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uplex-varnish
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Commits
7c4542ae
Unverified
Commit
7c4542ae
authored
Jan 20, 2024
by
Nils Goroll
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fellow_cache: Generalize/refactor fellow_cache_seg_deref_locked()
parent
d99cb0b6
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fellow_cache.c
src/fellow_cache.c
+15
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src/fellow_cache.c
View file @
7c4542ae
...
...
@@ -2898,24 +2898,33 @@ fellow_cache_seg_ref_locked(struct fellow_lru_chgbatch *lcb,
return (refcnt);
}
/* return new refcnt */
static inline unsigned
fellow_cache_seg_deref_locked
(
struct
fellow_lru_chgbatch
*
lcb
,
struct
fellow_cache_seg
*
fcs
)
fellow_cache_seg_deref_
n_
locked(struct fellow_lru_chgbatch *lcb,
struct fellow_cache_seg *fcs
, unsigned nref
)
{
unsigned refcnt;
int o, n;
AN
(
fcs
->
refcnt
);
refcnt
=
--
fcs
->
refcnt
;
assert(fcs->refcnt >= nref);
fcs->refcnt -= nref;
refcnt = fcs->refcnt;
o
=
fellow_cache_shouldlru
(
fcs
->
state
,
fcs
->
fco
->
oc
,
refcnt
+
1
);
o = fellow_cache_shouldlru(fcs->state, fcs->fco->oc, refcnt +
nref
);
n = fellow_cache_shouldlru(fcs->state, fcs->fco->oc, refcnt);
fellow_cache_lru_chg(lcb, fcs, n - o);
return (refcnt);
}
/* return new refcnt */
static inline unsigned
fellow_cache_seg_deref_locked(struct fellow_lru_chgbatch *lcb,
struct fellow_cache_seg *fcs)
{
return (fellow_cache_seg_deref_n_locked(lcb, fcs, 1));
}
static void
fellow_cache_seg_unbusy(struct fellow_busy *fbo, struct fellow_cache_seg *fcs){
const enum fcos_state from = FCS_BUSY, to = FCS_WRITING;
...
...
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