diff options
Diffstat (limited to 'fs/btrfs/extent-io-tree.h')
| -rw-r--r-- | fs/btrfs/extent-io-tree.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/extent-io-tree.h b/fs/btrfs/extent-io-tree.h index 5a53a4558366..d7f5afeb5ce7 100644 --- a/fs/btrfs/extent-io-tree.h +++ b/fs/btrfs/extent-io-tree.h @@ -43,6 +43,15 @@ enum { * want the extent states to go away. */ ENUM_BIT(EXTENT_CLEAR_ALL_BITS), + + /* + * This must be last. + * + * Bit not representing a state but a request for NOWAIT semantics, + * e.g. when allocating memory, and must be masked out from the other + * bits. + */ + ENUM_BIT(EXTENT_NOWAIT) }; #define EXTENT_DO_ACCOUNTING (EXTENT_CLEAR_META_RESV | \ |