diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-11 16:22:27 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-11 16:22:27 -0300 |
| commit | 29f5b648fa0b31ad614c78468b9279e5fa96397a (patch) | |
| tree | 385e76324c4e95e90b16889937e7c24e6f7d4f4a /fs/btrfs/inode.c | |
| parent | 1eae9639aac0f8de4d284f567ec722a822b52513 (diff) | |
Linux-libre 4.8.7-gnupck-4.8.7-gnu
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index e6811c42e..bc1a004d4 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -8915,9 +8915,14 @@ again: * So even we call qgroup_free_data(), it won't decrease reserved * space. * 2) Not written to disk - * This means the reserved space should be freed here. + * This means the reserved space should be freed here. However, + * if a truncate invalidates the page (by clearing PageDirty) + * and the page is accounted for while allocating extent + * in btrfs_check_data_free_space() we let delayed_ref to + * free the entire extent. */ - btrfs_qgroup_free_data(inode, page_start, PAGE_SIZE); + if (PageDirty(page)) + btrfs_qgroup_free_data(inode, page_start, PAGE_SIZE); if (!inode_evicting) { clear_extent_bit(tree, page_start, page_end, EXTENT_LOCKED | EXTENT_DIRTY | |