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| author | Chris Mason <chris.mason@oracle.com> | 2007-08-10 14:42:37 -0400 |
|---|---|---|
| committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-08-10 14:42:37 -0400 |
| commit | f2183bde1a918d338337955c8e8ba29bd8f5e7b1 (patch) | |
| tree | e27baea3779112618d2158902270c460444feeff /fs/btrfs/extent-tree.c | |
| parent | e9d0b13b5bbb58c9b840e407a8d181442f799966 (diff) | |
| download | kernel_samsung_smdk4412-f2183bde1a918d338337955c8e8ba29bd8f5e7b1.zip kernel_samsung_smdk4412-f2183bde1a918d338337955c8e8ba29bd8f5e7b1.tar.gz kernel_samsung_smdk4412-f2183bde1a918d338337955c8e8ba29bd8f5e7b1.tar.bz2 | |
Btrfs: Add BH_Defrag to mark buffers that are in need of defragging
This allows the tree walking code to defrag only the newly allocated
buffers, it seems to be a good balance between perfect defragging and the
performance hit of repeatedly reallocating blocks.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 3418bb6..b364123 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -1015,6 +1015,7 @@ check_failed: ins->objectid = search_start; ins->offset = 0; start_found = 0; + path->reada = 1; ret = btrfs_search_slot(trans, root, ins, path, 0, 0); if (ret < 0) @@ -1264,6 +1265,7 @@ struct buffer_head *btrfs_alloc_free_block(struct btrfs_trans_handle *trans, WARN_ON(buffer_dirty(buf)); set_buffer_uptodate(buf); set_buffer_checked(buf); + set_buffer_defrag(buf); set_radix_bit(&trans->transaction->dirty_pages, buf->b_page->index); return buf; } |