diff options
| author | Josef Bacik <josef@toxicpanda.com> | 2018-12-03 10:20:35 -0500 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-12-17 14:51:47 +0100 |
| commit | 413df7252d5256df406a23d7efb679f46d19a23d (patch) | |
| tree | c64980d392f57896c9d70cf0e561b47dd6e5d26e /fs/btrfs/extent-tree.c | |
| parent | 4c8edbc75cb9ff846066cd9781ede4f27caf3cf4 (diff) | |
btrfs: add new flushing states for the delayed refs rsv
A nice thing we gain with the delayed refs rsv is the ability to flush
the delayed refs on demand to deal with enospc pressure. Add states to
flush delayed refs on demand, and this will allow us to remove a lot of
ad-hoc work around checking to see if we should commit the transaction
to run our delayed refs.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index e2f6dbed0c63..1b10c2fe7c7d 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4938,6 +4938,20 @@ static void flush_space(struct btrfs_fs_info *fs_info, shrink_delalloc(fs_info, num_bytes * 2, num_bytes, state == FLUSH_DELALLOC_WAIT); break; + case FLUSH_DELAYED_REFS_NR: + case FLUSH_DELAYED_REFS: + trans = btrfs_join_transaction(root); + if (IS_ERR(trans)) { + ret = PTR_ERR(trans); + break; + } + if (state == FLUSH_DELAYED_REFS_NR) + nr = calc_reclaim_items_nr(fs_info, num_bytes); + else + nr = 0; + btrfs_run_delayed_refs(trans, nr); + btrfs_end_transaction(trans); + break; case ALLOC_CHUNK: trans = btrfs_join_transaction(root); if (IS_ERR(trans)) { |