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author | Volker Lendecke <vl@samba.org> | 2012-03-27 14:31:04 +0200 |
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committer | Volker Lendecke <vl@samba.org> | 2012-04-17 10:21:00 +0200 |
commit | 94cf5cc284ba908675ed5fd573dd101d7b9bad02 (patch) | |
tree | fa3cbe066f5400c31cfa13ea149e13bada59fbdc /source3/lib/dbwrap/dbwrap_file.c | |
parent | bd9178506ed8796a0aa7e4e757f2adc20dcae4f8 (diff) | |
download | samba-94cf5cc284ba908675ed5fd573dd101d7b9bad02.tar.gz samba-94cf5cc284ba908675ed5fd573dd101d7b9bad02.tar.bz2 samba-94cf5cc284ba908675ed5fd573dd101d7b9bad02.zip |
s3: Add dbwrap_try_fetch_locked
This is designed to spread the load on individual ctdb records to allow upper
layers to do backoff mechanisms. In the ctdb case, do not get the record if a
local lock is already taken. If we are not dmaster, do at most one migrate
attempt.
For the tdb case, this is a nonblocking fetch_locked. If someone else has the
lock, give up.
Diffstat (limited to 'source3/lib/dbwrap/dbwrap_file.c')
-rw-r--r-- | source3/lib/dbwrap/dbwrap_file.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/source3/lib/dbwrap/dbwrap_file.c b/source3/lib/dbwrap/dbwrap_file.c index a8a31e3750..ebe768528b 100644 --- a/source3/lib/dbwrap/dbwrap_file.c +++ b/source3/lib/dbwrap/dbwrap_file.c @@ -367,6 +367,7 @@ struct db_context *db_open_file(TALLOC_CTX *mem_ctx, result->private_data = ctx; result->fetch_locked = db_file_fetch_locked; + result->try_fetch_locked = NULL; result->traverse = db_file_traverse; result->traverse_read = db_file_traverse; result->persistent = ((tdb_flags & TDB_CLEAR_IF_FIRST) == 0); |