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| author | Chris Mason <chris.mason@oracle.com> | 2007-12-19 00:25:45 +0300 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 19:03:58 +0400 |
| commit | 190662b2128dd648749e197f5563e9f6bbb5e05c (patch) | |
| tree | dba934f3932650ad4f975073d1871c7424ef18d2 /fs/btrfs/extent_map.c | |
| parent | 4aec2b52327b3a3a20faa3f1af3102c0d97c7c92 (diff) | |
| download | linux-190662b2128dd648749e197f5563e9f6bbb5e05c.tar.xz | |
Btrfs: Fix delayed allocation to avoid missing delalloc extents
find_lock_delalloc_range could exit out too early
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent_map.c')
| -rw-r--r-- | fs/btrfs/extent_map.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 0d1e59a86e49..a0dff34dd437 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -1070,6 +1070,7 @@ u64 find_lock_delalloc_range(struct extent_map_tree *tree, search_again: node = tree_search(&tree->state, cur_start); if (!node || IS_ERR(node)) { + *end = (u64)-1; goto out; } @@ -1079,6 +1080,8 @@ search_again: goto out; } if (!(state->state & EXTENT_DELALLOC)) { + if (!found) + *end = state->end; goto out; } if (!found) { @@ -1841,8 +1844,10 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc, nr_delalloc = find_lock_delalloc_range(tree, &delalloc_start, &delalloc_end, 128 * 1024 * 1024); - if (nr_delalloc <= 0) - break; + if (nr_delalloc == 0) { + delalloc_start = delalloc_end + 1; + continue; + } tree->ops->fill_delalloc(inode, delalloc_start, delalloc_end); clear_extent_bit(tree, delalloc_start, |