bcachefs: Inline data extents

This implements extents that have their data inline, in the value,
instead of the bkey value being pointers to the data - and the read and
write paths are updated to read from these new extent types and write
them out, when the write size is small enough.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/bcachefs/extents.h b/fs/bcachefs/extents.h
index e360e1989812..35a66d4f4ea2 100644
--- a/fs/bcachefs/extents.h
+++ b/fs/bcachefs/extents.h
@@ -456,6 +456,7 @@ static inline bool bkey_extent_is_direct_data(const struct bkey *k)
 static inline bool bkey_extent_is_data(const struct bkey *k)
 {
 	return bkey_extent_is_direct_data(k) ||
+		k->type == KEY_TYPE_inline_data ||
 		k->type == KEY_TYPE_reflink_p;
 }
 
@@ -469,6 +470,7 @@ static inline bool bkey_extent_is_allocation(const struct bkey *k)
 	case KEY_TYPE_reservation:
 	case KEY_TYPE_reflink_p:
 	case KEY_TYPE_reflink_v:
+	case KEY_TYPE_inline_data:
 		return true;
 	default:
 		return false;