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[t:4286], check in some comments

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git-svn-id: file:///svn/toku/tokudb@37941 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Zardosht Kasheff 2013-04-17 00:00:00 -04:00 • committed by Yoni Fogel
parent 3475a4979f
commit e0104c7f67
2 changed files with 20 additions and 19 deletions
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19
newbrt/cachetable.c
View file

@ -1864,7 +1864,7 @@ int toku_cachetable_put_with_dep_pairs(
CACHETABLE_PARTIAL_EVICTION_EST_CALLBACK pe_est_callback,
CACHETABLE_PARTIAL_EVICTION_CALLBACK pe_callback,
CACHETABLE_CLEANER_CALLBACK cleaner_callback,
void *write_extraargs,
void *write_extraargs, // parameter for flush_callback, pe_est_callback, pe_callback, and cleaner_callback
void *get_key_and_fullhash_extra,
u_int32_t num_dependent_pairs, // number of dependent pairs that we may need to checkpoint
CACHEFILE* dependent_cfs, // array of cachefiles of dependent pairs
@ -1937,7 +1937,8 @@ int toku_cachetable_put(CACHEFILE cachefile, CACHEKEY key, u_int32_t fullhash, v
CACHETABLE_PARTIAL_EVICTION_EST_CALLBACK pe_est_callback,
CACHETABLE_PARTIAL_EVICTION_CALLBACK pe_callback,
CACHETABLE_CLEANER_CALLBACK cleaner_callback,
void *write_extraargs) {
void *write_extraargs // parameter for flush_callback, pe_est_callback, pe_callback, and cleaner_callback
) {
WHEN_TRACE_CT(printf("%s:%d CT cachetable_put(%lld)=%p\n", __FILE__, __LINE__, key, value));
CACHETABLE ct = cachefile->cachetable;
cachetable_lock(ct);
@ -2069,8 +2070,8 @@ int toku_cachetable_get_and_pin (
CACHETABLE_PARTIAL_FETCH_REQUIRED_CALLBACK pf_req_callback,
CACHETABLE_PARTIAL_FETCH_CALLBACK pf_callback,
CACHETABLE_CLEANER_CALLBACK cleaner_callback,
void* read_extraargs,
void* write_extraargs
void* read_extraargs, // parameter for fetch_callback, pf_req_callback, and pf_callback
void* write_extraargs // parameter for flush_callback, pe_est_callback, pe_callback, and cleaner_callback
)
{
return toku_cachetable_get_and_pin_with_dep_pairs (
@ -2110,8 +2111,8 @@ int toku_cachetable_get_and_pin_with_dep_pairs (
CACHETABLE_PARTIAL_FETCH_REQUIRED_CALLBACK pf_req_callback,
CACHETABLE_PARTIAL_FETCH_CALLBACK pf_callback,
CACHETABLE_CLEANER_CALLBACK cleaner_callback,
void* read_extraargs,
void* write_extraargs,
void* read_extraargs, // parameter for fetch_callback, pf_req_callback, and pf_callback
void* write_extraargs, // parameter for flush_callback, pe_est_callback, pe_callback, and cleaner_callback
u_int32_t num_dependent_pairs, // number of dependent pairs that we may need to checkpoint
CACHEFILE* dependent_cfs, // array of cachefiles of dependent pairs
CACHEKEY* dependent_keys, // array of cachekeys of dependent pairs
@ -2395,7 +2396,7 @@ int toku_cachetable_get_and_pin_nonblocking (
CACHETABLE_PARTIAL_FETCH_CALLBACK pf_callback,
CACHETABLE_CLEANER_CALLBACK cleaner_callback,
void *read_extraargs,
void* write_extraargs,
void* write_extraargs, // parameter for flush_callback, pe_est_callback, pe_callback, and cleaner_callback
UNLOCKERS unlockers
)
// Effect: If the block is in the cachetable, then pin it and return it.
@ -2413,7 +2414,7 @@ int toku_cachetable_get_and_pin_nonblocking (
//
// In Dr. No, the ydb lock ensures that only one client may be successfully
// doing a query on a dictionary table at any given time. This function
// doing a query on a dictionary at any given time. This function
// is called with the ydb lock held. So, if there is a write lock grabbed
// on the PAIR that we want to lock, then some expensive operation
// MUST be happening (read from disk, write to disk, flush, etc...),
@ -2539,7 +2540,7 @@ int toku_cachefile_prefetch(CACHEFILE cf, CACHEKEY key, u_int32_t fullhash,
CACHETABLE_PARTIAL_FETCH_CALLBACK pf_callback,
CACHETABLE_CLEANER_CALLBACK cleaner_callback,
void *read_extraargs,
void *write_extraargs,
void *write_extraargs, // parameter for flush_callback, pe_est_callback, pe_callback, and cleaner_callback
BOOL *doing_prefetch)
// Effect: See the documentation for this function in cachetable.h
{

20
newbrt/cachetable.h
View file

@ -225,7 +225,7 @@ int toku_cachetable_put_with_dep_pairs(
CACHETABLE_PARTIAL_EVICTION_EST_CALLBACK pe_est_callback,
CACHETABLE_PARTIAL_EVICTION_CALLBACK pe_callback,
CACHETABLE_CLEANER_CALLBACK cleaner_callback,
void *write_extraargs,
void *write_extraargs, // parameter for flush_callback, pe_est_callback, pe_callback, and cleaner_callback
void *get_key_and_fullhash_extra,
u_int32_t num_dependent_pairs, // number of dependent pairs that we may need to checkpoint
CACHEFILE* dependent_cfs, // array of cachefiles of dependent pairs
@ -249,7 +249,7 @@ int toku_cachetable_put(CACHEFILE cf, CACHEKEY key, u_int32_t fullhash,
CACHETABLE_PARTIAL_EVICTION_EST_CALLBACK pe_est_callback,
CACHETABLE_PARTIAL_EVICTION_CALLBACK pe_callback,
CACHETABLE_CLEANER_CALLBACK cleaner_callback,
void *write_extraargs
void *write_extraargs // parameter for flush_callback, pe_est_callback, pe_callback, and cleaner_callback
);
@ -276,8 +276,8 @@ int toku_cachetable_get_and_pin_with_dep_pairs (
CACHETABLE_PARTIAL_FETCH_REQUIRED_CALLBACK pf_req_callback,
CACHETABLE_PARTIAL_FETCH_CALLBACK pf_callback,
CACHETABLE_CLEANER_CALLBACK cleaner_callback,
void* read_extraargs,
void* write_extraargs,
void* read_extraargs, // parameter for fetch_callback, pf_req_callback, and pf_callback
void* write_extraargs, // parameter for flush_callback, pe_est_callback, pe_callback, and cleaner_callback
u_int32_t num_dependent_pairs, // number of dependent pairs that we may need to checkpoint
CACHEFILE* dependent_cfs, // array of cachefiles of dependent pairs
CACHEKEY* dependent_keys, // array of cachekeys of dependent pairs
@ -304,8 +304,8 @@ int toku_cachetable_get_and_pin (
CACHETABLE_PARTIAL_FETCH_REQUIRED_CALLBACK pf_req_callback __attribute__((unused)),
CACHETABLE_PARTIAL_FETCH_CALLBACK pf_callback __attribute__((unused)),
CACHETABLE_CLEANER_CALLBACK cleaner_callback,
void* read_extraargs,
void* write_extraargs
void* read_extraargs, // parameter for fetch_callback, pf_req_callback, and pf_callback
void* write_extraargs // parameter for flush_callback, pe_est_callback, pe_callback, and cleaner_callback
);
struct unlockers {
@ -331,8 +331,8 @@ int toku_cachetable_get_and_pin_nonblocking (
CACHETABLE_PARTIAL_FETCH_REQUIRED_CALLBACK pf_req_callback __attribute__((unused)),
CACHETABLE_PARTIAL_FETCH_CALLBACK pf_callback __attribute__((unused)),
CACHETABLE_CLEANER_CALLBACK cleaner_callback,
void *read_extraargs,
void* write_extraargs,
void *read_extraargs, // parameter for fetch_callback, pf_req_callback, and pf_callback
void* write_extraargs, // parameter for flush_callback, pe_est_callback, pe_callback, and cleaner_callback
UNLOCKERS unlockers
);
@ -378,8 +378,8 @@ int toku_cachefile_prefetch(CACHEFILE cf, CACHEKEY key, u_int32_t fullhash,
CACHETABLE_PARTIAL_FETCH_REQUIRED_CALLBACK pf_req_callback,
CACHETABLE_PARTIAL_FETCH_CALLBACK pf_callback,
CACHETABLE_CLEANER_CALLBACK cleaner_callback,
void *read_extraargs,
void *write_extraargs,
void *read_extraargs, // parameter for fetch_callback, pf_req_callback, and pf_callback
void *write_extraargs, // parameter for flush_callback, pe_est_callback, pe_callback, and cleaner_callback
BOOL *doing_prefetch);
// Effect: Prefetch a memory object for a given key into the cachetable
// Precondition: The cachetable mutex is NOT held.