range()

Inodes are always allocated from the global bitmap now so we don't need this
any more. Also, the existing implementation bounces reservations around
needlessly.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>

2 files changed, 1 insertions, 56 deletions

diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 7fe8149a000..880e4bc827b 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -479,46 +479,6 @@ out:
         return status;
 }
 
-/* Check to see if the local alloc window is within ac->ac_max_block */
-static int ocfs2_local_alloc_in_range(struct inode *inode,
-                                      struct ocfs2_alloc_context *ac,
-                                      u32 bits_wanted)
-{
-        struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-        struct ocfs2_dinode *alloc;
-        struct ocfs2_local_alloc *la;
-        int start;
-        u64 block_off;
-
-        if (!ac->ac_max_block)
-                return 1;
-
-        alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data;
-        la = OCFS2_LOCAL_ALLOC(alloc);
-
-        start = ocfs2_local_alloc_find_clear_bits(osb, alloc, &bits_wanted, NULL);
-        if (start == -1) {
-                mlog_errno(-ENOSPC);
-                return 0;
-        }
-
-        /*
-         * Converting (bm_off + start + bits_wanted) to blocks gives us
-         * the blkno just past our actual allocation.  This is perfect
-         * to compare with ac_max_block.
-         */
-        block_off = ocfs2_clusters_to_blocks(inode->i_sb,
-                                             le32_to_cpu(la->la_bm_off) +
-                                             start + bits_wanted);
-        mlog(0, "Checking %llu against %llu\n",
-             (unsigned long long)block_off,
-             (unsigned long long)ac->ac_max_block);
-        if (block_off > ac->ac_max_block)
-                return 0;
-
-        return 1;
-}
-
 /*
  * make sure we've got at least bits_wanted contiguous bits in the
  * local alloc. You lose them when you drop i_mutex.
@@ -611,17 +571,6 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
                 mlog(0, "Calling in_range for max block %llu\n",
                      (unsigned long long)ac->ac_max_block);
 
-        if (!ocfs2_local_alloc_in_range(local_alloc_inode, ac,
-                                        bits_wanted)) {
-                /*
-                 * The window is outside ac->ac_max_block.
-                 * This errno tells the caller to keep localalloc enabled
-                 * but to get the allocation from the main bitmap.
-                 */
-                status = -EFBIG;
-                goto bail;
-        }
-
         ac->ac_inode = local_alloc_inode;
         /* We should never use localalloc from another slot */
         ac->ac_alloc_slot = osb->slot_num;
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index df95707c8b1..667d622b365 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -941,11 +941,7 @@ static int ocfs2_reserve_clusters_with_limit(struct ocfs2_super *osb,
                 status = ocfs2_reserve_local_alloc_bits(osb,
                                                         bits_wanted,
                                                         *ac);
-                if (status == -EFBIG) {
-                        /* The local alloc window is outside ac_max_block.
-                         * use the main bitmap. */
-                        status = -ENOSPC;
-                } else if ((status < 0) && (status != -ENOSPC)) {
+                if ((status < 0) && (status != -ENOSPC)) {
                         mlog_errno(status);
                         goto bail;
                 }