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| author | Kent Overstreet <kmo@daterainc.com> | 2013-11-11 22:03:54 -0500 |
|---|---|---|
| committer | Kent Overstreet <kmo@daterainc.com> | 2014-01-08 16:05:13 -0500 |
| commit | 59158fde429fb5d18064e2734b3dd5e6048affbd (patch) | |
| tree | 1cc4d34e0ba1523155dad7b8726b5249d050cc34 /include/uapi | |
| parent | a85e968e66a175c86d0410719ea84a5bd0f1d070 (diff) | |
bcache: Add bch_btree_keys_u64s_remaining()
Helper function to explicitly check how much space is free in a btree node
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/bcache.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/bcache.h b/include/uapi/linux/bcache.h index ae66311be82f..22b6ad31c706 100644 --- a/include/uapi/linux/bcache.h +++ b/include/uapi/linux/bcache.h | |||
| @@ -39,6 +39,7 @@ static inline void SET_##name(struct bkey *k, unsigned i, __u64 v) \ | |||
| 39 | } | 39 | } |
| 40 | 40 | ||
| 41 | #define KEY_SIZE_BITS 16 | 41 | #define KEY_SIZE_BITS 16 |
| 42 | #define KEY_MAX_U64S 8 | ||
| 42 | 43 | ||
| 43 | KEY_FIELD(KEY_PTRS, high, 60, 3) | 44 | KEY_FIELD(KEY_PTRS, high, 60, 3) |
| 44 | KEY_FIELD(HEADER_SIZE, high, 58, 2) | 45 | KEY_FIELD(HEADER_SIZE, high, 58, 2) |