[Ocfs2-devel] [PATCH 5/5] ocfs2: remove ocfs2_local_alloc_in_range()
Mark Fasheh
mfasheh at suse.com
Tue Mar 16 23:59:14 PDT 2010
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 at suse.com>
---
fs/ocfs2/localalloc.c | 51 -------------------------------------------------
fs/ocfs2/suballoc.c | 6 +----
2 files changed, 1 insertions(+), 56 deletions(-)
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index ebab3c0..6515ca7 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -484,46 +484,6 @@ 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.
@@ -616,17 +576,6 @@ 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 62c570c..0120a4b 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -861,11 +861,7 @@ 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;
}
--
1.6.4.2
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