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| author | Don Anderson <dda@ddanderson.com> | 2015-06-11 09:48:33 -0400 |
|---|---|---|
| committer | Don Anderson <dda@ddanderson.com> | 2015-06-11 09:48:33 -0400 |
| commit | 3b61a14eba5733a25a750ffce0066470b813f208 (patch) | |
| tree | 0ceac3d51f0fe28f7f91dbe31cefc82722363048 /src/session | |
| parent | 668b82032e04e642e811806b66b2c8a9ee65585f (diff) | |
| download | mongo-3b61a14eba5733a25a750ffce0066470b813f208.tar.gz | |
WT-147. An alternate approach to re-locking a btree that is already locked,
using session flags. This does not yet work (fails some tests).
Diffstat (limited to 'src/session')
| -rw-r--r-- | src/session/session_dhandle.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/session/session_dhandle.c b/src/session/session_dhandle.c index 720f40e8d11..7814bffbd9e 100644 --- a/src/session/session_dhandle.c +++ b/src/session/session_dhandle.c @@ -8,6 +8,8 @@ #include "wt_internal.h" +static int __session_dhandle_find( + WT_SESSION_IMPL *, const char *, const char *); static int __session_dhandle_sweep(WT_SESSION_IMPL *); /* @@ -195,6 +197,10 @@ __wt_session_release_btree(WT_SESSION_IMPL *session) ret = __wt_conn_btree_sync_and_close(session, 0, 0); F_CLR(dhandle, WT_DHANDLE_DISCARD); } + if (F_ISSET(session, WT_SESSION_LOCKED_BTREE)) { + session->dhandle = NULL; + return (0); + } if (write_locked) F_CLR(dhandle, WT_DHANDLE_EXCLUSIVE); @@ -202,7 +208,6 @@ __wt_session_release_btree(WT_SESSION_IMPL *session) WT_TRET(write_locked ? __wt_writeunlock(session, dhandle->rwlock): __wt_readunlock(session, dhandle->rwlock)); - session->dhandle = NULL; return (ret); } @@ -244,7 +249,11 @@ retry: WT_RET(__wt_meta_checkpoint_last_name( session, cval.str, cval.len, &checkpoint)); } - ret = __wt_session_get_btree(session, uri, checkpoint, cfg, flags); + if (F_ISSET(session, WT_SESSION_LOCKED_BTREE)) + ret = __session_dhandle_find(session, uri, checkpoint); + else + ret = __wt_session_get_btree(session, uri, checkpoint, cfg, + flags); __wt_free(session, checkpoint); /* |