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bcachefs: delete some dead code

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2018-11-09 01:42:49 -05:00 committed by Kent Overstreet
parent 82ebd49cd6
commit 75369d4ec3
1 changed files with 0 additions and 84 deletions
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84
fs/bcachefs/util.h
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@ -455,96 +455,12 @@ do { \
(var)->p_term_inverse, 1, INT_MAX); \
} while (0)
#define __DIV_SAFE(n, d, zero) \
({ \
typeof(n) _n = (n); \
typeof(d) _d = (d); \
_d ? _n / _d : zero; \
})
#define DIV_SAFE(n, d) __DIV_SAFE(n, d, 0)
#define container_of_or_null(ptr, type, member) \
({ \
typeof(ptr) _ptr = ptr; \
_ptr ? container_of(_ptr, type, member) : NULL; \
})
#define RB_INSERT(root, new, member, cmp) \
({ \
__label__ dup; \
struct rb_node **n = &(root)->rb_node, *parent = NULL; \
typeof(new) this; \
int res, ret = -1; \
\
while (*n) { \
parent = *n; \
this = container_of(*n, typeof(*(new)), member); \
res = cmp(new, this); \
if (!res) \
goto dup; \
n = res < 0 \
? &(*n)->rb_left \
: &(*n)->rb_right; \
} \
\
rb_link_node(&(new)->member, parent, n); \
rb_insert_color(&(new)->member, root); \
ret = 0; \
dup: \
ret; \
})
#define RB_SEARCH(root, search, member, cmp) \
({ \
struct rb_node *n = (root)->rb_node; \
typeof(&(search)) this, ret = NULL; \
int res; \
\
while (n) { \
this = container_of(n, typeof(search), member); \
res = cmp(&(search), this); \
if (!res) { \
ret = this; \
break; \
} \
n = res < 0 \
? n->rb_left \
: n->rb_right; \
} \
ret; \
})
#define RB_GREATER(root, search, member, cmp) \
({ \
struct rb_node *n = (root)->rb_node; \
typeof(&(search)) this, ret = NULL; \
int res; \
\
while (n) { \
this = container_of(n, typeof(search), member); \
res = cmp(&(search), this); \
if (res < 0) { \
ret = this; \
n = n->rb_left; \
} else \
n = n->rb_right; \
} \
ret; \
})
#define RB_FIRST(root, type, member) \
container_of_or_null(rb_first(root), type, member)
#define RB_LAST(root, type, member) \
container_of_or_null(rb_last(root), type, member)
#define RB_NEXT(ptr, member) \
container_of_or_null(rb_next(&(ptr)->member), typeof(*ptr), member)
#define RB_PREV(ptr, member) \
container_of_or_null(rb_prev(&(ptr)->member), typeof(*ptr), member)
/* Does linear interpolation between powers of two */
static inline unsigned fract_exp_two(unsigned x, unsigned fract_bits)
{