diff options
Diffstat (limited to 'src/include/serial.i')
| -rw-r--r-- | src/include/serial.i | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/src/include/serial.i b/src/include/serial.i index 982f196b0b8..bd0e498f621 100644 --- a/src/include/serial.i +++ b/src/include/serial.i @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2014-2016 MongoDB, Inc. + * Copyright (c) 2014-2017 MongoDB, Inc. * Copyright (c) 2008-2014 WiredTiger, Inc. * All rights reserved. * @@ -154,7 +154,7 @@ __col_append_serial_func(WT_SESSION_IMPL *session, WT_INSERT_HEAD *ins_head, static inline int __wt_col_append_serial(WT_SESSION_IMPL *session, WT_PAGE *page, WT_INSERT_HEAD *ins_head, WT_INSERT ***ins_stack, WT_INSERT **new_insp, - size_t new_ins_size, uint64_t *recnop, u_int skipdepth) + size_t new_ins_size, uint64_t *recnop, u_int skipdepth, bool exclusive) { WT_INSERT *new_ins = *new_insp; WT_DECL_RET; @@ -165,11 +165,16 @@ __wt_col_append_serial(WT_SESSION_IMPL *session, WT_PAGE *page, /* Clear references to memory we now own and must free on error. */ *new_insp = NULL; - /* Acquire the page's spinlock, call the worker function. */ - WT_PAGE_LOCK(session, page); + /* + * Acquire the page's spinlock unless we already have exclusive access. + * Then call the worker function. + */ + if (!exclusive) + WT_PAGE_LOCK(session, page); ret = __col_append_serial_func( session, ins_head, ins_stack, new_ins, recnop, skipdepth); - WT_PAGE_UNLOCK(session, page); + if (!exclusive) + WT_PAGE_UNLOCK(session, page); if (ret != 0) { /* Free unused memory on error. */ @@ -198,7 +203,7 @@ __wt_col_append_serial(WT_SESSION_IMPL *session, WT_PAGE *page, static inline int __wt_insert_serial(WT_SESSION_IMPL *session, WT_PAGE *page, WT_INSERT_HEAD *ins_head, WT_INSERT ***ins_stack, WT_INSERT **new_insp, - size_t new_ins_size, u_int skipdepth) + size_t new_ins_size, u_int skipdepth, bool exclusive) { WT_INSERT *new_ins = *new_insp; WT_DECL_RET; @@ -220,10 +225,12 @@ __wt_insert_serial(WT_SESSION_IMPL *session, WT_PAGE *page, ret = __insert_simple_func( session, ins_stack, new_ins, skipdepth); else { - WT_PAGE_LOCK(session, page); + if (!exclusive) + WT_PAGE_LOCK(session, page); ret = __insert_serial_func( session, ins_head, ins_stack, new_ins, skipdepth); - WT_PAGE_UNLOCK(session, page); + if (!exclusive) + WT_PAGE_UNLOCK(session, page); } if (ret != 0) { @@ -252,7 +259,8 @@ __wt_insert_serial(WT_SESSION_IMPL *session, WT_PAGE *page, */ static inline int __wt_update_serial(WT_SESSION_IMPL *session, WT_PAGE *page, - WT_UPDATE **srch_upd, WT_UPDATE **updp, size_t upd_size) + WT_UPDATE **srch_upd, WT_UPDATE **updp, size_t upd_size, + bool exclusive) { WT_DECL_RET; WT_UPDATE *obsolete, *upd = *updp; @@ -295,7 +303,7 @@ __wt_update_serial(WT_SESSION_IMPL *session, WT_PAGE *page, /* * If there are no subsequent WT_UPDATE structures we are done here. */ - if (upd->next == NULL) + if (upd->next == NULL || exclusive) return (0); /* @@ -316,11 +324,11 @@ __wt_update_serial(WT_SESSION_IMPL *session, WT_PAGE *page, } /* If we can't lock it, don't scan, that's okay. */ - if (__wt_try_writelock(session, &page->page_lock) != 0) + if (WT_PAGE_TRYLOCK(session, page) != 0) return (0); obsolete = __wt_update_obsolete_check(session, page, upd->next); - __wt_writeunlock(session, &page->page_lock); + WT_PAGE_UNLOCK(session, page); if (obsolete != NULL) __wt_update_obsolete_free(session, page, obsolete); |