[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v4 06/13] tools/xenstore: add current connection to domain_memory_add() parameters
In order to enable switching memory accounting to the generic array based accounting, add the current connection to the parameters of domain_memory_add(). This requires to add the connection to some other functions, too. Signed-off-by: Juergen Gross <jgross@xxxxxxxx> --- tools/xenstore/xenstored_core.c | 28 ++++++++++++++++------------ tools/xenstore/xenstored_domain.c | 3 ++- tools/xenstore/xenstored_domain.h | 14 +++++++++----- tools/xenstore/xenstored_watch.c | 11 ++++++----- 4 files changed, 33 insertions(+), 23 deletions(-) diff --git a/tools/xenstore/xenstored_core.c b/tools/xenstore/xenstored_core.c index 92a40ccf3f..88ae674523 100644 --- a/tools/xenstore/xenstored_core.c +++ b/tools/xenstore/xenstored_core.c @@ -246,7 +246,8 @@ static void free_buffered_data(struct buffered_data *out, } } - domain_memory_add_nochk(conn->id, -out->hdr.msg.len - sizeof(out->hdr)); + domain_memory_add_nochk(conn, conn->id, + -out->hdr.msg.len - sizeof(out->hdr)); if (out->hdr.msg.type == XS_WATCH_EVENT) { req = out->pend.req; @@ -631,24 +632,25 @@ int do_tdb_write(struct connection *conn, TDB_DATA *key, TDB_DATA *data, * nodes to new owners. */ if (old_acc.memory) - domain_memory_add_nochk(old_domid, + domain_memory_add_nochk(conn, old_domid, -old_acc.memory - key->dsize); - ret = domain_memory_add(new_domid, data->dsize + key->dsize, - no_quota_check); + ret = domain_memory_add(conn, new_domid, + data->dsize + key->dsize, no_quota_check); if (ret) { /* Error path, so no quota check. */ if (old_acc.memory) - domain_memory_add_nochk(old_domid, + domain_memory_add_nochk(conn, old_domid, old_acc.memory + key->dsize); return ret; } /* TDB should set errno, but doesn't even set ecode AFAICT. */ if (tdb_store(tdb_ctx, *key, *data, TDB_REPLACE) != 0) { - domain_memory_add_nochk(new_domid, -data->dsize - key->dsize); + domain_memory_add_nochk(conn, new_domid, + -data->dsize - key->dsize); /* Error path, so no quota check. */ if (old_acc.memory) - domain_memory_add_nochk(old_domid, + domain_memory_add_nochk(conn, old_domid, old_acc.memory + key->dsize); errno = EIO; return errno; @@ -683,7 +685,7 @@ int do_tdb_delete(struct connection *conn, TDB_DATA *key, if (acc->memory) { domid = get_acc_domid(conn, key, acc->domid); - domain_memory_add_nochk(domid, -acc->memory - key->dsize); + domain_memory_add_nochk(conn, domid, -acc->memory - key->dsize); } return 0; @@ -1055,11 +1057,13 @@ void send_reply(struct connection *conn, enum xsd_sockmsg_type type, if (len <= DEFAULT_BUFFER_SIZE) { bdata->buffer = bdata->default_buffer; /* Don't check quota, path might be used for returning error. */ - domain_memory_add_nochk(conn->id, len + sizeof(bdata->hdr)); + domain_memory_add_nochk(conn, conn->id, + len + sizeof(bdata->hdr)); } else { bdata->buffer = talloc_array(bdata, char, len); if (!bdata->buffer || - domain_memory_add_chk(conn->id, len + sizeof(bdata->hdr))) { + domain_memory_add_chk(conn, conn->id, + len + sizeof(bdata->hdr))) { send_error(conn, ENOMEM); return; } @@ -1122,7 +1126,7 @@ void send_event(struct buffered_data *req, struct connection *conn, } } - if (domain_memory_add_chk(conn->id, len + sizeof(bdata->hdr))) { + if (domain_memory_add_chk(conn, conn->id, len + sizeof(bdata->hdr))) { talloc_free(bdata); return; } @@ -3322,7 +3326,7 @@ static void add_buffered_data(struct buffered_data *bdata, * be smaller. So ignore it. The limit will be applied for any resource * after the state has been fully restored. */ - domain_memory_add_nochk(conn->id, len + sizeof(bdata->hdr)); + domain_memory_add_nochk(conn, conn->id, len + sizeof(bdata->hdr)); } void read_state_buffered_data(const void *ctx, struct connection *conn, diff --git a/tools/xenstore/xenstored_domain.c b/tools/xenstore/xenstored_domain.c index 144cbafb73..f94812610a 100644 --- a/tools/xenstore/xenstored_domain.c +++ b/tools/xenstore/xenstored_domain.c @@ -1235,7 +1235,8 @@ static bool domain_chk_quota(struct domain *domain, int mem) return false; } -int domain_memory_add(unsigned int domid, int mem, bool no_quota_check) +int domain_memory_add(struct connection *conn, unsigned int domid, int mem, + bool no_quota_check) { struct domain *domain; diff --git a/tools/xenstore/xenstored_domain.h b/tools/xenstore/xenstored_domain.h index e669f57b80..5cfd730cf6 100644 --- a/tools/xenstore/xenstored_domain.h +++ b/tools/xenstore/xenstored_domain.h @@ -80,25 +80,29 @@ int domain_nbentry_inc(struct connection *conn, unsigned int domid); int domain_nbentry_dec(struct connection *conn, unsigned int domid); int domain_nbentry_fix(unsigned int domid, int num, bool update); unsigned int domain_nbentry(struct connection *conn); -int domain_memory_add(unsigned int domid, int mem, bool no_quota_check); +int domain_memory_add(struct connection *conn, unsigned int domid, int mem, + bool no_quota_check); /* * domain_memory_add_chk(): to be used when memory quota should be checked. * Not to be used when specifying a negative mem value, as lowering the used * memory should always be allowed. */ -static inline int domain_memory_add_chk(unsigned int domid, int mem) +static inline int domain_memory_add_chk(struct connection *conn, + unsigned int domid, int mem) { - return domain_memory_add(domid, mem, false); + return domain_memory_add(conn, domid, mem, false); } + /* * domain_memory_add_nochk(): to be used when memory quota should not be * checked, e.g. when lowering memory usage, or in an error case for undoing * a previous memory adjustment. */ -static inline void domain_memory_add_nochk(unsigned int domid, int mem) +static inline void domain_memory_add_nochk(struct connection *conn, + unsigned int domid, int mem) { - domain_memory_add(domid, mem, true); + domain_memory_add(conn, domid, mem, true); } void domain_watch_inc(struct connection *conn); void domain_watch_dec(struct connection *conn); diff --git a/tools/xenstore/xenstored_watch.c b/tools/xenstore/xenstored_watch.c index 8ad0229df6..e30cd89be3 100644 --- a/tools/xenstore/xenstored_watch.c +++ b/tools/xenstore/xenstored_watch.c @@ -199,7 +199,7 @@ static struct watch *add_watch(struct connection *conn, char *path, char *token, watch->token = talloc_strdup(watch, token); if (!watch->node || !watch->token) goto nomem; - if (domain_memory_add(conn->id, strlen(path) + strlen(token), + if (domain_memory_add(conn, conn->id, strlen(path) + strlen(token), no_quota_check)) goto nomem; @@ -274,8 +274,9 @@ int do_unwatch(const void *ctx, struct connection *conn, list_for_each_entry(watch, &conn->watches, list) { if (streq(watch->node, node) && streq(watch->token, vec[1])) { list_del(&watch->list); - domain_memory_add_nochk(conn->id, -strlen(watch->node) - - strlen(watch->token)); + domain_memory_add_nochk(conn, conn->id, + -strlen(watch->node) - + strlen(watch->token)); talloc_free(watch); domain_watch_dec(conn); send_ack(conn, XS_UNWATCH); @@ -291,8 +292,8 @@ void conn_delete_all_watches(struct connection *conn) while ((watch = list_top(&conn->watches, struct watch, list))) { list_del(&watch->list); - domain_memory_add_nochk(conn->id, -strlen(watch->node) - - strlen(watch->token)); + domain_memory_add_nochk(conn, conn->id, -strlen(watch->node) - + strlen(watch->token)); talloc_free(watch); domain_watch_dec(conn); } -- 2.35.3
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